Alerta

ÉQUILIBRAGE CONTRÔLÉ DES CELLULES D’UNE BATTERIE D’UN SYSTÈME

Resumen de: FR3171551A1

Un procédé est mis en œuvre dans un système comprenant une batterie rechargeable comportant des cellules ayant chacune un état de charge estimé et une capacité de stockage estimée. Ce procédé comprend une étape (10-60) dans laquelle, lorsqu’un temps écoulé depuis une dernière quantification de déséquilibre entre cellules est supérieur à un seuil choisi, on estime des écarts d’équilibrage des cellules en fonction des états de charge estimés, puis on effectue un équilibrage de chacune des cellules en fonction de l’écart d’équilibrage estimé correspondant et de la capacité de stockage estimée correspondante. Figure 3

Dispositif de connexion électrique, notamment pour véhicule automobile, système de stockage d’énergie électrique et véhicule comprenant un tel dispositif de connexion.

Resumen de: FR3171542A1

1. Dispositif de connexion électrique, notamment pour véhicule automobile, ledit dispositif comprenant une ou plusieurs sources chaudes (10) et une source froide (12), ladite ou lesdites sources chaudes (10) comprenant un organe électrique (14), ledit dispositif comprenant un caloduc (30), un premier organe d’interface thermique (32) pour un échange de chaleur entre ledit caloduc (30) et ladite source froide (12) et un ou des deuxièmes organes d’interface thermique (34) pour un échange de chaleur entre le caloduc (30) et la ou lesdites sources chaudes (10), ledit caloduc (30) présentant une première surface d’échange de chaleur avec ledit premier organe d’interface thermique (32) et une ou des deuxièmes surfaces d’échange de chaleur avec le ou les deuxièmes organes d’interface thermique (34), lesdites surfaces de chaleur étant configurées de sorte que ledit caloduc (30) fonctionne en épanouisseur thermique. Figure pour l’abrégé : Figure 11

Procédé de fabrication d’une pièce en matériau à changement de phase solide-solide

Resumen de: FR3171445A1

La présente invention concerne procédé de fabrication d’une pièce massive comportant un matériau à changement de phase solide-solide, le procédé comportant les étapes suivantes : - S1 : porter une composition initiale comprenant un matériau à changement de phase solide-solide à une température T1, le matériau comportant un composé hydride organique/inorganique à changement de phase solide-solide présentant un état ramolli dans une plage de température de ramollissement, la température T1 étant comprise dans la plage de température de ramollissement du composé, pour obtenir une composition ramollie qui présente une forme initiale ; - S2 : mettre en forme la composition ramollie dans une forme finale différente de la forme initiale ; et - S3 : refroidir la composition dans sa forme finale pour obtenir la pièce massive.

Système comportant une pièce de régulation de température en matériau à changement de phase solide-solide

Resumen de: FR3171444A1

La présente invention concerne un système (20) comprenant :- un dispositif (22) susceptible de changer de température ; et - une pièce de régulation thermique (8, 24) montée au contact du dispositif (22) et configurée pour réaliser un transfert thermique avec le dispositif, la pièce de régulation (8, 24) étant une pièce massive comprenant un matériau à changement de phase solide-solide comprenant au moins un composé à changement de phase solide-solide, le composé à changement de phase solide-solide étant un composé hybride organique/inorganique, le matériau présentant une première structure solide lorsque le matériau est à une température inférieure à une température de transition du composé à changement de phase et présentant une deuxième structure solide, différente de la première structure solide, lorsque le matériau est à une température supérieure à la température de transition. Figure de l’abrégé : Fig. 3a

Dispositif de connexion électrique, notamment pour véhicule automobile, système de stockage d’énergie électrique et véhicule comprenant un tel dispositif de connexion.

Resumen de: FR3171557A1

Dispositif de connexion électrique, notamment pour véhicule automobile, ledit dispositif comprenant une source chaude (10) et une source froide (12), ladite source chaude (10) comprenant un organe électrique (14) muni d’une première et d’une deuxième bornes de connexion électrique, ledit dispositif comprenant une première et une deuxième barres omnibus de conduction électrique (30a, 30b) ainsi qu’un premier caloduc (32p) relié thermiquement à ladite source froide (12), ladite première barre omnibus (30a) étant reliée à ladite première borne et audit premier caloduc (32p) pour un échange thermique entre ladite source chaude (10) et ladite source froide (12), ladite deuxième barre omnibus (30b) étant reliée à ladite deuxième borne et audit premier caloduc (32p) pour l’échange thermique entre ladite source chaude (10) et ladite source froide (12). Figure pour l’abrégé : Figure 2

Procédé d’évaluation d’un état de fonctionnement d’un système de refroidissement, dispositif et véhicule automobile associés

Resumen de: FR3171543A1

L’invention concerne un procédé d’évaluation d’un état de fonctionnement d’un système de refroidissement d’une batterie de traction, le système comprenant un moyen de refroidissement. Selon l’invention, les étapes suivantes sont mises en œuvre par une unité de contrôle informatique : a) Activation (101) du système de refroidissement à un premier instant lorsqu’une température interne de la batterie de traction dépasse une température de seuil, b) Enregistrement (102) au premier instant de la température interne de la batterie de traction et d’une température du moyen de refroidissement, c) Vérification (103) d’au moins une série de conditions comprenant une première condition (1031) qui est remplie si, pendant au moins une partie d’une durée suivant le premier instant, la température du moyen de refroidissement est inférieure à celle mesurée au premier instant et étant non-remplie sinon ; et une deuxième condition (1032) qui est remplie si la température du moyen de refroidissement à un second instant suivant le premier instant est inférieure à celle de la batterie de de traction mesurée au premier instant et étant non-remplie sinon, d) Evaluation (104) d’un état de fonctionnement du système de refroidissement en fonction d’un résultat de l’au moins une série de conditions. L’invention concerne également un dispositif et un véhicule automobile associé. Figure pour l’abrégé : Fig.3

