Energia eolikoa

Procédé d’assemblage d’une cellule instrumentée de batterie et cellule de batterie associée

Resumen de: FR3165355A1

L'invention concerne un procédé d’assemblage d’une cellule instrumentée (100) de batterie, caractérisée en ce qu’elle comprend : une étape de préparation d’un couvercle (12) d’un boitier (10) de la cellule (100) dans laquelle le couvercle (12) est configuré pour être traversé de manière étanche par des moyens de liaisons électriques (21) reliés à des instruments (20) ; une étape d’instrumentation d’au moins un empilement (13) d’électrodes, du type comprenant un empilement d’électrodes positives et d’électrodes négatives séparées par un séparateur, l’étape d’instrumentation comprenant l’installation desdits instruments (20) sur l’au moins un empilement d’électrodes pour obtenir au moins un empilement (13) d’électrodes instrumenté et l’installation des moyens de liaisons électriques (21) connectés aux instruments (20) à travers le couvercle (12); une étape d’insertion d’un ou plusieurs empilement(s) (13) d’électrodes comprenant au moins le ou les empilement(s) d’électrodes instrumenté(s) à l’intérieur d’un godet (11) du boitier (10) de la cellule ; et une étape de fixation du couvercle (12) au godet (11) pour former le boitier (10) étanche de la cellule instrumentée (100). (Fig. 6)

Cellule électrochimique et module de batterie comprenant de telles cellules électrochimiques

Resumen de: FR3165360A1

Cellule électrochimique et module de batterie comprenant de telles cellules électrochimiques L'invention concerne une cellule électrochimique (12) comprenant : - un empilement d'électrodes (18), - deux bornes (14A) connectées électriquement à l’empilement d'électrodes (18), chacune des deux bornes (14A) comprenant une face interne (48A) et une face externe (50A), et - deux isolateurs externes (20A), chacun des deux isolateurs externes (20A) comprenant une première face (52A) et une seconde face (54A), la première face (52A) des deux isolateurs (20A) faisant respectivement face à la face interne (48A) des deux bornes (14A). La cellule électrochimique (12) comprend en outre deux entretoises (22A) respectivement disposées entre la première face (52A) des deux isolateurs externes (20A) et la face interne (48A) des deux bornes (14A), chacune des deux entretoises (22A) étant constituée d'un premier matériau dont la température de fusion est supérieure à 800 °C. Figure : Figure 2

Elément électrochimique Lithium-ion de puissance et de chargeabilité élevées

Resumen de: FR3165356A1

Elément électrochimique Lithium-ion de puissance et de chargeabilité élevées La présente invention concerne un élément électrochimique comprenant : - une électrode négative comprenant une couche active négative comprenant, à titre de matière active, au moins un composite silicium-carbone, la couche active négative présentant une porosité allant de 35% à 50%, - une électrode positive comprenant une couche active positive comprenant, à titre de matière active : a) au moins un composé phosphate lithié de manganèse et de fer de formule (I) : LixMn1-y-zFeyMzPO4 (I), dans laquelle : M est choisi dans le groupe consistant en B, Mg, Al, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb, S, W, K, Pb, V, Mo, Hf, Bi, Se et l’un quelconque de leurs mélanges, 0,8 ≤ x ≤ 1,2 ; 0,5 ≤ 1-y-z < 1 ; 0 < y ≤ 0,5 ; 0 ≤ z ≤ 0,2 ; b) au moins un composé de type oxyde lamellaire de formule (II) : Liw(NixMnyCozM’t)O2(II), dans laquelle : M’ est choisi dans le groupe consistant en Al, B, Mg, Si, Ca, Ti, V, Cr, Fe, Cu, Zn, Y, Zr, Nb, W, Mo, S, Sr, Ce, Ta, Ga, Nd, Pr, La et l’un quelconque de leurs mélanges ; 0,9 ≤ w ≤1,4 ; 0 < x ; 0 ≤ y ; 0 ≤ z ; 0 ≤ t. Figure pour l'abrégé : Aucune

Elément électrochimique Li-ion présentant une stabilité en puissance et une densité d’énergie élevées

Resumen de: FR3165354A1

Elément électrochimique Li-ion présentant une stabilité en puissance et une densité d’énergie élevées La présente invention concerne un élément électrochimique comprenant : - une électrode négative comprenant au moins des particules comprenant du silicium ; et - une électrode positive comprenant, comme matière active : i) au moins un composé LixMn1-y-zFeyMzPO4(I), dans lequel M est choisi parmi (B,Mg,Al,Si,Ca,Ti,V,Cr,Co,Ni,Cu,Zn,Y,Zr,Nb,S,K,Pb,V,Mo,W,Hf,Bi,Se et leurs mélanges) ; avec 0,8≤x≤1,2 ; 0,5≤1-y-z<1 ; 0

VERRES TERNAIRES DE BORATE DE MANGANESE SODIES, LEUR PROCEDE D’OBTENTION, ET LEURS UTILISATIONS EN TANT QUE MATERIAUX ACTIFS D’ELECTRODES POSITIVES

Resumen de: FR3165257A1

La présente invention concerne des verres ternaires de borate de manganèse sodiés, ainsi que leur procédé d’obtention. L’invention vise également la préparation et l’utilisation desdits verres en tant que matériaux actifs d’électrodes positives, en particulier d’accumulateurs métal-ion, ainsi que lesdits matériaux actifs et électrodes per se. (pas de figure)

PROCEDE DE CONTROLE D’UN SYSTEME DE STOCKAGE D’ENERGIE

Resumen de: FR3165215A1

La présente invention a pour objet un procédé de contrôle d’un système de stockage d’énergie comportant les étapes suivantes de la mesure (E01) de paramètres électriques de l’élément électrochimique, la mise en œuvre d’un compteur de dégradation (E02) actualisé périodiquement en fonction d’un incrément de dégradation déterminé à partir d’au moins une table prédéterminée délivrant une valeur de dégradation en fonction de profils de paramètres électriques mesurés à chaque actualisation du compteur, la détermination (E03) d’un coefficient de limitation du paramètre de contrôle en fonction de la valeur du compteur de dégradation pour commander une limitation (E04) de la plage d’utilisation du paramètre de contrôle. L’invention trouve une application dans le domaine des véhicules électrifiés. Figure 3.

CELLULE ELECTROCHIMIQUE POUR UNE BATTERIE COMPORTANT UN PREMIER SOUS-ENSEMBLE ELECTROCHIMIQUE ET UN DEUXIEME SOUS ENSEMBLE FORMANT CONDENSATEUR

Resumen de: FR3165358A1

L’invention concerne une cellule électrochimique pour une batterie d’un véhicule automobile électrique ou hybride, ladite électrode négative comportant un collecteur de courant négatif comprenant au moins une feuille négative, ladite électrode positive comportant un collecteur de courant positif comprenant au moins une feuille positive, ladite cellule électrochimique comportant au moins un séparateurs, le séparateur étant positionné entre la feuille négative et la feuille positive, ladite cellule électrochimique comportant une pluralité de couches de matière active imbibée d’électrolyte, caractérisé en ce que ladite cellule électrochimique comporte un premier sous-ensemble (100) dans lequel la feuille négative et la feuille positive comportent l’une des couches d’électrolyte, la couche d’électrolyte étant en contact avec ledit séparateur, ladite cellule électrochimique comportant un deuxième sous-ensemble (200) dans lequel la feuille négative et la feuille positive sont en contact avec le séparateurs, ledit deuxième sous-ensemble (200) formant condensateur. Figure 1

ENSEMBLE D’EXTINCTION D’UN INCENDIE DESTINE A UN BAC DE BATTERIE D’UN VEHICULE AUTOMOBILE ELECTRIQUE OU HYBRIDE

Resumen de: FR3165185A1

L’invention concerne un ensemble d’extinction d’un incendie destiné à un bac de batterie d’un véhicule automobile électrique ou hybride comportant au moins un conduit (2) configuré pour transporter un fluide, ledit conduit étant configuré pour être joint au bac de batterie de façon que ledit fluide puisse pénétrer dans ledit bac de batterie ou être évacué dudit bac de batterie , ledit ensemble comportant un premier support (3), un deuxième support (4) et un longeron (5), ledit longeron (5) présentant un creux longitudinal, ledit conduit (2) étant positionné dans ledit creux longitudinal, ledit conduit (2) présentant une longueur déterminée, ledit longeron (5) s’étendant sur toute la longueur dudit conduit (2), ledit longeron (5) comportant un premier rebord (5a) et un deuxième rebord (5b), ledit premier rebord (5a) étant fixé au premier support (3), ledit deuxième rebord (5b) étant fixé au deuxième support (4). Figure 1

Analyse de dispositifs de stockage électrochimique d’énergie

Resumen de: FR3165324A1

Analyse de dispositifs de stockage électrochimique d’énergie La présente description concerne un circuit électronique (101) comprenant : des premier (103A) et deuxième (103B) éléments de connexion destinés à être connectés, respectivement, à des première (105A) et deuxième (105B) bornes de conduction d’un dispositif de stockage électrochimique d’énergie (107) ; des troisième (113A) et quatrième (113B) éléments de connexion destinés à être reliés à un spectromètre à résonance magnétique nucléaire (305) ; et un circuit d’adaptation et de réglage radiofréquence (119) reliant les troisième (113A) et quatrième (113B) éléments de connexion aux premier (103A) et deuxième (103B) éléments de connexion. Figure pour l’abrégé : Fig. 1

UTILISATION DE VERRES BINAIRES DE BORATE DE MANGANESE EN TANT QUE MATERIAUX ACTIFS D’ELECTRODES POSITIVES

Resumen de: FR3165256A1

La présente invention concerne l’utilisation de verres binaires de borate de manganèse en tant que matériaux actifs d’électrodes positives, en particulier d’accumulateurs métal-ion, ainsi que lesdits matériaux actifs et électrodes per se. (pas de figure)

VERRES TERNAIRES DE SILICATE DE NICKEL DE LITHIUM, LEUR PROCEDE D’OBTENTION, ET LEURS UTILISATIONS

Resumen de: FR3165258A1

La présente invention concerne des verres ternaires de silicate de nickel de lithium, ainsi que leur procédé d’obtention. L’invention vise également la préparation et l’utilisation desdits verres en tant que matériaux actifs d’électrodes positives, en particulier d’accumulateurs métal-ion, ainsi que lesdits matériaux actifs et électrodes per se. (pas de figure)

Plaque support pour organes de stockage électrochimique dans un boîtier de batterie

Resumen de: FR3165353A1

Plaque support pour organes de stockage électrochimique dans un boîtier de batterie L’invention concerne une plaque support (2) pour organes (3) de stockage électrochimique, la plaque support (2) comportant en son sein un circuit de refroidissement configuré pour être parcouru par un liquide caloporteur, les organes (3) de stockage électrochimique comportant chacun une face supérieure (31) destinée à être reliée à des liaisons électriques et une face inférieure (33) comportant un élément de rupture, la face inférieure (33) étant située dans une partie inférieure de l’organe (3) de stockage électrochimique,la plaque support (2) étant caractérisée en ce qu’elle comporte des logements (20) chacun apte à loger la partie inférieure d’un des organes (3) de stockage électrochimique et chacun comportant un trou (22) traversant la plaque support (2) et disposé dans un fond du logement (20). (Figure 1)

Système et procédé de contrôle non-destructif du vieillissement d’un accumulateur en fonctionnement

Resumen de: FR3165316A1

Système et procédé de contrôle non-destructif du vieillissement d’un accumulateur en fonctionnement La présente invention concerne un système de contrôle in operando et non-destructif (10) du vieillissement d’au moins un élément électrochimique d’un accumulateur, le système de contrôle in operando et non-destructif (10) comprenant : - une cavité (30), - une source (24) configurée pour émettre des ondes électromagnétiques en bande L à destination de la cavité (30), la cavité (30) comprenant un résonateur (38) de forme cylindrique à base circulaire présentant au moins une découpe (46, 48) longitudinale, - un détecteur (28) propre à détecter les ondes provenant de la cavité (30), et - un calculateur (34) propre à analyser les ondes détectées par le détecteur (28) pour obtenir au moins une information relative au vieillissement de l’au moins un élément électrochimique. Figure pour l'abrégé : figure 1

SYSTEME DE SURVEILLANCE DE L’ETAT DE FONCTIONNEMENT D’UN DISPOSITIF DE REFROIDISSEMENT DU FLUIDE CALOPORTEUR D’UN CIRCUIT DE REFROIDISSEMENT

Resumen de: FR3165208A1

L’invention concerne un système de surveillance de l’état de fonctionnement d’un dispositif de refroidissement du fluide caloporteur d’un circuit de refroidissement d’un véhicule automobile électrique, hybride ou à pile à combustible, ledit véhicule comportant une vanne (V) étant apte à présenter une première position et une deuxième position ; ladite vanne passant de la première position à la deuxième position lorsque la température de la batterie mesurée par ladite sonde thermique est supérieure à une température seuil prédéterminée, ledit superviseur étant configuré pour comparer les valeurs de température issues du premier capteur de température et du troisième capteur de température pour surveiller l’état de fonctionnement dudit dispositif de refroidissement. L’invention concerne également un procédé de surveillance de l’état de fonctionnement d’un dispositif de refroidissement du fluide caloporteur d’un circuit de refroidissement d’un véhicule automobile électrique, hybride ou à pile à combustible. Figure 1

AKTIVES MATERIAL DER POSITIVEN ELEKTRODE, VERFAHREN ZUR HERSTELLUNG EINES AKTIVEN MATERIALS DER POSITIVEN ELEKTRODE UND BATTERIE

Resumen de: DE102025123710A1

Die Erfindung betrifft ein aktives Material der positiven Elektrode, ein Herstellungsverfahren für ein aktives Material der positiven Elektrode und eine Batterie. Das aktive Material der positiven Elektrode der vorliegenden Erfindung umfasst ein Na-haltiges Oxid. Das Na-haltige Oxid hat eine Struktur vom P2-Typ. Das Na-haltige Oxid umfasst als Bestandteile mindestens: Na; Ca; mindestens ein Übergangsmetallelement aus Mn, Ni und Co; und O.

Verfahren zum Bestimmen mindestens einer Betriebsstrategie eines Hybridfahrzeugs, Computerprogrammprodukt zum Durchführen eines solchen Verfahrens sowie Hybridfahrzeug, welches mit einem solchen Verfahren betreibbar ist

Resumen de: DE102025124105A1

Die vorliegende Erfindung betrifft ein Verfahren zum Bestimmen mindestens einer Betriebsstrategie eines Hybridfahrzeugs (101, 102), wobei das Verfahren die folgenden Schritte aufweist:- Bereitstellen eines neuronalen Netzes (32), auf welchem ein Nominal-Alterungsprozess (SN) für eine Eingangsbetriebsstrategie der Baugruppe (18) und eine Anzahl von Hilfsalterungsprozessen (SH) hinterlegt sind, wobei der Nominal-Alterungsprozess (SN) und die Hilfsalterungsprozesse (SH) bis zu einem gewählten Betriebsendpunkt (E) oder einem gewählten späteren Betriebsendpunkt (Es) verlaufen,- Betreiben des Hybridfahrzeugs (101, 102) und Bestimmen einer Zustandsgröße (Zn) des Hybridfahrzeugs (101, 102), mit welcher der Ist-Alterungsprozess der Baugruppe (18) bestimmbar ist, an einem Betriebsmesspunkt der Baugruppe (18) mittels einer Überprüfungseinrichtung (26),- Zuführen der bestimmten Zustandsgröße (Zn) und des Betriebsmesspunkts zum neuronalen Netz (32), und- Prüfen unter Verwendung des neuronalen Netzes (32), ob der Ist-Alterungsprozess vom Nominal-Alterungsprozess (SN) abweicht, und wenn ja,- Bestimmen einer Adaptionsbetriebsstrategie unter Verwendung des neuronalen Netzes (32), und- Betreiben der Baugruppe (18) des Hybridfahrzeugs (101, 102) mit der Adaptionsbetriebsstrategie.

Separator mit reduzierter Kompressibilität

Resumen de: DE102024121982A1

Gezeigt wird ein Verfahren zur Herstellung eines Separators für ein elektrochemisches Element, umfassend die folgenden Schritte: Bereitstellen einer wässrigen Suspension umfassend fibrillierbare Fasern regenerierter Cellulose, Fibrillieren der fibrillierbaren Fasern regenerierter Cellulose in der wässrigen Suspension durch Mahlen auf einen Mahlgrad nach Schopper-Riegler von mindestens 75°SR und höchstens 95°SR, Fließen der wässrigen Suspension aus dem Stoffauflauf auf ein umlaufendes Sieb einer Langsiebpapiermaschine, um eine Faserbahn zu bilden, wobei die Umlaufgeschwindigkeit, mit der das Sieb umläuft, und eine Geschwindigkeit, mit der die wässrige Suspension aus dem Stoffauflauf fließt, derart aufeinander abgestimmt sind, dass die Umlaufgeschwindigkeit des Siebs mindestens 0,0% und höchstens 4,0% höher ist als die genannte Geschwindigkeit, mit der die wässrige Suspension aus dem Stoffauflauf fließt, Kalandrieren der Faserbahn, wobei mindestens 80% der Masse des Separators durch fibrillierte Fasern regenerierter Cellulose gebildet werden, und der Separator eine Faserstruktur aufweist, die dem Separator eine plastische Kompressibilität von weniger als 12% verleiht.

BATTERIEZELLE SOWIE SYSTEM UND VERFAHREN ZU DEREN ANALYSE

Resumen de: DE102024127897A1

Eine Batteriezelle umfasst ein Gehäuse, das einen Batteriezellenraum innerhalb des Gehäuses definiert, eine Kathode, die innerhalb des Batteriezellenraums angeordnet ist, eine Anode, die innerhalb des Batteriezellenraums angeordnet ist, eine Referenzelektrode, die innerhalb des Batteriezellenraums angeordnet ist, und einen Elektrolyten, der innerhalb des Batteriezellenraums angeordnet ist und in Kontakt mit der Kathode, der Anode und der Referenzelektrode steht. Das Gehäuse hat einen Gasanalyseanschluss, der in Fluidverbindung mit dem Batteriezellenraum steht und sich zur Außenseite des Gehäuses erstreckt.

CROSSLINKED SOLID ELECTROLYTE AND ELECTRODE FOR A SOLID-STATE BATTERY, AND A METHOD FOR PRODUCING THE SAME

Resumen de: WO2026027740A1

The technology of the present disclosure generally relates to the field of power storage devices, and more specifically to a solid electrolyte, an electrode, a solid-state battery, and a method for producing the same. An aspect of the present disclosure relates to a process for producing a solid electrolyte, comprising the steps of: - contacting, in the presence of a catalyst: - a polymer precursor compound comprising polyethylene glycol (PEG) and/or polytetrahydrofuran (PTHF), wherein the polymer precursor compound comprises on average per polymer precursor molecule, -at least 2.0 alkoxysilyl functional groups, with a functionality of at least 2.0, preferably at least 2.5, preferably at least 3.0; and/or -at least 1.0 alkoxysilyl functional groups, with a functionality of at least 3.0; - optionally, an organo-tri-alkoxy silane, an organo-tetra-alkoxy silane, and/or a mixture thereof comprising a metal ion (M+) chelating moiety being a cyanurate, a crown ether, an aza-crown ether, a thia-crown ether, a cryptand, a carbamate, a cyano group, a thiocyanate group, or a metallacrown,, - a metal (M+) salt, preferably does the metal salt comprises Li+, Na+, Mg+, Ca+, Al+, and/or a combination thereof, preferably lithium (Li+); - a solvent, preferably an organic solvent; and, - optionally, an ionically conductive compound; thereby obtaining a solid electrolyte; - optionally, drying the obtained solid electrolyte.

SYSTEM AND METHOD FOR THE NON-DESTRUCTIVE TESTING OF THE AGING OF A BATTERY IN OPERATION

Resumen de: WO2026027601A1

The present invention relates to an in-operando and non-destructive testing system (10) for testing the aging of at least one electrochemical element of a battery, the in-operando and non-destructive testing system (10) comprising: - a cavity (30); - a source (24) configured to emit L-band electromagnetic waves toward the cavity (30), the cavity (30) comprising a cylindrical resonator (38) with a circular base and having at least one longitudinal cut-out (46, 48); - a detector (28) capable of detecting the waves originating from the cavity (30); and - a processor (34) capable of analyzing the waves detected by the detector (28) in order to obtain at least one item of information relating to the aging of the at least one electrochemical element.

LITHIUM-ION ELECTROCHEMICAL ELEMENT HAVING HIGH POWER STABILITY AND HIGH ENERGY DENSITY

Resumen de: WO2026027595A1

The present invention relates to an electrochemical element comprising: a negative electrode comprising at least particles comprising silicon; and a positive electrode comprising, as active material: i) at least one compound LixMn1.y.zFeyMzPO4 (I), wherein M is selected from among (B, Mg, AI, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb, S, K, Pb, V, Mo, W, Hf, Bi, Se and mixtures thereof); with 0.8 ≤ x ≤ 1.2; 0.5 ≤ 1-y-z < 1; 0 < y ≤ 0.5; 0 ≤ z ≤ 0.2; ii) at least one compound Liw(NixMnyCozM't)O; (II), wherein M' is selected from among (AI, B, Mg, Si, Ca, Ti, V, Cr, Fe, Cu, Zn, Y, Zr, Nb, W, Mo, S, Sr, Ce, Ta, Ga, Nd, Pr, La and mixtures thereof); with 0.9 ≤ w ≤ 1.1; 0 < x; 0 ≤ y; 0 ≤ z; 0 ≤ t; wherein: a) the ratio (% Si/A) is such that: 0.7 ≤ (% Si/A) ≤ 4.0, (A) being the product of the content by weight of compound (I) in the positive active layer, expressed relative to the total weight of compounds (I) and (II), and the molar content of iron (%Fe) in compound (I), expressed relative to the molar content of iron and manganese in compound (I); and (%Si) being the content by weight of silicon in the active material of the negative active layer, expressed relative to the total weight of the active material of the negative active layer; and ≤ b) the ratio (N/P) between the first-charge capacity of the negative electrode and the first-charge capacity of the positive electrode is such that: 1.1 ≤ (N/P) ≤ 1.7.

SUPPORT PLATE FOR ELECTROCHEMICAL STORAGE UNITS IN A BATTERY CASING

Resumen de: WO2026027084A1

The invention relates to a support plate (2) for electrochemical storage units (3), the support plate (2) comprising in its interior a cooling circuit configured to be flowed through by a heat-transfer liquid, the electrochemical storage units (3) each having an upper face (31) intended to be connected to electrical connections and a lower face (33) which has a rupture element, the lower face (33) being located in a lower portion of the electrochemical storage unit (3), the support plate (2) being characterized in that it has recesses (20) each suitable for accommodating the lower portion of one of the electrochemical storage units (3) and each having a hole (22) passing through the support plate (2) and arranged in a bottom of the recess (20).

REMOVAL DEVICE FOR A CELL STACK, AND USES OF SAID REMOVAL DEVICE

Resumen de: WO2026027078A1

In order to improve testing of cell stacks in the production of electrical energy stores, the invention provides a removal device (18) for removing a cell stack (16) held in a gripper (12), comprising: a first and a second plate-type element (32.1, 32.2) which are arranged opposite one another; and a coupling system (34) which releasably couples the first and second plate-type elements (32.1, 32.2) to one another in such a way that a distance between the first and second plate-type elements (32.1, 32.2) is adjustable and/or variable, wherein the plate-type elements (32.1, 32.2) are configured to receive the cell stack (16) between them and the coupling system (34) is configured to adjust the distance between the plate-type elements (32.1, 32.2) in such a way that the cell stack (16) is clamped between the plate-type elements (32.1, 32.2).

MODULAR ENERGY STORAGE SYSTEM

Resumen de: WO2026027305A1

The invention relates to a modular energy storage system (100) for mounting on a support rail, comprising: at least one frame module (110) which can be mounted on the support rail; and at least one energy storage module (111) having one or more battery cells (531), which energy storage module can be plugged into the at least one frame module (110) so as to produce an electrical connection; wherein the at least one frame module (110) has an electrical contact element (120) for producing a plug-in electrical connection to a structurally identical contact element (120) of a further frame module (110), wherein the electrical contact element (120) has a female contact portion (121) and a male contact portion (122), which extend along a longitudinal direction (125) of the contact element (120), and a third contact portion (123), which is oriented transversely to the longitudinal direction (125) and is designed to produce a plug-in electrical connection to the energy storage module (111) in order to charge or to discharge the one or more battery cells (531).

AEROSOL GENERATING SYSTEMS

Resumen de: WO2026027286A1

A battery component (120) for an aerosol generating device, the battery component (120) having a longitudinal axis (34) and comprising: a chassis (24, 24a, 24b, 24c) configured to house a battery (22), control circuitry (26), and at least one surface-mount device, SMD, component (28) electrically connected to the control circuitry, wherein the chassis (24, 24a, 24b, 24c) comprises a structural support, said structural support comprising a through hole in which the at least one SMD component (28) is located. Also described are aerosol generating systems 10 including the battery component (120).

THERMAL BARRIER SHEET

Resumen de: WO2026027992A1

A thermal barrier component (1, T) for battery packs having a plurality of battery cells (2, 2'), the thermal barrier component (1, T) comprises a sheet (3) of thermally insulating material and/or thermally resistant material; the sheet (3) comprises a first cover section (4) dimensioned to cover a first side surface of the battery cell (2, 2'), a second cover section (5) dimensioned to cover a second side surface of the battery cell (2, 2'), a first fold line (51) connecting the first cover section (4) and the second cover section (5), and a first interlocking section (6) connected by a second fold line (61) to the second cover section (5) of the sheet (3) opposite the first fold line (51), wherein the first cover section (4, 4') comprises an interlocking opening (42, 42') corresponding to the dimensions of the first interlocking section (6); wherein the sheet (3) is foldable along the first fold line (51) and the second fold line (61) such that in a folded and mounted state the sheet (3) is placed around the battery cell to cover the first side surface and the second side surface of the battery cell, and wherein the first interlocking section (6) of the thermal barrier component (1) fits into the corresponding opening (42') in the first cover section (4') of a neighbouring thermal barrier component (T) folded around a neighbouring battery cell (2').

METHOD AND DEVICE FOR CHECKING THE QUALITY OF AN ELECTROCHEMICAL CELL

Resumen de: WO2026027190A1

The invention proposes a method for checking the quality of an electrochemical cell (1), having the following method steps: A) providing an electrochemical cell (2); B) positioning the cell (2) between at least two fixing elements (3, 4), the cell preferably being compressed and at least one of the fixing elements (3, 4) being movably mounted; C) making electrical contact with the cell (2) in order to initiate an electrical charging or discharging process of the cell (2); D) measuring at least one position and/or change in position of the movably mounted fixing element (3, 4) based on a change in cell volume during the charging or discharging process; E) determining a cell quality based on the measured position or change in position.

KÜHLSYSTEM

Resumen de: DE102025127703A1

Problem In einem Kühlsystem, das eine Batterie oder dergleichen in einem Fahrzeug durch Zirkulieren eines CO2enthaltenden Kältemittels kühlt, um die Kühlleistung für die Batterie sicherzustellen und gleichzeitig eine Verringerung der Effizienz des gesamten Systems zu begrenzen.Mittel zur Lösung Ein Kühlsystem 100 umfasst einen Verdichter 1, der ein Kältemittel komprimiert, einen Wärmetauscher 2, der das Kältemittel aus dem Verdichter 1 kühlt, Wärmetauscher 5a, 6a, die das vom Wärmetauscher 2 gekühlte Kältemittel verwenden, einen Kältemittelkanal 17, der das Kältemittel vom Wärmetauscher 2 an eine Batterie 6 und an den Verdichter 1 zuzuführen und dieses Kältemittel dem Verdichter 1 zuzuführen weiß, und ein Expansionsventil E2, das am Kältemittelkanal 17 stromaufwärts der Batterie 6 vorgesehen ist, und eine Steuerungsvorrichtung 80 hält einen Öffnungsgrad des Expansionsventils E2 konstant, wenn die Batterietemperatur innerhalb eines ersten Bereichs R1 liegt, und stellt den Öffnungsgrad des Expansionsventils E2 auf einen Öffnungsgrad ein, der größer ist als der erste Bereich R1, und erhöht den Öffnungsgrad des Expansionsventils E2, wenn die Batterietemperatur steigt, wenn die Batterietemperatur innerhalb eines zweiten Bereichs R2 auf der Hochtemperaturseite liegt.

Elektrolyt-Additiv für Lithium-Metall-Batterien (LMBs) mit Einkristall-Kathode

Resumen de: DE102024127066A1

Ein Elektrolyt für eine Batteriezelle, eine Batteriezelle, die den Elektrolyt enthält, und ein Verfahren zum Herstellen eines Elektrolyten. Der Elektrolyt enthält ein nichtwässriges organisches Lösungsmittel, das ein oder mehrere Lösungsmittel enthält, die aus der Gruppe ausgewählt sind, die aus einem zyklischen Carbonat, einem linearen Carbonat, einem aliphatischen Carbonsäureester, einem linearen Kettenester und einem zyklischen Ester besteht. Der Elektrolyt umfasst auch ein Lithiumsalz, wobei das Lithiumsalz in dem nichtwässrigen organischen Lösungsmittel im Bereich von 1 M bis 4 M vorhanden ist. Der Elektrolyt umfasst ferner ein Additiv auf Boratbasis, wobei das Additiv auf Boratbasis im Bereich von 0,25 Gew.-% bis 5 Gew.-% des Gesamtgewichts des Elektrolyten vorhanden ist.

Batterie, Kraftfahrzeug und Verfahren zum Ableiten von aus einer Batteriezelle austretendem Gas

Resumen de: DE102024122238A1

Die Erfindung betrifft eine Batterie (10) für ein Kraftfahrzeug mit einem Gehäusebauteil (12), einer im Gehäusebauteil (12) angeordneten Öffnung (14), einem Verschlusselement (16), das die Öffnung (14) verschließt, und mit einem mit einem Aktivierungsstrom (I) beaufschlagbares Heizelement (19, 20), das an oder im Verschlusselement (16) angeordnet ist und dazu ausgelegt ist, bei Beaufschlagung mit dem Aktivierungsstrom (I), das Verschlusselement (16) durch Hitzeeinwirkung zumindest zum Teil zu öffnen. Dabei ist das Verschlusselement (16) zusätzlich dazu ausgelegt, durch eine von einem aus einer Batteriezelle (18) austretenden Gas verursachte Druckbeaufschlagung (25) und/oder Temperaturbeaufschlagung (25) passiv zu öffnen.

WÄRMEISOLATIONSBARRIERE

Resumen de: DE102025123105A1

Die vorliegende Offenbarung sieht eine Wärmeisolationsbarriere (202) für eine Batteriezelle (102) vor. Die Batteriezelle (102) weist eine obere Platte (108) mit einer Entlüftungsöffnung (110) auf. Die Wärmeisolationsbarriere (202) weist eine Wärmeisolationsschicht (204) mit einem Klebstoff (208) auf einer Seite für ein Verkleben der Wärmeisolationsschicht mit der oberen Platte (108) auf. Die Wärmeisolationsschicht weist auch eine Klappe (212) auf, die mit der Entlüftungsöffnung in der oberen Platte ausgerichtet ist. Der Klebstoff erstreckt sich um einen Umfang der Klappe. Die Wärmeisolationsschicht weist einen klebstofffreien Bereich (214) auf, der mit der Klappe ausgerichtet ist.

System zum Laden und Entladen einer Fahrzeugbatterie basierend auf einem Ladezustand

Resumen de: DE102024127119A1

Ein System zum Laden und Entladen einer Fahrzeugbatterie in einem Fahrzeug. Das Fahrzeug kann mindestens einen Anteil der Antriebskraft von einem Verbrennungsmotor (ICE, internal combustion engine) empfangen, der mit einem Generator verbunden ist, oder alternativ empfängt das Fahrzeug die gesamte Antriebskraft von einem oder mehreren Elektromotoren, die von einem Antriebsbatteriepack versorgt werden, das mit einem Hilfsstrommodul (APM, auxiliary power module) in elektrischer Kommunikation steht. Das System lädt und entlädt die Fahrzeugbatterie basierend auf einem Vergleich zwischen dem Ladezustand der Fahrzeugbatterie und dem Ziel-Ladezustandsbereich der Fahrzeugbatterie. Durch das Laden und Entladen der Fahrzeugbatterie wird ein Gleichgewicht zwischen einer Ladekapazität und einer Entladekapazität der Fahrzeugbatterie erzeugt.

BATTERIEZELLEN UND VERFAHREN ZUR HERSTELLUNG VON BATTERIEZELLEN

Resumen de: DE102024127502A1

Eine Batteriezelle umfasst eine erste Elektrode, eine zweite Elektrode und einen Separator, der zwischen der ersten und zweiten Elektrode angeordnet ist. Die erste Elektrode hat einen ersten elektrodenbeschichteten aktiven Bereich und eine erste Elektrodenlasche, die angrenzend an den ersten elektrodenbeschichteten aktiven Bereich angeordnet ist und sich über diesen hinaus erstreckt. Die zweite Elektrode hat einen zweiten elektrodenbeschichteten aktiven Bereich und eine zweite Elektrodenlasche, die angrenzend an den zweiten elektrodenbeschichteten aktiven Bereich angeordnet ist und sich über diesen hinaus erstreckt. Ein isolierender Laminatfilm bedeckt zumindest teilweise die erste Elektrodenlasche und koppelt die erste und die zweite Elektrode um den Separator herum miteinander.

KÜHLSYSTEM

Resumen de: DE102025127702A1

Problem In einem Kühlsystem, das die Kühlung im Inneren eines Fahrzeugs durch Zirkulieren eines CO2enthaltenden Kältemittels durchführt, um eine Batterie unter Verwendung des Kältemittels ordnungsgemäß und effizient zu kühlen.Mittel zur Lösung Ein Kühlsystem 100 umfasst einen Verdichter 1, der ein Kältemittel verdichtet, einen Wärmetauscher 2, der das Kältemittel aus dem Verdichter 1 kühlt, Wärmetauscher 5a, 6a, die das durch den Wärmetauscher 2 gekühlte Kältemittel verwenden, einen Kältemittelkanal 17, der das Kältemittel aus den Wärmetauschern 5a, 6a zu einer Batterie 6 zuführt, einen Kältemittelkanal 14, der das vom Wärmetauscher 2 gekühlte Kältemittel an den Kältemittelkanal 17 zuführt, ohne das Kältemittel durch die Wärmetauscher 5a, 6a zu leiten, ein an de, Kältemittelkanal 17 vorgesehenes Expansionsventil E2 und ein an dem Kältemittelkanal 14 vorgesehenes Durchflussregelventil V3, und eine Steuerungsvorrichtung 80 erhöht den Öffnungsgrad des Durchflussregelventils V3, wenn die spezifische Enthalpie des der Batterie 6 zugeführten Kältemittels einen vorbestimmten Bereich überschreitet, und verringert den Öffnungsgrad des Durchflussregelventils V3, wenn die spezifische Enthalpie unter dem vorbestimmten Bereich liegt.

Anordnung aus einem Temperiermedienverteiler und einem ersten Adapter und Montageverfahren

Resumen de: DE102024207356A1

Die Erfindung betriff eine Anordnung (100, 100', 300') aus einem Temperiermedienverteiler (101) und einem an einem Verteiler-Adapteranschluss (103) des Temperiermedienverteilers (101) befestigten ersten Adapter (104, 104'), der aus einem Satz von unterschiedlichen Adaptern ausgewählt ist, wobei der Temperiermedienverteiler (101) dazu eingerichtet ist, an dem Verteiler-Adapteranschluss (103) einen Temperiermedienvolumenstrom eines Temperiermediums auszugeben oder zu empfangen, wobei jeder Adapter (104, 104') des Satzes von unterschiedlichen Adaptern einen gleichen Adapter-Verteileranschluss (105) aufweist, der dazu eingerichtet ist, mit dem Verteiler-Adapteranschluss (103) fluiddicht zusammenzupassen, und wobei jeder Adapter (104, 104') des Satzes von unterschiedlichen Adaptern einen unterschiedlichen Adapter-Komponentenanschluss aufweist, der dazu eingerichtet ist, mit einem Komponenten-Adapteranschluss einer vorbestimmten Hydraulikkomponente (107, 107') fluiddicht zusammenzupassen.

Anordnung zur Abführung elektrischer Verlustwärme eines elektrischen Leistungsbauteils

Resumen de: DE102024121939A1

Eine Anordnung zur Abführung elektrischer Verlustwärme eines elektrischen Leistungsbauteils, mit einem elektrischen Leistungsbauteil, das mit einem isolierenden Gehäuse versehen und über dieses an einen Kühlkanal thermisch angekoppelt ist, ist erfindungsgemäß dadurch gekennzeichnet, dass die thermische Ankopplung mittels eines Wärmespreizungselements erfolgt, welches einerseits flächig an einer Hauptfläche des Gehäuses anliegt und andererseits unmittelbar an dem Kühlkanal befestigt ist.

METHOD AND SYSTEM FOR DETERMINING A CHARACTERISTIC VALUE OF A STORAGE UNIT FOR ELECTRICAL ENERGY

Resumen de: WO2026027169A1

A method for determining a characteristic value of a storage unit for electrical energy comprises the following steps: detecting distance sensor data by means of at least one distance sensor, wherein the distance sensor data is based on at least one distance measurement between the distance sensor and the storage unit for electrical energy, and determining the characteristic value of the storage unit for electrical energy on the basis of the distance sensor data and using a neural network.

Vorrichtung und Verfahren zum Erfassen eines Berstverhaltens einer Batteriezelle

Resumen de: DE102024207379A1

Die vorgestellte Erfindung betrifft eine Vorrichtung (100) zum Erfassen eines Berstverhaltens einer Batteriezelle (101), wobei die Vorrichtung (100) umfasst:- einen Indentor (103),- eine Anzahl Sensoren (105),wobei der Indentor (103) eine Kontaktfläche (107) umfasst, die dazu konfiguriert ist, die Batteriezelle (101) in einem Kontaktbereich (109) bis zum Bersten zu verformen,wobei die Anzahl Sensoren (105) dazu konfiguriert ist, das Berstverhalten der Batteriezelle (101) in dem Kontaktbereich (109) zu erfassen.

A SECONDARY BATTERY AND ITS MANUFACTURING METHOD THEREOF

Resumen de: WO2026025362A1

The present application relates to A secondary battery comprising a negative electrode current collector, wherein the negative electrode current collector comprises a substrate and a coating layer located on at least one surface of the substrate; wherein a nucleation overpotential of an alkali metal on the coating layer is denoted as V1, a nucleation overpotential of the alkali metal on the substrate is denoted as V2, and V1>V2. In an anode-free lithium metal battery comprising the negative electrode current collector as a negative electrode current collector, Li deposition between the coating layer and the substrate is induced, uniform Li deposition is promoted, dendrite formation is suppressed, and side reactions caused by SEI rupture are reduced, unnecessary consumption of active ions is minimized, which contributes positively to the enhancement of battery cycle life.

GRAPHITE COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE, BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026025882A1

A graphite composite material and a preparation method therefor, a negative electrode, a battery and an electric device. The graphite composite material comprises a graphite substrate and a boronate-ester-based polymer that coats the surface of the graphite substrate.

LIQUID COOLING PLATE AND BATTERY

Resumen de: WO2026025873A1

The present application provides a liquid cooling plate and a battery. The liquid cooling plate is used for exchanging heat with a battery cell in the battery. The liquid cooling plate comprises: a flow channel plate provided with a first channel; and a sealing plate that is connected to the flow channel plate and has a first surface and a second surface, wherein the first surface faces the flow channel plate, the first surface covers the first channel to form a flow channel for circulation of a heat exchange medium, and the second surface faces away from the flow channel plate and faces the battery cell. The second surface is provided with second channels, the positions of the second channels are staggered from the position of the first channel, and the second channels are designed as pressure relief spaces or pressure relief channels and configured to correspond to the position of an explosion-proof valve of the battery cell. By means of the technical solution of the present application, the discharge from the explosion-proof valve can be cooled without affecting the effective operation of the liquid cooling plate and the explosion-proof valve, thereby enhancing the safety; moreover, the liquid cooling plate and the explosion-proof valve can be arranged on the same surface of the battery cell, thereby saving space. The internal structure of the battery is compact, which is conducive to meeting the miniaturization development requirements of batteries.

POWER SUPPLY DEVICE

Resumen de: WO2026028571A1

The present invention improves reliability by making it possible to firmly couple a plurality of circuit boards while achieving a structure to/from which the circuit boards can be attached/detached, and stabilize excellent vibration resistance and the long-term electric connection of the circuit boards. This power supply device has a structure in which: a board unit 3 comprising a plurality of circuit boards 8 connected to a battery unit 2 is coupled, in an attachable/detachable manner, by electrically connecting a plurality of vertical circuit boards 8V to a horizontal circuit board 8H via an attaching/detaching coupling part 9; the attaching/detaching coupling part 9 is formed from an L-shaped bus bar 9C constituted by an L-shaped metal plate, and an attachable/detachable setscrew 12; and a circuit board 8 can be replaced while electrically connecting the vertical circuit boards 8V and the horizontal circuit board 8H via the L-shaped bus bar 9C by coupling a bent piece 10 of the L-shaped bus bar 9C to the vertical circuit boards 8V via the setscrew 12, which can be attached/detached to/from the horizontal circuit board 8H.

METHOD FOR RECOVERING VALUABLE ELEMENT

Resumen de: WO2026028576A1

Provided is a method for recovering a valuable element in which an oxide containing manganese and at least one element selected from the group consisting of nickel and cobalt is reduced using a reducing gas under heating, the reducing gas containing a hydrogen-containing gas containing a hydrogen element. This allows Ni and Co to be recovered preferentially over Mn. The hydrogen-containing gas is preferably at least one selected from the group consisting of a hydrocarbon gas, an ammonia gas, and a hydrogen gas, and more preferably a hydrogen gas.

STICKING DIAGNOSIS METHOD AND STICKING DIAGNOSIS DEVICE

Resumen de: WO2026028447A1

This sticking diagnosis method includes: a selection step of selecting, as a diagnostic relay, one relay among a plurality of negative electrode relays N1-Nn and a plurality of charging relays C1-Cn included in a plurality of battery pack circuits M1-Mn; a step of charging a capacitor C in a state where the one diagnostic relay is turned on for each start of a vehicle and the charging relays C1-Cn or the negative electrode relays N1-Nn paired with the one diagnostic relay are turned on; and a step of diagnosing off-fixing of the charging relays C1-Cn and the negative electrode relays N1-Nn according to the charged state of the capacitor C.

STICKING DIAGNOSIS METHOD AND STICKING DIAGNOSIS DEVICE

Resumen de: WO2026028446A1

The present invention relates to a sticking diagnosis method for a relay included in a power supply circuit. The power supply circuit includes: a battery pack parallel circuit in which a plurality of battery pack circuits M1-Mn are connected in parallel; a capacitor 3 connected in parallel to the battery pack parallel circuit; and battery packs B1-Bn electrically connected to the battery pack circuits M1-Mn and the capacitor 3. The sticking diagnosis method includes: a step of charging a capacitor 3, in a state where charging relays C1-Cn and negative electrode relays N1-Nn are ON, for each of a plurality of connection lines (C, N lines) respectively included in a plurality of battery pack circuits M1-Mn; and a step of diagnosing OFF sticking of the charging relays C1-Cn and the negative electrode relays N1-Nn according to the charging state of the capacitor 3.

BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026025864A1

The present application relates to the technical field of batteries, and provides a battery and an electric device. The battery comprises a case, solid-state battery cells, and an insulating liquid. An assembly space is formed inside the case. The solid-state battery cells are arranged in the assembly space; each solid-state battery cell comprises a first electrode sheet, a solid-state electrolyte layer and a second electrode sheet; the first electrode sheet and the second electrode sheet have opposite polarities; and the solid-state electrolyte layer is arranged between the first electrode sheet and the second electrode sheet so as to separate the first electrode sheet from the second electrode sheet. The insulating liquid is accommodated in the assembly space, and the solid-state battery cells are immersed in the insulating liquid. The battery of this structure can improve the effect of applying pressure on the solid-state battery cells, so that a reduction in the contact area or a poor contact effect between the first electrode sheets and the solid-state electrolyte layers and between the second electrode sheets and the solid-state electrolyte layers of the solid-state battery cells can be effectively mitigated during use, thereby mitigating conductivity differences and fluctuations at different positions within the solid-state battery cells.

BATTERY CELL, END COVER ASSEMBLY, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026025854A1

A battery cell, an end cover assembly, a battery, and an electric device. The battery cell comprises a casing, an electrode assembly, and a pressure relief mechanism. The casing comprises a wall portion. The electrode assembly is provided in the casing. The pressure relief mechanism is provided on the wall portion. The pressure relief mechanism comprises a body, a pressure relief portion, and reinforcing portions. The body is connected to the wall portion, and the pressure relief portion is provided on the body and is configured to release the internal pressure of the battery cell. The reinforcing portions are provided on both sides of the body in a first direction, and the reinforcing portions are spaced apart from the pressure relief portion, thereby facilitating improvement of the reliability of the battery cell.

BATTERY CELL, BATTERY DEVICE AND ELECTRIC DEVICE

Resumen de: WO2026025399A1

The present application relates to a battery cell, a battery device and an electric device. The battery cell comprises a casing assembly and an electrode assembly, wherein the casing assembly comprises a casing and a first electrode terminal arranged on the casing; the electrode assembly is accommodated in the casing and comprises a first electrode sheet and a second electrode sheet; the first electrode sheet and the second electrode sheet each comprise a coated portion and a tab, the coated portion comprises an active material layer, and the tab is not provided with an active material layer; one of the first electrode sheet and the second electrode sheet is a positive electrode sheet, and the other is a negative electrode sheet; the active material layer in the positive electrode sheet comprises a positive electrode active material, which comprises lithium-containing phosphate of an olivine structure; and the tab in the first electrode sheet is configured to electrically connect the first electrode terminal to the coated portion in the first electrode sheet, and the area of the projected surface of the first electrode terminal in its own direction of thickness ranges from 200 mm2 to 600 mm2. The present application can effectively improve the cycle performance and usage reliability of the battery cell under the condition of fast charging.

ELECTRIC VEHICLE CONTROL METHOD AND ELECTRIC VEHICLE CONTROL SYSTEM

Resumen de: WO2026028251A1

Provided is an electric vehicle control method in which, when a driving torque is applied to one of two motors by means of a driving voltage command value for driving a first inverter being calculated on the basis of a driving torque command value and being output to the first inverter, in the case that a first braking torque is generated in the other motor of the two motors, a battery is charged with regenerative power generated by the first braking torque, wherein: when the regenerative power is greater than an allowable charging power, which is the maximum power that can be used to charge the battery, an IH frequency for induction heating a stator core of the one motor of the two motors is set, and a heating voltage command value for supplying a differential power to the one motor of the two motors is calculated, said differential power obtained by subtracting the allowable charging power from the regenerative power; a combined voltage command value is calculated by combining the driving voltage command value and the heating voltage command value; and the voltage command value output to the first inverter is changed from the driving voltage command value to the combined voltage command value.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: WO2026025884A1

The present application provides a battery cell, a battery, and an electrical device. The battery cell comprises a housing, an electrode assembly, and a patch assembly. The housing has a cavity and comprises a first wall. A protrusion is disposed on the side of the first wall facing away from the cavity, and the protrusion and the first wall together enclose an accommodation recess. The electrode assembly is disposed in the cavity. The patch assembly is disposed on the side of the first wall facing away from the cavity, and at least the patch assembly is at least partially disposed in the accommodation recess. According to the battery cell provided in an embodiment of the present application, by configuring the patch assembly to be at least partially disposed in the accommodation recess, the distance between the patch assembly and the first wall can be reduced, shortening the effective insulating path between the patch assembly and the first wall and thereby reducing the risk of insulation failure of the battery cell.

SYSTEM AND METHOD FOR IMPLEMENTATION OF AN ANALOG FRONT END (AFE) FRAMEWORK

Resumen de: WO2026027934A1

Disclosed herein a system (200) and a method (800) for obtaining one or more parameters associated with one or more battery packs (212) by an Analog Front End (AFE) framework (302). The method (800) includes receiving, a request to obtain the one or more parameters associated with the one or more battery packs (212). The method (800) further includes correlating one or more pre-stored AFE libraries (306) with at least one AFE (210) in communication with the one or more battery packs (212). The method (800) also includes determining a pre-stored AFE library among the one or more pre-stored AFE libraries (306) corresponding to the at least one AFE (210) based on the correlation. The method (800) further includes obtaining the one or more parameters from the one or more battery packs (212) based on the determined pre-stored AFE library.

BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026025391A1

The present application relates to a battery cell, a battery device, and an electric device. The battery cell comprises an electrode assembly, the electrode assembly comprises a first electrode sheet, a second electrode sheet, and a separator, the separator is disposed between the first electrode sheet and the second electrode sheet, and the polarity of the first electrode sheet is opposite to that of the second electrode sheet; the first electrode sheet comprises a first current collecting portion and a first film layer disposed on at least one side of the first current collecting portion and comprising a first active material; the second electrode sheet comprises a second current collecting portion and a second film layer disposed on at least one side of the second current collecting portion and comprising a second active material; one of the first active material and the second active material comprises a lithium-containing phosphate having an olivine structure, and the other comprises a carbon-based material; and the first current collecting portion comprises a first support layer and a first metal layer disposed on at least one side of the first support layer, the first film layer is disposed on the first metal layer, and the first support layer comprises an organic material. According to the present application, the energy density of a battery cell can be improved.

BATTERY CELL, BATTERY DEVICE AND ELECTRIC DEVICE

Resumen de: WO2026025393A1

The present application relates to a battery cell, a battery device and an electric device. The battery cell comprises an electrode assembly; the electrode assembly comprises a positive electrode sheet and a negative electrode sheet; the positive electrode sheet comprises a positive electrode current collecting portion and a positive electrode film layer; the positive electrode film layer comprises a positive electrode active material; the positive electrode active material comprises a lithium-containing phosphate having an olivine structure; the negative electrode sheet comprises a negative electrode current collecting portion and a negative electrode film layer; a negative electrode tab is connected to at least one side of the negative electrode current collecting portion in a first direction; the negative electrode film layer comprises two end portions which are opposite to each other in the first direction; a first region comprises one of the two end portions facing the negative electrode tab; the ratio of the size of the first region in the first direction to the size of the negative electrode film layer in the first direction is 0.05 to 0.20; a negative electrode active material in the first region comprises artificial graphite and natural graphite; and the first direction is perpendicular to the thickness direction. The present application can improve the cycle performance and use reliability of the battery cell.

BATTERY APPARATUS AND ELECTRIC APPARATUS

Resumen de: WO2026025387A1

The present application relates to the technical field of batteries, and discloses a battery apparatus and an electric apparatus. The battery apparatus has high reliability. The battery apparatus comprises a battery cell assembly and a thermal management component, and the battery cell assembly comprises a plurality of battery cells arranged in a first direction. The thermal management component is arranged on one side of the battery cell assembly in a second direction and is used for adjusting the temperature of the battery cells, and the second direction intersects the first direction. The heat exchange efficiency between the thermal management component and the battery cell located at an end portion of at least one of the two ends of the battery cell assembly in the first direction is less than the heat exchange efficiency between the thermal management component and any battery cell located between the two ends of the battery cell assembly in the first direction.

Vorrichtung und Verfahren zur Inspektion von Lagenstapeln

Resumen de: DE102024121962A1

Eine Vorrichtung zur Inspektion von Lagenstapeln umfasst eine erste Fördervorrichtung, die dazu eingerichtet ist, zumindest einen ersten Lagenstapel und einen zweiten Lagenstapel aufzunehmen und in einer Förderrichtung zu bewegen, sowie eine zweite Fördervorrichtung, die dazu eingerichtet ist, zumindest den zweiten Lagenstapel von der ersten Fördervorrichtung aufzunehmen und in einer Richtung quer zur Förderrichtung zu bewegen. Eine Inspektionsvorrichtung mit einer bildgebenden Sensorvorrichtung ist dazu eingerichtet, zumindest einen Teil des ersten Lagenstapels zu erfassen, während dieser durch die erste Fördervorrichtung aufgenommen ist, und gleichzeitig zumindest einen Teil des zweiten Lagenstapels zu erfassen, während dieser durch die zweite Fördervorrichtung aufgenommen ist.

BATTERIEMODUL MIT EINER FLAMM- UND WÄRMEAUSBREITUNG-VERHINDERUNGSSTRUKTUR UND BATTERIEPACKSYSTEM, DAS DIESE AUFWEIST

Resumen de: DE102024138542A1

Ein Batteriemodul (100) weist auf: eine Zellenanordung, in dem mehrere Batteriezellen (110), die elektrische Energie speichern, überlappend gestapelt sind, ein Paar von Sensorplatinen (150), die jeweilig mit entgegengesetzten Flächen der Zellenanordung gekuppelt sind, wobei jede der Batteriezellen (110) einen Zellenanschluss (112) an zumindest einer der entgegengesetzten Seiten aufweist und jede der entgegengesetzten Flächen mit den Zellenanschlüssen (112) versehen ist, zumindest zwei Endplatten (140), die einen Teil der äußeren Flächen der Zellenanordung abdecken und schützen, eine Krümmungsentlüftungsanordnung (200), das die oberen Enden der Batteriezellen (110) abdeckt, die in der Zellenanordnung ausgerichtet sind, und mehrere Strömungsführungspfade (232) entlang von Pfaden parallel zu einer gedachten Linie bildet, die durch den Raum zwischen den Sensorplatinen (150) über den Batteriezellen in kürzester Entfernung verläuft, und ein Modulgehäuse (170), das zumindest eine der äußeren Flächen der Zellenanordung abdeckt und schützt, wobei die Krümmungsentlüftungsanordnung (200) bereitgestellt ist.

BATTERIEMODUL, VORRICHTUNG ZUM STEUERN EINER VERFORMUNG EINES BATTERIEMODULS UND VERFAHREN DAZU

Resumen de: DE102024134396A1

Die vorliegende Offenbarung bezieht sich auf ein Batteriemodul (100) für ein Fahrzeug. Das Modul (100) umfasst eine Vielzahl von Batteriezellen (102) und eine Vorrichtung (200) zum Steuern einer Verformung von Batteriezellen (102) während des Ladens und Entladens. Die Vorrichtung (200) umfasst eine Vielzahl von Druckkissen (202), mindestens eine Leitung (204a, 204b), mindestens ein Ventil (206a, 206b) und ein Steuergerät (208). Die Druckkissen sind so konfiguriert, dass sie sich in der Mitte stärker verformen als an den Rändern des entsprechenden Druckkissens. Die Leitung verbindet die Einlässe (202b) und Auslässe (202c) der Druckkissen (202) miteinander. Das Ventil (206a, 206b) ist betriebsmäßig mit der Leitung verbunden, um das Fluid durch die Druckkissen (202) zu steuern. Die Steuereinheit (208) ist so konfiguriert, dass sie das Ventil (206a, 206b) in Abhängigkeit vom Druck und/oder der Temperatur des Fluids im Batteriemodul selektiv betätigt, um die Verformung der Batteriezellen zu steuern.

Verfahren und Vorrichtung zur Qualitätsprüfung einer elektrochemischen Zelle

Resumen de: DE102024121829A1

Es wird ein Verfahren zur Qualitätsprüfung einer elektrochemischen Zelle (1) mit folgende Verfahrensschritten vorgeschlagen:A) Bereitstellen einer elektrochemischen Zelle (2);B) Positionieren der Zelle (2) zwischen mindestens zwei Fixierelementen (3, 4), wobei die Zelle vorzugsweise komprimiert wird und zumindest eines der Fixierelemente (3, 4) beweglich gelagert ist;C) Elektrisches Kontaktieren der Zelle (2) zur Erzeugung eines elektrischen Lade- oder Entladevorganges der Zelle (2);D) Messen zumindest einer Position und/oder Positionsänderung des beweglich gelagerten Fixierelements (3, 4) in Abhängigkeit einer Zellvolumenänderung während ihres Lade- oder Entladevorganges;E) Ermitteln einer Zellqualität in Abhängigkeit der gemessenen Position oder Positionsänderung.

TEMPERATUREINSTELLUNGSSYSTEM FÜR ELEKTROFAHRZEUG

Resumen de: DE102025127698A1

Problem Die Temperatur einer Batterie wird mit schnellem Ansprechverhalten unter Verwendung eines CO2-Kühlmittels eingestellt.Mittel zur Lösung Ein Temperatureinstellungssystem (100) für ein Elektrofahrzeug umfasst: einen Verdichter (1) zum Verdichten eines ersten Kühlmittels, das CO2enthält; einen ersten Wärmetauscher (2a) zum Kühlen des von dem Verdichter verdichteten ersten Kühlmittels; Kühlexpansionsventile (V1a, V1b) zum Expandieren des vom ersten Wärmetauscher gekühlten ersten Kühlmittels; einen Kühlmittelkanal (13b) zum Zuführen des vom Kühlexpansionsventil expandierten ersten Kühlmittels zu einer Klimaanlage (5) beim Kühlen der Klimaanlage; einen Kühlmittelkanal (12) zum Zuführen des durch das Kühlexpansionsventil expandierten ersten Kühlmittels zu einem Motor (4) beim Kühlen des Motors; einen zweiten Wärmetauscher (2b) zum Durchführen eines Wärmeaustauschs zwischen dem ersten Kühlmittel und einem zweiten Kühlmittel, das CO2enthält und in einem Batteriegehäuse (6a) eingeschlossen ist; einen Lüfter (20) zum Zirkulieren des zweiten Kühlmittels zwischen einer Peripherie einer Zelle (6b) und dem zweiten Wärmetauscher; einen Kühlmittelkanal (16b) zum Zuführen des durch das Kühlexpansionsventil expandierten ersten Kühlmittels zu dem zweiten Wärmetauscher beim Kühlen der Batterie; und Kühlmittelkanäle (14, 15, 17) zum Zuführen des ersten Kühlmittels zu dem Verdichter.

Kühler mit Latentwärmespeichermanschette an zumindest einem Sammelrohr und Kraftfahrzeug

Resumen de: DE102024121639A1

Die Erfindung betrifft einen Kühler (10) für ein Kraftfahrzeug (12), wobei der Kühler (10) von einem zu kühlenden Medium durchströmbare Leitungen aufweist (14), wobei äußere Oberflächen der Leitungen (14) in einem Kühlbetrieb des Kühlers (10) von Luft überströmbar sind, und wobei der Kühler (10) wenigstens eine Latentwärmespeichereinrichtung (20, 22) aufweist, wobei der Kühler (10) ein erstes Sammelrohr (16) und ein zweites Sammelrohr (18) umfasst, an welche die von dem Medium durchströmbaren Leitungen (14) angeschlossen sind, wobei die wenigstens eine Latentwärmespeichereinrichtung (20, 22) an einer Außenseite zumindest eines der Sammelrohre (16, 18) angeordnet ist. Des Weiteren betrifft die Erfindung ein Kraftfahrzeug (12) mit wenigstens einem solchen Kühler (10).

Elektrische Energiespeichervorrichtung, aufweisend eine Luftfördereinrichtung

Resumen de: DE102024121955A1

Die Erfindung betrifft eine elektrische Energiespeichervorrichtung (100) für ein Fahrzeug, aufweisend ein Energiespeicher-Gehäuse (12), mehrere Batterieeinheiten (10a-d), vorzugsweise mehrere Batteriemodule, einen Luftführungskanal (16) und eine Luftfördereinrichtung (18) auf. Die mehrere Batterieeinheiten (10a-d) sind innerhalb des Energiespeicher-Gehäuses (12) angeordnet sind. Die Erfassungseinrichtung (14) ist ausgebildet, mindestens eine charakteristische Größe zu erfassen, die für eine innerhalb des Energiespeicher-Gehäuses (12) vorliegende, aktuelle Temperatur charakteristisch ist. Der Luftführungskanal (16) ist der innerhalb des Energiespeicher-Gehäuses (12) angeordnet. Die Luftfördereinrichtung (18) ist innerhalb des Energiespeicher-Gehäuses (12) angeordnet ist und die ausgebildet, in dem Luftführungskanal (16) enthaltene Luft umzuwälzen, wenn die mindestens eine charakteristische Größe einen Sollbereich, vorzugsweise einen Temperatur-Sollbereich und/oder einen Spannungs-Sollbereich, verlässt.

BATTERIE

Resumen de: DE102025114640A1

Eine Batterie weist einen Elektrodenkörper auf, in dem eine Positivelektroden-Aktivmaterialschicht, eine Elektrolytschicht und eine Negativelektroden-Aktivmaterialschicht laminiert sind, wobei die Positivelektroden-Aktivmaterialschicht ein Negativelektroden-Aktivmaterial und ein Kohlenstoffnanoröhrchen enthält, wobei das Negativelektroden-Aktivmaterial ein S-Element enthält; und die spezifische Oberfläche des Kohlenstoffnanoröhrchens in der Positivelektroden-Aktivmaterialschicht 400 m2/g oder mehr beträgt.

SEPARATOR FÜR EINE BATTERIE MIT EINEM NICHT-WÄSSRIGEN ELEKTROLYTEN UND BATTERIE MIT EINEM NICHT-WÄSSRIGEN ELEKTROLYTEN

Resumen de: DE102025121860A1

Problem Verhindern des Ablösens eines Separators einer Batterie mit einem nicht-wässrigen Elektrolyten mit einer negativen Elektrode auf Siliziumbasis von der negativen Elektrode.Mittel zur Lösung Ein Separator 5 für eine Batterie mit einem nicht-wässrigen Elektrolyten weist auf: eine erste Schicht 51, die mit einer negativen Elektrode 3 auf Siliziumbasis in Kontakt ist; und eine zweite Schicht 52, die mit der ersten Schicht in Kontakt ist und zwischen der negativen Elektrode auf Siliziumbasis und einer positiven Elektrode 4 angeordnet ist, wobei die zweite Schicht einen höheren Elastizitätsmodul als die erste Schicht aufweist.

TEMPERATUREINSTELLUNGSSYSTEM FÜR ELEKTROFAHRZEUG

Resumen de: DE102025127695A1

Problem Die Temperaturregelung einer Batterie erfolgt mit schnellem Ansprechverhalten unter Verwendung eines CO2-Kühlmittels, das auch zur Klimatisierung eines Fahrzeuginnenraums verwendet wird. Mittel zur Lösung Ein Temperatureinstellungssystem (100) für ein Elektrofahrzeug umfasst: einen Verdichter (1a, 1b) zum Verdichten eines CO2-Kühlmittels; einen ersten Wärmetauscher (2a) zum Kühlen des von dem Verdichter verdichteten Kühlmittels; Kühlexpansionsventile (V1a, V1b) zum Expandieren des von dem ersten Wärmetauscher gekühlten Kühlmittels; einen Kühlmittelkanal (13b) zum Zuführen des vom Kühlexpansionsventil expandierten Kühlmittels an eine Klimaanlage (5) beim Kühlen der Klimaanlage (5); einen Kühlmittelkanal (12) zum Zuführen des durch die Kühlexpansionsventile expandierten Kühlmittels an einen Motor (4) beim Kühlen des Motors (4); ein Common Rail (V2a) und einen Injektor (V2b) zum Expandieren und Einspritzen des Kühlmittels in ein Batteriegehäuse (6a); Kühlmittelkanäle (16, 17) zum zuführen des Kühlmittels nach dem Kühlen der Klimaanlage an das Common Rail und den Injektor beim Kühlen der Klimaanlage und beim Kühlen einer Batterie (6); und Kühlmittelkanäle (14, 15, 22) zum Zuführen des Kühlmittels, das die Klimaanlage, den Motor und die Batterie durchlaufen hat, an den Verdichter.

KÜHLSYSTEM

Resumen de: DE102025127653A1

Problem In einem Kühlsystem, das eine Batterie oder dergleichen in einem Fahrzeug durch Zirkulieren eines CO2enthaltenden Kältemittels kühlt, um die Kühlleistung für die Batterie sicherzustellen und gleichzeitig eine Verringerung der Effizienz des gesamten Systems zu begrenzen. Mittel zur Lösung Ein Kühlsystem 100 umfasst einen Verdichter 1, der ein Kältemittel verdichtet, einen Wärmetauscher 2, der das Kältemittel aus dem Verdichter 1 kühlt, Wärmetauscher 5a, 6a, die das vom Wärmetauscher 2 gekühlte Kältemittel verwenden, einen Kältemittelkanal 17, der das Kältemittel vom Wärmetauscher 2 zu einer Batterie 6 zuzuführen und dieses Kältemittel zum Verdichter 1 zurückzuführen ist, und ein Expansionsventil E2, das an dem Kältemittelkanal 17 stromaufwärts der Batterie 6 vorgesehen ist, und eine Steuerungsvorrichtung 80 hält einen Öffnungsgrad des Expansionsventils E2 konstant, wenn die Batterie Temperatur innerhalb eines ersten Bereichs R1 liegt, erhöht den Öffnungsgrad des Expansionsventils E2, wenn die Batterie Temperatur steigt, wenn die Batterie Temperatur innerhalb eines zweiten Bereichs R2 liegt, und hält den Öffnungsgrad des Expansionsventils E2 auf einem großen Öffnungsgrad, wenn die Batterie Temperatur innerhalb eines dritten Bereichs R3 liegt.

Batteriezellen-Baugruppe, Batteriezelle und Batteriespeichersystem mit derselben

Resumen de: DE102025130035A1

Die vorliegende Erfindung betrifft eine Batteriezellen-Baugruppe zur Umschließung und elektrischen Kontaktierung eines elektrochemischen Aktivmaterials (60), aufweisend ein Gehäuse (10) und ein Positivpolelement (20) mit einem Verbindungsabschnitt (21), der sich durch eine Gehäuseöffnung (12) hindurch erstreckt. Erfindungsgemäß ist in dem Gehäuse (10) ein Wärmeableitelement (40) angeordnet, das um die zentrale Gehäuseöffnung (12) herum mit einer Innenseite des Schulterab-schnitts (13) des Gehäuses (10) in Kontakt steht.

ALL-SOLID-STATE BATTERY

Resumen de: WO2026025685A1

The present application belongs to the technical field of batteries. Disclosed is an all-solid-state battery. The all-solid-state battery comprises a package, a battery cell assembly, a total positive electrode and a total negative electrode, wherein the package is sealingly wrapped around the outside of the battery cell assembly; the total positive electrode and the total negative electrode are both connected to the peripheral side of the package and are both electrically connected to the battery cell assembly; and the tiled area of the package is A, and the thickness of the package is B, where C=A/B, and 5000 mm≤C≤20000 mm. By means of increasing the tiled area of the package and reducing the thickness of the package of the all-solid-state battery, the uniformity of the entire all-solid-state battery is better.

Verfahren zur Zellinnendruckeinstellung in einer Batteriezelle sowie Batterieanordnung

Resumen de: DE102024122233A1

Die Erfindung betrifft ein Verfahren zur Zellinnendruckeinstellung in mindestens einer Batteriezelle (12), wobei eine Batteriezelle (12) bereitgestellt wird, die ein Zellgehäuse (16) umfasst, in welchem ein Zellinneres (18) eingeschlossen ist, wobei im Zellinneren (18) ein initialer Zellinnendruck (P) vorherrscht, und wobei ein Gas (22) in das Zellgehäuse (16) über eine verschließbare erste Öffnung (24) im Zellgehäuse (16) eingebracht wird, bis der Zellinnendruck (P) einen vorbestimmten ersten Druckschwellwert (G1) erreicht.

WÄRMEBARRIERESYSTEME ZUR VERWENDUNG INTRAKTIONSBATTERIEPACKS

Resumen de: DE102025130496A1

Es werden Wärmebarrieresysteme zum Verhindern der Übertragung von Wärmeenergie innerhalb eines Traktionsbatteriepacks bereitgestellt. Ein beispielhaftes Wärmebarrieresystem kann eine oder mehrere Wärmebarrierebaugruppen beinhalten, die zwischen benachbarten Batteriezellengruppen eines Zellstapels angeordnet sind. Jede Wärmebarrierebaugruppe kann einen Glimmerkern, eine erste Keramikschaumstoffschicht, eine zweite Keramikschaumstoffschicht, eine erste Glassilikonschicht und eine zweite Glassilikonschicht beinhalten. In einigen Umsetzungen kann das Wärmebarrieresystem zusätzlich eine oder mehrere Zellexpansionspadbaugruppen und/oder eine oder mehrere Wärmebarrieren beinhalten.

Modulares Batteriemodul und Verfahren zur Herstellung eines Batteriemoduls

Resumen de: DE102024121585A1

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines Batteriemoduls (1) für ein Fahrzeug (2). Gemäß dem Verfahren werden Batteriezellen (6) zwischen einem ersten Zellgurtteil (3) und einem zweiten Zellgurtteil (7) derart angeordnet, dass erste Zellseiten (5) der Batteriezellen (6) in ersten Aufnahmen (4) des ersten Zellgurtteils (3) und zweite Zellseiten (9) der Batteriezellen (6) in zweiten Aufnahmen (8) des zweiten Zellgurtteils (7) angeordnet sind. Ferner betrifft die Erfindung ein Batteriemodul (1) für ein Fahrzeug (2) sowie ein Fahrzeug (2).

Kühl- und/oder Heizsystem für ein Fahrzeug

Resumen de: DE102024121579A1

Die vorliegende Offenbarung betrifft ein Kühl- und/oder Heizsystem (1, 200) für ein Fahrzeug, umfassend:- wenigstens einen Kreislauf (210) zum Kühlen und/oder Heizen von Fahrzeugsystemen; und- eine Latentwärme-Speicheranordnung (220), die eingerichtet ist, um dem wenigstens einen Kreislauf (210) Wärme zuzuführen und/oder vom wenigstens einen Kreislauf Wärme aufzunehmen.

KÜHLSYSTEM

Resumen de: DE102025127697A1

Problem In einem Kühlsystem, das eine Batterie oder dergleichen in einem Fahrzeug durch Zirkulieren eines bevorzugt CO2enthaltenden Kältemittels kühlt, um zu verhindern, dass das Kältemittel durch Druckerhöhung durch den Verdichter eine hohe Temperatur annimmt.Mittel zur Lösung Ein Kühlsystem 100 umfasst einen Verdichter 1, der ein Kältemittel in zwei Stufen unter Verwendung eines ersten und eines zweiten Verdichters 1a, 1b verdichtet, einen Wärmetauscher 2, der das Kältemittel aus dem Verdichter 1 kühlt, Wärmetauscher 5a, 6a, die das Kältemittel aus dem Wärmetauscher 2 verwenden, einen Kältemittelkanal 17, der das Kältemittel aus dem Wärmetauscher 2 an eine Batterie 6 und an den ersten Verdichter 1a zuführt, Kältemittelkanäle 18, 19, die das Kältemittel aus den Wärmetauschern 5a 6a an den zweiten Verdichter 1b zuführen, ein Expansionsventil E2, das an dem Kältemittelkanal 17 vorgesehen ist, und ein Expansionsventil E3, das an dem Kältemittelkanal 18 vorgesehen ist, und eine Steuerungsvorrichtung 80 führt eine Steuerung durch, um den Öffnungsgrad des Expansionsventils E3 zu erhöhen, wenn die Temperatur des aus dem zweiten Verdichter 1b ausgeleiteten Kältemittels gleich oder höher als eine vorbestimmte Temperatur ist.

NANO-ENGINEERED BATTERY ACTIVE MATERIAL POWDERS WITH FUNCTIONALLY GRADED MICROSTRUCTURE AND CONFORMAL COATINGS

Resumen de: WO2026030608A1

An LMFP particle is disclosed, the LMFP particle comprising active material decorated with an engineered coating material, the coating material comprising at least one material selected from a group comprising: ionic compounds of V5+; Mg2+; Ti4+; Zr4+; Nb5+; W6+; Cr6+; Mo6+; Al32O3; ZrOx; TiO2; Nb2O5; and WO3, and encapsulated in conductive carbon material; and binding material. An LMFP cathode is also disclosed, the LMFP cathode comprising active material, conductive carbon material; and engineered coating material decorated on the surface of the active material, the. A method for forming the engineered coating material is also disclosed

BATTERY MANAGEMENT SYSTEM

Resumen de: WO2026030309A1

According to some embodiments, a battery management system for a metal-hydrogen battery system is presented. In particular, a method of managing a battery system includes applying a charging current through a battery string of the battery system, the battery string including a plurality of coupled batteries; monitoring temperature of the plurality of batteries; determining a maximum charging voltage from a Vtable that relate the charging current, the temperature, and the maximum charging voltage for each battery in the battery string; and stopping the charging current when a voltage across one or more of the batteries of the battery string reaches the maximum charging voltage.

SELF-REGULATING BATTERY CELL

Resumen de: WO2026030024A1

A battery cell system includes multiple battery cells and a control circuit. The battery cells include an internal cell resistance. The control circuit is configured to detect when a charge level of a first battery cell of the battery system is greater than a charge level of a second battery cell of the battery system; and activate an internal cell resistance of the first battery cell to reduce the charge level of the first battery cell and deactivate the internal cell resistance when the charge level of the first battery cell is within a specified threshold charge level of the second battery cell.

BATTERY AND BATTERY PACK

Resumen de: WO2026025595A1

A battery (100) and a battery pack. The battery (100) comprises a casing (1) and an explosion-proof valve (2), wherein the explosion-proof valve (2) comprises welding portions (21), and the welding portions (21) are welded onto the casing (1); the explosion-proof valve (2) further comprises a weak portion (22), wherein the explosion-proof valve (2) or the casing (1) is provided with buffer structures (3), each buffer structure (3) is arranged close to the corresponding welding portion (21), and the buffer structures (3) are used for releasing the stress generated by welding of the welding portions (21).

SYSTEM FÜR EIN THERMOMANAGEMENT EINES BATTERIESATZES EINES ELEKTROFAHRZEUGS UND VERFAHREN DAZU

Resumen de: DE102024135554A1

Ein System (100) und ein Verfahren (1300) für das Thermomanagement eines Batteriesatzes (102) eines Elektrofahrzeugs wird offenbart. Das System (100) umfasst mindestens eine Lufteinlassanordnung (204), die so konfiguriert ist, dass sie Umgebungsluft aufnimmt und verarbeitet und die verarbeitete Luft den Batteriemodulen (202) des Batteriesatzes (102) zuführt, sowie einen Satz von Rohren (206), die die Lufteinlassanordnung (204) und die Batteriemodule (202) strömungstechnisch verbinden. Die Lufteinlassanordnung (204) umfasst eine Lufteinlasskammer (402) mit einer Lufteinlassöffnung (404) zur Aufnahme von Umgebungsluft, ein Heiz-/Kühlelement (406) und ein Luftströmungssteuergerät (408), das an der Lufteinlassöffnung (404) beweglich konfiguriert ist, um sich zwischen einer ersten Position und einer zweiten Position zu bewegen, um die Erwärmung oder Abkühlung der Umgebungsluft durch das Heiz-/Kühlelement (406) zu steuern, bevor sie dem Satz von Rohren (206) zugeführt wird.

Kapazitätsmesssystem für Batteriezellen

Resumen de: DE102024127511A1

Aspekte der Offenbarung umfassen ein System zum Überwachen einer Kapazität über einer Batteriezelle während der Benetzung des Elektrolyten und der Zellbildung sowie Verfahren zu dessen Verwendung. Ein beispielhaftes System umfasst eine Batteriezelle, eine erste leitende Platte, die über einem ersten Ende der Batteriezelle angeordnet ist, und eine zweite leitende Platte, die an einem zweiten Ende der Batteriezelle angeordnet ist. Die erste leitende Platte ist von dem ersten Ende der Batteriezelle durch einen Spalt getrennt, und die zweite leitende Platte umfasst eine Komponente der Batteriezelle. Das zweite Ende der Batteriezelle liegt dem ersten Ende der Batteriezelle gegenüber. Das System umfasst ein Kapazitätsmesssystem, das elektrisch mit der ersten leitenden Platte und der zweiten leitenden Platte verbunden ist. Das Kapazitätsmesssystem ist konfiguriert, eine Kapazität über der ersten leitenden Platte und der zweiten leitenden Platte zu messen.

KÜHLSYSTEM

Resumen de: DE102025127693A1

Problem In einem Kühlsystem, das eine Batterie oder dergleichen in einem Fahrzeug durch Zirkulieren eines CO2enthaltenden Kältemittels kühlt, um eine maximale Kühlleistung bei abnormer Wärmeentwicklung der Batterie zu gewährleisten und gleichzeitig die Effizienz des gesamten Systems sicherzustellen.Mittel zur Lösung Ein Kühlsystem 100 umfasst einen Verdichter 1, der ein Kältemittel verdichtet, einen Wärmetauscher 2, der das Kältemittel aus dem Verdichter 1 kühlt, Wärmetauscher 5a, 6a, die das vom Wärmetauscher 2 gekühlte Kältemittel verwenden, einen Kältemittelkanal 17, der das Kältemittel vom Wärmetauscher 2 an eine Batterie 6 zuzuführen und dieses Kältemittel an den Verdichter 1 zurückzuführen ist, und ein Expansionsventil E2, das am Kältemittelkanal 17 vorgesehen ist, und eine Steuerungsvorrichtung 80 erhöht den Öffnungsgrad des Expansionsventils E2 innerhalb eines Bereichs eines Grenzwert-Öffnungsgrads Lim1 oder weniger, wenn die Batterietemperatur steigt, wenn keine abnorme Wärmeentwicklung der Batterie 6 auftritt, und setzt den Öffnungsgrad des Expansionsventils E2 auf einen Grenzwert-Öffnungsgrad Lim2, der größer ist als der Grenzwert-Öffnungsgrad Lim1, wenn eine abnorme Wärmeentwicklung der Batterie 6 auftritt.

Verfahren zum Herstellen einer Batteriezelle für eine Traktionsbatterie, Batteriezelle sowie Kraftfahrzeug

Resumen de: DE102024121752A1

Die Erfindung betrifft ein Verfahren zum Herstellen einer Batteriezelle (10) für eine Traktionsbatterie, bei welchem ein Elektrodenelement (12) in einem von einer Gehäusedose (18) umschlossenen Aufnahmeraum (16) angeordnet wird, der Aufnahmeraum (16) mittels eines Gehäusedeckels (20) verschlossen wird, wodurch ein Gehäuseboden der Gehäusedose (18) und der Gehäusedeckel (20) auf einander axial gegenüberliegenden Seiten des Elektrodenelements (12) angeordnet sind, und der Gehäusedeckel (20) so lange kraftgesteuert axial auf den Gehäuseboden zu bewegt wird, bis eine ermittelte Widerstandskraft einen vorgegebenen Widerstandskraftgrenzwert erreicht.

Verbindungsbaugruppe, Batteriebaugruppe, und Elektrofahrzeug

Resumen de: DE102025130600A1

Offenbart werden eine Verbindungsbaugruppe, eine Batteriebaugruppe, die die Verbindungsbaugruppe umfasst, und ein Elektrofahrzeug, das die Batteriebaugruppe umfasst. Die Verbindungsbaugruppe umfasst: ein erstes Gehäuse, umfassend einen ersten Körper und einen offenen ersten Aufnahmeteil, der sich von dem ersten Körper aus erstreckt; ein zweites Gehäuse, umfassend einen zweiten Körper, der an dem ersten Körper angebracht ist, und einen offenen zweiten Aufnahmeteil, der sich von dem zweiten Körper aus in einer von dem ersten Körper abgewandten Richtung erstreckt; einen Anschluss, der zwischen dem ersten Körper und dem zweiten Körper angebracht ist; und ein Befestigungselement, das so konfiguriert ist, dass es sowohl in das erste Gehäuse als auch in das zweite Gehäuse von einem von dem ersten Körper abgewandten Ende des ersten Aufnahmeteils aus eingesetzt werden kann, um die Verbindungsbaugruppe an einem Passverbinder zu befestigen.

Garagentoröffnung bei Venting der Hochvoltbatterie

Resumen de: DE102024122023A1

Die vorliegende Erfindung betrifft Vorrichtungen und Verfahren zur Verringerung der von einem in einer Garage befindlichen Elektrofahrzeug ausgehenden Brandgefahr.

Zugankereinrichtung und Akkumulatoranordung

Resumen de: DE102024121840A1

Die Erfindung betrifft eine Zugankereinrichtung (1). Die Zugankereinrichtung (1) umfasst eine Zugankerplatte (2) und wenigstens eine separat zur Zugankerplatte (2) ausgebildete Wärmeverteilungsplatte (3a, 3b), die entlang einer Stapelrichtung benachbart zur Wärmeverteilungsplatte (3a, 3b) angeordnet ist. Bezüglich der Stapelrichtung (S) zwischen der Wärmeverteilungsplatte (3a, 3b) und der Zugankerplatte (2) ist wenigstens eine Sicherheitseinlage zwischen der Wärmeverteilungsplatte (3) und der Zugankerplatte (2) angeordnet. Die Zugankerplatte (2) weist einen Zugankerrahmen (5) zur Bereitstellung einer Zugankerfunktion auf. Der Zugankerrahmen (5) fast eine Aufnahmezone (6) der Wärmeverteilungsplatte ein, in welcher eine Stützstruktur (7) der Zugankerplatte (2) vorhanden ist. Auf der Stützstruktur (7) liegt die Sicherheitseinlage (4a, 4b) auf.

BATTERIEPACK-AUSTAUSCHSYSTEM

Resumen de: DE102025126384A1

Vorzusehen ist ein Batteriepack-Austauschsystem, das geeignet ist, einen einfachen Austausch von Batteriepacks zu ermöglichen, die dicht in einem Gehäuse angeordnet sind. Ein Batteriepack-Austauschsystem (100) umfasst: eine Batterieeinheit (10), die ein Batteriepack (11) und ein Rohr (12) umfasst, wobei eine Richtung entlang einer Seite eines Bodens des Batteriepacks (11) eine Transportrichtung der Batterieeinheit (10) ist und das Rohr (12) entlang einer unteren Fläche oder einer Seitenfläche des Batteriepacks (11) befestigt ist; ein Gehäuse (20) zum Stapeln und zur Aufnahme der Batterieeinheit (10) darin; und ein Stabelement (30), das so konfiguriert ist, dass es in das Rohr (12) entlang der Transportrichtung der Batterieeinheit (10) eingesetzt werden kann, und einen beweglichen Teil (31) aufweist, der so konfiguriert ist, dass er in einer Stapelrichtung der Batterieeinheit (10) angehoben werden kann.

Variable Batterieanordnung, Kraftfahrzeug und Verfahren zum Betreiben einer Batterieanordnung

Resumen de: DE102024122241A1

Die Erfindung betrifft eine Batterieanordnung (20) mit mehreren Zellgruppen (24a, 24b), die zueinander in Reihe geschaltet sind, wobei jede Zellgruppe (24a, 24b) mehrere zueinander parallel geschaltete Batteriezellen (26, 28, 30, 32, 34, 36) umfasst. Dabei ist jede der Batteriezellen (26, 28, 30, 32, 34, 36) selektiv zu einer der Zellgruppen (24a, 24b) zuschaltbar und wegschaltbar ist, und die Batterieanordnung (20) weist eine Messeinrichtung (50, 52) auf, die dazu ausgelegt ist, für jede der Batteriezellen (26, 28, 30, 32, 34, 36) eine bestimmte Zell-Messgröße (K1, K2, K3, K4, K5, K6) zu ermitteln und die Batteriezellen (26, 28, 30, 32, 34, 36) in Abhängigkeit von den ermittelten Zell-Messgrößen (K1, K2, K3, K4, K5, K6) jeweils genau einer der Zellgruppen (24a, 24b) zuzuordnen.

MULTI-CATION COMPOSITIONS OF HALOSPINEL SOLID STATE ELECTROLYTES

Resumen de: WO2026029989A1

A halospinel-based solid electrolyte for an all-solid-state battery has the following composition: LiaM1bM2cScyX4, wherein X is one or more halogen; M1 is a divalent cation selected from the group consisting of Mg, Ca, Sr and Zn; M2 is one of a divalent, trivalent or tetravalent cation; 1.75 ≤ a ≤ 2.75; 0 ≤ y ≤ 0.375; 0.125 ≤ b ≤ 0.5; and 0.125 ≤ c ≤ 0.5.

STEUERN EINES STROMS ZUM GLEICHSTROMSCHNELLADEN MIT WÄRMEERZEUGUNG UND TEMPERATURSTEUERUNG

Resumen de: DE102024127531A1

Hier beschriebene Beispiele stellen ein Verfahren zum Gleichstromschnellladen (DC-Schnellladen) für eine Zelle einer Batterie eines Fahrzeugs bereit. Das Verfahren umfasst ein Bestimmen eines Anodenpotentialstroms, der während des Gleichstromschnellladens eingeleitet werden soll. Das Verfahren umfasst ferner das Bestimmen eines Wärmeerzeugungsstroms, der während des Gleichstromschnellladens eingeleitet werden soll. Das Verfahren umfasst ferner ein Bestimmen eines Zellenspannungsstroms, der während des Gleichstromschnellladens eingeleitet werden soll. Das Verfahren umfasst ferner ein Auswählen eines minimalen Stroms aus dem Anodenpotentialstrom, dem Wärmeerzeugungsstrom und dem Zellenspannungsstrom. Das Verfahren umfasst ferner ein Laden der Zelle der Batterie des Fahrzeugs auf der Grundlage des minimalen Stroms.

Batterieanordnung mit verbesserten Hafteigenschaften einer Interfaceschicht, Verfahren zum Herstellen einer Batterieanordnung und Verfahren zum Demontieren einer Batterieanordnung

Resumen de: DE102024122237A1

Die Erfindung betrifft eine Batterieanordnung (10) mit mindestens einem Batteriemodul (12), das mindestens eine Batteriezelle (14) umfasst, und einem Träger (20), der eine erste Trägerseite (20a) aufweist, auf der das Batteriemodul (12) angeordnet ist, wobei zwischen einer ersten Trägerseite (20a) und einer ersten Modulseite (12a) eine Interfaceschicht (30) aus einem adhäsiven und/oder thermischen Interfacematerial (32) angeordnet ist, wobei die Batterieanordnung (10) mindestens eine Kontaktfläche (12a, 20a) umfasst, die die erste Modulseite (12a) oder die erste Trägerseite (20a) umfasst. Dabei befindet sich zwischen der Interfaceschicht (30) und der mindestens einen Kontaktfläche (12a, 20a) eine Trennschicht (34, 36), die an der Kontaktfläche (12a, 20a) fixiert ist und so ausgestaltet ist, dass eine erste Haftkraft zwischen der Interfaceschicht (30) und der Trennschicht (34, 36) gegenüber einer zweiten Haftkraft, die zwischen der Interfaceschicht (30) und der mindestens einen Kontaktfläche (12a, 20a) bei direkter Anordnung der Interfaceschicht (30) an der mindestens einen Kontaktfläche (12a, 20a) wirken würde, verändert ist.

Kraftfahrzeug mit einer Fahrgastkabine

Resumen de: DE102024121845A1

Die Erfindung betrifft ein Kraftfahrzeug (1) mit einer Fahrgastkabine (3), einem Fahrzeugboden (4), einer in Fahrtrichtung (5) vor der Fahrgastkabine (3) gelegenen Stirnwand (6) und mit einer Klimatisierungseinrichtung (7) zum Temperieren zumindest der Fahrgastkabine (3).Erfindungswesentlich ist dabei, dass der Fahrzeugboden (4) ein Bodenblech (11) und einen darunter angeordneten Unterboden (12) aufweist, wobei zwischen dem Bodenblech (11) und dem Unterboden (12) ein Raum (13) vorhanden ist, in dem zumindest Teile der Klimatisierungseinrichtung (7) angeordnet sind.Hierdurch lässt sich die Klimatisierungseinrichtung (7) zumindest in Teilen standardisiert ausbilden und bauraumoptimiert anordnen.

Elektrisch antreibbares Kraftfahrzeug und Verfahren zum Erwärmen eines Gebäudes

Resumen de: DE102024122106A1

Elektrisch antreibbares Kraftfahrzeug; wobei das Kraftfahrzeug aufweist: eine Energiespeichervorrichtung zum Bereitstellen von elektrischer Energie zum Antreiben des Kraftfahrzeugs; eine ein Temperierungsfluid umfassende Temperierungsvorrichtung zum Temperieren der Energiespeichervorrichtung; eine elektrisch betreibbare Kraftwärmemaschine zum Erwärmen des Temperierungsfluids der Temperierungsvorrichtung; und eine Wärmeschnittstelle mit einem Wärmetauscher zum Übertragen von Wärme des Temperierungsfluids der Temperierungsvorrichtung an ein über die Wärmeschnittstelle mit dem Wärmetauscher in Wirkverbindung bringbares fahrzeugexternes Temperierungsfluid.

SOL-GEL PRODUCED SOLID ELECTROLYTE AND ELECTRODE FOR A SOLID-STATE BATTERY, AND A METHOD FOR PRODUCING THE SAME

Resumen de: WO2026027743A1

The technology of the present disclosure generally relates to the field of power storage devices, and more specifically to a solid electrolyte, an electrode, electrode assemblies, solid electrolyte separators, a solid- state battery, and a process for producing the same. An aspect of the present disclosure relates to a process for producing a solid electrolyte, the process comprising the steps of: - providing a curable composition comprising • a polyether compound comprising at least one polyalkoxy silyl funconal group; • a cross-linker comprising at least two polyalkoxy silyl funconal groups and a metal ion (M+) chelang moiety; • a metal (M+) salt, preferably a lithium (Li+) salt; • clay mineral parcles; • oponally, an ionically conducve compound; and • a solvent comprising water, and preferably one or more alcohols; - curing the curable composion, thereby obtaining the solid electrolyte; and, - oponally, drying the solid electrolyte.

BATTERY DIAGNOSIS APPARATUS AND METHOD

Resumen de: WO2026029404A1

A battery diagnosis method, according to an embodiment of the present invention, may comprise the steps of: collecting battery-related measurement values during a discharge section included in each cycle of a battery charging/discharging test; setting a reference value for a state change amount of the discharge section; comparing a state change amount of the discharge section measured for each cycle with the reference value; and performing a battery diagnosis according to a result of the comparison.

ELECTRIC POWER STORAGE DEVICE, AND METHOD FOR MANUFACTURING ELECTRIC POWER STORAGE DEVICE

Resumen de: WO2026028868A1

An electric power storage device (10) comprises: a case (15) that has an opening (15b) formed at one end, in a first direction, of a cylindrical portion (15a); an electrode body (14) that is accommodated in the case; and a lid (30) that closes the opening (15b). The lid has an outer peripheral portion (31) that is joined by welding to an opening-side end portion (15c) of the cylindrical portion (15a). The outer peripheral portion (31) has a first side wall portion that is positioned further toward the inside of the case than an inner peripheral surface (22) of the opening-side end portion (15c), a second side wall portion that is positioned further toward the outside of the case than an outer peripheral surface (23) of the opening-side end portion (15c), and a connecting portion that connects the first side wall portion and the second side wall portion. The first side wall portion includes a first abutting portion that abuts the inner peripheral surface (22), and the second side wall portion has a second abutting portion that abuts the outer peripheral surface (23). In the outer peripheral portion (31), a closed space (40) is formed between a region from the first abutting portion to the second abutting portion and the opening-side end portion (15c).

CYLINDRICAL SECONDARY BATTERY

Resumen de: WO2026028870A1

This cylindrical secondary battery includes an electrode body, an exterior can, a sealing body, and a gasket interposed between the exterior can and the sealing body. The sealing body includes a cap (27) having a ventilation port (27a), and a rupture plate. The cap (27) has an annular flange part (27b) provided on the outer peripheral side, a top plate part (27d) positioned on the battery outer side of the flange part (27b), on the inner peripheral side of the flange part (27b), and a cylindrical protrusion (27c) connecting the flange part (27b) and the top plate part (27d). A groove (27e) is formed in the top plate part (27d).

SOLID ELECTROLYTE AND PREPARATION METHOD THEREFOR, AND BATTERY

Resumen de: WO2026026595A1

The present invention belongs to the technical field of battery materials, and relates to a solid electrolyte and a preparation method therefor, and a battery. The solid electrolyte comprises a carrier salt CaNb and a Van der Waals crystal MB y having a Van der Waals crystal structure; some of the anion donors of N in the CaNb are replaced with some of the elements B in the compound having a Van der Waals crystal structure, such that the carrier salt and the compound having a Van der Waals crystal structure form a framework structure; the dissociated cation donors of C are filled into the gap of the frame structure, some of which act as carriers for transmission in the frame structure, and the others of which form a nanocrystalline with MBy or B. In the electrolyte, the Van der Waals crystal MBy acts as a solid solvent, and can dissociate a plurality of salts CaNb and form a solid electrolyte; and functionalized solid electrolytes are developed, including a solid electrolyte having a high air stability, a solid electrolyte capable of matching a Li metal negative electrode, and a solid electrolyte that supports an extremely low temperature and high rate.

CURRENT COLLECTING DISC, END COVER ASSEMBLY, ENERGY STORAGE DEVICE, AND ENERGY STORAGE SYSTEM

Resumen de: WO2026026121A1

The present application discloses a current collecting disc, an end cover assembly, an energy storage device, and an energy storage system. The current collecting disc comprises a disc body portion and a partition boss. The disc body portion has a first surface and a second surface opposite to each other along the axial direction of the disc body portion, and is provided with a first through hole passing through the first surface and the second surface; and first grooves are formed on the first surface. The partition boss and the disc body portion are arranged as separate parts, and the partition boss protrudes from the first surface. The first through hole is at least partially covered by the partition boss, and the first through hole remains in communication with the first grooves; and the first grooves are at least partially exposed to the partition boss, so that the first grooves can remain in communication with an explosion-proof hole.

BATTERY APPARATUS AND VEHICLE

Resumen de: WO2026026115A1

Embodiments of the present application provide a battery apparatus and a vehicle. The battery apparatus comprises battery cells and a case; the case is provided with an accommodating cavity, and the battery cells are accommodated in the accommodating cavity; the case comprises two first walls that are arranged opposite to each other in a first direction, the battery cells are arranged between the two first walls, and the first direction is perpendicular to the direction of gravity; each first wall comprises a first wall body and a cantilever beam that are arranged to form an included angle, the first wall body is used for defining the accommodating cavity, the cantilever beam is located on the outer side of the first wall body and protrudes from the outer surface of the first wall body in a direction away from the accommodating cavity, and the cantilever beam is used for being connected to a vehicle frame. On the basis of the technical solution provided by the present application, the space utilization rate of a vehicle frame can be improved.

COMBINER CABINET AND ENERGY STORAGE SYSTEM

Resumen de: WO2026025662A1

The present application provides a combiner cabinet and an energy storage system. The combiner cabinet comprises: a cabinet body and a cabinet door, wherein the cabinet body has a mounting cavity, the cabinet door is connected to the cabinet body, the cabinet body comprises a first side wall arranged opposite to the cabinet door, and the arrangement direction of the cabinet door and the first side wall is a first direction; and an electrical component assembly mounted in the mounting cavity, wherein the electrical component assembly comprises a positive electrode portion and a negative electrode portion arranged spaced from each other, and the positive electrode portion and the negative electrode portion are arranged in the first direction.

COMBINER CABINET AND ENERGY STORAGE SYSTEM

Resumen de: WO2026025663A1

Provided in the present application are a combiner cabinet and an energy storage system. The combiner cabinet comprises a cabinet body and electrical component assemblies, wherein the electrical component assemblies are mounted in the cabinet body, a plurality of electrical component assemblies are provided and configured to be electrically connected to a plurality of battery packs, the plurality of electrical component assemblies are arranged from top to bottom in the direction of height of the combiner cabinet, and each electrical component assembly is configured to be electrically connected to an external multi-cluster high-voltage box and is configured to be electrically connected to one battery pack.

COMPOSITE SODIUM IRON SULFATE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, SODIUM-ION BATTERY POSITIVE ELECTRODE PLATE AND SODIUM-ION BATTERY

Resumen de: AU2024441604A1

The present disclosure relates to the technical field of batteries, and provides a composite sodium iron sulfate positive electrode material and a preparation method therefor, a positive electrode sheet of a sodium-ion battery, and a sodium-ion battery. In the preparation method for the composite sodium iron sulfate positive electrode material provided by the present disclosure, boron is doped during the preparation of a conductive agent, which can improve the conductivity of the conductive agent and reduce the amount of the conductive agent; the conductive agent is added during the preparation of the positive electrode material, which can improve the dispersion uniformity of the conductive agent; and high-temperature sintering is performed, which can make the contact between the conductive agent and an active material more reliable. A dry electrode sheet prepared by using the material has a lower electrode sheet resistance value.

HEAT-ABSORBING MEMBER AND PREPARATION METHOD THEREFOR, BATTERY ASSEMBLY AND ELECTRIC APPARATUS

Resumen de: WO2026026587A1

Provided in the present application are a heat-absorbing member and a preparation method therefor, a battery assembly and an electric apparatus. The heat-absorbing member comprises a water-containing heat-absorbing material, a thermally conductive insulating oil and an encapsulation structure, wherein the water-containing heat-absorbing material and the thermally conductive insulating oil are encapsulated in the encapsulation structure, and the water-containing heat-absorbing material is at least partially immersed in the thermally conductive insulating oil. The heat-absorbing member has relatively good heat absorption capacity, and the thermally conductive insulating oil can further inhibit the evaporation of moisture, thereby retaining water, and also suppressing phenomena such as a short circuit or self-discharge in a battery assembly caused by moisture leakage.

SOLID-STATE CELL AND MANUFACTURING METHOD THEREFOR, SOLID-STATE BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026026055A1

The present application relates to a solid-state cell and a manufacturing method therefor, a solid-state battery, and an electric device. The solid-state cell comprises a solid electrolyte portion, and a positive electrode portion and a negative electrode portion which are separated by the solid electrolyte portion; any electrode portion independently comprises an electrode body and a tab portion connected to the electrode body; the electrode body comprises at least one electrode layer; and the electrode layer comprises a current collector layer and an electrode active material layer located on at least one side of the current collector layer. Two composite recesses used for accommodating positive and negative tab portions are formed on at least one side edge of the solid-state cell in the height direction thereof. Each electrode layer is provided with recesses corresponding to the two composite recesses. In the at least one electrode layer, the current collector layer is connected to a corresponding tab at the bottom of at least one recess; and the electrode layer further comprises a conductive adhesive layer located between the current collector layer and the electrode active material layer and at least covering a die-cut edge region of the tab recess.

ENERGY STORAGE SYSTEM AND CONTROL METHOD THEREFOR

Resumen de: WO2026026046A1

An energy storage system (10) and a control method therefor. The energy storage system (10) comprises: a battery (12) for storing and releasing energy; an energy storage converter (13) used for being connected to a power supply source and the battery (12); and a thermal management system (11), the thermal management system (11) comprising: a first heat exchanger (21) used for performing heat exchange with the battery (12); a second heat exchanger (22) used for performing heat exchange with the energy storage converter (13); and a liquid cooling circulation loop (30) having a first coolant flow path (31) and a second coolant flow path (32) which are in communication in parallel, the first heat exchanger (21) being arranged in the first coolant flow path (31), and the second heat exchanger (22) being arranged in the second coolant flow path (32).

COMBINER CABINET AND ENERGY STORAGE SYSTEM

Resumen de: WO2026025660A1

Provided in the present application are a combiner cabinet and an energy storage system. The combiner cabinet comprises: a cabinet body and a cabinet door, the cabinet body having a mounting cavity, the cabinet door being connected to the cabinet body so as to cover or expose the mounting cavity, the cabinet body being provided with an air outlet at the top thereof, and the cabinet door being provided with an air inlet; and an electrical component assembly, which is mounted in the mounting cavity and is configured to combine power from a plurality of external high-voltage boxes, at least part of the electrical component assembly being located in an air path between the air inlet and the air outlet.

RECYCLING METHOD FOR POSITIVE ELECTRODE OF WASTE BATTERY

Resumen de: WO2026025658A1

The present application provides a recycling method, which is used for recycling valuable metals in positive electrode powder of waste batteries. Sulfuric acid produced by an electrolysis reaction can be used to continue dissolving more positive electrode powder in a slurry until the sulfuric acid is almost depleted and electrolysis ends. This self-sustaining process can reduce the usage of sulfuric acid in an extraction process. Furthermore, during extraction of metals such as nickel and cobalt in the slurry, the concentration of a first metal element remaining in the slurry is increased, such that extraction of the first metal element becomes possible and efficient. In addition, the recycling method provided by the present application can also perform continuous electrolysis treatment, and, as sulfuric acid generated by electrolysis or supplemental sulfuric acid can dissolve more positive electrode powder, the recycling rate and productivity are improved. Thus, the entire recycling process is simple, economical and efficient; by means of reducing the usage of acid and alkali, the recycling method reduces the impact on the environment, thereby being environment-friendly.

CONTROL METHOD FOR SOLVENT DISPENSING OF BATTERY SLURRY PRODUCTION DEVICE, PRODUCTION DEVICE, AND ELECTRONIC DEVICE

Resumen de: WO2026025654A1

The present application discloses a control method for solvent dispensing of a battery slurry production device, a production device, and an electronic device. The battery slurry production device comprises a slurry container, a solvent addition assembly, and a solvent container. The slurry container is communicated with the solvent container by means of the solvent addition assembly. The method comprises: when signal interaction between the slurry container and the solvent container is normal, acquiring a first parameter value used for representing the ambient pressure inside the slurry container and a second parameter value used for representing the overall mass of the solvent container; when the first parameter value is within a first preset threshold range and the second parameter value is within a second preset threshold range, dispensing a solvent from the solvent container to the slurry container at a first predetermined speed; and when the second parameter value is a first mass threshold, dispensing the solvent at a second predetermined speed.

PRESS-TYPE SEALING COVER AND SEALED CONTAINER

Resumen de: AU2025203949A1

This invention discloses a press-type sealing cover and a sealed container, relating to the technical field of sealed containers. The press-type sealing cover includes a face cover body, a bottom cover body, a press member, a sealing member, and a transmission mechanism. The face cover body and the bottom cover body are movably disposed opposite to each other, the press member is slidably disposed on the face cover body along an axial direction, the sealing member is disposed on the bottom cover body, one end of the transmission mechanism is connected to the press member, and the other end of the transmission mechanism is connected to the bottom cover body. The press member is pressed to drive the transmission mechanism to carry the bottom cover body to move axially relative to the face cover body, thereby driving the sealing member to move. The press-type sealing cover enables linkage between the press member and the bottom cover body via a transmission mechanism. Pressing the press member drives the transmission mechanism to carry the bottom cover body to move axially relative to the face cover body, thereby moving the sealing member. For the user, simply pressing the press member changes the state of the sealing cover, making opening and closing simple, effortless, and convenient, achievable with one hand. This invention discloses a press-type sealing cover and a sealed container, relating to the technical field of sealed containers. The press-type sealing cover includes a

BATTERY-CELL HEAT DISSIPATION STRUCTURE AND ENERGY STORAGE SYSTEM

Resumen de: AU2024368982A1

A battery-cell heat dissipation structure and an energy storage system, which relate to the technical field of energy storage systems. The battery-cell heat dissipation structure comprises a case and a battery cell, wherein a mounting cavity is formed in the case; a plurality of thermally conductive portions are arranged on a cavity wall surface of the mounting cavity; the battery cell is arranged in the mounting cavity; and a plurality of heat dissipation wall surfaces are provided on the battery cell, and same are in contact with the plurality of thermally conductive portions in a one-to-one correspondence manner. By means of the battery-cell heat dissipation structure, a better heat dissipation effect for the battery cell is achieved, and when a system operates, same has a lower temperature rise, and a smaller temperature difference; and the heat of the battery cell dissipates from the plurality of heat dissipation wall surfaces, and the surface utilization rate of the battery cell is also relatively high, thereby facilitating an improvement in the performance of the battery cell.

SYSTEM AND METHOD FOR LOWERING ELECTROMAGNETIC EMISSIONS RADIATED INSIDE ENERGY STORAGE ENCLOSURES

Resumen de: AU2024352860A1

An energy storage node includes a plurality of battery modules arranged within the energy storage node and a shielding wire. Each battery module includes a plurality of sub-module assemblies having a direct current supplied via the shielding wire. The direct current enters a first battery module at a first end of the first battery module, and the shielding wire traverses a width of the first battery module such that the direct current enters a first battery cell of a first sub-module assembly. The direct current flows through the first sub-module assembly in a direction opposite from the first battery cell and through next adjacent battery cells of the first battery module. Upon exiting a last of the sub-module assemblies, the shielding wire is twisted at least one with a portion of the shielding wire located along the first traverse of the width of the first battery module.

THERMAL MANAGEMENT SYSTEM

Resumen de: AU2024316655A1

A thermal management system according to an embodiment of the present invention may comprise: a battery pack equipped with batteries; a circuit unit which is mounted on the battery pack and which controls the battery pack; and a thermoelectric element which is electrically connected to the circuit unit and which cools and heats the battery pack between the battery pack and the circuit unit.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026026039A1

The present application provides a secondary battery and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer provided on at least one side of the positive electrode current collector. The positive electrode film layer comprises first-type particles and second-type particles, wherein the first-type particles and the second-type particles comprise a lithium-containing transition metal phosphate material. The primary particle size of the first-type particles is greater than 180 nm and less than 900 nm, and the primary particle size of the second-type particles is greater than or equal to 900 nm and less than or equal to 5 μm. The average value of the molar ratio of Mn of the second-type particles is less than that of the molar ratio of Mn of the first-type particles, wherein the average value of the molar ratio of Mn of primary particles of the positive electrode film layer is 0.4-0.8, and the molar ratio of Mn refers to the proportion of the mole number of Mn to the total mole number of Mn and Fe.

PURIFIED NICKEL SOLUTIONS USING SUCCESSIVE SOLVENT EXTRACTIONS

Resumen de: WO2026029943A1

Methods of recovering a nickel salt are disclosed. The method includes removing one or more impurities from an aqueous leach solution including cobalt, manganese, and nickel salts to produce a first purified aqueous solution including the cobalt, manganese, and nickel salts. The method includes extracting the cobalt and manganese salts from the first purified aqueous solution in a first liquid-liquid extraction step using a first organic extractant to produce an aqueous raffinate solution including the nickel salt and a first loaded organic solution including the cobalt and manganese salts. The method further includes extracting the nickel salt from the aqueous raffinate solution in a second liquid-liquid extraction step using a second organic extractant to produce a second loaded organic solution including the nickel salt. Systems for recovering a nickel salt are also disclosed.

COMPOSITE

Resumen de: WO2026029622A1

Disclosed in the present specification are a composite and a heat-absorbing device, which are applied to products or devices in an abnormal state or in which the abnormal state is likely to occur, and thus can effectively respond to heat, an ignition and an explosion in the abnormal state. For example, the composite and the heat-absorbing device are applied to articles including a plurality of the products or devices, and thus can respond to abnormal heat generation, an explosion and an ignition occurring in any one device or product, and prevent or minimize propagation of the heat generation, the explosion and the ignition to other adjacent devices or products. The composite and the heat-absorbing device also exhibit excellent handling and storage stability. In addition, the present specification can provide a use of the composite and the heat-absorbing device.

COMPOSITE MATERIAL

Resumen de: WO2026029618A1

The present specification discloses a composite material and a heat absorbing device which can be applied to a product or element which is in an abnormal state or is likely to enter the abnormal state, so as to effectively respond to heat, ignition, and explosion in the abnormal state. For example, the composite material and the heat absorbing device can be applied to an article including a plurality of the products or elements, so as to respond to abnormal heat generation, explosion, and ignition that occur in one of the elements or products, and prevent or minimize the propagation of such heat generation, explosion, and ignition to other adjacent elements or products. The composite material and the heat absorbing device also exhibit excellent handling and storage stability. The present specification may also provide the use of the composite material and the heat absorbing device.

BATTERY CELL, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026025545A1

The present application relates to the field of batteries. Provided are a battery cell (1), a battery pack and an electric device. The battery cell (1) comprises a casing (10), electrode assemblies (20) and electrode terminals (30). A plurality of electrode assemblies (20) are provided and are all disposed inside the casing (10), and the plurality of electrode assemblies (20) are arranged in sequence in the axial direction of the casing (10) and are sequentially connected in series. Two electrode terminals (30) are provided and are respectively mounted at two opposite ends of the casing (10), each electrode terminal (30) being electrically connected to the electrode assembly (20) adjacent thereto. On the basis of the foregoing structure, the battery cell (1) can increase an output voltage, thereby reducing the number of battery cells (1) and connection nodes in the battery pack, decreasing the workload of node connection, improving the assembly efficiency of the battery pack, lowering the risk of poor node connection, and enhancing the overall performance and safety performance of the battery pack.

NEGATIVE ELECTRODE SHEET AND SOLID-STATE BATTERY

Resumen de: WO2026025541A1

A negative electrode sheet (10) and a solid-state battery. An annular modification layer (12) is provided in a second region (112) of a negative electrode body (11), such that when the negative electrode sheet (10) is applied to a solid-state battery, the modification layer (12) can form a certain gap in the solid-state battery, thereby facilitating the reduction in the expansion rate of the solid-state battery. In addition, the modification layer (12) can stop lithium ions diffusing from a first region (111) to the second region (112), thereby prolonging the service life of the solid-state battery.

SODIUM FERROUS SULFATE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET AND SECONDARY BATTERY

Resumen de: WO2026025534A1

The present invention relates to the technical field of secondary batteries. Provided in the present application are a sodium ferrous sulfate positive electrode material and a preparation method therefor, a positive electrode sheet and a secondary battery. The sodium ferrous sulfate positive electrode material comprises a core layer and a shell layer. The material of the core layer comprises sodium ferrous sulfate, and the material of the shell layer is a carbon material, wherein the thickness of the shell layer is 2 nm-10 nm. In addition, the Raman spectrum of the sodium ferrous sulfate positive electrode material exhibits a D peak and a G peak, the value of ID/IG being (0.8-1):1. The sodium ferrous sulfate positive electrode material provided by the present application has good electrical conductivity, higher charge-discharge specific capacity, and good electrochemical performance.

BATTERY CELL TERMINAL ALIGNMENT FIXTURE

Resumen de: AU2024301294A1

Battery cell terminal alignment fixture According to an aspect of the invention there is provided a battery cell terminal alignment fixture for aligning protruding terminals of a plurality of battery cells. The fixture comprises a first alignment component comprising a plurality of first terminal apertures and a plurality of respective associated first engagement surfaces, and a second alignment component comprising a plurality of second terminal apertures and a plurality of respective associated second engagement surfaces. Corresponding first and second terminal apertures are configured to together receive a respective battery cell terminal. The first and second alignment components are connected together in sliding relation such that sliding one of the first or second alignment components relative to the other alignment component brings corresponding first and second engagement surfaces closer together to thereby clamp a respective battery cell terminal therebetween.

OPEN POOL BATTERY MODULE WITH PERMEABLE ELECTRODES

Resumen de: AU2024293263A1

A battery module (400) that is a static, open pool single cell battery which may have electrode elements (442, 443) of the same polarity spaced apart but electrically connected in parallel to one another and suspended from a common bus into a common electrolyte pool (405), in addition to a battery box (400) that receives a plurality of electrode elements into the common electrolyte pool for the open pool battery. The electrode elements (442, 443) are alternating cathode elements (442) and anode elements (443). A method for manufacture of the battery module is also described.

BATTERY CELL WITH THERMALLY CONDUCTIVE SIDE WALLS, BATTERY MODULE ASSEMBLY, AND TOOLING ASSEMBLY

Resumen de: AU2024291513A1

Battery cells with a thermally conductive side wall, methods and tooling for forming the battery cells, and battery modules including the battery cells employ a thermally conductive adhesive to form the thermally conductive side wall. A battery cell includes an energy storing portion, a thermally conductive shell the encloses the energy storing portion, and a thermally conductive adhesive layer. The thermally conductive shell includes a base membrane and a cover membrane. The thermally conductive shell includes a perimeter portion including a perimeter portion of the cover membrane attached to a perimeter portion of the base membrane. A folded portion of the perimeter portion of the thermally conductive shell is bonded to a side surface of the thermally conductive shell via the thermally conductive adhesive to form a thermally conductive side wall of the battery cell.

BATTERY TOWER

Resumen de: AU2024301813A1

According to an aspect of the invention there is provided a battery tower comprising a plurality of cell housings stacked on top of one another. Each cell housing definiens at least one cell compartment and a cooling duct thermally coupled to the at least one cell compartment. The battery tower further comprises a cooling duct connector attached to two adjacently stacked cell housings to fluidly couple the cooling ducts of the two adjacently stacked cell housings.

COMPOSITE

Resumen de: WO2026029627A1

Disclosed in the present specification are a composite and a heat-absorbing device, which are applied to products or devices in an abnormal state or in which the abnormal state is likely to occur, and thus can effectively respond to heat, an ignition and an explosion in the abnormal state. For example, the composite and the heat-absorbing device are applied to articles including a plurality of the products or devices, and thus can respond to abnormal heat generation, an explosion and an ignition occurring in any one device or product, and prevent or minimize propagation of the heat generation, the explosion and the ignition to other adjacent devices or products. The composite and the heat-absorbing device also exhibit excellent handling and storage stability. In addition, the present specification can provide a use of the composite and the heat-absorbing device.

CURRENT COLLECTOR-INTEGRATED LARGE-AREA AND THIN-FILM LITHIUM ELECTRODE HAVING LOW SURFACE ROUGHNESS

Resumen de: WO2026029639A1

A negative electrode for a secondary battery, according to an aspect of the present invention, comprises: a substrate layer serving as a negative electrode current collector; and a lithium metal layer provided on the substrate layer and formed through an electrochemical deposition method, wherein the surface roughness of the lithium metal layer may be 5.0-10 um.

SECONDARY BATTERY AND ELECTRICAL DEVICE

Resumen de: WO2026025973A1

A secondary battery (5) and an electrical device. The secondary battery (5) comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte. The positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer disposed on at least one side of the positive electrode current collector. The positive electrode film layer comprises first-type particles and second-type particles. The first-type particles and the second-type particles comprise a lithium-containing transition-metal phosphate material. The molar fraction of Mn in the first-type particles is greater than or equal to 0.5. The average primary particle size of the second-type particles is less than the average primary particle size of the first-type particles. The average molar fraction of Mn in the second-type particles is less than the average molar fraction of Mn in the first-type particles. The molar fraction of Mn refers to the ratio of the number of moles of Mn relative to the total number of moles of Mn and Fe.

BATTERY CELL ASSEMBLY

Resumen de: WO2026029585A1

A battery cell assembly related to the present embodiment may comprise: a plurality of battery cells; a frame on which the plurality of battery cells are mounted; a lower cover coupled to a lower surface of the frame; a lower soft part which has a plurality of terminal holes provided so that terminals of the respective battery cells are individually exposed, and is interposed between the frame and the lower cover so as to be pressed and fixed to the frame and the lower cover; and a plurality of heat dissipation pads which are inserted in the terminal holes and adhered to the terminals of the battery cells, and which are provided to transfer the heat of the terminals of the respective battery cells toward the lower cover.

SOLID ELECTROLYTE, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID-STATE SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026029598A1

Disclosed is a solid electrolyte. The solid electrolyte includes at least one compound selected from compounds represented by chemical formulae 1 to 3: Chemical formula 1 Li3MO1+xH4-2z; Chemical formula 2 Li3-yM1-yM'yO1+xH4-2z; and Chemical formula 3 Li3-2yM1-yM'yO1+xH4-2z, wherein, in chemical formulae 1 to 3, x, y, z, M, M', and H are as defined in the detailed description.

BATTERY CELL AND ELECTRICAL APPARATUS

Resumen de: WO2026025496A1

Provided in the present application are a battery cell and an electrical apparatus. The battery cell comprises a positive electrode sheet, a negative electrode sheet and a separator arranged between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer arranged on the surface of at least one side of the positive electrode current collector. The positive electrode film layer comprises a positive electrode active material, the positive electrode active material comprising a lithium-containing phosphate, and the areal density of the positive electrode film layer on one surface being 0.35g/1540.25mm2 to 0.5g/1540.25mm2. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer arranged on the surface of at least one side of the negative electrode current collector, the areal density of the negative electrode film layer on one surface being 0.13g/1540.25mm2 to 0.19g/1540.25mm2. The negative electrode film layer comprises a negative electrode active material, the negative electrode active material comprising a silicon element-containing material, and the mass ratio of the silicon element to the negative electrode active material being 2% to 10%.

BATTERY CELL, BATTERY APPARATUS AND ELECTRICAL APPARATUS

Resumen de: WO2026026099A1

The present application provides a battery cell, a battery apparatus and an electrical apparatus. The battery cell of the present application comprises an electrode assembly, the electrode assembly comprising a positive electrode sheet, a negative electrode sheet and a non-aqueous electrolyte; the positive electrode sheet comprises a positive electrode current collector and a positive electrode active layer arranged thereon, the positive electrode active layer comprising a positive electrode lithium supplementing material; the non-aqueous electrolyte comprises an electrolyte additive represented by formula (I). The energy density, cycle performance and high-temperature storage performance of the battery of the present application are simultaneously improved.

BATTERY PACK, ELECTRICAL DEVICE, AND ENERGY STORAGE APPARATUS

Resumen de: WO2026026031A1

The present application relates to the technical field of batteries, and relates in particular to a battery pack, an electrical device, and an energy storage apparatus. The battery pack of the present application comprises a battery unit and a heat exchange assembly. The battery unit comprises a plurality of battery cells stacked in a first direction. The heat exchange assembly comprises at least one heat exchange unit. The heat exchange unit comprises a first heat exchange tube, a communication tube, and a second heat exchange tube, which are sequentially connected. The heat exchange unit is used for circulating a heat exchange medium. The flow directions of the heat exchange medium in the first heat exchange tube and in the second heat exchange tube are opposite to each other. The communication tube is provided separately from and connected to the first heat exchange tube and the second heat exchange tube. The battery unit separately exchanges heat with the first heat exchange tube and the second heat exchange tube of the at least one heat exchange unit. According to the battery pack of the present application, a heat exchange area between the heat exchange unit and the battery unit can be increased, thereby improving the heat exchange efficiency between the heat exchange unit and the battery unit.

CATHODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026029543A1

According to an embodiment of the present invention, there are provided a cathode for a lithium secondary battery, a manufacturing method therefor, and a lithium secondary battery comprising same. The cathode comprises a cathode mixture layer formed on one side or both sides of a cathode current collector, wherein the cathode mixture layer comprises a cathode active material and a mixed conductive material, the cathode active material comprises a carbon coating layer on the surface thereof and a lithium compound represented by chemical formula 1, and the mixed conductive material comprises a first conductive material having a specific surface area (BET) of 50 m2/g to 70 m2/g and a second conductive material having a BET of 100 m2/g to 300 m2/. Chemical formula 1 Li1+aTibMncO2-dXd In chemical formula 1, 0.1≤a≤0.5, 0.3≤b≤0.5, 0.3≤c≤0.5, 1.1≤(1+a)/(b+c)≤1.4, 0≤d≤0.2, and X is a halogen element.

CATHODE MATERIAL POWDER, AND CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026029548A1

The present invention relates to a cathode material powder comprising a cathode active material, the cathode active material comprising: a core; and a shell disposed on the surface of the core, wherein the core includes a first phosphate represented by chemical formula 1 according to the present invention, and the shell includes a second phosphate represented by chemical formula 2 according to the present invention.

PRISMATIC SECONDARY BATTERY INCLUDING PLURALITY OF ELECTRODE ASSEMBLIES

Resumen de: WO2026029539A1

The disclosed invention relates to a prismatic secondary battery accommodating an electrode assembly and an electrolyte within a metal case having a hexahedral shape. The electrode assembly is characterized by comprising a plurality of unit electrode assemblies stacked in the thickness direction.

BATTERY DEVICE

Resumen de: WO2026029465A1

The technical idea of the present invention provides a battery device comprising: a cell assembly including a plurality of battery cells; a top pad on the cell assembly; a housing including a base frame supporting the cell assembly and a top frame covering the top pad, wherein the base frame includes a plurality of venting holes; and a venting cover provided between the cell assembly and the base frame and covering the plurality of venting holes of the base frame.

NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING SAME

Resumen de: WO2026029453A1

A negative electrode material for a lithium secondary battery, according to one embodiment, comprises: a core comprising natural graphite particles coated with a coating layer comprising amorphous carbon; and conductive carbon bound to the core, wherein the linseed oil absorption is 35.0 ml/100 g or less.

CATHODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY, MANUFACTURING METHOD THEREFOR, AND CATHODE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: WO2026029430A1

The present invention relates to a cathode active material for an all-solid-state battery, comprising: a core part comprising lithium-metal oxide; and a coating part positioned on the surface of the core part and comprising an amorphous phase, wherein the amorphous phase comprises lithium oxide and titanium oxide.

ELECTRODE SHEET PROCESSING DEVICE, BATTERY PROCESSING SYSTEM, ELECTRODE SHEET PROCESSING METHOD AND BATTERY

Resumen de: WO2026026019A1

An electrode sheet processing device (100), a battery processing system (1000), an electrode sheet (2111) processing method and a battery (2000). The electrode sheet processing device (100) comprises a glue application roller (10) and a driving mechanism, wherein the driving mechanism is configured to drive the glue application roller (10) to rotate; an outer peripheral wall of the glue application roller (10) is configured to make contact with an electrode sheet (2111); and the outer peripheral wall of the glue application roller (10) comprises a glue application area (11) and a transition area (12) distributed in a circumferential direction, the glue application area (11) being provided with a glue groove (11111) for accommodating conductive glue, and the glue application area (11) being configured to allow the conductive glue to be roll-coated on the electrode sheet (2111) when making contact with the electrode sheet (2111). The electrode sheet processing device can roll-coat the conductive glue onto a bent portion of the electrode sheet, thereby improving the problem of cracking at the bent portion.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026025972A1

The present application provides a secondary battery and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer provided on at least one side of the positive electrode current collector; and the positive electrode film layer comprises lithium-containing transition metal phosphate particles having different manganese-iron molar ratios, and on the basis of the total number of moles of Mn in the lithium-containing transition metal phosphate particles, the molar fraction of Mn contributed by the lithium-containing transition metal phosphate particles having a primary particle size less than or equal to 180 nm and greater than or equal to 50 nm is less than or equal to 12% and greater than or equal to 0%. The secondary battery of the present application has both good powder compaction density and excellent storage performance.

BATTERY APPARATUS AND ELECTRIC DEVICE

Resumen de: WO2026025969A1

A battery apparatus of the present application comprises battery cells and a battery case, wherein the battery case comprises a case frame and a heat exchange plate; the case frame defines a mounting cavity; the case frame comprises a first end portion; a first opening communicated with the mounting cavity runs through the first end portion; the heat exchange plate is arranged on the side of the first end portion facing away from the mounting cavity and is used for blocking the first opening; the heat exchange plate is thermally coupled to the battery cells; the first end portion comprises a first mounting portion and a second mounting portion which are continuously arranged, the first mounting portion abuts against the heat exchange plate, the second mounting portion is spaced apart from the heat exchange plate, and the first mounting portion is located on the side of the second mounting portion close to the first opening or the first mounting portion is located on the side of the second mounting portion facing away from the first opening; a sealing slot for accommodating a sealant is formed between the second mounting portion and the heat exchange plate, at least one of the second mounting portion and the heat exchange plate is provided with a first protruding rib, and the first protruding rib protrudes towards the inside of the sealing slot. The present application can improve the sealing effect of the case frame and the heat exchange plate.

NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY NEGATIVE ELECTRODE COMPRISING SAME

Resumen de: WO2026029454A1

Disclosed is a negative electrode material for a lithium secondary battery. The negative electrode material includes spherical natural graphite and a surface layer disposed on the surface of the spherical natural graphite and containing carbon. The ratio of AR(TL) to AR(AM), i.e., AR(TL)/AR(AM) is 4.0 or less, where AR(AM) is the area ratio occupied by voids on the particle surface in a scanning electron micrograph of the negative electrode material in the size range of D50 + 0.15D50 to D50 - 0.15D50 on the basis of D50 in a volumetric cumulative particle size distribution, and AR(TL) is the area ratio occupied by voids on the particle surface in a scanning electron micrograph of the low-temperature oxidation treated negative electrode material in the size range of D50 + 0.15D50 to D50 - 0.15D50 following a low-temperature oxidation treatment carried out under condition 1: air atmosphere, TL of 600°C, heat treatment at TL temperature for 2 hours, heating rate of 5°C/min, and cooling rate of 5°C/min.

METHOD FOR WINDING ELECTRODE ASSEMBLY, ELECTRODE ASSEMBLY WOUND THEREBY, AND BATTERY CELL CONTAINING SAME

Resumen de: WO2026029442A1

Provided are: a method for winding an electrode assembly, whereby a jelly-roll may be rapidly discharged to the outside of a can when a thermal runaway occurs, thereby preventing a side rupture phenomenon of the can; an electrode assembly wound thereby; and a battery cell containing same. Outer circumferential portion winding tensions for a separator and an electrode are greater than middle portion winding tensions for the separator and the electrode, respectively, and the middle portion winding tensions for the separator and the electrode are greater than core portion winding tensions for the separator and the electrode, respectively. In the outer circumferential portion section of winding, the separator is wound with an outer circumferential portion winding tension that is greater than the winding tensions for all sections for the electrode. In the middle portion section of winding, the separator is wound with a middle portion winding tension that is greater than the core portion winding tension for the electrode. The electrode and the separator are wound, in the core portion, the middle portion, and the outer circumferential portion sections of winding, respectively, with 300 g.f. and 250 g.f., respectively, 500 g.f. and 400 g.f., respectively, and 700 g.f. and 900 g.f., respectively.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD OF SAME AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026029288A1

The present invention relates to a cathode active material for a lithium secondary battery, which is provided in the form of single particles, each comprising a nickel-containing lithium metal oxide core and a nickel-containing surface portion, wherein: the surface portion simultaneously contains nickel having an oxidation state of +2 (Ni2+) and nickel having an oxidation state of +3 (Ni3+); and, within the surface portion, at least one region having a Ni2+/Ni3+ ratio higher than that at the outermost surface of the particle exists at a location closer to the center of the particle than to the outermost surface thereof.

TEMPERATURE CONTROL DEVICE FOR HOUSEHOLD ENERGY STORAGE SYSTEM (ESS)

Resumen de: WO2026029232A1

The present invention relates to a temperature control device for a household ESS.　The present invention comprises a case accommodating a battery, a temperature control element disposed at one side of the case to control temperature according to electric current supply, and a heat dissipation unit connected to the temperature control element to dissipate heat, and can heat and cool an ESS using the temperature control element. Therefore, the present invention, even if made in a small size, can control the temperature of an ESS and thus can be utilized for household use.

SECONDARY BATTERY, ELECTRIC DEVICE, POSITIVE ELECTRODE ACTIVE MATERIAL, AND PREPARATION METHOD THEREFOR

Resumen de: WO2026025943A1

A secondary battery, an electric device, a positive electrode active material, and a preparation method therefor. The secondary battery comprises a positive electrode sheet; the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer provided on at least one surface of the positive electrode current collector; the positive electrode film layer comprises a positive electrode active material; the positive electrode active material comprises a lithium transition metal oxide; the lithium transition metal oxide comprises a nickel element and comprises at least one of a cobalt element, a manganese element and an aluminum element; based on 1 mole of the lithium transition metal oxide, the molar content of a lithium element is 1.01-1.15; and the lithium transition metal oxide further comprises a doping element, and the doping element comprises at least one of Mo, W, Ta, Nb, Sb, Ti, and Zr.

SECONDARY BATTERY, ELECTRICAL DEVICE, AND LIQUID-RETAINING MATERIAL

Resumen de: WO2026025923A1

The present disclosure provides a secondary battery, an electrical device, and a liquid-retaining material. The secondary battery comprises a liquid-retaining material and an electrolyte. The liquid-retaining material comprises a crosslinked polymer. The swelling ratio of the crosslinked polymer is 4-13, and the centrifugal electrolyte amount of the crosslinked polymer is 0.37-0.63 g/Ah. The electrolyte comprises an electrolyte in a gel and a liquid electrolyte. The secondary battery has improved liquid retention capacity, thereby reducing the likelihood of lithium plating in the battery and improving the cycling performance of the battery.

CYLINDRICAL LITHIUM-ION BATTERY AND ELECTRIC APPARATUS

Resumen de: WO2026025919A1

A cylindrical lithium-ion battery and an electric apparatus. The cylindrical lithium-ion battery comprises a casing, a jelly roll, which is placed in the casing and is electrically connected to the casing at the bottom end, and a cap correspondingly covering the top end of the jelly roll, wherein the jelly roll is further provided with a current collection sheet at the top end, so as to be electrically connected to the cap; and the current collection sheet comprises a flat portion, a bent portion and a main body portion, which are connected in sequence, the flat portion is electrically connected to the cap, the main body portion is electrically connected to an electrode end face at the top end of the jelly roll, the alternating-current internal resistance of the battery from the bent portion to the cap is set to be a first internal resistance R1, the alternating-current internal resistance of the battery from the bent portion to the bottom end of the casing is set to be a second internal resistance R2, and the first internal resistance R1 and the second internal resistance R2 satisfy: 70%≤R2/(R1+R2)≤95%. By means of performing proportional distribution on R1 and R2, the short-circuit protection function of a current collection sheet can be retained while reducing the overall internal resistance of a lithium battery, thereby achieving a balance between the low internal resistance performance of the battery and the short-circuit protection performance of tabs, and improving

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026025931A1

Provided are a secondary battery and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte; a positive electrode film layer in the positive electrode sheet comprises an iron-lithium based positive electrode active material, and a negative electrode film layer in the negative electrode sheet comprises a silicon-based material and a carbon-based material; and a solvent of the electrolyte comprises a cyclic ester solvent and a chain ester solvent. The secondary battery uses the iron-lithium based positive electrode active material, and has good cycle performance and a long service life while having relatively high energy density.

LITHIUM SECONDARY BATTERY

Resumen de: WO2026029032A1

This lithium secondary battery is provided with: a wound electrode group having a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode; a core member disposed in the hollow of the electrode group; and a nonaqueous electrolyte. The negative electrode is where lithium metal is deposited during charging and dissolved in the nonaqueous electrolyte during discharging. The core member is a resin cylindrical body having a seam.

INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, AND INFORMATION PROCESSING PROGRAM

Resumen de: WO2026028940A1

This information processing method comprises: acquiring a first use history of a first battery; acquiring a first predicted deterioration amount of the first battery by inputting the first use history into a first mathematical model; and outputting a second predicted deterioration amount of the first battery by inputting the first predicted deterioration amount and a first feature amount that is calculated from the first use history into a machine learning model.

METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY, AND APPARATUS FOR MANUFACTURING ALL-SOLID-STATE BATTERY

Resumen de: WO2026028672A1

This method for manufacturing an all-solid-state battery 1 includes: an electrode laminate formation step (S1) for forming an electrode laminate 2; a first stack body formation step (S2) for forming a first stack body 10 by arranging a first electrode laminate 2A between a first positive electrode plate 1011A and a first negative electrode plate 1012A, and arranging a second electrode laminate 2B between a second positive electrode plate 1011B and a second negative electrode plate 1012B; a press step (S3) for pressing the first stack body 10; and a charging step (S4) for charging the first electrode laminate 2A and the second electrode laminate 2B in parallel connection while maintaining the first stack body 10.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026025911A1

The present application relates to the technical field of batteries. Provided are a battery cell, a battery and an electric device. The battery cell comprises a casing, electrode terminals, a wound core and a current collector, wherein the electrode terminals are arranged on the casing; the wound core is arranged inside the casing, the axial direction of the wound core being a first direction, and the wound core having a wound core hole and tabs; and at least one end of the wound core in the first direction is provided with a current collector, which comprises a central portion and peripheral portions, the central portion connecting the peripheral portions, the central portion covering the wound core hole, and the peripheral portions being electrically connected to both the tabs and the electrode terminals. The battery cell, the battery, and the electric device provided in the present application are highly reliable.

BATTERY CASING, BATTERY, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026025881A1

An electric device, comprising a battery and a battery pack, the battery comprising: a casing, a battery cell assembly, a cover assembly, and an insulated separator. One end of the casing is provided with an opening. The battery cell assembly comprises a battery cell and a tab, the tab being conductively connected to the battery cell. The cover assembly is arranged over the opening and forms a cavity in communication with the inside of the casing. The insulated separator is arranged between the casing and the cover assembly and is provided with a passage opening, through which the tab extends into the cavity; the insulated separator is used for separating the cover assembly from the tab.

BATTERY DEVICE AND ELECTRICAL DEVICE

Resumen de: WO2026025384A1

Provided in the present application are a battery device and an electrical device. The battery device comprises a first thermal management component and battery cells. Each battery cell comprises a housing and a plurality of electrode terminals; the housing comprises a second wall and two first walls, the two first walls being arranged opposite to each other in a first direction, the second wall connecting the two first walls, and the second wall and the first thermal management component being arranged opposite to each other in a second direction and being in a thermally-conductive connection; the dimension L of the housing in the first direction satisfies: 300 mm≤L≤1600 mm, and the first direction and the second direction are perpendicular to each other; the electrode terminals comprise positive terminals and negative terminals, each first wall being provided with at least one positive terminal and at least one negative terminal; the minimum distance in the second direction between the plurality of electrode terminals on each first wall and the first thermal management component is h1, and the dimension of the housing in the second direction is H, H/5≤h1. The battery device provided in the present application can help to reduce the risk of electric leakage of the battery cells caused by contact between a coolant and the electrode terminals, such that the reliability of the battery device is improved.

BATTERY CELL, BATTERY DEVICE AND ELECTRIC DEVICE

Resumen de: WO2026025369A1

A battery cell (12), a battery device (100) and an electric device, which relate to the technical field of battery devices (100). The battery cell (12) comprises a casing (1212), an end cap (1211), an electrolyte, an electrode assembly and a blocking member (125), wherein the casing (1212) is provided with an opening. The end cap (1211) covers the opening, and the end cap (1211) and the casing (1212) are hermetically connected to form a connecting portion (126). The electrolyte is disposed in the casing (1212). The electrode assembly is disposed in the casing (1212). The blocking member (125) is connected to the end cap (1211) and the casing (1212), and the blocking member (125) is located on the side of the connecting portion (126) away from the interior of the battery cell (12) and covers the connecting portion (126). Even if the connecting portion (126) fails, since the blocking member (125) covers the connecting portion (126) on the side of the connecting portion (126) away from the interior of the battery cell (12), the blocking member (125) can play the role of blocking the electrolyte, thereby reducing the risk of leakage of the electrolyte to the outside of the battery cell (12), and thus improving the reliability of the battery cell (12).

CONTROL METHOD FOR BATTERY SLURRY PRODUCTION DEVICE, APPARATUS, ELECTRONIC DEVICE, MEDIUM, AND PRODUCT

Resumen de: WO2026025651A1

The present application discloses a control method for a battery slurry production device, an apparatus, an electronic device, a medium, and a product. The method comprises: detecting real-time operation parameters of a slurry production device, the operation parameters including a first parameter value and a second parameter value; obtaining a first deviation value on the basis of the first parameter value and a first preset threshold range; obtaining a second deviation value on the basis of the second parameter value and a second preset threshold range; and on the basis of the first deviation value and/or the second deviation value, adjusting an operation parameter of a stirring assembly and/or controlling an environmental condition inside a slurry container by means of an adjusting assembly.

BATTERY COVER AND BATTERY

Resumen de: WO2026025848A1

Provided in the present application are a battery cover (100) and a battery (200). The battery cover (100) comprises: a main body (101), wherein a pressure relief hole (102) penetrating in a thickness direction of the main body (101) is formed therein; an explosion-proof sheet (140), wherein the explosion-proof sheet (140) is connected to the main body (101), and the explosion-proof sheet (140) covers the pressure relief hole (102) and has a weak portion (130) for explosion initiation; and a temperature sensing member (120), which is attached to the explosion-proof sheet (140) and at least partially cover the weak portion (130), wherein the temperature sensing member (120) is configured such that when the temperature is greater than a predetermined value, a critical fracture pressure decreases as the temperature increases. By means of the present application, an opening force of an explosion-proof valve can be increased when a battery (200) works normally, which is beneficial to preventing the risk of a battery cover (100) being erroneously opened due to an increase in an internal pressure caused by the pressure inside the battery (200) being affected by external factors; meanwhile, the battery cover (100) can be opened in advance using a small opening force when the battery (200) is out of control, thereby helping to take away the heat of the out-of-control battery (200) earlier, alleviating or even blocking the problem of same being continuously out of control due to heat t

LITHIUM NICKEL MANGANESE OXIDE POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, AND BATTERY

Resumen de: WO2026025808A1

A lithium nickel manganese oxide positive electrode active material and a preparation method therefor, a positive electrode sheet, and a battery. An X-ray diffraction pattern of the lithium nickel manganese oxide positive electrode active material satisfies: 0.13≤Ih/Iw≤0.28, wherein Iw=I(111)+I(311)+I(400), Ih=I(331)+I(511)+I(531), I(111) is the diffraction peak intensity of a crystal plane (111), I(311) is the diffraction peak intensity of a crystal plane (311), I(400) is the diffraction peak intensity of a crystal plane (400), I(331) is the diffraction peak intensity of a crystal plane (331), I(511) is the diffraction peak intensity of a crystal plane (511), and I(531) is the diffraction peak intensity of a crystal plane (531).

GRAPHITE MATERIAL, PREPARATION METHOD FOR GRAPHITE MATERIAL, NEGATIVE ELECTRODE, SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026025846A1

A graphite material, a preparation method for a graphite material, a negative electrode, a secondary battery and an electric device. The graphite material comprises graphite particles, wherein for at least some of which, the degree of graphitization on at least one end face is lower than the degree of graphitization on the basal face.

BATTERY COOLING SYSTEM FOR NEW ENERGY VEHICLE, AND VEHICLE

Resumen de: WO2026025752A1

A battery cooling system for a new energy vehicle, and a vehicle. The battery cooling system comprises a battery (1), a coolant loop (2), a first heat exchanger (3), and a turbine cooling device (4). A water channel of the coolant loop (2) passes through the interior of the battery (1). The first heat exchanger (3) comprises an air side and a first coolant side, the first coolant side is connected in series within the coolant loop (2), an input end of the air side is connected to an output end of the turbine cooling device (4), and an output end of the air side is in communication with a cabin (5) of the vehicle.

FLOW REGULATION MEMBER, LIQUID COOLING ASSEMBLY AND ENERGY STORAGE SYSTEM

Resumen de: WO2026025646A1

Provided in the present application are a flow regulation member, a liquid cooling assembly and an energy storage system. The flow regulation member is configured to regulate the flow of liquid in a pipe; the flow regulation member comprises a flow-restricting portion and two connecting portions that are connected to each other, wherein the two connecting portions are arranged in the direction of length of the flow-restricting portion, and there is a gap between each of the two connecting portions and the flow-restricting portion; and the two connecting portions are configured to be connected to an inner peripheral surface of the pipe, and the flow-restricting portion is configured to form a channel for the liquid to flow between the flow-restricting portion and the inner peripheral surface of the pipe, the channel being in communication with the gaps.

BATTERY PACK AND ELECTRIC VEHICLE

Resumen de: WO2026025633A1

The present application relates to a battery pack and an electric vehicle. The battery pack comprises: a liquid cooling plate; a case covering the liquid cooling plate, the case and the liquid cooling plate together defining a first accommodating cavity; a fuse located in the first accommodating cavity and insulated from the liquid cooling plate; and a thermally conductive member provided between the fuse and the liquid cooling plate, wherein the fuse and the liquid cooling plate perform heat exchange by means of the thermally conductive member.

BATTERY CHARGING CONTROL METHOD AND SYSTEM, AND STORAGE MEDIUM

Resumen de: WO2026025639A1

Provided in the present application are a battery charging control method and system, and a storage medium. The method comprises: first, acquiring the current surface temperature of a battery to be tested; on the basis of a preset temperature mapping model, processing the current surface temperature to obtain a compensation temperature corresponding to the current surface temperature; on the basis of the compensation temperature and the current surface temperature, obtaining a target temperature corresponding to said battery; and on the basis of a preset rate mapping model, processing the target temperature to obtain a target charging rate corresponding to said battery, so as to control the charging of said battery.

ALUMINUM ALLOY BATTERY PACK BRACKET AND MANUFACTURING PROCESS THEREFOR

Resumen de: WO2026025586A1

The present invention relates to the technical field of aluminum alloy battery pack bracket processing, and particularly to an aluminum alloy battery pack bracket and a manufacturing process therefor. The manufacturing process comprises: stock cutting, wherein a rod is prepared; heating a die, wherein a forging die is heated; forging, wherein the rod is placed into the heated forging die, and forged into shape to prepare an aluminum alloy battery pack bracket initial product; trimming, wherein scrap edges are removed to obtain an aluminum alloy battery pack bracket intermediate product; solution and aging treatments, wherein the aluminum alloy battery pack bracket intermediate product is sequentially subjected to a solution treatment and an aging treatment to obtain an aluminum alloy battery pack bracket heat-treated product; and inspecting and packaging. In the present invention, the solution and aging treatments are optimized, and the forming stress is reduced to reduce stress failure and the size of the area of residual stress in a workpiece, ultimately reducing the degree of growth of coarse grains in a stress area. Meanwhile, the forging die solves the problem of difficulties in placing and positioning a raw material rod during the forging process, preventing the problem of folding caused by raw material rod deflection, and solving the problem of low utilization rate caused by uneven material flow in various directions.

SECONDARY FORMATION SYSTEM FOR BATTERIES AND SECONDARY FORMATION METHOD FOR BATTERIES

Resumen de: WO2026026868A1

Disclosed in the present application are a secondary formation system for batteries and a secondary formation method for batteries. The secondary formation system for batteries comprises at least: a conveying mechanism, a first transfer mechanism, a formation device, a second transfer mechanism and a sorting mechanism, wherein the conveying mechanism is configured to convey a carrying device, and the carrying device is configured for placement of a plurality of batteries; the formation device and the sorting mechanism are arranged in sequence along the conveying mechanism; and the first transfer mechanism is configured to transfer the carrying device between the conveying mechanism and the formation device, and the second transfer mechanism is configured to transfer the carrying device between the conveying mechanism and the sorting mechanism. By applying the present application, provided are a system and method for performing secondary formation on batteries, which can automatically complete first formation of the batteries and select failed batteries for secondary formation, thereby further improving the formation efficiency of the batteries. Moreover, by means of the cooperative use of dummy batteries, the problem of a formation process timing-out is avoided, thereby ensuring the quality of battery products.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026026839A1

A secondary battery (100A), comprising an electrode assembly (10), a case (70), and a first tab assembly (50). The electrode assembly (10) comprises a first electrode sheet (20), a second electrode sheet (30), and a separator (40). The electrode assembly (10) is formed by stacking the first electrode sheet (20), the separator (40) and the second electrode sheet (30) in a first direction (Z). The first direction (Z) is the thickness direction of the electrode assembly (10). The electrode assembly (10) comprises a plurality of side surfaces (11) connected in sequence, wherein one of the side surfaces (11) is a first side surface (11A), and the other of the side surfaces (11) is a second side surface (11B). The electrode assembly (10) is accommodated in the case (70). The first tab assembly (50) comprises a plurality of first tabs (51) and one second tab (52). The plurality of first tabs (51) extend from the first side surface (11A), the plurality of first tabs (51) are separately connected to the first electrode sheet (20), and the plurality of first tabs (51) are electrically connected to each other and accommodated in the case (70). The second tab (52) extends from the second side surface (11B) in a second direction (X), one end of the second tab (52) is connected to one first electrode sheet (20), and the other end of the second tab (52) extends out of the case (70). The arrangement of the first tabs (51) and the second tab (52) can improve the energy density of the secondar

SEPARATOR AND PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY DEVICE AND ELECTRIC DEVICE

Resumen de: WO2026026803A1

Provided in the present application are a separator and a preparation method therefor, a battery cell, a battery device and an electric device. The battery cell comprises: a casing; and an electrode assembly accommodated in the casing, wherein the electrode assembly comprises electrode sheets and a separator, and the electrode sheets and the separator are stacked; the separator comprises a base film and a modification layer located on at least one side of the base film; and the tortuosity of the base film ranges from 1.8 to 2.5, and the contact angle between the modification layer and an electrolyte ranges from 20° to 30°. The battery cell provided in the present application has improved cycle performance.

COATING DEVICE AND BATTERY PRODUCTION APPARATUS

Resumen de: WO2026025626A1

A coating device (100) and a battery production apparatus. The coating device (100) comprises: a coating mechanism (10), comprising a main body (11) and a binder coating member (12), the main body (11) being provided with an accommodation space (13) that penetrates in a preset direction (a), and the binder coating member (12) being arranged on at least one side of the accommodation space (13) in a direction that intersects the preset direction (a); and a moving assembly (20), which has a mounting position (21), the moving assembly (20) being movably arranged in the preset direction (a) and being configured to be able to drive a tab (201) to pass through the accommodation space (13). The binder coating member (12) comprises a first sub-member (121) and a second sub-member (122) which are respectively provided on two opposite sides of the accommodation space (13) in a direction intersecting the preset direction (a), the first sub-member (121) and the second sub-member (122) being used for respectively coating two opposite side surfaces of the tab (201) with a coating layer.

ELECTRODE MATERIAL OF LITHIUM-ION BATTERY, AND PREPARATION METHOD THEREFOR

Resumen de: WO2026025634A1

A preparation method for an electrode material of a lithium-ion battery. The preparation method comprises the steps of the preparation of an MOF material, the pretreatment of the MOF material, and a selenylation treatment, wherein the pretreatment of the MOF material is implemented by soaking the MOF material in a mixed aqueous solution of glucose and alkyl glycoside, and maintaining the temperature at 70-90°C for 0.5-1 h, wherein the mass ratio of glucose to alkyl glycoside in the mixed aqueous solution is 4:0.5-1. The uniformly dispersed cubic carbon-based electrode material prepared in the present invention effectively alleviates the volume expansion effect, has a purity of up to 99.3%, has good lithium storage performance and cycle stability, has a discharge capacity of 662 mAh g-1 after 200 charge-discharge cycles at a current density of 100 mAh g-1, exhibits stable charging and discharging performance during the cycles, has a long cycle life, and can avoid performance degradation after 1,000 cycles.

ISOSTATIC PRESSING JIG AND ISOSTATIC PRESSING DEVICE

Resumen de: WO2026025617A1

An isostatic pressing jig, comprising a mounting canister (10) and a plurality of moving plates (20). The mounting canister (10) has a mounting cavity (11) extending in a first direction, the plurality of moving plates (20) being movably located in the mounting cavity (11). Sealed cavities (30) are formed between adjacent moving plates (20) and the inner side wall of the mounting canister (10), batteries (100) being located in the sealed cavities (30), and the moving direction of the moving plates (20) being the first direction. Since the isostatic pressing jig comprises the plurality of moving plates (20), the batteries (100) can be placed between every two adjacent moving plates (20), that is, one isostatic pressing jig can clamp the multiple batteries (100), allowing for a relatively high utilization rate of the isostatic pressing jig. The present application also relates to an isostatic pressing device.

ELECTROLYTE AND ZINC/BROMINE FLOW BATTERY

Resumen de: WO2026026749A1

A zinc/bromine flow battery comprises an electrolyte. The electrolyte comprises an active substance, a supporting electrolyte, and an additive. The additive is selected from at least one of 1-ethyl-3-methylimidazolium bromide, 1-ethyl-3-methylimidazolium chloride, 1-carboxymethyl-3-methylimidazolium bromide, and 1-carboxymethyl-3-methylimidazolium chloride. The use of the additive can regulate the deposition morphology of zinc and suppress zinc dendrites, and can also inhibit the diffusion of bromine on the positive electrode side, thereby improving the coulombic efficiency of the battery. Moreover, the complex product formed by the additive complexed with bromine does not produce solids during long-term cycling, whereas the complex product of conventional MEP in the later stage of battery cycling forms solids which are unevenly distributed on the electrode surface, reducing the voltage efficiency of the battery and shortening the service life of the battery.

BATTERY PACK

Resumen de: WO2026025730A1

Disclosed in the present application is a battery pack, comprising: a case, the case being provided with a weakening structure; a battery module disposed in the case and comprising a plurality of battery cells arranged in parallel, wherein each battery cell is provided with an explosion-proof valve; and a guiding structure conducting between each explosion-proof valve and the weakening structure, wherein the guiding structure is configured to guide flue gas to the weakening structure when thermal runaway occurs in a battery cell, such that when the pressure of the flue gas exceeds the bearing capacity of the weakening structure, the weakening structure is burst open to discharge the flue gas from the case.

BATTERY CELL STACKING SYSTEM AND BATTERY PRODUCTION LINE

Resumen de: WO2026026666A1

A battery cell stacking system. The battery cell stacking system comprises a stacking assembly, battery cell conveying carriers, and a transverse movement assembly. The stacking assembly comprises stacking grippers that are movable in the Z-direction. Each battery cell conveying carrier is movably arranged between a preparation position and a working position in the X-direction, the preparation position is spaced apart from the working position in the X-direction, and the battery cell conveying carrier is used for carrying battery cells. The transverse movement assembly is used for driving the battery cell conveying carriers to move, and the transverse movement assembly and the battery cell conveying carriers synchronously move in the X-direction. The transverse movement assembly comprises positioning snap plates. The two positioning snap plates are spaced apart from each other in the Y-direction, the two positioning snap plates are capable of moving relative to each other in the Y-direction, and when each battery cell conveying carrier is located at the working position, at least some of the positioning snap plates are located above the battery cell conveying carrier. Each positioning snap plate and a corresponding battery cell conveying carrier together define an accommodating space of the battery cells. The distance between the two positioning snap plates is adjustable.

BATTERY PACK HAVING DOUBLE-LAYER STRUCTURE, SOLID-STATE LITHIUM-ION BATTERY, ELECTRIC VEHICLE

Resumen de: WO2026025615A1

The present application discloses a battery pack having a double-layer structure, a solid-state lithium-ion battery, and an electric vehicle. The battery pack having a double-layer structure comprises a lower-layer module structure, an upper-layer module structure, modules, same-layer connection copper bars, and cross-layer connection copper bars. The lower-layer module structure is divided, by a middle transverse beam and a middle longitudinal beam, into three regions for placing modules: a first region, a second region, and a third region; the first region is located on one side of the middle transverse beam, and the second region and the third region are located on the other side of the middle transverse beam and are respectively located on two sides of the middle longitudinal beam; the upper-layer module structure is divided, by a side transverse beam, into two regions for placing modules: a fourth region and a fifth region; the connection sequence of the modules in the regions is: the first region, the second region, the fifth region, the third region, and the fourth region; the first region and the second region are connected by using a same-layer connection copper bar; and the second region and the fifth region, the fifth region and the third region, the third region and the fourth region, the fourth region and the first region are all connected by using cross-layer connection copper bars, and the module in the fourth region that is close to a BDU is connected back to

RECHARGEABLE BATTERY

Resumen de: WO2026025585A1

Disclosed in the present application is a rechargeable battery, comprising: a lithium battery, which comprises a casing, a jelly roll, a first circuit board, a protective cover and a positive electrode body, wherein the first circuit board has a component side and a polarity side that are arranged opposite each other, the casing has an accommodating groove, the jelly roll is disposed in the accommodating groove, the first circuit board is disposed at an opening of the accommodating groove, with the component side facing the jelly roll, the protective cover is disposed on the component side, and the positive electrode body is disposed on the polarity side; and a charging shell, which has a charging port, a second circuit board and a terminal post. The charging shell is fixedly sleeved at one end of the lithium battery and serves as a positive terminal of the lithium battery; an external power supply is inserted into the charging port and achieves conductive connection with the lithium battery by means of the second circuit board, thereby enabling charging of the lithium battery; during use, the charging shell and the lithium battery together constitute an integrated rechargeable battery, so that not only are conventional performances of the lithium battery retained, but the problem of the lithium battery being unable to be provided with a charging port due to insufficient space is also solved; moreover, the first circuit board is arranged facing inward, which is conducive to r

CHARGING CASE

Resumen de: WO2026025583A1

Disclosed in the present application is a charging case, comprising: a case body, having a mounting slot, a charging port and a circuit board. The circuit board is arranged in the charging port, and has a positive electrode member and a negative electrode member, the positive electrode member and the negative electrode member both extending into the mounting slot. When a battery needs to be charged, one end of the battery fits into the mounting slot, so that the positive electrode member is connected to a positive electrode of the battery while the negative electrode member is connected to a negative electrode of the battery, and then an external power supply is inserted into the charging port, so that the battery is charged by means of the circuit board, the positive electrode member and the negative electrode member. After having been charged, the battery is taken out of the mounting slot. In this way, without increasing the volumes of batteries, the present application meets demands for battery charging, and thus solves the problem that the batteries cannot be provided with charging ports due to insufficient spaces, adapting to most batteries.

MODULAR HOUSING SYSTEM FOR ELECTRICAL CELL MODULES, AND A METHOD OF ASSEMBLING A MODULAR ELECTRICAL ENERGY STORAGE SYSTEM

Resumen de: AU2025205610A1

MODULAR HOUSING UNIT AND MODULAR HOUSING SYSTEM FOR ELECTRICAL CELL MODULES, AND A METHOD OF ASSEMBLING A MODULAR ELECTRICAL ENERGY STORAGE SYSTEM The invention relates to a modular housing unit and modular housing system for electrical cell modules, in particular for an electric vehicle. It also relates to a method of assembling the same. The modular housing unit supports an electrical cell module in an electric vehicle. The housing unit includes a base having an upper face; a wall circumscribing the base and extending away from the upper face to define a compartment opening; and a unit compartment within the upper face and the wall. The unit compartment is accessible through the compartment opening. The housing unit receives through the compartment opening at least one electrical cell module for mounting in the unit compartment. The wall is releasably mountable in an assembled position to a corresponding wall of a second housing unit so that, in the assembled position, the base of the second housing unit forms a closure of the compartment opening. FIG. 1A MODULAR HOUSING UNIT AND MODULAR HOUSING SYSTEM FOR ELECTRICAL CELL MODULES, AND A METHOD OF ASSEMBLING A MODULAR ELECTRICAL ENERGY STORAGE SYSTEM The invention relates to a modular housing unit and modular housing system for electrical cell modules, in particular for an electric vehicle. It also relates to a method of assembling the same. The modular housing unit supports an electrical cell module in an electric vehicle.

SUPPRESSANT MANAGEMENT

Resumen de: AU2025205135A1

SUPPRESSANT MANAGEMENT Disclosed is an electrical power storage system comprising an electrical power source enclosure and a suppressant collector. The enclosure is arranged to seal an electrical power source therein and comprises a 5 first venting aperture arranged to allow venting of gas generated by the electrical power source when undergoing an over-heating event to outside of the enclosure. The first venting aperture is provided through an enclosure side wall of the enclosure. The suppressant collector is arranged outside of the enclosure and to collect a part of a volume of liquid suppressant when released into the enclosure, the part of the volume of suppressant leaving the enclosure via the first venting aperture. The suppressant collector comprises an exit 10 aperture providing an exit from the suppressant collector, where the exit aperture is at a higher level than the first venting aperture. Figure 4. SUPPRESSANT MANAGEMENT Disclosed is an electrical power storage system comprising an electrical power source enclosure and a 5 suppressant collector. The enclosure is arranged to seal an electrical power source therein and comprises a first venting aperture arranged to allow venting of gas generated by the electrical power source when undergoing an over-heating event to outside of the enclosure. The first venting aperture is provided through an enclosure side wall of the enclosure. The suppressant collector is arranged outside of the enclosure and to collect a part of

ENERGY STORAGE SYSTEM AND CONTROL METHOD THEREFOR

Resumen de: WO2026025767A1

The present application relates to the technical field of energy storage. Specifically disclosed are an energy storage system and a control method therefor. The energy storage system comprises a plurality of branches. The control method for the energy storage system comprises: acquiring a power-on request; in response to the power-on request, acquiring state information of all battery clusters on each branch, wherein the state information at least comprises an internal sampling voltage; and for any branch, on the basis of the state information of all the battery clusters on the branch, sending a power-on instruction to one of the battery clusters on the branch or to a plurality of voltage-equalized battery clusters on the branch, wherein the power-on instruction is used for instructing the corresponding battery cluster to execute a power-on operation. By means of the control method of the present invention, there is one battery cluster or a plurality of voltage-equalized battery clusters on each branch to implement a power-on process, such that all the branches can be powered on. Compared with the relevant art in which some branches cannot be powered on, the control method can increase the external discharge capacity of the energy storage system. Moreover, the possibility of the battery clusters on the branches being damaged due to the generation of a circulating current on the branches can be reduced.

THERMAL MANAGEMENT APPARATUS, BATTERY MODULE, AND ELECTRIC DEVICE

Resumen de: WO2026025712A1

The present application provides a thermal management apparatus, a battery module, and an electric device. The thermal management apparatus comprises: a heat conductor, applied to fill a gap among a plurality of batteries; and a heater, comprising a heating portion, wherein the heating portion is embedded into the heat conductor.

BATTERY CELL, ELECTRODE ASSEMBLY, WINDING NEEDLE, BATTERY, AND ELECTRICAL DEVICE

Resumen de: WO2026026326A1

Provided are a battery cell (100), an electrode assembly (20), a winding needle (2), a battery (1000), and an electrical device. The battery cell (100) comprises a housing (10) and the electrode assembly (20). The electrode assembly (20) is disposed within the housing (10), and the electrode assembly (20) comprises a wound electrode sheet (21). The electrode sheet (21) comprises a first main body section (201) and a second main body section (202) connected along the winding direction. The second main body section (202) is arranged around the first main body section (201). The first main body section (201) is provided with a protrusion-recess structure (2011). The battery cell (100) has improved reliability.

BATTERY, POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, AND ELECTRIC DEVICE

Resumen de: WO2026026317A1

A positive electrode active material comprises a substrate and a coating layer provided on the surface of the substrate. The chemical formula of the substrate is Ax1M1y1N1z1O2, wherein the element A comprises at least one of Na and Li, the element M1 comprises at least one transition metal element, the element N1 comprises at least one non-transition metal element, 0.5≤x1≤1, 0≤y1≤1, and 0≤z1≤1. The chemical formula of the coating layer is Ax2M2y2N2z2O2, wherein the element M2 comprises at least one transition metal element, the element N2 comprises at least one non-transition metal element, 0.5≤x2≤1, 0≤y2≤1, and 0≤z2≤1. The greater bond energy among the bond energies between the element M1 and oxygen and between the element N1 and oxygen is the first bond energy; the greater bond energy among the bond energies between the element M2 and oxygen and between the element N2 and oxygen is the second bond energy; and the second bond energy is greater than the first bond energy. The binding force of the metal to oxygen in the coating layer is stronger, such that the reaction between an electrolyte and the coating layer can be effectively reduced, thereby improving the cycle life of a battery.

RECHARGEABLE BATTERY

Resumen de: WO2026025584A1

Disclosed in the present application is a rechargeable battery, comprising: a lithium battery, which comprises a casing, a jelly roll, a first circuit board, a protective cover and a positive electrode body, the first circuit board having an element side and a polarity side which are arranged opposite to each other, the casing having an accommodation recess, and the element side facing the jelly roll; and a charging sleeve, which comprises a sleeve body, the sleeve body being provided with a mounting recess, a charging port and a second circuit board. When the lithium battery needs to be charged, one end of the lithium battery is clamped into the mounting recess, such that a positive electrode member is connected to the positive electrode body of the lithium battery, a negative electrode member is connected to the casing of the lithium battery, and an external power supply is plugged to the charging port so as to charge the lithium battery by means of the cooperation of the second circuit board, the positive electrode member, the negative electrode member, the positive electrode body and the first circuit board; and after the charging is completed, the lithium battery can be taken out from the mounting recess. Thus, the present application satisfies the charging demand of lithium batteries without increasing the size of lithium batteries, thus solving the problem that lithium batteries cannot be provided with charging ports due to insufficient space, and being applicable to m

SILICON COMPOSITE NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE SHEET, AND BATTERY

Resumen de: WO2026025597A1

A silicon composite negative electrode material, a negative electrode sheet, and a battery. The silicon composite negative electrode material comprises an inner core (1), an intermediate layer (2), and an outer shell (3) in sequence, wherein the inner core (1) is silicon particles; the intermediate layer (2) is a fluorine-doped carbon layer; the outer shell (3) is a conductive polymer layer; and the mass proportion of fluorine in the silicon composite negative electrode material is 0.4-1.5%. Coating the surfaces of the silicon particles with the fluorine-doped carbon layer can effectively alleviate mechanical stress generated by volume expansion accompanying the intercalation of lithium into silicon particles, thereby improving the structural stability of the silicon composite negative electrode material. Moreover, fluorine doped in the carbon layer can form LiF with lithium ions, resulting in the formation of a stable SEI film rich in LiF on the negative electrode side. Further coating the surface of the fluorine-doped carbon layer with the conductive polymer layer can further optimize the conductivity and structural stability of the silicon composite negative electrode material, thereby ensuring that a battery containing the silicon composite negative electrode material has good cycling performance and high-rate fast charging performance.

SILICON-BASED NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE SHEET, AND BATTERY

Resumen de: WO2026025599A1

The present application provides a silicon-based negative electrode material, a negative electrode sheet, and a battery. The silicon-based negative electrode material comprises a core and a shell covering the core, the core comprises non-metal-doped silicon, and the shell comprises a conductive metal carbon layer; in the non-metal-doped silicon, the non-metal comprises B; and in the conductive metal carbon layer, the conductive metal carbon comprises at least one of Ti3C2(OH)2 and Ti3AlC2.

SILICON NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE SHEET, AND BATTERY

Resumen de: WO2026025598A1

The present application provides a silicon negative electrode material, a negative electrode, and a battery. The silicon negative electrode material comprises an inner core and an outer shell covering the inner core, wherein the inner core comprises metal-doped silicon, and the outer shell comprises a conductive polymer; the mass proportion of a metal element in the silicon negative electrode material is 0.3-1%; and the metal element comprises at least one of germanium and tin.

RECHARGEABLE BATTERY USING IRON NEGATIVE ELECTRODE AND MANGANESE OXIDE POSITIVE ELECTRODE

Resumen de: AU2026200341A1

Abstract Materials, designs, and methods of fabrication for iron-manganese oxide electrochemical cells are disclosed. In various embodiments, the negative electrode is comprised of pelletized, briquetted, or pressed iron-bearing components, including metallic iron or iron-based compounds (oxides, hydroxides, sulfides, or combinations thereof), collectively called “iron negative electrode.” In various embodiments, the positive electrode is comprised of pelletized, briquetted, or pressed manganese-bearing components, including manganese (IV) oxide (MnO2), manganese (III) oxide (Mn2O3), manganese (III) oxyhydroxide (MnOOH), manganese (II) oxide (MnO), manganese (II) hydroxide (Mn(OH)2), or combinations thereof, collectively called “manganese oxide positive electrode.” In various embodiments, electrolyte is comprised of aqueous alkali metal hydroxide including lithium hydroxide (LiOH), sodium hydroxide (NaOH), potassium hydroxide (KOH), cesium hydroxide (CsOH), or combinations thereof. In various embodiments, battery components are assembled in prismatic configuration or cylindrical configuration. Abstract an b s t r a c t a n

BATTERY PACK SEALING PLATE AND MANUFACTURING METHOD THEREFOR, TRAY, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026026651A1

Disclosed is an electric device, comprising a battery pack, the battery pack comprising a battery pack sealing plate or a battery pack tray, which comprises the battery pack sealing plate. Further disclosed is a manufacturing method for the battery pack sealing plate. The battery pack sealing plate comprises: a first protective layer and a second protective layer, which are stacked on one another; and a first reinforcing layer and a second reinforcing layer, which are arranged between the first protective layer and the second protective layer, wherein the second reinforcing layer extends in the circumferential direction of the first reinforcing layer, and the strength of the first reinforcing layer is different from that of the second reinforcing layer.

BATTERY CELL CONFIGURED FOR BUOYANCY-INDUCED ELECTROLYTE CIRCULATION, AND METHOD OF PREVENTING THERMAL RUNAWAY OF A BATTERY CELL

Resumen de: WO2026030312A1

A battery cell configured for buoyancy-induced electrolyte circulation includes battery cell components including a first electrode on a first current collector, a second electrode on a second current collector, the first electrode facing the second electrode, and a separator between the first electrode and the second electrode. The battery cell also includes an electrolyte. A hydraulic permeability of one or more of the components is sufficient for flow of the electrolyte through the respective component(s). Also or alternatively, one or more of the components includes in-plane channels, out-of-plane channels, and/or perforations configured to promote formation of electrolyte circulation loops within the battery cell during charging or discharging. A method of preventing thermal runaway of a battery cell is also described.

BMS MANUFACTURING SYSTEM, BMS MANUFACTURING METHOD, AND BATTERY MANUFACTURING SYSTEM

Resumen de: WO2026029515A1

According to some embodiments, a battery management system (BMS) manufacturing system comprises: a coating device configured to apply a coating material to a BMS circuit including circuit components mounted on a circuit board; a curing device configured to irradiate the surface of the BMS circuit with curing light to cure the coating material; and a test device configured to perform a functional test of the BMS circuit to cause the BMS circuit to generate heat in order to thermally treat a portion of the coating material that is not exposed to the curing light.

POSITIVE ELECTRODE SHEET AND BATTERY

Resumen de: WO2026026568A1

The present application provides a positive electrode sheet and a battery. The positive electrode sheet comprises a positive electrode current collector and a positive electrode coating located on the surface of one side of the positive electrode current collector, the positive electrode coating containing a positive electrode active material; the positive electrode coating comprises a first coating and a second coating located between the first coating and the positive electrode current collector; the positive electrode active material in the first coating comprises secondary particles, and the positive electrode active material in the second coating comprises primary particles; the particle diameters D90, D50, and D10 of the positive electrode active material in the first coating satisfy 1.6≤(D90-D10)/D50≤1.95; and the particle sizes D60 and D10 of the positive electrode active material in the second coating satisfy 3.7≤D60/D10≤4.2. The present application can both reduce battery impedance and improve battery capacity and other performance.

SODIUM-ION BATTERY POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, MANGANESE-CONTAINING OXIDE, SODIUM-ION BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026026545A1

A sodium-ion battery positive electrode material and a preparation method therefor, a manganese-containing oxide, a sodium-ion battery, and an electric device. When an XRD pattern of the sodium-ion battery positive electrode material comprises a first diffraction peak α at a diffraction angle 2θ of 15.5°-16.5°, a second diffraction peak β at a diffraction angle 2θ of 32.0°-33.0°, and a third diffraction peak ω at a diffraction angle 2θ of 37°-38.5°, the sodium-ion battery positive electrode material has higher initial efficiency, cycle and rate properties than a sodium-ion battery positive electrode material that does not comprise the three characteristic peaks.

CURRENT COLLECTOR AND PREPARATION METHOD THEREFOR, ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026026277A1

Disclosed are a current collector and a preparation method therefor, an electrode sheet, a secondary battery, and an electric device. The current collector comprises an electroplated copper foil. Under test conditions of a temperature of 10-30°C, a sample length × width of (50±0.25 mm)×(15±0.25 mm), and a stretching speed of 50±0.5 mm/min, the yield-strength ratio of the copper foil is 0.55-0.75, and the elongation at break thereof is 5.5-7.5%. The current collector comprises the electroplated copper foil, which has good tensile and elongation properties, and thus, the bending resistance of the copper foil is significantly improved, such that copper foil fractures during the winding process of the electrode sheet can be reduced or avoided, thereby reducing the potential safety hazard of a secondary battery.

BATTERY CELL AND ELECTRICAL DEVICE

Resumen de: WO2026025590A1

The present application provides a battery cell and an electrical device. The battery cell comprises: a positive electrode plate, a negative electrode plate, and a separator provided between the positive electrode plate and the negative electrode plate. The positive electrode plate comprises a positive electrode current collector and a positive electrode film layer provided on the surface of at least one side of the positive electrode current collector. The positive electrode film layer comprises a positive electrode active material. The positive electrode active material comprises a lithium-containing phosphate, and the areal density of the positive electrode film layer on a single side is 0.35g/1540.25mm2 to 0.5g/1540.25mm2. The negative electrode plate comprises a negative electrode current collector and a negative electrode film layer provided on the surface of at least one side of the negative electrode current collector. The areal density of the negative electrode film layer on a single side is 0.13g/1540.25mm2 to 0.19g/1540.25mm 2. The negative electrode film layer comprises a negative electrode active material. The negative electrode active material comprises a material containing a silicon element, and the silicon element accounts for 2% to 10% by mass of the negative electrode active material.

LITHIUM BATTERY

Resumen de: WO2026025582A1

A lithium battery, comprises: a casing (101), a jelly roll (102), a circuit board (103), a protective cover (104) and a positive electrode body (105), wherein the circuit board (103) has a component side (1031) and a polarity side (1032) that are arranged opposite each other; the casing (101) has an accommodating cavity (1011); the jelly roll (102) is disposed in the accommodating cavity (1011); the circuit board (103) is disposed at an opening of the accommodating cavity (1011), with the component side (1031) facing the jelly roll (102); the protective cover (104) is disposed on the component side (1031); and the positive electrode body (105) is disposed on the polarity side (1032). Electronic components are concentrated on the component side (1031) of the circuit board (103), the component side (1031) faces the jelly roll (102), and the protective cover (104) protects the component side (1031) and prevents electrolyte infiltration and damage to the electronic components; a positive terminal of the jelly roll (102) is connected to the circuit board (103) by means of the protective cover (104), and is then led out by the positive electrode body (105), which functions as a positive electrode, and the casing (101) is connected to a negative terminal of the jelly roll (102) to serve as a negative electrode; and the component side (1031) of the circuit board (103) is arranged facing inward, so that the space inside the accommodating cavity (1011) can be fully utilized, thereby so

BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026025546A1

The present application relates to the field of batteries. Provided are a battery pack and an electric device. The battery pack comprises a battery cell (10) and a case (20), wherein the battery cell (10) is provided with a ventilation pipe assembly (11), and first air ducts (111) are formed in an intra-pipe space of the ventilation pipe assembly (11); and the case (20) comprises two end plates (21), the two end plates (21) are respectively provided at two opposite ends of the battery cell (10), and second air ducts (211) in communication with the first air ducts (111) in manner of corresponding thereto on a one-to-one basis run through the end plates (21). With the above-described structure, the heat dissipation performance of the battery pack can be improved, the phenomenon of unbalanced heat in the middle and at the edge of the battery cell (10) can be mitigated, and the phenomenon of local overheating of the battery cell (10) can be reduced, such that the use reliability and use safety of the battery pack and the battery cell (10) thereof can be improved, the service life of the battery pack and the battery cell (10) thereof can be prolonged, and the risk of thermal runaway of the battery pack and the battery cell (10) thereof can be lowered.

POSITIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY, MANUFACTURING METHOD THEREOF, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: WO2026029533A1

The present invention relates to a positive electrode for an all-solid-state battery, a manufacturing method thereof, and an all-solid-state battery comprising same. More specifically, by introducing a positive electrode active material layer manufactured by integrating a first positive electrode active material layer and a second positive electrode active material layer having different compositions into a positive electrode for an all-solid-state battery, it is possible to implement a high-loading positive electrode while reducing a concentration gradient of components in the positive electrode, thereby preventing deterioration of battery performance.

SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2026029524A1

The present invention relates to a secondary battery and a manufacturing method therefor. A current collecting plate according to the present invention has a predetermined portion of some foil tabs positioned on the upper side of the end in a bending direction, and the predetermined portion corresponds to a range of a blank region. In the foil tabs of which a predetermined portion is positioned on the upper side of the current collecting plate, the predetermined portion and/or a portion positioned on the lower side of the current collecting plate are melted and integrated with, by means of welding, a portion of the current collecting plate. In the present invention, an electrode assembly positioned below the blank region can be prevented from being affected during welding. Therefore, a separator and the like of the electrode assembly are prevented from being damaged during welding.

SECONDARY BATTERY, BATTERY MODULE HAVING SAME, AND METHOD OF MANUFACTURING SAME

Resumen de: WO2026029513A1

Disclosed are: a secondary battery in which a current collecting plate and an electrode terminal are joined outside an accommodation can; and a method of manufacturing same. The secondary battery comprises: the accommodation can, which includes a bottom plate having a through hole and a terminal unit which is fixed to the bottom plate so as to be inserted into the through hole and has a terminal hole in a central portion; a cylindrical electrode assembly which is accommodated in the accommodation can and stores electrochemical energy, and in which a core cavity is positioned in a central portion; and the current collecting plate which is joined to one end of the electrode assembly so as to be exposed to the outside of the accommodation can via the terminal hole, and has a chamfered surface along the circumference of the terminal hole, wherein the terminal unit and the current collecting plate are joined by a welding bead that is positioned lower than the terminal unit and inside a welding recess defined by the chamfered surface and the inner surface of the terminal hole.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Resumen de: WO2026029480A1

The present invention relates to a secondary battery and a method for manufacturing same. A current collector plate according to the present invention includes a main body portion having a thickness T1 and a stepped portion formed at the end of the main body portion in a bending direction and having a thickness T2. The thickness T1 of the main body portion and the thickness T2 of the stepped portion are different from each other. The thickness of the stepped portion or the output of a welding device can be adjusted for welding the current collector plate to a foil tab. According to the present invention, it is possible to prevent an electrode assembly located below a blank area from being affected during a welding process. Therefore, it is possible to prevent, for example, a separator of the electrode assembly from being damaged during the welding process.

BATTERY, BATTERY MODULE, AND BATTERY PACK

Resumen de: WO2026026426A1

The present application relates to the technical field of batteries, and discloses a battery, a battery module, and a battery pack. The battery of the present application comprises an encapsulation film and an electrode assembly. A recess is formed on at least one side of the symmetry line of the encapsulation film, the distance between the side of the recess facing the symmetry line and the symmetry line is d, and 0 mm≤d≤10 mm. An appropriate value of d can ensure the integrity and sealing performance of the encapsulation film structure. In addition, after hot-press encapsulation of the encapsulation film, the electrode assembly is surrounded by a range between the symmetry line and the edge of the recess, the encapsulation film in an encapsulation region occupies a certain space, and an appropriate value of d allows for the control of the space occupied by the encapsulation region, thereby effectively ensuring the space utilization of the battery and improving the volumetric energy density of the battery. In the structure, the value of d in the battery is appropriate and matches the thickness of the battery, ensuring the integrity and sealing performance of the encapsulation film structure, and facilitating improvement of the space utilization and volumetric energy density of the battery.

TAB STRUCTURE AND WELDING TOOL

Resumen de: WO2026026265A1

Provided in the present application are a tab structure and a welding tool. The tab structure comprises a plurality of tab units stacked and pre-welded together. The tab structure comprises a first end face and a second end face arranged opposite each other, wherein the first end face is configured to be connected to a welding head; the second end face is connected to a welding platform; the difference value between the highest point and the lowest point of a metallographic section of the first end face in a first direction is H1; and the difference value between the highest point and the lowest point of a metallographic section of the second end face in the first direction is H2, where H1≤H2.

BATTERY CELL, BATTERY DEVICE, AND ELECTRICAL DEVICE

Resumen de: WO2026026253A1

The present disclosure discloses a battery cell, a battery device, and an electrical device, relating to the technical field of batteries. The battery cell comprises: a housing, an electrode assembly, a pole, and a clamping member. The housing encloses and defines an accommodation cavity. The electrode assembly is installed in the accommodation cavity. The electrode assembly comprises at least two layers of electrode sheets from which a tab extends. A portion of the pole is located in the accommodation cavity at a position corresponding to the tab, and another portion thereof passes through the housing and extends to the exterior of the housing. The clamping member is clamped onto the tab, and a side of the clamping member away from the tab is connected to the pole to electrically connect the tab to the pole. The battery cell provided by the present disclosure is configured to provide voltage and capacity.

SOLID-STATE ELECTROLYTE MEMBRANE AND SOLID-STATE BATTERY

Resumen de: WO2026025542A1

The present application relates to the technical field of batteries, and provides a solid-state electrolyte membrane and a solid-state battery having the solid-state electrolyte membrane. In the solid-state electrolyte membrane provided in the present application, by means of providing in a first edge region of a first surface and/or a second edge region of a second surface an annular protrusion part that can form a certain gap in a solid-state battery, an accommodating space can be provided for a negative electrode sheet having an increased thickness in use, helping to reduce the expansion rate of the solid-state battery.

BATTERY DEVICE AND ELECTRIC DEVICE

Resumen de: WO2026025386A1

A battery device (100) and an electric device, belonging to the technical field of batteries. The battery device (100) comprises a case (11), a first mounting beam (14), a second mounting beam (15), a battery cell (12) assembly and a heat exchange member (13), wherein the first mounting beam (14) and the second mounting beam (15) are arranged spaced apart from each other in the case (11) and form a battery compartment together with the case (11); the battery cell (12) assembly is disposed in the battery compartment and comprises a first end plate (16), a second end plate (17), and a plurality of battery cells (12) disposed between the first end plate (16) and the second end plate (17), the first end plate (16) and the second end plate (17) being respectively connected to the first mounting beam (14) and the second mounting beam (15); the heat exchange member (13) is disposed in the battery compartment, and exchanges heat and is fitted with the battery cell (12) assembly, and the heat exchange member (13) comprises an inlet-outlet portion (131); and an open slot is formed on the side of the first mounting beam (14) close to the position on a wall of the case (11) where the heat exchange member (13) is disposed, an opening of the open slot faces the wall, the side of the first mounting beam (14) facing away from the opening is connected to the first end plate (16), and the inlet-outlet portion (131) passes through the open slot. The battery device (100) has relatively high reli

BATTERY DEVICE AND ELECTRIC APPARATUS

Resumen de: WO2026025381A1

A battery device (100) and an electric apparatus. The battery device (100) comprises a case (10), a first expansion beam (20), a first battery cell (31) and a first electrical component (41). The first expansion beam (20) is disposed in the case (10) and divides the internal space of the case (10) into a first battery compartment (11) and a first electrical compartment (12); the first battery cell (31) is disposed in the first battery compartment (11) and cooperates with the first expansion beam (20); and the first electrical component (41) is disposed in the first electrical compartment (12) and is electrically connected to the first battery cell (31). The first expansion beam (20) comprises a first beam (21) and a second beam (22) connected at an included angle, wherein a first mounting space (23) is formed between the first beam (21) and the second beam (22), the first mounting space (23) is located in the first electrical compartment (12), and the first electrical component (41) is at least partially mounted on the first expansion beam (20) and is accommodated in the first mounting space (23). By means of the above-described technical solution, the energy density of the battery device (100) can be improved.

SECONDARY BATTERY, AND BATTERY MODULE, BATTERY PACK AND TRANSPORTATION MEANS COMPRISING SAME

Resumen de: WO2026029506A1

A secondary battery according to one aspect of the present invention comprises: a case; a plurality of electrode assemblies, each being accommodated in the case and including a first electrode, a separator and a second electrode; a plurality of first electrode tabs coupled to the first electrode; a plurality of second electrode tabs coupled to the second electrode; a first current collector plate coupled to the plurality of first electrode tabs; a second current collector plate coupled to the plurality of second electrode tabs; and a cap assembly which seals the case and which has a first terminal and a second terminal connected, respectively, to the first current collector plate and the second current collector plate, wherein the first electrode tabs of each of a pair of adjacent electrode assemblies from among the plurality of electrode assemblies can be tilted in opposite directions.

LITHIUM METAL SECONDARY BATTERY

Resumen de: WO2026029473A1

The present invention relates to a lithium metal secondary battery in which side reactions and generation of by-products at an interface of a lithium metal negative electrode are suppressed and electrochemical properties and lifespan properties are improved. The lithium metal secondary battery comprises: a positive electrode including a positive electrode active material layer; a negative electrode including a lithium metal layer; a separator including a porous separator substrate and an active layer formed only on one surface of the porous separator substrate facing the positive electrode, the active layer including inorganic oxide particles having a dielectric constant of 5 or higher and a polymer binder; and an electrolyte, wherein the active layer of the separator may be in contact with the positive electrode active material layer, and the lithium metal layer may be in contact with the porous separator substrate.

COOLING PLATE HAVING MULTIPLE MINI-CHANNELS

Resumen de: WO2026029472A1

This cooling plate assembly comprises a first plate having a first protruding manifold portion and a plurality of protruding cooling fluid passages. Each of the protruding cooling fluid passages comprises a first elongated portion extending parallel from the first protruding manifold portion and directly from the first protruding manifold portion to a U-turn bent region. The U-turn bent region connects a second elongated portion to the first elongated portion. The second elongated portion includes an end portion having a land region between the end portion and the protruding manifold portion. The second plate is attached to the outer periphery of the first plate and the land of the first plate. The second plate includes a plurality of penetration openings overlapping with one end portion of the plurality of protruding cooling fluid passages, respectively. A manifold plate is fixed to the second plate and defines a second protruding manifold portion that overlaps with the plurality of openings of the second plate.

SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Resumen de: WO2026029523A1

The present invention relates to a secondary battery and a manufacturing method thereof. A current collector plate according to the present invention includes a main body part and an accommodation part formed at an end of the main body part in a bending direction. A predetermined portion of a foil tab is welded to the current collector plate while accommodated in the accommodation part, and the predetermined portion of the foil tab is melted and integrated with a portion of the main body part and at least a portion of the accommodation part by welding. According to the present invention, it is possible to prevent an electrode assembly located below a blank area from being affected during a welding process. Therefore, it is possible to prevent a separator of the electrode assembly from being damaged during the welding process.

HIGH-PERFORMANCE NATURAL GRAPHITE NEGATIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: WO2026026206A1

Disclosed are a high-performance natural graphite negative electrode material, a preparation method therefor, and a use thereof. In the negative electrode material of the present invention, a uniform and thin amorphous carbon layer coated on surfaces of each curled flake graphite layer inside the natural graphite in a core can prevent organic molecules in an electrolyte from penetrating into spherical graphite during charging and discharging to generate a new SEI film, thereby preventing delamination of the curled graphite layers inside the spherical graphite; sulfonated graphene in the inner shell has good flexibility, which can alleviate the volume expansion of natural graphite during charging and discharging, improving the cycling performance of natural graphite up to 1500 cycles. An outermost amorphous carbon layer can reduce the specific surface area of the inner sulfonated graphene, preventing reduction of first-cycle efficiency of a lithium-ion battery caused by the graphene coating. In the natural graphite negative electrode material of the present invention, the amorphous carbon layer is uniform and thin, and does not reduce the tapped density and gravimetric capacity of the anode material.

ELECTROLYTE ADDITIVE FOR SECONDARY BATTERY AND USE THEREOF

Resumen de: WO2026026194A1

An electrolyte additive and a use thereof. The electrolyte additive comprises a compound having the structure shown in formula 1, where X and Y are each independently selected from (II) or (III), and R1 and R2 are each independently selected from a single bond, substituted or unsubstituted -CH2-, and substituted or unsubstituted -CH2-CH2-.

ELECTROLYTE ADDITIVE FOR SECONDARY BATTERY AND USE THEREOF

Resumen de: WO2026026193A1

An electrolyte additive and a use thereof. The electrolyte additive comprises a compound having the structure shown in formula 1, where X and Y are each independently selected from formula (II); and R is selected from an alkyl or haloalkyl group having 1-5 carbon atoms.

SODIUM-ION BATTERY ELECTROLYTE, AND SODIUM-ION BATTERY USING SECONDARY ELECTROLYTE INJECTION PROCESS AND PREPARATION METHOD THEREFOR

Resumen de: WO2026026108A1

A sodium-ion battery electrolyte, and a sodium-ion battery using a secondary electrolyte-injection process and a preparation method therefor. The sodium-ion battery electrolyte comprises a primary electrolyte and a secondary electrolyte, and the primary electrolyte comprises a first organic solvent, a sodium salt and a first additive; the first organic solvent is propylene carbonate, and the concentration of the sodium salt in the primary electrolyte is 2-6 wt.%; the second electrolyte comprises a second organic solvent, a sodium salt and a second additive; and the content of propylene carbonate in the second organic solvent is not less than 70 wt.%, the concentration of the sodium salt in the secondary electrolyte is 30-60 wt.%, and the second additive contains fluoroethylene carbonate. The primary electrolyte has good wettability to an electrode sheet, and the boiling point of propylene carbonate is relatively high, so that the thermal stability of the electrolyte can be effectively improved; and an electrolyte with relatively high sodium salt concentration is used as the secondary electrolyte to ensure the conductivity, and the sodium ion battery obtained by secondary electrolyte injection has relatively good cycle stability and high-temperature stability.

BATTERY CELL, BATTERY DEVICE, AND ELECTRIC APPARATUS

Resumen de: WO2026025358A1

The present application provides a battery cell, a battery device, and an electric apparatus. The battery cell of the present application comprises a positive electrode sheet, a negative electrode sheet, and a non-aqueous electrolyte; the positive electrode sheet comprises a positive electrode current collector and a positive electrode active layer located on at least one side surface of the positive electrode current collector, and the positive electrode active layer comprises a positive electrode lithium-supplementing material; the non-aqueous electrolyte comprises an electrolyte additive, and the electrolyte additive comprises one or more of a substituted or unsubstituted 5-12-membered aromatic heterocyclic organic base additive, and a substituted or unsubstituted 5-12-membered aliphatic heterocyclic organic base additive. The energy density, cycle performance and high-temperature storage performance of the battery of the present application can be improved at the same time.

SODIUM SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026025216A1

The present application provides a sodium secondary battery and an electric device. The sodium secondary battery comprises a positive electrode sheet, a negative electrode sheet, and a separator disposed between the positive electrode sheet and the negative electrode sheet, wherein the separator comprises a sodium reactant.

SODIUM MANGANESE BORATE TERNARY GLASSES, METHOD FOR OBTAINING SAME, AND USES THEREOF AS POSITIVE ELECTRODE ACTIVE MATERIALS

Resumen de: EP4686708A1

La présente invention concerne des verres ternaires de borate de manganèse sodiés, ainsi que leur procédé d'obtention. L'invention vise également la préparation et l'utilisation desdits verres en tant que matériaux actifs d'électrodes positives, en particulier d'accumulateurs métal-ion, ainsi que lesdits matériaux actifs et électrodes per se.

SECONDARY BATTERY, SECONDARY BATTERY MANUFACTURING DEVICE AND SECONDARY BATTERY MANUFACTURING METHOD USING THE SAME

Resumen de: EP4687190A1

A secondary battery according to an exemplary embodiment of the present disclosure includes an electrode assembly including separators stacked to enclose each of a plurality of electrode plates disposed therein; and a separator coupling part disposed on one side of the electrode assembly to support the separators, wherein the separator coupling part includes an internal coupling part disposed on an inner side of an edge of the separator to couple at least partial regions of the separators that face each other.

BATTERY MANAGEMENT DEVICE FOR SOFTWARE-DEFINED VEHICLE

Resumen de: EP4686599A1

A battery management according to an embodiment of this document may include at least one slave device and a master device including a communication circuit and a control circuit. The communication circuit may transmit battery data received from each of the at least one slave device to an external electronic device, and receive a control command according to a processing result of the battery data from the external electronic device. The control circuit may control a switching unit that connects the external electronic device and the battery based on the received control command.

BIPOLAR BATTERY AND METHOD OF PRODUCING RECYCLED MATERIAL

Resumen de: EP4687193A1

A bipolar battery comprises bipolar electrodes (10) and a sealing material (30). The bipolar electrodes (10) are stacked in a perpendicular-to-plane direction. In the perpendicular-to-plane direction, each of the bipolar electrodes (10) includes a positive electrode layer (11), a current-collecting foil sheet (13), and a negative electrode layer (12) in this order. In an in-plane direction, the current-collecting foil sheet (13) extends outwardly beyond the positive electrode layer (11) and the negative electrode layer (12). At an end in the in-plane direction, the sealing material (30) is attached to the current-collecting foil sheet (13) to seal interstices between the current-collecting foil sheets (13) that are adjacent to each other in the perpendicular-to-plane direction. The sealing material (30) includes a first resin layer (31) and a second resin layer (32) in the perpendicular-to-plane direction. A relationship of "Tm₂<Tm₁<Tm₀" is satisfied. "Tm₀" represents a melting point of the current-collecting foil sheet (13). "Tm₁" represents a melting point of the first resin layer (31). "Tm₂" represents a melting point of the second resin layer (32).

CELL BRACKET, METHOD FOR MANUFACTURING CELL BRACKET, AND BATTERY PACK

Resumen de: EP4687206A1

A cell bracket (1), a method for preparing the cell bracket, and a battery pack (1000) are provided. The cell bracket (1) includes a substrate (10) and a coating layer (30) wrapped around the substrate (10). The substrate (10) is made of glass fiber or carbon fiber. The coating layer (30) includes a resin component (300). The substrate (10) is provided with first pressure relief holes (110), and the resin component (300) is provided with second pressure relief holes (310). The first pressure relief holes (110) overlap with the second pressure relief holes (310) to form pressure relief holes (410) configured to support cylindrical cells.

BATTERY SYSTEM

Resumen de: EP4687194A2

A battery system (10) is disclosed. The battery system (10) comprising: an electric device (11, 12, 80) configured to be thermally controlled by a circulation of a thermal fluid (18); a thermal management system (16, 16', 16") configured to circulate the thermal fluid (18) to at least the electric device (11, 12, 80); and a thermal fluid water separator assembly (20) disposed in the thermal management system (16, 16', 16") and having a media (46) configured to separate a water from the thermal fluid (18), the water separated from the thermal fluid (18) by the thermal fluid water separator assembly (20) being a separated water, wherein the thermal fluid water separator assembly (20) is further configured to collect the separated water and accommodate a selective removal of the separated water from the thermal fluid water separator assembly (20).

ELECTRODE AND SECONDARY BATTERY

Resumen de: EP4687184A1

An electrode, including a substrate, a tab having a first side joined to one surface of the substrate and a second side extending away from the substrate, the first side and the second side being opposite each other along a longitudinal direction of the tab, and a metal layer on the substrate and covering at least a portion of the tab, the metal layer including a metallic material.

COMBINER CABINET AND ENERGY STORAGE SYSTEM

Resumen de: EP4687202A1

A combiner cabinet and an energy storage system are provided. The combiner cabinet includes a cabinet body (10), a cabinet door (11), and an electrical component assembly (14) mounted inside the cabinet body (10). The electrical component assembly (14) includes a positive electrode part (70), a negative electrode part (80), and a control part (100). The positive electrode part (70) is electrically connected to a positive output terminal of an external high-voltage box and a positive electrode of a battery pack. The negative electrode part (80) is electrically connected to a negative output terminal of the external high-voltage box and a negative electrode of the battery pack. The control part (100) is electrically connected to a communication signal terminal of the external high-voltage box. The control part (100) and the positive electrode part (70) are arranged along a length direction or a width direction of the combiner cabinet.

BATTERY PACK AND ENERGY STORAGE APPARATUS

Resumen de: EP4687211A1

This application provides a battery pack and an energy storage apparatus. The battery pack includes a housing, and a battery module, a plurality of busbars, and an insulated first isolation tape that are accommodated in the housing. The battery module includes a plurality of cells arranged in a length direction of the battery pack, the plurality of busbars are disposed on a surface on which poles of the plurality of cells are located, two adjacent cells in the plurality of cells are electrically connected via one of the plurality of busbars, and the first isolation tape extends in the length direction of the battery pack and covers a surface that is of the plurality of busbars and that is away from the plurality of cells. There is a gap between the first isolation tape and pressure relief valves of the plurality of cells in a direction in which the poles and the pressure relief valves are spaced from each other. This application resolves a problem that a short circuit occurs in a cell on which thermal runaway occurs and a surrounding cell because of a failure, caused by a high temperature, in designed insulation in a thermal runaway process of the pack. This leads to sparks, thermal runaway diffusion, and short-circuited melt-through of a box body of the pack, and finally leads to fire and explosion of the pack.

RECHARGEABLE LITHIUM BATTERY MODULE

Resumen de: EP4687196A1

The present disclosure relates to a rechargeable lithium battery module including two or more cell structures and a polymer-metal composite film between the cell structures, wherein the polymer-metal composite film includes a polymer film; and metal coating layers on both surfaces of the polymer film, and the polymer-metal composite film is exposed longer than the cell structure in a height direction or a width direction of the cell structure.

BATTERY AND BATTERY MONITORING METHOD

Resumen de: EP4687199A1

The present disclosure provides a battery. The battery includes a case formed of a conductive material, a sensing member attached to one surface of the case and including a conductor formed of a conductive material and a dielectric having at least a part thereof disposed between the case and the conductor, and a monitoring circuit electrically connected to the conductor and the case, wherein the monitoring circuit may monitor whether the battery is deformed based on an amount of change in a capacitance formed between the conductor and the one surface of the case.

SERIES-CONNECTED BATTERY PACK SYSTEM AND METHOD FOR EQUALIZING THE SAME

Resumen de: EP4687246A1

A series-connected battery pack system includes a control circuit configured to: enter an equalization state when it is determined that a SOC difference between any battery packs is greater than a preset difference; determine a first voltage value of a first battery pack having a highest SOC value and a second voltage value of a second battery pack having a lowest SOC value; when the first and second voltage values meet a first condition, control the first battery pack to charge the second battery pack; enter a next equalization cycle when it is determine that real-time SOC values of all battery packs meet a second condition; and terminate the equalization state when it is determined that the SOC difference is less than or equal to the preset difference. Time required for equalization between battery packs may be reduced, and balancing effectiveness and an energy utilization rate may be improved.

BATTERY MODULE AND METHOD OF MANUFACTURING THE SAME

Resumen de: EP4687205A1

A battery module includes a cell assembly including a first battery cell that includes a first electrode lead and a second battery cell that includes a second electrode lead, a busbar assembly including a support plate including a plurality of through-holes, and a busbar electrically connected to the first electrode lead and the second electrode lead, the first electrode lead and the second electrode lead overlapped each other, and a sensing terminal coupled to at least one of the first electrode lead or the second electrode lead. The first electrode lead and the second electrode lead are welded to each other at a first weld region to establish electrical connection. The sensing terminal is welded to at least one of the first electrode lead or the second electrode lead at a second weld region to establish electrical connection.

ACQUISITION ASSEMBLY, BATTERY MODULE, AND BATTERY BOX

Resumen de: EP4687191A1

Provided are an acquisition assembly, a battery module, and a battery box. The acquisition assembly includes an insulation support (2), an acquisition wire (3), a flexible printed circuit, FPC, acquisition board (4), and a connector (5). The FPC acquisition board (4) includes an FPC acquisition body (41), a connecting portion (42), and a redundant part (43). The FPC acquisition body (41) is fixedly connected to the top of an expansion beam. The end of the acquisition wire (3) is connected to the FPC acquisition body (41). The connecting portion (42) is connected to the connector (5). Two ends of the redundant part (43) are connected to the FPC acquisition body (41) and the connecting portion (42), respectively. The connector (5) is connected to a battery management system, BMS, slave board.

BATTERY PACK

Resumen de: EP4687207A1

A battery pack including multiple cells (100), a housing (200), and a support structure (1) is provided. Each cell has a cell explosion-proof valve (110), and the surface where the cell explosion-proof valve (110) of each cell is located is defined as a first cell end surface (120). The cells (100) are all disposed in the housing (200). The support structure (1) is at least partially disposed between an inner surface of the housing (200) and the cells (100) to define an exhaust channel (300) between the support structure (1) and the inner surface of the housing (200). The cells (100) are disposed on the support structure (1), and the first cell end surface (120) faces the support structure (1). A sidewall of the support structure (1) near the first cell end surface (120) is provided with an adhesive storage groove (12).

ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4687180A1

Disclosed are electrolytes and rechargeable lithium batteries. The electrolyte includes a non-aqueous organic solvent, a lithium salt, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2. A rechargeable lithium battery includes: a positive electrode that includes a positive electrode active material; a negative electrode that includes a negative electrode active material; and the electrolyte described herein.

APPARATUS AND METHOD FOR MANUFACTURING ELECTRODE PLATE OF SECONDARY BATTERY INCLUDING DRYING UNIT

Resumen de: EP4687176A1

An apparatus for manufacturing an electrode plate of a secondary battery includes: a coating unit configured to coat an electrode material onto a substrate to form an electrode plate; a roll pressing unit configured to compress the electrode plate; and a drying unit configured to dry the electrode plate. The drying unit includes a dryer configured to selectively apply heat from a heat source and/or heat of hot wind to dry the electrode plate.

ELECTRODE LAYER AND BATTERY

Resumen de: EP4687182A1

An electrode layer that an increase in resistance which is due to charging and discharging is small, the electrode layer comprises an electrode active material, a solid electrolyte containing a halogen element, and at least one solvent component, and a product (AB) where (A) is a % by mass of the solvent component in the electrode layer and (B) is a δP value of Hansen Solubility Parameters (HSP) of the solvent component, is less than 3.6832.

BATTERY MANAGEMENT SYSTEM CAPABLE OF SUPPORTING PLURALITY OF SECONDARY BATTERY MODULES

Resumen de: EP4687192A1

The present disclosure relates to a battery management system (BMS) for managing a secondary battery, and to a method capable of supporting various types of applications and cell types with one BMS. To this end, the present disclosure provides a BMS that may include general-purpose input/output (GPIO) ports connected to a secondary battery module, a plurality of module support programs configured to support a plurality of secondary battery module types and various cell types, a configuration information designation port configured to designate configuration information of the module support program and included in the GPIO ports, and a module support unit configured to detect a state of the configuration information designation port to recognize a type of the secondary battery module and a cell type and retrieve the module support program corresponding to the type and the cell type to manage the secondary battery module.

CONNECTION STRUCTURE FOR BATTERY CELLS AND BATTERY MODULE THEREOF

Resumen de: EP4687189A1

This invention provides a connection structure for battery cells (10) and battery module (60) thereof. The connection structure includes two blade terminals (20), two fixing supports (30) and an elastic terminal (40). The blade terminal (20) includes a fixing portion (201) and a connecting portion (202). After the electrical outputs (12) of the battery cells (10) are welded to the fixing portions (201) and clamped by the fixing supports (30), the connecting portions (202) of the blade terminals (20) are exposed between the two fixing supports (30). The elastic terminal (40) is utilized to clamp the connecting portions (202) to enhance the contact and electrical connection relationship therebetween. It can easily assemble or separate the battery cells (10), via this detachable fixation, without damaging the battery cell structure during assembly or maintenance. Therefore, it is convenient to replace or reuse battery cells (10) without incurring additional processing costs.

BATTERY CASE, BATTERY PACK, AND METHOD OF MANUFACTURING BATTERY CASE

Resumen de: EP4687188A1

A battery case, a battery pack including the battery case, and a method of manufacturing the battery case are disclosed. The battery case is a battery case that accommodates a plurality of battery cells, and may include a first case including a hook and a second case including a hook hole into which the hook is inserted when the first and second cases are fastened together. The second case may include a support part that supports the hook after the hook is inserted into the hook hole.

SECONDARY BATTERY CHARGING AND DISCHARGING DEVICE

Resumen de: EP4687259A1

A secondary battery charging and discharging device includes: a first measurement part (100) including: a first base portion (110); a first current probe (120) joined to the first base portion (110), and to contact a first terminal (11) of a secondary battery (10); and a temperature probe (130) joined to the first base portion (110), spaced from the first current probe (120) at an interval, and to measure a temperature of the secondary battery (10); and a second measurement part (200) facing the first measurement part (100) with the secondary battery (10) therebetween, and including: a second base portion (210); and a second current probe (220) joined to the second base portion (210), and to contact a second terminal (12) of the secondary battery (10). The first current probe (120) and the second current probe (220) are adapted to charge the secondary battery (10).

BATTERY PACK

Resumen de: EP4687183A1

A battery pack for powering a power tool includes: a housing including a tool interface detachably coupled to the power tool; a terminal assembly electrically connected to the power tool; and a battery unit including a positive electrode plate, where the positive electrode plate includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material is lithium iron manganese phosphate. The energy density of the battery pack is greater than or equal to 50 Wh/kg. The capacity loss of the battery pack is less than or equal to 15% after one thousand charge-discharge cycles are performed at room temperature, where each of the charge-discharge cycles is defined as the process in which the battery pack is discharged from a full voltage to a cut-off voltage and is charged from the cut-off voltage to the full voltage.

A battery module for an electrical energy storage device for a motor vehicle, an electrical energy storage device, and a method

Resumen de: GB2642998A

A battery module 10, for an electrical energy storage device 12 of a motor vehicle, comprises several energy storage elements 14, a pressure supply device 28, by which the energy storage elements 14 are capable of being pressurized or are pressurized, and at least one spring element 16, which is arranged between two adjacent energy storage elements 14 and is capable of being displaced from a normal position 18 (as shown), in which the spring element 16 is in a compressed state, to a safety position (20, figure 2) by a reduction of the pressurization of the energy storage elements 14 caused by the pressure supply device 28. Preferably, the pressure supply device 28 is controlled to activate the safety position in response to the temperature measured by a temperature sensor 24 exceeding a particular value. The energy storage elements 14 are preferably provided between a pair of end plates 32,34, with pressure being applied to at least one of these plates. Preferably a mechanical metal spring is used for the spring element(s) 16, and multiple springs are used.

A battery module for an electrical energy storage device for a motor vehicle, an electrical energy storage device, and a method

Resumen de: GB2642995A

A battery module 10, for an electrical energy storage device 12 of a motor vehicle, comprises several energy storage elements 14, a pressure supply device 28, by which the energy storage elements 14 are capable of being pressurized or are pressurized, and a coupling element 16, wherein the energy storage elements 14 are coupled to each other via the coupling element 16. The coupling element 16 is designed as a string 17 capable of being deformed from a normal state 18 (as shown) to a stretched state (20, figure 3) where the distance between the energy storage elements 14 increases alongside a reduction of the pressurization of the energy storage elements 14 caused by the pressure supply device 28. Preferably, the pressure supply device 28 is controlled to reduce the applied pressure in response to the temperature measured by a temperature sensor 24 exceeding a particular value. The energy storage elements 14 are preferably provided between a pair of end plates 32,34, with pressure being applied to at least one of these plates. The coupling element 16 preferably acts as an electrical conductor that is heat and fire resistant.

Electrolyte composition

Resumen de: GB2642943A

An electrolyte composition for a lithium-ion battery, the composition comprising: (a) 18-35 wt% of lithium salt; (b) 1-25 wt% of solvent additive; and (c) 45-80 wt% of solvent. The total amount of (a), (b) and (c) is less than or equal to 100 wt% of the electrolyte composition. The lithium salt comprises lithium bis(fluorosulfonyl)imide (LiFSI), lithium 4,5-dicyano-2-(trifluoromethyl)imidazole (LiTDI) and lithium difluoro(oxalato)borate (LiDFOB). The solvent additive comprises one or more fluorinated and/or unsaturated carbonate compounds, such as fluoroethylene carbonate (FEC), vinylene carbonate (VC) or trifluoro-propylene carbonate (TFPC); and is preferably a mixture of FEC and VC. The solvent comprises a cyclic carbonate, such as ethylene carbonate (EC) or propylene carbonate (PC), or preferably a mixture of EC and PC solvents. The lithium salt may comprise 65-85 wt% LiFSI, 0.1-25 wt% LiTDI and 0.1-25 wt% LiDFOB, based on the total amount of lithium salt. The lithium salt may further include lithium hexfluorophosphate (LiPF6) or lithium bis(oxalate)borate (LiBOB). The solvent additive may further include organosilicon or succinonitrile in an amount up to 5 wt% based on the total amount of electrolyte composition.

COLLECTION DEVICE, COLLECTION SYSTEM AND BATTERY HOUSING

Resumen de: EP4687210A1

A collection device (100) for an immersion cooled battery, in particular a traction battery of a motor vehicle, is configured to be mounted to a battery housing (60) and comprises a base body (10) comprising a fluid inlet (11), a fluid outlet (13) for discharging a fluid escaping from the battery, and a fluid passage (22) extending between the fluid inlet (11) and the fluid outlet (13), the base body (10) surrounding an interior space (28), and a liquid absorbing material (30) disposed in at least part of the interior space (28).

THERMAL BARRIER SHEET

Resumen de: EP4687195A1

A thermal barrier component (1, 1') for battery packs having a plurality of battery cells (2, 2'), the thermal barrier component (1, 1') comprises a sheet (3) of thermally insulating material and/or thermally resistant material; the sheet (3) comprises a first cover section (4) dimensioned to cover a first side surface of the battery cell (2, 2'), a second cover section (5) dimensioned to cover a second side surface of the battery cell (2, 2'), a first fold line (51) connecting the first cover section (4) and the second cover section (5), and a first interlocking section (6) connected by a second fold line (61) to the second cover section (5) of the sheet (3) opposite the first fold line (51), wherein the first cover section (4, 4') comprises an interlocking opening (42, 42') corresponding to the dimensions of the first interlocking section (6); wherein the sheet (3) is foldable along the first fold line (51) and the second fold line (61) such that in a folded and mounted state the sheet (3) is placed around the battery cell to cover the first side surface and the second side surface of the battery cell, and wherein the first interlocking section (6) of the thermal barrier component (1) fits into the corresponding opening (42') in the first cover section (4') of a neighbouring thermal barrier component (1') folded around a neighbouring battery cell (2').

A battery module for an electrical energy storage device of a motor vehicle, an electrical energy storage device and a method

Resumen de: GB2642987A

A battery module 10, for an electrical energy storage device 12 of a motor vehicle, comprises storage elements 14, such as battery cells, an expandable material 16 between adjacent storage elements 14, and an activation device 18, such as a pneumatic system or a linear motor, that, when activated, increases the volume of the expandable material 16, to increase the distance between storage elements 14. The storage elements 14 can be positioned between end plates 22, 24 which can pressurise the storage elements 14, and the volume of the intermediate material 16 can be increased by reducing the pressurisation of the storage elements 14. The module 10 may have a temperature sensor 34 and an electronic computing device 36, thereby allowing the activation device 18 to enable an increase in volume of the expandable material as a function of temperature, to move the storage elements apart when the battery module becomes hot to reduce the likelihood of thermal runaway. Also disclosed is a method of operating a battery module 10 for an electrical energy storage device 12 of a motor vehicle.

Battery decoupling method

Resumen de: GB2643028A

A method of decoupling a first component 102 of a battery assembly 100 from a second component 104, wherein the inner surfaces 112, 116 of the components are joined using an adhesive 106 and wherein the method comprises applying a heating element 108 to an outer surface of one of the components and increasing the temperature such that the temperature of the adhesive also increases. The heating may be done electrically. The heating element may be a heater mat and may be sized such that a length 118 and width 120 of the heating element is at least the same as a length and width of one of the components. The temperature of the adhesive may be increased to 60 - 130 ºC or 30 - 90 ºC. The heating duration may be 30 - 3600 seconds. The element may comprise a component temperature sensor (202, Fig. 2) and a controller (204, Fig. 2) to set the operating temperature of the element and alter it automatically in response to the sensed temperature. Further components may be joined by adhesive in a stack. After detaching a component, the heating element may be applied to the top of the new topmost component.

A CATHODE MATERIAL OF COMPOSITE CARBON-COATED LITHIUM MANGANESE IRON PHOSPHATE, PREPARATION METHOD, AND USE THEREOF

Resumen de: EP4686699A1

A cathode material of composite carbon-coated lithium manganese iron phosphate, preparation method, and use thereof are disclosed. The method includes steps: (1) by a coprecipitation reaction of a mixed bimetallic solution containing manganese and iron salts with an oxalic solution, and then filtering, washing and drying, to obtain a manganese iron oxalate precursor; and (2) the manganese iron oxalate precursor is mixed with a lithium source and carbon sources, and then grinding, spray drying, sintering and pulverizing, to obtain the cathode material of lithium manganese iron phosphate. This method has advantages of simple process, easy industrialized large-scale production, good economic benefits, low manufacturing cost, etc., which can effectively improve the charging/discharging specific capacity of the cathode material of lithium manganese iron phosphate. Moreover, this method also can solve the problems of poor electronic conductivity and low lithium-ion diffusion rate by coating lithium manganese iron phosphate with the composite carbon sources.

METHOD FOR PRODUCING AN ELECTROCHEMICAL ENERGY STORAGE ELEMENT

Resumen de: EP4687187A1

Es werden ein Verfahren zur Herstellung eines elektrochemischen Energiespeicherelements (100) in Form einer zylindrischen Rundzelle mit einem Gehäuse aus einem Becher (10) und einem Deckel (30) und ein gemäß dem Verfahren herstellbares Energiespeicherelement (100) vorgeschlagen. Das Verfahren umfasst die folgenden Verfahrensschritte: Zunächst wird ein metallischer Becher (10) mit einem Becherboden (11), einer umlaufenden Becherwandung (12) und einer Becheröffnung (13) bereitgestellt. Die Becherwandung (12) untergliedert sich in Längsrichtung in einen ersten Abschnitt (14) und einen zweiten Abschnitt (15). Der erste Abschnitt (14) erstreckt sich zwischen der Becheröffnung (13) und dem zweiten Abschnitt (15). Der zweite Abschnitt (15) erstreckt sich zwischen dem ersten Abschnitt (14) und dem Becherboden (11). Die Wandstärke der Becherwandung in dem ersten Abschnitt (14) ist größer als die Wandstärke der Becherwandung in dem zweiten Abschnitt (15). Weiterhin ist der Außendurchmesser der Becherwandung in dem ersten Abschnitt (14) größer als der Außendurchmesser der Becherwandung in dem zweiten Abschnitt (15). In den inneren Bereich des Bechers (10), der von dem zweiten Abschnitt (15) der Becherwandung umgeben ist, werden elektrochemische Komponenten (20) eingefügt. Weiterhin umfasst das Verfahren eine weitergehende Montage des elektrochemischen Energiespeicherelements. Erfindungsgemäß erfolgt nach dem Einfügen von elektrochemischen Komponenten (20) in den inner

APPARATUS FOR ROLL-PRESSING AN ELECTRODE PLATE OF A SECONDARY BATTERY, AND APPARATUS AND METHOD FOR MANUFACTURING A SECONDARY BATTERY USING THE SAME

Resumen de: EP4687177A2

An apparatus for roll-pressing an electrode plate of a secondary battery includes: a first-stage press roller and a second-stage press roller configured to sequentially roll-press the electrode plate. A surface of the first-stage press roller configured to contact the electrode plate has a first roughness, and a surface of the second-stage press roller configured to contact the electrode plate has a second roughness.

METHOD FOR BATTERY DERATING PROTECTION, ELECTRONIC DEVICE, AND STORAGE MEDIUM

Resumen de: EP4687256A1

Provided are a method for battery derating protection, an electronic device, and a storage medium. In the method, application stages of a to-be-tested battery are correspondingly adjusted based on decline of a state of health of the to-be-tested battery (101, 201); in the case where the to-be-tested battery is in a beginning of life stage or a middle of life stage, a state-of-charge usage interval of the to-be-tested battery is set to an initial usage interval (102, 202); in the case where the to-be-tested battery transitions from the middle of life stage to an end of life stage, the state-of-charge usage interval is narrowed to a limited usage interval (103, 203); in the case where the to-be-tested battery transitions from the safety of life stage to the hazard of life stage, the to-be-tested battery is forcibly discharged to the lower limit of the limited usage interval (104, 204); after completing forced discharge, the state-of-charge usage interval of the to-be-tested battery is set to a single value (105, 205).

Battery assembly for a transportation vehicle

Resumen de: US20260011846A1

The disclosure provides a battery assembly. The battery assembly includes an intersection node assembly. The intersection node assembly includes an intersection node body, an inner surface of the intersection node body that forms a hollow interior, and a plurality of openings in the intersection node body, where the plurality of openings are in fluid communication with the hollow interior. The battery assembly includes a plurality of stiffener assemblies. The stiffener assemblies include a stiffener body, an inner surface of the stiffener body that forms a hollow channel through the stiffener body, wherein the hollow channel is in fluid communication with a respective opening in the plurality of openings of the intersection node body, and at least one battery.

Storage battery inspection device and storage battery inspection method

Resumen de: TW202501017A

A storage battery inspection device (10) comprises: a power storage control circuit (11) for applying an alternating current to a storage battery (31); a magnetic sensor (12) for sensing a magnetic field outside the storage battery (31); a calculation unit (76) for calculating an alternating current flowing through the storage battery (31) on the basis of the sensing result from the magnetic sensor (12); and a correction unit (77) for calculating one or more vectors (Iabnormal, Inormal) on a complex plane representing the alternating current flowing through the storage battery (31) on the basis of the calculation result from the calculation unit (76), calculating one or more projection vectors (I'abnormal, I'normal) obtained by projecting the calculated one or more vectors (Iabnormal, Inormal) onto a predetermined straight line on the complex plane, and outputting a correction signal indicating the magnitude of the calculated one or more projection vectors (I'abnormal, I'normal).

Casimir power cell

Resumen de: AU2024285430A1

A battery includes a Casimir-effect powered cell (Casimir cell). The Casimir cell includes a first conductive wall; a second conductive wall that faces the first conductive wall; and a conductive antenna disposed in a cavity gap that is a space between the first conductive wall and the second conductive wall. The conductive antennal faces the first conductive wall and the second conductive wall. The first conductive wall and the second conductive wall produce a same first voltage potential. The conductive antenna produces a second voltage potential that is different from the first voltage potential. A voltage that is the difference between the first voltage potential and the second voltage potential is generated by Casimir phenomenon based on arrangement of the conductive antenna between the first conductive wall and the second conductive wall.

Method of manufacture of an electrolyte precursor

Resumen de: AU2024302261A1

Provided herein are compositions and methods of manufacturing compositions useful in producing battery electrolyte precursors and battery electrolytes.

Process for manufacturing a porous electrode, and battery containing such an electrode

Resumen de: TW202510381A

The present invention relates to a porous electrode that can be used in electrical energy storage or production devices, such as a lithium-ion battery. This porous electrode is a porous layer comprising at least one electrode active material P and an oxide electronic conductor material.

High voltage battery architecture

Resumen de: NZ821469A

A system and a method for an aircraft battery management. The battery management system detects a potential crash from aircraft movement data, detects current loss in low voltage wire, and blows a high voltage battery pack fuse to disconnect the supply.

Procédé de fabrication d’une électrode positive traitée pour batterie

Resumen de: FR3165105A1

La présente invention concerne un procédé de fabrication d’une électrode positive traitée pour batterie comprenant les étapes suivantes : a) mélanger au moins un matériau actif pour électrode positive, au moins un liant avec au moins une solution comprenant au moins un sel de lithium comprenant du bore et du fluor; b) déposer sur un support le mélange obtenu à l’issue de l’étape a) ; c) appliquer sur ledit mélange : i) au moins une solution comprenant au moins un composé C comprenant au moins un atome d’azote et au moins un groupement polymérisable ; ou ii) un polymère issu de la polymérisation d’un composé C comprenant au moins un atome d’azote et au moins un groupement polymérisable ; d) lorsque i) est réalisée, polymériser ledit composé C.

Holder assembly for electric toothbrush and electric toothbrush

Resumen de: NZ810581A

A holder assembly (100) for an electric toothbrush and an electric toothbrush. The holder assembly (100) includes: a holder body (110) and an elastic cushioning member (130). The holder body includes a main body portion (111) and a connection structure (114) connected to each other; the connection structure (114) includes an insertion mating portion (115). The elastic cushioning member (130) includes a mounting cylinder (131); the mounting cylinder (131) includes a motor cushioning portion (133); the motor cushioning portion (133) and the insertion mating portion (115) are insertion-connected and fixed in an axial direction of the mounting cylinder (131). The motor cushioning portion (133) includes a peripheral cushioning surface (134) and an axial cushioning surface (135); the insertion mating portion (115) includes a peripheral mating surface (116) and an axial mating surface (117), the peripheral mating surface (116) abuts against and is mated with the peripheral cushioning surface (134) around the axial direction, and the axial mating surface (117) abuts against and is mated with the axial cushioning surface (135) around the axial direction. The insertion mating portion (115) comprises a plurality of insertion protrusions (118) spaced along a peripheral direction of the mounting cylinder (131). A first insertion slot (119) is defined between each adjacent two of the plurality of insertion protrusions (118). Bottom walls of a plurality of the first insertion slots (119) an

Battery pack and production method for same

Resumen de: NZ761688A

The present invention reduces obstruction of the floating function of a connector by a lead wire. A battery pack (100) that comprises: a connector holder (20) that is fixed such that a second main surface faces the inside of an outer case (40); a floating connector that is connected to a center portion of the connector holder (20) in a floating state in which the attitude of the floating connector can change up, down, right, and left, that is connected at an exposed surface that is exposed from the outer case (40) to an apparatus to which power is to be supplied, and that is for supplying power to the apparatus to which power is to be supplied; and a lead wire (50) that is fixed to an inside surface of the floating connector, the inside surface being on the reverse side from the exposed surface, that extends into the outer case (40), and that connects the floating connector and a circuit board. On the second main surface side, the connector holder (20) has a guide cylinder (26) that surrounds the lead wire (50). A terminal edge of the guide cylinder (26) is shaped like a circle that has a notched part (27) that has a greater radius of curvature than the circle.

Battery module

Resumen de: NZ761684A

According to the present invention, lead plates are reliably connected to protruding electrodes, and potting resin is prevented from flowing into discharge ports of the protruding electrodes. According to the present invention, a plurality of batteries 1 are arranged in fixed positions by a battery holder. Lead plates 3 are connected to protruding electrodes 11 of the batteries 1 and thermally bonded by a potting resin 13. The battery holder has outer peripheral cover parts 21 that have electrode windows 24 that expose the protruding electrodes 11. The lead plates 3 have flat parts 31 that have local connection recesses 32 at which protruding surfaces 33 protrude into the electrode windows 24 toward the protruding electrodes 11. First two-sided tape 4 is stuck between outer peripheral edge parts of the batteries 1 and the outer peripheral cover parts 21 of the battery holder. Second two-sided tape 5 is stuck between the outer peripheral cover parts 21 of the battery holder and the flat parts 31 of the lead plates 3. Sealing labels 6 are stuck at the flat parts 31 of the lead plates 3 to close the openings of the connection recesses 32 and thereby block the potting resin 13 from flowing into discharge ports that are provided in the protruding electrodes 11.

ÉLECTROLYTE SOLIDE COMPRENANT UN REVÊTEMENT MÉTALLIQUE ET PROCÉDÉS DE FABRICATION D'UN TEL ÉLECTROLYTE SOLIDE

Resumen de: CH721993A2

L'invention se rapporte à un électrolyte solide comprenant un substrat réalisé dans un matériau d'électrolyte solide, ledit substrat présentant une première face et une deuxième face, caractérisé en ce que l'électrolyte solide comprend en outre un revêtement métallique disposé sur au moins une partie de la première face et/ou sur au moins une partie de la deuxième face du substrat. L'invention se rapporte également à une batterie tout-solide comprenant ledit électrolyte solide, et à un procédé de fabrication dudit électrolyte solide.

Paquete de baterías

Resumen de: DE202025106874U1

Ein Batteriepack, dadurch gekennzeichnet, dass es umfasst:ein erstes Batteriemodul (200), die mehrere in einer ersten Richtung (X) nacheinander angeordnete erste Batteriezellen (210) umfasst; wobei zwischen jeden zwei benachbarten ersten Batteriezellen (210) ein erster Spalt (220) vorhanden ist; undeinen ersten Längsträger (110), der an einer Seite des ersten Batteriemoduls (200) entlang einer zweiten Richtung (Y) angeordnet ist; wobei der erste Längsträger (110) einen ersten Sammelkanal (111), einen ersten Einlass (112), und mehrere erste Auslässe (113) aufweist; der erste Sammelkanal (111) jeweils mit dem ersten Einlass (112) und den mehreren ersten Auslässen (113) in Kommunikation steht; der erste Sammelkanal (111) sich entlang der ersten Richtung (X) erstreckt, und die mehreren ersten Auslässe (113) beabstandet entlang der ersten Richtung (X) angeordnet; jeder erste Auslass (113) mit mindestens einem entsprechenden ersten Spalt (220) in Kommunikation steht; wobei die zweite Richtung (Y) die erste Richtung (X) schneidet.

전해액 첨가제, 전해액 및 전기화학 디바이스

Resumen de: WO2026011852A1

Provided are an electrolyte additive, an electrolyte, and an electrochemical device. The electrolyte additive comprises a compound represented by formula 1 and a compound represented by formula 2, wherein the compound represented by formula 2 is selected from at least one of a compound represented by formula 2-A and a compound represented by formula 2-B. By means of the above configuration, the compound represented by formula 1 and the compound represented by formula 2 are used in combination as the electrolyte additive, which is beneficial to forming a stable solid electrolyte interface film at a negative electrode interface and beneficial to forming a stable positive electrode electrolyte interface film at a positive electrode interface, thereby improving the stability of the positive electrode interface and the negative electrode interface, reducing side reactions between an electrolyte and electrode active materials, effectively inhibiting further decomposition of the electrolyte, reducing gas production, reducing the internal resistance growth rate of the electrochemical device, and improving the high-temperature cycle performance and the high-temperature storage performance of the electrochemical device.

전해액 및 그 응용

Resumen de: WO2025098234A1

Provided in the present application are an electrolyte and the use thereof. The electrolyte comprises a first additive as shown in formula 1, vinylene carbonate and a boron-containing compound. Applying the electrolyte to a battery can not only reduce the content of PF5 and HF in the electrolyte, but can also improve the electrochemical performance of the lithium-ion battery.

대용량 배터리, 커버 플레이트, 하우징, 실린더 바디 조립체, 실린더 바디, 탄성 지지 부재, 바닥부 지지 부재 및 대용량 배터리의 제조 공정

Resumen de: AU2024286794A1

The present application relates to the field of batteries, in particular to a large-capacity battery, a cover plate, a shell, a cylinder assembly, a cylinder, an elastic supporting piece, a bottom supporting piece and a preparation process of a large-capacity battery. The problem of an existing large-capacity battery sharing pipeline assembly being difficult to assemble is solved. The large-capacity battery comprises a shell and a plurality of battery cells, and the plurality of battery cells are arranged in the shell in the same direction; and the shell is provided with a shared chamber, and an inner cavity of the shared chamber is in communication with inner cavities of all the battery cells. According to the present application, the plurality of battery cells are arranged in one shell with the shared chamber, the shared chamber does not need to be inserted, the problem of coaxial insertion does not need to be considered in an arrangement direction of the battery cells, and requirements for machining precision and assembly precision are relatively low; and a special tool is not needed, an assembly process is simple, machining difficulty and machining cost of the large-capacity battery with a shared system are greatly reduced, and mass production can be achieved.

이차 전지용 비수성 전해액, 이차 전지 및 전기 장치

Resumen de: CN120500761A

The invention provides a non-aqueous electrolyte for a secondary battery, the secondary battery and an electric device. The non-aqueous electrolyte for the secondary battery comprises an additive and a non-aqueous solvent, wherein the non-aqueous solvent comprises dimethyl carbonate; the additive comprises a cyclic sulfate compound as shown in a formula (I); # imgabs0 #

첨가제 조성물 및 이를 포함하는 전해액과 전지

Resumen de: WO2025241538A1

The present application provides an additive composition, an electrolyte comprising same, and a battery. The additive composition comprises a first additive and a second additive, wherein the first additive comprises a compound having a structure as shown in formula 1, and the second additive comprises a silane-based additive. The additive composition provided in the present application is applied to the electrolyte, thereby improving the cycle performance and the high-temperature performance of the battery.

양극 활물질 및 그 제조 방법, 양극 시트 및 나트륨 이온 배터리

Resumen de: WO2025007779A1

A positive electrode active material and a preparation method therefor, a positive electrode sheet, and a sodium-ion battery. The chemical formula of the positive electrode active material is NaxAyNiaFebMncCudAeOn, wherein A is selected from at least one of Zn, Mg, Ca, K and Li; and the following conditions are satisfied: (1) 0.67≤x≤0.85, 0.01≤y≤0.2, and x+y≤1; (2) 0.11≤a≤0.33, 0.11≤b≤0.33, 0.33≤c≤0.66, 0.11≤d≤0.33, 0≤e≤0.1, and a+b+c+d＝1; and (3) n satisfies the condition that the algebraic sum of positive and negative valences in the chemical formula of the positive electrode active material is 0. In the case that the values of x, a, b, c, d and n are the same, the interlamellar spacing of sodium in unit cells of the positive electrode active material is reduced by 0.005Å-0.115Å compared with the interlamellar spacing of sodium in unit cells of NaxNiaFebMncCudOn. The positive electrode active material has the characteristics of high rate performance, good cycling stability, high voltage resistance, etc., such that the sodium-ion battery prepared therefrom has good performance.

전해액 및 배터리

Resumen de: WO2025021009A1

An electrolyte and a battery. The electrolyte comprises a first lithium salt, a second lithium salt and a first additive, the first lithium salt at least comprising lithium bis(fluorosulfonyl)imide, the second lithium salt being one or two selected from lithium difluoro(oxalato)borate and lithium difluoro(bisoxalato) phosphate, and the first additive being methylene methanedisulfonate. On the basis of the electrolyte comprising the first lithium salt and the second lithium salt, the first additive, i.e. methylene methanedisulfonate (MMDS), is further added in the electrolyte; the second lithium salt helps to improve the cycling stability and high-temperature storage performance of batteries, and the first additive helps to improve the oxidation resistance of the second lithium salt under high voltages, so as to further modify the composition and structure of SEI films, thus reducing the impedance of SEI films, improving the stability of SEI films, and improving the cycling performance and high-temperature storage performance of batteries.

이종원자가로 치환된 아지로다이트형 고체 전해질

Resumen de: WO2024240892A1

The present invention relates to aliovalently substituted argyrodite-type solid electrolyte solid electrolytes. These solid electrolytes display and increased ionic conductivity.

배터리

Resumen de: WO2025246368A1

Provided in the present disclosure is a battery. The battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte, wherein the electrolyte comprises a compound represented by formula 1. When the mass percent of a transition metal in a negative electrode active material of the negative electrode sheet is M, the specific surface area of the negative electrode active material is B m2/g, the ratio of the total mass of the electrolyte to the discharge capacity of the battery is N g/Ah and the mass percent of the compound represented by formula 1 in the electrolyte is C1, the following formula is met: (A). (1), wherein m is an integer of 0-3, n is an integer of 0-3, m and n are not 0 at the same time, and p is an integer of 1-5; R0 is a single bond or methylene; R1 is hydrogen, halogen, alkyl having 1-5 C atoms, or haloalkyl having 1-5 C atoms; and R2, R3 and R4 are each independently selected from (2), (3), (4), (5), (6), (7) and (8).

물리적 및 전기적으로 구성 가능한 배터리 팩

Resumen de: WO2024239091A1

A battery pack and method of installing same. The battery pack has one or more battery stacks, with each stack having stacked modules. The stacked modules include a stack interface module, one or more battery modules, and one or more string disconnect modules (SDMs). Each SDM is located in one of the stacks, is connected to a battery string composed of one or more serially-connected battery modules, and is configured to selectively connect or disconnect each battery module in the battery string. At least one of SDMs for any given stack is separated from the stack interface module of that stack by at least one of the battery modules of that stack.

불포화 폴리머 전해질 및 이의 제조 방법 및 전기화학적 응용에서의 이의 사용

Resumen de: WO2024239105A1

The present invention relates to the production of a polymer comprising repeating units of formula 1, where X1, X2, X3, X4 are independently, and in every instance, chosen from among O, S, NH, and NR. This polymer comprises both unsaturated units and saturated units, the latter coming from a comonomer that provides the unit X1-L1-X2 in formula 1. The polymers are suitable for use in electrolytes or in electrode materials. The present invention also relates to electrochemical cells and batteries comprising these electrolytes and to electrode materials.

양극활물질 및 그의 충전식 전기화학 전지들에서의 사용

Resumen de: WO2024240593A1

The present invention relates to a cathode active material of the general formula (I) NaxNiyM1 aM2 bM3 cO2 (I) in which the variables are each defined as follows: M1 is Ti, Zr, Hf or a mixture thereof, M2 is Co, Mn, Al or a mixture thereof, M3 is Mg, Ca, Sr, Ba, Ce or a mixture thereof, x is in the range of from 0.6 to 1.0, y is in the range of from 0.6 to 0.95, a is in the range of from 0.05 to 0.4, b is in the range of from 0.00 to 0.35, c is in the range of from 0.00 to 0.35, wherein a + b + c = 1 - y. The present invention further relates to an electrode material comprising said cathode active material, to electrodes produced from or using said electrode material and to a rechargeable electrochemical cell comprising at least one electrode. The present invention further relates to a process for preparing said cathode active material of the general formula (I).

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Resumen de: US20260031495A1

A secondary battery includes an electrode assembly, a case accommodating the electrode assembly, a sub-plate connected to the electrode assembly, a current collector comprising a flat portion coupled to the sub-plate and a boss portion protruding from the flat portion, and a first cap assembly coupled to the current collector, wherein the boss portion and the first cap assembly are screw-coupled.

이차 전지용 비수성 전해액, 이차 전지 및 전기 장치

Resumen de: CN120457573A

The invention provides a non-aqueous electrolyte for a secondary battery, the secondary battery and an electric device. The non-aqueous electrolyte for the secondary battery comprises an additive and a non-aqueous solvent, wherein the non-aqueous solvent comprises a first solvent; the additive comprises a cyclic sulfate compound as shown in a formula (I); the first solvent is selected from one or more of ethylene glycol dimethyl ether, a compound as shown in a formula A and a compound as shown in a formula B; # imgabs0 #

A NEGATIVE ELECTRODE FOR SECONDARY BATTERY AND A PREPARATION METHOD THEREOF

Resumen de: WO2026023955A1

The present invention relates to an anode for a lithium secondary battery and a manufacturing method therefor. The anode has a pattern structure in which a first region and a second region that have a predetermined deviation in L* of CIE LAB colorimeter are alternately disposed on a surface of an anode active layer, thereby having excellent adhesion between an anode current collector and the anode active layer. In addition, the anode has the advantages of not only improving a swelling phenomenon during charging, but also having excellent rapid charging performance.

탄소 충전제의 액체 조성물의 용도

Resumen de: WO2024246451A1

The present invention relates to the use of liquid compositions of carbon fillers, more particularly carbon nanotubes, for the production of electrodes for batteries, wherein the carbon fillers in the liquid composition are present in mass contents of between 3.5 and 20%.

POSITIVE ELECTRODE COMPOSITION FOR LITHIUM SECONDARY BATTERY WITH MULTIFUNCTIONAL SURFACE ANTI-DEGRADATION ADDITIVE A POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY COMPRISING THE SAME A LITHIUM SECONDARY BATTERY A METHOD OF PREPARING THE POSITIVE ELECTRODE COMPOSITION FOR LITHIUM SECONDARY BATTERY WITH MULTIFUNCTIONAL SURFACE ANTI-DEGRADATION ADDITIVE AND A SLURRY COMPRISING THE SAME

Resumen de: WO2026024101A1

The present invention relates to a positive electrode composition for a lithium secondary battery to which a multifunctional surface deterioration prevention additive is added. The positive electrode composition comprises: a positive electrode active material including a lithium transition metal oxide; and at least one functional group having an organic framework and capable of bonding to a transition metal atom.

PREPARATION METHOD OF HIGH-PERFORMANCE LITHIUM SULFIDE AND HIGH-PERFORMANCE LITHIUM SULFIDE PREPARED THEREFROM

Resumen de: WO2026023745A1

The present invention relates to a preparation method of lithium sulfide having excellent performance as a solid electrolyte raw material, and lithium sulfide prepared therefrom. Specifically, the present invention relates to: a preparation method of lithium sulfide, comprising adjusting, during preparation of lithium sulfide, the particle size of raw materials and reaction conditions so as to minimize residual impurities in lithium sulfide, and improving the flow characteristics and aggregation characteristics of particles, thereby providing an excellent solid electrolyte raw material; and lithium sulfide.

MANUFACTURING METHOD FOR RECYCLED MATERIAL

Resumen de: US20260031421A1

A manufacturing method for a recycled material that can easily obtain a copper foil as a recycled material from a lithium ion secondary battery is provided. The manufacturing method for a recycled material according to the present disclosure includes: a step of preparing a lithium ion secondary battery including a positive electrode, a negative electrode, and an electrolyte, the negative electrode including a copper foil and a negative electrode active material layer containing graphite as a negative electrode active material, in which a stage structure of the graphite is at least one stage selected from the group consisting of a stage 1, a stage 2, and a stage 3; a step of taking out the negative electrode from the lithium ion secondary battery; and a step of peeling the negative electrode active material layer from the copper foil by bringing the negative electrode and water into contact with each other.

INTEGRATED BATTERY PACK AND ELECTRIC VEHICLE

Resumen de: EP4685949A1

Provided are an integrated battery pack and an electric vehicle. The integrated battery pack includes a housing (1), a battery module (2), and multiple support members (3), where an accommodating cavity is provided in the housing (1), the battery module (2) is mounted in the accommodating cavity, a pressure relief valve (26) is disposed on the top of the battery module (2), the multiple support members (3) are spaced apart on the top of the battery module (2) and are sandwiched between the battery module (2) and the housing (1), at least part of the multiple support members (3) cover the pressure relief valve (26), and the at least part of the multiple support members (3) on the pressure relief valve (26) and the battery module (2) enclose a pressure relief channel (323).

Battery battery pack and vehicle including the same

Resumen de: KR20260014469A

본 발명에 따른 배터리는, 제1전극 및 제2전극과 이들 사이에 분리막이 개재된 상태로 권취 중심홀의 중심축을 중심으로 권취되어 제공되는 전극 조립체; 상기 전극 조립체를 수용하는 캔 하우징; 상기 전극 조립체와 전기적으로 연결되는 전극단자; 및 상기 전극 조립체 및 상기 전극단자를 전기적으로 연결시키는 제1집전판을 포함하고, 상기 제1집전판은, 상기 전극단자와 면대면 용접 결합되고, 상기 캔 하우징의 내부와 상기 권취 중심홀을 연통시키는 적어도 하나의 연통홀을 구비한다.

ELECTRODE SHEET TRANSFERRING DEVICE

Resumen de: KR20260014272A

본 발명은 전극 이송장치에 관한 것으로, 프레임과, 프레임에 구비되고, 릴투릴 방식에 의해 이송되는 전극의 사행을 보정하는 사행보정부 및 전극의 이송 시 전극의 장력을 조절하는 장력조절부를 포함하는 것을 특징으로 한다.

BATTERY CELL AND MANUFACTUING METHOD OF THE SAME

Resumen de: WO2026023969A1

A battery cell according to an embodiment of the present invention may comprise: an inner cell in which an electrode assembly is accommodated in a pouch-type exterior material; a case which accommodates the inner cell and has higher rigidity than the exterior material; an end cover which covers the end of the case and has an insulating material; and a pad which is in close contact between the inner surface of the case and the outer surface of the inner cell and is elastically deformed.

METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: WO2026023950A1

Provided, according to example embodiments, is a method for manufacturing a secondary battery. The method comprises: a step for reading an electrode ID from a data matrix of a monocell including a positive electrode, a negative electrode, and a separator; and a step for determining whether the monocell is functional or defective on the basis of the electrode ID, wherein the electrode ID includes a symbol for identifying an electrode.

SECONDARY BATTERY AND BATTERY PACK INCLUDING THE SAME

Resumen de: US20260031498A1

A secondary battery includes a case, an electrode assembly inside the case, the electrode assembly including a first electrode and a second electrode, a first tab member connected to the first electrode, the first tab member extending from the electrode assembly, a cap assembly facing the electrode assembly, the cap assembly including a first terminal and a second terminal, and a first connection member between the electrode assembly and the cap assembly, the first connection member being connected to the first terminal and the first tab member, the first connection member further including a first deformation prevention part configured to prevent thermal deformation when connected to the first tab member.

ESS System for Preventing Fire from ESS Battery Module

Resumen de: KR20260014169A

ESS 배터리 모듈　화제 예방 시스템을 개시한다. 본 실시예는 배터리 모듈 내부 상부 커버의 하면에 튜브를 미리 포설하고 광센서 케이블을 튜브를 따라 삽입하여 배터리 모듈 내부의 온도를 실시간으로 감지하다가 온도 상승으로 인해 튜브가 파손된 경우, 파손된 튜브로 소화약제가 살포되도록 하여 화재가 발생한 배터리 모듈 위치에만 소화약제 분사하여 화재를 초기에 진압할 수 있도록 하는 ESS 배터리 모듈　화제 예방 시스템을 제공한다.

ELECTRODE ASSEMBLY MANUFACTURING DEVICE AND ELECTRODE ASSEMBLY MANUFACTURING METHOD USING THE SAME

Resumen de: KR20260014293A

본 개시에 따르면, 음극판, 양극판 및 분리막이 적층되고 외면에 상기 분리막이 감겨 있는 전극조립 중간체를 상기 분리막의 끝단을 접착하여 고정하는 전극조립체 제조장치에 있어서, 상기 전극조립 중간체가 안착되는 안착부를 포함하는 베이스부; 상기 베이스부의 상부에 위치하며, 접착필름을 수용하고, 상기 분리막의 끝단에 상기 접착필름을 배출하는 배출부; 및 상기 베이스부의 일측에 배치되며, 상기 분리막의 끝단을 가압하여 상기 전극조립 중간체의 몸체에 접착시키는 가압롤러부;를 포함하는 전극조립체 제조장치를 제공할 수 있다.

POSITIVE ELECTRODE COMPOSITION FOR SODIUM SECONDARY BATTERY WITH MULTIFUNCTIONAL SURFACE ANTI-DEGRADATION ADDITIVE A POSITIVE ELECTRODE FOR SODIUM SECONDARY BATTERY COMPRISING THE SAME A SODIUM SECONDARY BATTERY A METHOD OF PREPARING THE POSITIVE ELECTRODE COMPOSITION FOR SODIUM SECONDARY BATTERY WITH MULTIFUNCTIONAL SURFACE ANTI-DEGRADATION ADDITIVE AND A SLURRY COMPRISING THE SAME

Resumen de: WO2026024102A1

The present invention relates to a positive electrode composition for sodium secondary batteries, in which a multifunctional additive for preventing surface degradation is incorporated. The composition comprises a positive electrode active material including a sodium transition-metal oxide, and an organic framework, and contains at least one functional group capable of binding to transition-metal atoms.

Negative Electrode Active Material and the Fabrication Method Thereof

Resumen de: WO2026023975A1

A negative electrode material for a lithium secondary battery according to one embodiment comprises a core of spherical natural graphite and a surface layer containing carbon, wherein the negative electrode material has an activity defined as SBET/D50×P of 1.3 to 2.5, and an orientation index defined as I110/I004×100 of 65 or more. Here, SBET is the BET specific surface area (m2/g) of the negative electrode material, D50 is the cumulative volume-based median diameter (㎛) of the negative electrode material, P is the porosity (%) of the negative electrode material measured by a mercury intrusion method, I110 is the maximum intensity of a (110) peak in an X-ray diffraction pattern of the negative electrode material, and I004 is the maximum intensity of a (004) peak in the same X-ray diffraction pattern.

SECONDARY BATTERY

Resumen de: US20260031482A1

A secondary battery includes: an electrode assembly including: a first electrode plate on which a first electrode tap is located; a second electrode plate on which a second electrode tap is located; and a separator between the first electrode plate and the second electrode plate; fillers on a front surface of the electrode assembly; and a case accommodating the electrode assembly. The electrode assembly has a first surface and a second surface at an outmost edge, and facing the case in a stacking direction of the electrode assembly. At least one of the first surface or the second surface includes a central region where a thickness of the electrode assembly is constant, and edge regions other than the central region, and the fillers are located in the edge regions.

LITHIUM AND MANGANESE RICH POSITIVE ACTIVE MATERIAL COMPOSITIONS

Resumen de: US20260031342A1

A positive electrode active material for lithium-ion batteries may include a compound represented by the general formula LiaMnbNic-x-aNx-bMa+bO2, wherein a ranges from 1.02 to 1.08, b ranges from 0.51 to 0.53, c ranges from 0.40 to 0.47, x ranges from 0 to 0.1, a+b ranges from 0 to 0.05, N=Co, Cr, or a combination thereof, and M=W+6, Ta+5, V+5, or a combination thereof.

PRETREATMENT APPARATUS AND METHOD FOR RECYCLING OF LITHIUM ION BATTERY

Resumen de: KR20260014262A

폐 이차전지 처리 과정에서 작게 파쇄된 칩을 다음 공정으로 보다 효과적으로 이송할 수 있도록, 공급된 이차전지셀을 잘게 조각내 소정 크기의 칩으로 제조하는 칩제조단계, 파쇄된 칩을 가열하는 열처리 단계, 열처리된 칩을 냉각하는 쿨링단계, 냉각된 칩을 진동분리기로 이송하여 블랙파우더를 선별 분리하는 분리단계, 상기 분리단계를 거쳐 분리된 칩은 스크랩 처리하고 선별된 블랙파우더는 저장사일로로 이송하여 저장하는 회수단계를 포함하고, 상기 칩을 진동분리기로 이송하는 공정은 칩을 이송하는 이송라인에 설치된 밴트팬을 통해 이송라인에 진공 흡입압을 가하여 이루어지는 구조의 이차전지 재활용을 위한 전처리 방법을 제공한다..

SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

Resumen de: US20260031483A1

A secondary battery includes an electrode assembly including an alternately stacked plurality of laminates, the electrode assembly including a first electrode plate, a separator, and a second electrode plate, and an electrode tab group, the electrode tab group including a plurality of electrode tabs of at least one of the first electrode plate or the second electrode plate, a can that accommodates the electrode assembly and has one open end, a cap plate that is coupled to the one open end of the can and has a through-hole therein through which the electrode tab group passes, and a fixture configured to fix the electrode tab group passing through the through-hole to the cap plate.

A LITHIUM METAL BATTERY

Resumen de: KR20260014213A

본 발명의 리튬 금속 이차 전지는 양극, 리튬 금속을 포함하는 음극, 양극과 음극 사이에 개재된 세퍼레이터, 및 음극과 세퍼레이터 사이에 개재된 보호층을 포함하고, 보호층은 질화 붕소 입자 및 리튬 이온 전도성 입자를 포함하며, 질화 붕소 입자: 리튬 이온 전도성 입자의 질량비는 1:1 초과 3:1 미만이다.

BATTERY AND METHOD OF MANUFACTURING THE SAME

Resumen de: US20260031508A1

A battery, including an electrode assembly including a first electrode plate to which a first electrode tab is connected, a second electrode plate to which a second electrode tab is connected, and a separator interposed between the first electrode plate and the second electrode plate, a case accommodating the electrode assembly, the case being connected to the first electrode tab, a cap assembly including a cap plate bonded to an opening of the case and a terminal plate insulated from the cap plate, and connecting the second electrode tab by coming into contact with and being connected to a first portion of the terminal plate facing the electrode assembly, and a conductive member in a second portion of the terminal plate different from the first portion.

Battery pack and vehicle including the same

Resumen de: WO2026024017A1

A battery pack according to the present invention comprises: a battery assembly having a plurality of battery cells; a pack case having an accommodation space in which the battery assembly is accommodated; at least one first venting hole provided on a first side of the battery assembly; a venting space disposed on a first side of the first venting hole and provided in the pack case; and at least one opening/closing member disposed to correspond to the first venting hole and opened to allow the first venting hole and the venting space to communicate with each other if an internal pressure greater than or equal to a predetermined level is formed.

애노드층 상에 직접 코팅된 고체 전해질층을 포함하는 애노드 어셈블리 및 이를 포함하는 전고체 배터리

Resumen de: WO2025049364A1

Disclosed is an anode assembly comprising an anode layer and a solid electrolyte layer prepared by directly coating a slurry comprising a solid electrolyte and a binder on the anode layer. The interfacial resistance between the anode layer and the solid electrolyte membrane is lower than that of an assembly prepared without direct coating. In one embodiment, the solid electrolyte is a sulfide electrolyte. In one embodiment, the binder is a nonfibrillizable binder. In one embodiment, the electrolyte membrane does not comprise a scaffold layer such as non-woven fabric.

세라믹 슬러리 조성물

Resumen de: TW202506909A

A ceramic slurry includes water, a plurality of ceramic particles, a binder, lithium hydroxide, and a rheology modifier. The rheology modifier includes 30 wt% to 70 wt% of units derived from ethyl acrylate based on a total weight of the rheology modifier; 20 wt% to 60 wt% of units derived from meth acrylic acid based on a total weight the rheology modifier; and 1 wt% to 20 wt% of units derived from a functional monomer based on a total the rheology modifier. The functional monomer has Structure (I) where m has an average value from 10 to 40 and n has an average value from 5 to 30.

축전 디바이스용 리드 단자의 제조방법 및 축전 디바이스용 리드 단자

Resumen de: TW202505556A

A method for manufacturing a lead terminal for a power storage device comprising an electrode terminal 2 composed of a wire material 100 mainly containing aluminum or copper, and a lead wire 3 connected to the electrode terminal via a welding part 4, the method comprising: a first step for linearly aligning the wire material and the lead wire and holding the wire material and the lead wire in a state where a predetermined distance is maintained between an end surface 100b on the lead wire side of the wire material and an end surface 3b on the wire material side of the lead wire; a second step for irradiating the end part 100a on the lead wire side of the wire material with a laser beam using a laser irradiation machine 400 to melt the end part 100a; and a third step for pressing one of the wire material and the lead wire in the axial direction toward the other after a predetermined time has elapsed from the start of the laser beam irradiation in the second step, to form a welded part.

Battery Cell battery pack and vehicle including the same

Resumen de: WO2026024026A1

A battery cell according to the present invention comprises: an electrode assembly in which a cathode, an anode, and a separator are stacked in the stacking direction; a cell case for accommodating the electrode assembly; and an insulation member which is disposed on one side other than two side surfaces of the electrode assembly of the cell case in the stacking direction, and which includes an insulation material, wherein the cell case includes a contact unit which is formed at a position different from the position at which the insulation member is disposed, and with which a cooling member is in contact.

Method and apparatus for manufacturing cylindrical tabless secondary battery

Resumen de: US20260031507A1

A method of manufacturing a cylindrical secondary battery includes manufacturing an electrode assembly including an electrode plate having an uncoated portion; positioning and arranging a current collector on the uncoated portion of the electrode assembly; positioning and arranging a lead tab on the current collector; and electrically connecting the uncoated portion, the current collector, and the lead tab.

이종원자가로 치환된 아지로다이트형 고체 전해질

Resumen de: WO2024240892A1

The present invention relates to aliovalently substituted argyrodite-type solid electrolyte solid electrolytes. These solid electrolytes display and increased ionic conductivity.

폴 어댑터, 대용량 배터리 및 에너지 저장 기기

Resumen de: AU2024286622A1

A pole adapter, a high-capacity battery (2, 4), and an energy storage device. The pole adapter is adapted to be connected to poles of battery cells (21) and used for heating or cooling the poles. The high-capacity battery (2, 4) comprises a plurality of battery cells (21) having the pole adapters. The energy storage device comprises a plurality of said high-capacity batteries (2, 4). The pole adapter can overcome the problem of excessive heat, that may cause thermal runaway, at the poles of battery cells (21) in existing high-capacity batteries (2, 4).

비수성 전해액, 이차 전지 및 전기 장치

Resumen de: CN120345094A

The embodiment of the invention provides a non-aqueous electrolyte, a secondary battery and an electric device. The non-aqueous electrolyte comprises additives, the additives comprise a first additive and a second additive, the first additive is any one or more cyclic sulfate compounds with a structure as shown in a general formula (I), and the second additive is an organic alkali additive, the organic base additive comprises any one or more of 5-12-membered aromatic heterocyclic organic base or 5-12-membered alicyclic organic base, nitrogen atoms are contained in ring structures of the 5-12-membered aromatic heterocyclic organic base and the 5-12-membered alicyclic organic base, and # imgabs 0 #

이차 전지 및 전기 장치

Resumen de: CN120457572A

The invention provides a secondary battery and an electric device. The secondary battery comprises a negative electrode plate and a non-aqueous electrolyte, the negative electrode plate comprises a negative electrode active material, the volume average particle size Dv50 of the negative electrode active material is 6-20 mu m, the non-aqueous electrolyte comprises an additive and a non-aqueous solvent, and the additive comprises a cyclic sulfate compound represented by formula (I); the non-aqueous solvent comprises ethylene carbonate; # imgabs0 #

Procédé de traitement d’un électrolyte solide choisi parmi les sulfures

Resumen de: FR3165106A1

La présente invention concerne un procédé de traitement d’un électrolyte solide choisi parmi les sulfures comprenant les étapes suivantes : a) ajouter ledit électrolyte solide choisi parmi les sulfures dans de l’acétonitrile ; b) agiter la solution obtenue à l’issue de l’étape a) pendant une durée D1 inférieure ou égale à 4 heures ; c) mettre sous vide ladite solution pour éliminer l’acétonitrile ; d) récupérer l’électrolyte solide choisi parmi les sulfures obtenu.

Electrolyte polymère pour batterie tout solide, notamment pour batterie au lithium-métal

Resumen de: FR3165107A1

Electrolyte polymère comprenant au moins un polymère et au moins un sel électrolyte, le polymère comprenant de l’ester borate de polyéthylène glycol et de la poly(4-vinylpyridine).

Procédé de fabrication d’un support traité pour batterie

Resumen de: FR3165108A1

La présente invention concerne un procédé de fabrication d’un support traité pour batterie comprenant les étapes suivantes : a) déposer sur au moins une partie de la surface d’un support pour batterie au moins une première couche en un matériau inorganique ; b) déposer sur au moins une partie de la surface de ladite première couche au moins une deuxième couche en un matériau de formule (I) : MFx (I), c) mettre en contact au moins un sel de lithium de polymère, ledit polymère comprenant au moins un groupement hydroxyle et/ou au moins un groupement acide carboxylique, avec ladite deuxième couche pour former une troisième couche située sur la deuxième couche.

High voltage junction box for a battery pack

Resumen de: NZ817858A

A battery pack assembly for an electric aircraft includes a battery pack comprising a battery pack enclosure and one or more battery cells. The battery pack assembly further includes a junction box comprising a junction box enclosure including one base wall, four side walls, and one open end. A battery management unit, at least one fuse, and at least one switch may be mounted to the base wall. Further, the four side walls of the junction box enclosure are secured to the battery pack enclosure.

BATTERY CELL, BATTERY MODULE INCLUDING SAME, BATTERY PACK, AND VEHICLE

Resumen de: WO2026024074A1

A battery module according to one embodiment of the present invention comprises: a cell assembly which is formed by stacking battery cells and which is arranged such that a pair of electrode leads face upward; a lower frame which is shaped such that one side and the other side are open in the longitudinal direction, and which accommodates the cell assembly; a bus bar frame which is coupled to the lower frame and which is mounted above the cell assembly; and a bus bar frame assembly that includes a plurality of bus bar plates, which are fixed onto the bus bar frame so as to be electrically connected to the electrode leads of the battery cells.

GRAPHITE-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026024037A1

The present invention relates to a graphite-based negative electrode active material having excellent rapid charging performance and a method for manufacturing same, the graphite-based negative electrode active material comprising artificial graphite having a plane spacing d(002) of the (002) plane of 0.3360 nm to 0.3370 nm and a c-axis direction crystallite size Lc of 30.0 nm to 38.5 nm.

BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2026024017A1

A battery pack according to the present invention comprises: a battery assembly having a plurality of battery cells; a pack case having an accommodation space in which the battery assembly is accommodated; at least one first venting hole provided on a first side of the battery assembly; a venting space disposed on a first side of the first venting hole and provided in the pack case; and at least one opening/closing member disposed to correspond to the first venting hole and opened to allow the first venting hole and the venting space to communicate with each other if an internal pressure greater than or equal to a predetermined level is formed.

JIG FOR EXTRACTING ELECTROLYTE

Resumen de: WO2026023890A1

The present invention relates to a jig for extracting an electrolyte, and the purpose of the present invention is to provide a jig for extracting an electrolyte, which facilitates extraction of an electrolyte in an electrolyte extraction system through centrifugation by enabling mounting of a cylindrical secondary battery or a jelly-roll type electrode assembly. One embodiment of the present invention relates to a jig for extracting an electrolyte, which extracts an electrolyte from a sample to be analyzed provided as a cylindrical battery or a jelly-roll electrode assembly having a vertical direction as a longitudinal direction, the jig comprising: a body part having a cylindrical battery accommodation groove formed on the upper surface thereof and having the vertical direction as a central axis; and a support part for supporting, inside the battery accommodation groove, the lower end of the sample to be analyzed, wherein an electrolyte discharge flow path is formed on the upper surface of the support part, a first electrolyte discharge port penetrating the support part in the vertical direction is formed in the support part, a second electrolyte discharge port for discharging an electrolyte is formed in the battery accommodation groove of the body part, the inlet of the first electrolyte discharge port is connected to the electrolyte discharge flow path, and the outlet of the first electrolyte discharge port is connected to the second electrolyte discharge port.

NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Resumen de: WO2026023975A1

A negative electrode material for a lithium secondary battery according to one embodiment comprises a core of spherical natural graphite and a surface layer containing carbon, wherein the negative electrode material has an activity defined as SBET/D50×P of 1.3 to 2.5, and an orientation index defined as I110/I004×100 of 65 or more. Here, SBET is the BET specific surface area (m2/g) of the negative electrode material, D50 is the cumulative volume-based median diameter (㎛) of the negative electrode material, P is the porosity (%) of the negative electrode material measured by a mercury intrusion method, I110 is the maximum intensity of a (110) peak in an X-ray diffraction pattern of the negative electrode material, and I004 is the maximum intensity of a (004) peak in the same X-ray diffraction pattern.

BATTERY MODULE, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2026023947A1

The present invention relates to a battery module comprising: a plurality of battery cells; and a cover member configured to at least partially surround the outer surface of at least some of the plurality of battery cells and maintain the temperature in the battery cells to be uniform.

ANODE FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2026023956A1

The present invention relates to an anode for a lithium secondary battery and a manufacturing method therefor. The ratio of porosity to the degree of orientation (O.I) of a carbon-based anode active material in the anode satisfies a predetermined range such that movement paths of lithium ions in an anode active layer are shortened and diffusion resistance of the lithium ions is significantly lowered, and thus the anode has excellent fast-charging performance. In addition, the density of the anode active layer in the anode is improved within a range that does impair the shortened movement paths of lithium ions, and thus the anode has excellent energy density.

BATTERY, BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2026023962A1

A battery according to the present invention comprises: an electrode assembly provided by winding a first electrode and a second electrode, and a separator interposed therebetween around the central axis of a winding center hole; a can housing which accommodates the electrode assembly; an electrode terminal electrically connected to the electrode assembly; and a first current collecting plate which electrically connects the electrode assembly and the electrode terminal, wherein the first current collecting plate is coupled to the electrode terminal by surface-to-surface welding and has at least one communication hole to allow the inside of the can housing to communicate with the winding center hole.

METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: WO2026023950A1

Provided, according to example embodiments, is a method for manufacturing a secondary battery. The method comprises: a step for reading an electrode ID from a data matrix of a monocell including a positive electrode, a negative electrode, and a separator; and a step for determining whether the monocell is functional or defective on the basis of the electrode ID, wherein the electrode ID includes a symbol for identifying an electrode.

POSITIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: WO2026023979A1

The present invention relates to a positive electrode for an all-solid-state battery and an all-solid-state battery comprising same, the positive electrode comprising: a current collector; and a positive electrode active material layer on the current collector, wherein the positive electrode active material layer further comprises a positive electrode active material, a solid electrolyte of chemical formula 1, and a binder, and the positive electrode active material has the effects of reducing the porosity of the positive electrode and improving ionic conductivity and electrical conductivity. Chemical formula 1 LiaPbScCldXe. In chemical formula 1, 4≤a≤7, 0≤b≤1, 3≤c≤5, 0≤d<0.3, and d

BATTERY CELL AND METHOD FOR MANUFACTURING SAME

Resumen de: WO2026023969A1

A battery cell according to an embodiment of the present invention may comprise: an inner cell in which an electrode assembly is accommodated in a pouch-type exterior material; a case which accommodates the inner cell and has higher rigidity than the exterior material; an end cover which covers the end of the case and has an insulating material; and a pad which is in close contact between the inner surface of the case and the outer surface of the inner cell and is elastically deformed.

EQUIPMENT FOR ASSEMBLING ELECTRODE

Resumen de: WO2026023944A1

The present invention provides equipment for assembling an electrode, the equipment being capable of simultaneously producing two types of unit battery cells. The equipment for assembling an electrode includes a pair of assembly parts, and at least one of the pair of assembly parts may be configured to selectively manufacture a mono cell or a half cell. Equipment for assembling an electrode, according to the present invention, comprises: a central separator roll that unwinds and continuously supplies a central separator having a width 2W; a cutout part that continuously cuts the central separator to divide the central separator into an upper central separator and a lower central separator, each having a width W; an upper assembly part that receives and combines the upper central separator and an upper electrode; and a lower assembly part that receives and combines the lower central separator and a lower electrode.

BATTERY MANAGEMENT SYSTEM AND BATTERY MANAGEMENT METHOD

Resumen de: WO2026023926A1

A battery management system and a battery management method are provided. The battery management system according to the present invention comprises: a sensing unit for generating state data of each of a plurality of cell groups included in a battery assembly; a discharge unit for individually opening/closing a plurality of discharge paths provided to the plurality of cell groups; and a control unit for performing a diagnosis procedure that identifies, on the basis of the state data, whether each of the plurality of cell groups has a high-temperature abnormality or a low-temperature abnormality. The control unit determines at least one cell group from among the plurality of cell groups as a discharge object according to the result of the diagnosis procedure, and controls the discharge unit such that at least one discharge path provided to the discharge object is electrically connected.

A METHOD TO RECTIFY A BATTERY DISCHARGE PROFILE OF A RECHARGEABLE BATTERY

Resumen de: WO2026024392A1

Disclosed is a method to rectify a battery discharge profile of a rechargeable battery so that the discharge current is greater than the charge current. The method includes two steps. The first step is an intermittent or pulsed discharge current protocol. It assures that the pulse discharge current is always higher than the charge current while the nominal discharge current is lower than the charge current. The second step includes a converter, that is used to convert the pulsed discharge current profile from the rechargeable battery into a continuous discharge current profile wherein the continuous current is smaller than the rechargeable battery charge current. The disclosed rectification method enables the rechargeable battery to power a device at an optimally lower rate for a certain applications with a significantly extended cycle life for the rechargeable battery.

BATTERY ASSEMBLY

Resumen de: WO2026023891A1

A battery assembly according to one embodiment of the present invention may comprise: a plurality of battery cells; a battery housing in which the plurality of battery cells are accommodated; an insulating plate including a plurality of through-holes respectively corresponding to the plurality of battery cells and stacked on the plurality of battery cells; a metal plate disposed on the insulating plate and electrically connecting the plurality of battery cells; and a battery management unit which is electrically connected to the metal plate and controls the charging and discharging of the plurality of battery cells.

ANODE FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2026023955A1

The present invention relates to an anode for a lithium secondary battery and a manufacturing method therefor. The anode has a pattern structure in which a first region and a second region that have a predetermined deviation in L* of CIE LAB colorimeter are alternately disposed on a surface of an anode active layer, thereby having excellent adhesion between an anode current collector and the anode active layer. In addition, the anode has the advantages of not only improving a swelling phenomenon during charging, but also having excellent rapid charging performance.

POUCH-TYPE BATTERY CELL TRAY HAVING TEMPERATURE SENSING FUNCTION

Resumen de: WO2026023888A1

The present invention relates to a pouch-type battery cell tray having a temperature sensing function, the pouch-type battery cell tray comprising: an outer frame forming a first space to accommodate a plurality of pouch-type battery cells, the top surface and a portion of the side surface thereof being open; a seating unit which is disposed in the first space, accommodates the plurality of pouch-type battery cells in the vertical direction, and has a second space formed between the plurality of pouch-type battery cells; and a temperature sensor unit which is disposed on the side surface of the outer frame and is provided to measure the temperature of the plurality of pouch-type battery cells accommodated in the first space.

PREPARATION METHOD OF HIGH-PERFORMANCE LITHIUM SULFIDE AND HIGH-PERFORMANCE LITHIUM SULFIDE PREPARED THEREFROM

Resumen de: WO2026023745A1

The present invention relates to a preparation method of lithium sulfide having excellent performance as a solid electrolyte raw material, and lithium sulfide prepared therefrom. Specifically, the present invention relates to: a preparation method of lithium sulfide, comprising adjusting, during preparation of lithium sulfide, the particle size of raw materials and reaction conditions so as to minimize residual impurities in lithium sulfide, and improving the flow characteristics and aggregation characteristics of particles, thereby providing an excellent solid electrolyte raw material; and lithium sulfide.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Resumen de: WO2026023390A1

Provided is a secondary battery that can be produced efficiently and in which a short circuit between a positive electrode side collector member and a negative electrode side collector member is unlikely to occur.　A secondary battery 1 comprises: an electric power storage element 2 that has a positive electrode layer 6, a negative electrode layer 7, and a solid electrolyte layer 5; a positive-electrode-side current collector layer 3; and a negative-electrode-side current collector layer 4. In a plan view, outer peripheral edges 6a, 7a of the positive electrode layer 6 and the negative electrode layer 7 are arranged inwardly of outer peripheral edges 5a of the solid electrolyte layer 5. In a plan view, the positive-electrode-side current collector layer 3 includes a positive-electrode-side current collector body 8 that is disposed inwardly of the outer peripheral edges 5a of the solid electrolyte layer 5, and a positive-electrode-side current collector protrusion 9 that protrudes from an end surface 8b of the positive-electrode-side current collector body 8. The positive-electrode-side current collector protrusion 9 has a positive-electrode-side current collector protrusion end surface 9a that is provided so as to be aligned with an end surface 5b of the solid electrolyte layer 5. In a plan view, the negative-electrode-side current collector layer 4 includes: a negative-electrode-side current collector body 10 that is disposed inwardly of the outer peripheral edges 5a of the

BATTERY BUFFER-MATERIAL, BATTERY, AND METHOD FOR MANUFACTURING BATTERY BUFFER-MATERIAL

Resumen de: WO2026023369A1

A battery buffer-material 30 is disposed between adjacent battery cells. The battery buffer-material 30 includes: an elastic member; and a heat-resistant bag 34 which envelops the elastic member and which is configured so that if the elastic member generates a gas which exceeds a prescribed concentration, the gas does not come into contact with a battery cell. The heat-resistant bag 34 is formed by bonding peripheral edges of a sheet to each other.

METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY

Resumen de: WO2026023074A1

Provided is a method for manufacturing an all-solid-state battery with which it is possible, for an all-solid-state battery that comprises a Li metal or a Li alloy in a negative electrode at the time of manufacturing, to easily detect the presence or absence of a short-circuit cell before connecting a plurality of battery cells in parallel. The method for manufacturing an all-solid-state battery comprises: a press step for pressing a stack, in which a negative electrode that contains a lithium metal or a lithium alloy, a solid electrolyte layer, and a positive electrode are repeatedly disposed, so as to form an all-solid-state battery stack in which a plurality of battery cells are stacked; a temperature measurement step for measuring or estimating the temperature of at least a part of the all-solid-state battery stack during or after the press step; and a detection step for detecting the presence or absence of a short circuit in a battery cell on the basis of the temperature measured or estimated in the temperature measurement step. During the period from the start of the press step to the end of the detection step, a state in which the current collectors of electrodes having the same polarity are not electrically connected to each other is maintained for at least one of the negative electrode and the positive electrode.

LITHIUM SULFIDE AND METHOD FOR PRODUCING SULFIDE-BASED SOLID ELECTROLYTE

Resumen de: WO2026023118A1

This lithium sulfide is characterized by having a carbon content of 2.0 mass% or less and an oxygen content of 5.0 mass% or less. Impurities contained in the lithium sulfide are preferably one or more impurities selected from among carbon, lithium sulfate, lithium carbonate, and lithium oxide. This method for producing a sulfide-based solid electrolyte is characterized by using said lithium sulfide as a raw material.

BATTERY ELECTRODE SHEET DEFORMATION AND DAMAGE TESTING METHOD AND APPARATUS

Resumen de: WO2026021228A1

The present application relates to the technical field of batteries, and discloses a battery electrode sheet deformation and damage testing method and apparatus. The battery electrode sheet deformation and damage testing method comprises: establishing a battery finite element model under a compression working condition, and layering an electrode assembly along the thickness direction on the basis of the battery finite element model, so as to form a plurality of unit electrode assemblies; performing composite material modeling on the unit electrode assemblies, so as to obtain a composite material model; acquiring stress-strain curve information of component materials in the unit electrode assemblies in a plurality of directions; and on the basis of the stress-strain curve information of the component materials in the unit electrode assemblies in the plurality of directions, the composite material model, and the battery finite element model, acquiring deformation contour maps of electrode sheets at different positions, so as to characterize deformation and damage of the electrode sheets by means of the deformation contour maps. The battery finite element model under the compression working condition and the composite material model are established to simulate a battery compression condition, and the deformation contour maps of the battery electrode sheets at different positions are calculated and outputted to characterize the deformation and damage conditions of the battery ele

BATTERY, BATTERY PREPARATION METHOD, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026021190A1

Provided in the present application are a battery, a battery preparation method, a battery pack and an electric device. The battery comprises: a bare cell and a casing. The bare cell comprises a plurality of positive electrode sheets and a plurality of negative electrode sheets, each positive electrode sheet being provided with a positive tab, and each negative electrode sheet being provided with a negative tab. All the positive tabs are stacked in a first direction to form a first tab group, and all the negative tabs are stacked in the first direction to form a second tab group, the first direction being the direction of height of the bare cell. The casing comprises a first top cover and a second top cover. The first top cover is provided with a positive terminal post, and the second top cover is provided with a negative terminal post. The side of the positive terminal post that is close to the bare cell is provided with a first opening. The side of the negative terminal post that is close to the bare cell is provided with a second opening. The first tab group is fitted within the first opening and welded to the positive terminal post, and the positive terminal post is pressed against the first tab group. The second tab group is fitted within the second opening and welded to the negative terminal post, and the negative terminal post is pressed against the second tab group. The welding of tabs to top covers is avoided, improving the welding success rate of the tabs.

LITHIUM-ION BATTERY

Resumen de: WO2026021065A1

In order to overcome the problems of insufficient high-temperature cycle performance and high-temperature storage performance of existing silicon-containing negative electrodes, provided is a lithium-ion battery, comprising a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode comprises a positive electrode material layer which comprises a positive electrode active material. The negative electrode comprises a negative electrode material layer which comprises a negative electrode active material, the negative electrode active material comprising a silicon-carbon composite material formed by compositing a silicon-based material and a graphite material. The non-aqueous electrolyte comprises a non-aqueous organic solvent, an electrolyte salt and an additive, the non-aqueous organic solvent comprising fluoroethylene carbonate, and the additive comprising lithium difluorophosphate and ethylene sulfate. The lithium-ion battery satisfies the following conditions: 0.6≤100*(D/F+10*L)/C≤2.5, 5≤D≤16, 400≤C≤700, 3≤F≤20 and 0.2≤L≤1. The lithium-ion battery can maintain good high-temperature cycle performance and high-temperature storage performance while having an increased energy density.

BATTERY

Resumen de: WO2026023669A1

Provided is a battery including a positive electrode, a negative electrode disposed apart from the positive electrode, a separator sandwiched between the positive electrode and the negative electrode, and an electrolyte. The electrolyte may contain a nitrate, alkaline earth metal salt, or alkali metal salt at least including lithium nitrate and being in the amount of 0.1% to 50% with respect to the total mass of the electrolyte, and 1% to 40% of hydrofluoroether with respect to the total mass of the electrolyte. The electrolyte may contain 10% to 70% of fluoroethylene carbonate with respect to the total mass of the electrolyte.

BATTERY PACK

Resumen de: WO2026023997A1

According to exemplary embodiments, a battery pack is provided. The battery pack comprises: a pack housing including a base plate and a sidewall; a plurality of battery cell assemblies on the base plate; a lead coupled to the sidewall of the pack housing; and a foaming device configured to discharge a foamed layer into an inner space defined by the pack housing and the lead.

BATTERY CELL, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: WO2026024026A1

A battery cell according to the present invention comprises: an electrode assembly in which a cathode, an anode, and a separator are stacked in the stacking direction; a cell case for accommodating the electrode assembly; and an insulation member which is disposed on one side other than two side surfaces of the electrode assembly of the cell case in the stacking direction, and which includes an insulation material, wherein the cell case includes a contact unit which is formed at a position different from the position at which the insulation member is disposed, and with which a cooling member is in contact.

BATTERY AND ELECTRONIC DEVICE INCLUDING SAME

Resumen de: WO2026024047A1

According to an embodiment of the present invention, an electronic device comprises: a housing forming the exterior; and a battery disposed inside the housing. The battery includes: a battery housing having an opening; a gasket disposed in the opening of the battery housing and defining an inner space with the battery housing; and an electrode assembly disposed in the inner space. The electrode assembly includes: first electrode plates and second electrode plates, which are sequentially arranged in alternation with each other and have different polarities; first electrode tabs extending from the first electrode plates; second electrode tabs extending from the second electrode plates; a first electrode lead electrically connected to the first electrode tabs; and a second electrode lead electrically connected to the second electrode tabs. The first electrode lead and the second electrode lead may pass through the gasket and extend outward from the inner space of the battery housing.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2026024030A1

Provided is a cathode active material in the form of secondary particles formed by aggregation of primary particles comprising a lithium transition metal composite oxide. The lithium transition metal composite oxide comprises lithium, nickel, and manganese, and additionally comprises boron as a doping element, wherein, in the lithium transition metal composite oxide, a molar content of manganese is greater than a molar content of nickel. The primary particles have an average particle size of 200-800 nm, and the secondary particles have a particle size (D50) of 0.5-3.0 ㎛. As the cathode active material contains a trace amount of boron as a doping element, excellent flowability may be exhibited despite a small particle size.

CHARGING SYSTEM AND TEMPERATURE CONTROL APPARATUS

Resumen de: WO2026021584A1

The present invention relates to a charging system and a temperature control apparatus. The charging system comprises a battery module; a charging device, which is configured to charge the battery module; a temperature regulation module, which is configured to regulate the temperature of the battery module; a temperature measurement module, which is configured to measure the temperature of the battery module; and a control module, which is configured to control and coordinate the operation of the temperature regulation module and the charging of the battery module on the basis of the temperature of the battery module. The temperature control apparatus comprises a housing; a battery pack mounting portion; a first vent, which is provided in the battery pack mounting portion, wherein when a battery pack is mounted to the battery pack mounting portion, the first vent is in communication with an air output hole of the battery pack; and a temperature control device, which comprises a temperature control element and an air suction fan, wherein when the battery pack is mounted to the battery pack mounting portion, the air suction fan is configured to drive an airflow passing through the temperature control element to flow into an air intake hole of the battery pack, pass through a battery cell in the battery pack, and then flow to the air output hole of the battery pack.

BATTERY

Resumen de: WO2026021610A1

A battery, comprising at least one battery cell (100), the battery cell (100) comprising an electrode sheet (10) and electrolyte sheets (130) which are stacked, wherein the electrode sheet (10) comprises a current collector (1), electrode material layers (2) and edge-coated structures (3), the electrode material layers (2) being disposed on the current collector (1) and falling within a region of the current collector (1), and the outer contour of the region where the electrode material layers (2) are located being at least partially spaced apart from the outer contour of the region where the current collector (1) is located and forming a support region (20); the edge-coated structures (3) are disposed in the support region (20); and the electrolyte sheets (130) cover at least part of the electrode material layers (2) and at least part of the edge-coated structures (3).

MULTIFUNCTIONAL POWER BANK

Resumen de: WO2026021430A1

The present application relates to the technical field of mobile power supplies, and discloses a multifunctional power bank. The multifunctional power bank comprises a housing; a battery pack, a charging/discharging control circuit, and a laser drive circuit are provided inside the housing; a cigarette lighter port and a cigarette lighter cavity are provided on the housing; a semiconductor laser is provided inside the cigarette lighter cavity; window glass is provided between the semiconductor laser and the cigarette lighter port; a laser press switch is provided on the housing; the battery pack is electrically connected to the charging/discharging control circuit, the charging/discharging control circuit is electrically connected to the laser press switch, the laser press switch is electrically connected to the laser drive circuit, and the laser drive circuit is electrically connected to the semiconductor laser; the charging/discharging circuit comprises a mobile power supply charging/discharging chip, and the mobile power supply charging/discharging chip is separately electrically connected to the charging/discharging circuit and a status lamp display circuit. The stable operation of the semiconductor laser can be ensured, and the problem of poor operation stability of existing laser cigarette lighters integrated in power banks is solved.

END COVER ASSEMBLY, BATTERY AND ELECTRICAL DEVICE

Resumen de: WO2026021551A1

An end cover assembly (1), comprising: a first lead-out sheet (101) and a second lead-out sheet (102), the first lead-out sheet (101) extending in a first direction; the second lead-out sheet (102) is connected to the first lead-out sheet (101), and the second lead-out sheet (102) extends in a second direction, the first direction and the second direction being two intersecting directions.

POSITIVE ELECTRODE FOR ALL-SOLID-STATE SECONDARY BATTERY, POWER GENERATION ELEMENT, AND ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: WO2026023617A1

The present invention provides: an all-solid-state secondary battery which has excellent charge and discharge cycle characteristics under high temperature conditions; and a positive electrode and a power generation element for constituting the all-solid-state secondary battery.　A positive electrode for an all-solid-state secondary battery according to the present invention has an overall void fraction of a molded body of a positive electrode mixture and a sheet-like porous metal base material of 14-21%. A power generation element according to the present invention is used for an all-solid-state secondary battery, and is provided with: a positive electrode that has a sheet-like porous metal base material and a molded body of a positive electrode mixture that contains a positive electrode active material and a solid electrolyte; a negative electrode that has a sheet-like porous metal base material and a molded body of a negative electrode mixture that contains a negative electrode active material; and a solid electrolyte layer. The overall void fraction of the molded body of the positive electrode mixture, the sheet-like porous metal base material of the positive electrode, the solid electrolyte layer, the molded body of the negative electrode mixture, and the sheet-like porous metal base material of the negative electrode is 14-22%. An all-solid-state secondary battery according to the present invention comprises a positive electrode according to the present invention or a p

ALL-SOLID-STATE BATTERY

Resumen de: WO2026022975A1

This all-solid-state battery comprises: a container; an electrode laminate that is housed in the container; and a tracer substance-containing member that is housed in the container and contains a tracer substance.

METHODS FOR MANUFACTURING SOLID ELECTROLYTE-CONTAINING SHEET AND ELECTRODE LAMINATE FOR SECONDARY BATTERY, AND SOLID ELECTROLYTE-CONTAINING SHEET

Resumen de: WO2026023342A1

This method for manufacturing a solid electrolyte-containing sheet comprises: a precursor preparation step for preparing a precursor 1, wherein the precursor is a composite material including a solid electrolyte, a curable organic material cured by a crosslinking reaction, and a porous sheet; a pressurization step for pressurizing the precursor 1 so that the porous sheet is elastically deformed; and a crosslinking step for performing a crosslinking reaction of the curable organic material in a state in which the porous sheet is elastically deformed.

BURN-SPREAD PREVENTION MATERIAL, BATTERY PACK, AND AUTOMOBILE

Resumen de: WO2026023563A1

The present invention addresses the problem of providing a burn-spread prevention material having excellent burn-spread prevention property and high flexibility, a battery pack using the burn-spread prevention material, and an automobile equipped with the battery pack.　According to one embodiment of the present invention, there is provided a burn-spread prevention material comprising: an inorganic fiber base material containing inorganic fibers; and sodium silicate supported on the inorganic fiber base material. The sodium silicate has a water content of 30 mass% or more at 30°C.

MICROPOROUS POLYOLEFIN FILM, METHOD FOR MANUFACTURING SAME, AND SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026023761A1

The present invention relates to a microporous polyolefin film and, more specifically, to a microporous polyolefin film, a method for manufacturing same, and a secondary battery comprising same, wherein the polyolefin comprises an alpha-olefin-derived unit and, with respect to the alpha-olefin-derived unit, the average pore size of the microporous film is 10 nm to 45 nm depending on the number of short chain branches (SCBs) per 1,000 carbon atoms in the polyolefin backbone.

LOAD APPLICATION DEVICE AND POWER STORAGE DEVICE

Resumen de: WO2026023391A1

Problem To provide a load application device and a power storage device that improve the durability and energy consumption efficiency of an all-solid battery. Solution A load application device 1 applies a load to a layered structure 2 of an all-solid battery. The load application device 1 is characterized by comprising a support 10, an elastic part 11 that is supported from the support 10 and generates elastic force by elastic deformation, and a force transmission part 12 that contacts the elastic part 11 and the layered structure 2, separates the force in the layering direction of the layered structure 2 from at least a portion of the elastic force inputted from the elastic part 11 and transmitted in a force transmission direction that varies in response to the expansion and contraction of the layered structure 2, and transmits the separated force to the layered structure 2.

RIVETING DEVICE FOR CYLINDRICAL BATTERY

Resumen de: WO2026023715A1

A riveting device for a cylindrical battery is disclosed. The riveting device for a cylindrical battery includes a guide pin to improve assembly defects when assembling a rivet with a gasket and when assembling a rivet-gasket assembly with a can. The riveting device for a cylindrical battery according to an embodiment of the present invention arranges the central axis line of the gasket, the central axis line of the rivet, the central axis line of the can, and the central axis line of the guide pin on the same line when assembling the rivet with the gasket and when assembling the rivet-gasket assembly with the can.

DEVICE FOR MANUFACTURING ALL-SOLID-STATE BATTERY, AND METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY USING SAME

Resumen de: WO2026023750A1

The present invention relates to a device for manufacturing an all-solid-state battery, and a method for manufacturing an all-solid-state battery using same. More specifically, the device comprises: a main conveyor; a first electrode supply unit disposed at the entrance of the main conveyor and for supplying electrode webs to the main conveyor; a second electrode supply unit disposed above the main conveyor and for depositing electrode sheets onto the electrode webs; a pressing conveyor disposed on top of the main conveyor and engaged with the main conveyor to transfer the electrode webs and the electrode sheets in a first direction; and a hot pressing unit connected to the main conveyor and the pressing conveyor, wherein the hot pressing unit can press the electrode sheets and the electrode webs interposed between the main conveyor and the pressing conveyor.

SULFIDE-BASED SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: WO2026023773A1

The present invention relates to a sulfide-based solid electrolyte, comprising a compound having an argyrodite-type crystal structure and represented by chemical formula 1: Li7-a-cMaPS6-b-cObXC (wherein the description of the chemical formula is as in the specification)

METHOD FOR PREPARING POSITIVE ELECTRODE SLURRY SUITABLE FOR BATTERY CELL OF ELECTRONIC CIGARETTE, POSITIVE ELECTRODE SHEET FOR ELECTRONIC CIGARETTE, BATTERY CELL, AND LITHIUM-ION BATTERY

Resumen de: WO2026021611A1

The present application provides a method for preparing a positive electrode slurry suitable for a battery cell of an electronic cigarette, a positive electrode sheet for an electronic cigarette, a battery cell, and a lithium-ion battery. The method for preparing a positive electrode slurry comprises the following steps: S1, stirring a binder and a first solvent at the speeds of W1 and V1 for t1 min to obtain a glue solution; S2, stirring the glue solution and a first conductive agent at the speeds of W2 and V2 for t2 min to obtain a first conductive slurry; S3, stirring the first conductive slurry and a second conductive agent at the speeds of W3 and V3 for t3 min to obtain a second conductive slurry; S4, stirring the second conductive slurry and a positive electrode active material at the speeds of W4 and V4 for t4 min to obtain a mixture; and S5, stirring the mixture and a second solvent at the speeds of W5 and V5 for t5 min to prepare a positive electrode slurry.

ELECTRODE SHEET PREPARATION DEVICE, ELECTRODE SHEET PREPARATION METHOD AND ELECTRODE SHEET

Resumen de: WO2026021330A1

The present application belongs to the technical field of lithium-ion battery preparation. Disclosed are an electrode sheet preparation device, an electrode sheet preparation method and an electrode sheet. The electrode sheet preparation device comprises a coating assembly and a magnetization assembly, wherein in the conveying direction of a substrate, the coating assembly is located upstream of the magnetization assembly; the coating assembly is configured to coat a coating surface of the substrate with a slurry; and the magnetization assembly is configured to magnetize particles in the slurry so as to change the arrangement direction of the particles in the slurry. The present application can change the arrangement direction of particles in a slurry on a substrate on the basis of ensuring the production efficiency of an electrode sheet, thereby ensuring the diffusion effect of lithium ions and improving the performance of a lithium-ion battery.

SELF-MOVING DEVICE AND SELF-MOVING DEVICE SYSTEM

Resumen de: WO2026021416A1

The present application provides a self-moving device and a self-moving device system. The self-moving device comprises a device body, a driving assembly, and a first electrode assembly. The driving assembly comprises a first driving member and a second driving member; the first driving member and the second driving member are respectively arranged on two opposite sides of the device body; the first driving member and the device body define a first space; and the second driving member and the device body define a second space. The first electrode assembly comprises a first electrode member and a second electrode member; the first electrode member is disposed on the device body and exposed in the first space; and the second electrode member is disposed on the device body and exposed in the second space.

INTER-CHIP COMMUNICATION CIRCUIT AND METHOD, COMMUNICATION INTERVAL TIME DETERMINATION CIRCUIT AND METHOD, AND CHIP

Resumen de: WO2026021256A1

Provided are an inter-chip communication circuit and method, a communication interval time determination circuit and method, and a chip. The inter-chip communication circuit may comprise: a receiving circuit, used for receiving data frames; a memory, used for storing the received data frames; a counter circuit, used for determining a frame reception duration for receiving a data frame; a decoder circuit, used for obtaining a negative feedback adjustment value on the basis of the amount of data to be transmitted, which is stored in the memory; an adder circuit, used for determining an interval time on the basis of the frame reception duration and the negative feedback adjustment value; and a transmission circuit, used for transmitting the data frames by using the determined interval time as a transmission interval between the data frames.

METHOD FOR MANUFACTURING SOLID ELECTROLYTE-CONTAINING SHEET

Resumen de: WO2026023343A1

This method for manufacturing a solid electrolyte-containing sheet comprises: a first step of applying a slurry containing a solid electrolyte and a dispersion medium onto a substrate to form an initial coating film; a second step of disposing a porous sheet on the initial coating film; a third step of applying an additional slurry onto the porous sheet to form a precursor sheet; and a fourth step of drying the precursor sheet to obtain the solid electrolyte-containing sheet. In the second step, the porous sheet is disposed on the initial coating film in a state of containing the dispersion medium.

LITHIUM ION SECONDARY BATTERY

Resumen de: WO2026022539A1

Provided is a novel lithium ion secondary battery. This lithium ion secondary battery has a positive electrode and a negative electrode. The positive electrode has positive electrode active material particles. The positive electrode active material particles include lithium, cobalt, oxygen, magnesium, fluorine, nickel, and aluminum. The positive electrode active material particles have a surface layer section having an edge region, and an interior section. The interior section has an R-3m space group layered rock salt-type crystal structure. When a side-by-side arrangement of bright spots on the surface of the positive electrode active material particles as observed in a cross-sectional STEM image of a surface where lithium is inserted/extracted is treated as a first row, at least a portion of a fourth row through a ninth row that are located in the interior direction of the positive electrode active material particles have characteristics of a spinel-type crystal structure. In a STEM-EELS analysis of the fourth row through the ninth row, magnesium and nickel are detected at positions where only the Wyckoff position 16c of an Fd-3m space group overlaps, and nickel is detected at a position where only the Wyckoff position 16d overlaps.

FAST-CHARGING LITHIUM-ION BATTERY, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Resumen de: WO2026021540A1

The present disclosure relates to the technical field of lithium-ion batteries, and provides a fast-charging lithium-ion battery, and a preparation method therefor and an application thereof. Specifically, a positive electrode of the lithium-ion battery comprises lithium iron phosphate and a positive electrode additive; the positive electrode additive comprises at least one of lithium ferrite, lithium oxalate, and lithium squarate; an electrolyte of the lithium-ion battery comprises a solvent, a lithium salt, and electrolyte additives; the solvent includes a low-viscosity solvent with a viscosity of ≤0.5 cps; and the electrolyte additives include a carbonate-based additive, a sulfur-containing additive, and a lithium salt additive. The lithium-ion battery of the present disclosure can effectively improve the fast-charging performance and low-temperature performance of lithium iron phosphate batteries, without causing degradation in the cycle performance and high-temperature performance of batteries. That is, the lithium-ion battery takes into account various electrical properties and has a good application prospect.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026021530A1

The present application provides a positive electrode material and a preparation method therefor, a secondary battery, and an electric device. By optimizing the particle size of the positive electrode material to make the particle size and morphology distribution thereof meet the following condition: z=2.35+0.258*D150-0.121*D250-0.639*D3mo+0.3125*S+0.0142*n, where 2.3≤z≤2.79, the grading of large and small particles is facilitated, pores between the particles are filled, and the compaction density can be significantly improved, thereby solving the problems of relatively low energy density and relatively poor rate capability of batteries due to relatively low compaction density of electrode sheets caused by a relatively large number of pores between particles in existing lithium-iron-phosphate positive electrode materials.

NIOBIUM-CONTAINING OXIDE POWDER, ELECTRODE USING SAME, AND NON-AQUEOUS ELECTROLYTE POWER STORAGE DEVICE

Resumen de: WO2026023655A1

A niobium-containing oxide powder according to the present invention satisfies formula (I).　(I) AaTi(2-p-q-r)(MV (0.5+v)MIII (0.5-v))p(MV (0.67+w)MII (0.33-w))qMIV rNb(14-s)M1 sO(39±t) (In the formula, A is at least one element selected from the group that consists of Li and Na, M1 is selected from the group that consists of MV, (MIV (0.5+w)MVI (0.5-w)), (MVI (0.67+w)MIII (0.33-w)), and (MVI (0.75+w)MII (0.25-w)), each MII is independently at least one divalent metal element, each MIII is independently at least one trivalent metal element, each MIV is independently at least one tetravalent metal element, each MV is independently at least one pentavalent metal element, each MVI is independently at least one hexavalent metal element, 0≤a≤6, -0.05≤v≤0.05, -0.05≤w≤0.05, 0≤p<2, 0≤q<2, 0≤r<2, 0

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2026023429A1

Provided is a nonaqueous electrolyte secondary battery which comprises an electrode body in which a first electrode and a second electrode are wound with a separator (13) interposed therebetween. The nonaqueous electrolyte secondary battery is characterized in that: the first electrode has a first electrode core body and a first electrode mixture layer; one end portion of the first electrode in the axial direction of the electrode body is provided with a first electrode core body exposed portion in which the first electrode mixture layer is not disposed and the first electrode core body is exposed; the separator (13) has a base material layer (50) and a filler layer (52) that is disposed on at least one surface of the base material layer (50); and the filler layer (52) includes inorganic particles and resin particles (54) which have a larger average particle diameter than the inorganic particles, and has protrusion portions (56) which are formed by the resin particles projecting from an inorganic particle layer (58) that is formed of the inorganic particles.

BATTERY

Resumen de: WO2026023670A1

Provided is a battery which comprises: a positive electrode; a negative electrode disposed separated from the positive electrode; a separator held between the positive electrode and the negative electrode; and an electrolyte solution. Relative to the total mass of the electrolyte solution, the electrolyte solution may contain 0.1-50% of an alkali metal salt, alkaline earth metal salts or nitrate, including at least lithium nitrate, and may contain 1-20% of a fluorinated aromatic compound represented by general formula (1), wherein R1 is one substituent group selected from among hydrogen, fluorine, a methyl group, and a trifluoromethyl group.

SOLID STATE BATTERY

Resumen de: WO2026023492A1

Provided is a solid state battery comprising a positive electrode layer, a negative electrode layer, a solid electrolyte layer, a positive terminal electrode electrically connected to the positive electrode layer, and a negative terminal electrode electrically connected to the negative electrode layer. At least each of the positive electrode layer and the positive terminal electrode contains a carbon-based conductive material. The content of the carbon-based conductive material in the positive terminal electrode is greater than 30 vol% and less than 95 vol%.

A DEVICE AND METHOD FOR EXTRACTING A GROUP (I) METAL FROM A SPENT BATTERY

Resumen de: WO2026024228A1

There is provided a device for extracting a Group (I) metal from a spent battery, the device comprising: an anode comprising material from the spent battery, wherein the material comprises the Group (I) metal; a cathode; a first electrolyte; a second electrolyte; and an ion-selective membrane, selectively permeable to ions of the Group (I) metal. There is also provided a method of extracting a Group (I) metal from a spent battery, the method comprising: contacting an anode with a first electrolyte, the anode comprising material from the spent battery, wherein the material comprises the Group (I) metal; contacting a cathode with a second electrolyte; and applying an electrical potential between the anode and the cathode to obtain the Group (I) metal at the cathode, wherein the first electrolyte and the second electrolyte are separated with an ion-selective membrane, selectively permeable to ions of the Group (I) metal.

ENHANCING IN SITU POLYMERIZABLE SOLID POLYMER ELECTROLYTES WITH EXFOLIATED HEXAGONAL BORON NITRIDE OR FLUORINE-FUNCTIONALIZED HEXAGONAL BORON NITRIDE

Resumen de: WO2026025094A1

An exemplary embodiment of the present disclosure provides a method for making an electrolyte, comprising: providing a solid polymer electrolyte (SPE); incorporating boron nitride with the SPE to form a composite polymer electrolyte (CPE), wherein the boron nitride is at least one of exfoliated hexagonal boron nitride (ex-BN) or fluorine-fimctionalized hexagonal boron nitride (BN-F).

INTERLAYER COATINGS FOR SILICON AND ALUMINUM ANODES IN SOLID- STATE BATTERIES AT LOW STACK PRESSURES