PROCEDE DE DETECTION D’UN EMBALLEMENT THERMIQUE D’UN ELEMENT ELECTROCHIMIQUE

Resumen de: FR3171541A1

La présente invention a pour objet un procédé de détection d’un emballement thermique d’un élément électrochimique de stockage d’énergie mis en œuvre par une unité d’analyse acoustique, comprenant les étapes successives suivantes d’enregistrement (E1) d’un signal acoustique dudit élément électrochimique, de traitement (E2) dudit signal acoustique par une décomposition en transformée de fourrier et l’enregistrement d’un spectre fréquentiel dudit signal acoustique traité, de comparaison (E3) dudit spectre fréquentiel avec au moins une table d’enveloppe de spectre prédéterminée et l’enregistrement d’une table de correspondance spectrale identifiant un niveau de correspondance entre le spectre fréquentiel et la table d’enveloppe de spectre prédéterminée pour une pluralité de plages de fréquence, de détermination (E4) d’un score de reconnaissance calculé à partir de la somme des niveaux de correspondance de la table de correspondance spectrale, de détection (E5) d’un emballement thermique lorsque le score de reconnaissance est supérieur à un seuil prédéterminé. Figure 1.

Station de recharge d’un véhicule électrique

Resumen de: FR3171398A1

Station de recharge d’un véhicule électrique La station de recharge comprend : au moins un dispositif de recharge (2) d’un véhicule électrique (1) agencé pour fournir de l’électricité à une batterie électrique d’un véhicule électrique (1), ledit dispositif de recharge (2) comprenant au moins un élément chauffant produisant de la chaleur résiduelle,au moins une batterie électrochimique (4) connectée électriquement au dispositif de recharge (2), ladite batterie électrochimique formant une source de courant pour ledit dispositif de recharge. La station de recharge comprend en outre au moins un échangeur thermique (44) agencé entre l’élément chauffant et la batterie électrochimique (44), ledit échangeur thermique (44) transmettant la chaleur résiduelle produite par ledit élément chauffant à ladite batterie électrochimique (4) afin de favoriser les réactions d’oxydoréduction dans ladite batterie électrochimique (4). Figure pour l'abrégé : 1

CELLULE POCHE POUR UNE BATTERIE DE VEHICULE, COMPRENANT DES MOYENS DE DEGAZAGE, BATTERIE, VEHICULE ET PROCEDE SUR LA BASE D’UNE TELLE CELLULE

Resumen de: FR3171545A1

L’invention concerne une cellule poche (CP) comprenant un support de cellule (S) connecté à des collecteurs (CA, CC) de deux bornes électriques, le support de cellule (S) ayant une forme rectangulaire plane ou enroulée, et étant enveloppé dans une enveloppe étanche (FA),la cellule poche (CP) présentant deux largeurs et deux longueurs (L1, L2), les longueurs (L1, L2) de taille supérieure aux largeurs,caractérisée en ce que les collecteurs (CA, CC) de chaque borne sont répartis ou s’étendent le long d’une ou des deux longueurs (L1, L2),et en ce que l’enveloppe (FA) comprend des moyens de dégazage le long d’une ou des deux longueurs (L1, L2). L’invention concerne également une batterie, un véhicule et un procédé sur la base d’une telle cellule. Figure 2

SURVEILLANCE D’UN COMPRESSEUR D’UNE INSTALLATION DE CHAUFFAGE/REFROIDISSEMENT D’UN VÉHICULE À GMP AU MOINS ÉLECTRIQUE

Resumen de: FR3171399A1

Un procédé est implémenté dans un véhicule comprenant une batterie de puissance propre à fournir de l’énergie électrique, et une installation de chauffage/refroidissement comportant un circuit de chauffage/refroidissement dans lequel circule un fluide caloporteur, couplé à la batterie de puissance et comportant un compresseur propre, lorsqu’il est alimenté en énergie électrique issue de la batterie de puissance, à participer au refroidissement du fluide caloporteur. Ce procédé comprend une étape (10-30) dans laquelle, lorsque la batterie de puissance est utilisée et doit être refroidie mais que le compresseur est défaillant ou est dans un état inconnu, on impose une limitation choisie de l’utilisation de la batterie de puissance. Figure 3

Accumulateur encapsulable dans un laminé, laminé comportant ledit accumulateur et procédé de fabrication dudit laminé.

Resumen de: FR3171544A1

Accumulateur encapsulable dans un laminé, laminé comportant ledit accumulateur et procédé de fabrication dudit laminé. L’invention concerne un accumulateur Li-ion (1), comprenant :- au moins une cellule électrochimique comprenant une cathode (3), une anode (4) et un électrolyte (2) intercalé entre la cathode et l’anode, l’électrolyte comprenant au moins un solvant et un sel de lithium, chaque solvant de l’électrolyte présentant une température d’ébullition supérieure à 160 °C, le sel de lithium étant stable jusqu’à une température supérieure à 180 °C, voire 300 °C, la cathode et l’anode comprenant chacune une couche de passivation stable jusqu’à une température supérieure à 200 °C ;- un emballage (7) contenant avec étanchéité la cellule électrochimique en étant traversé par une partie de deux languettes formant des collecteurs de courant (5, 6) de l’accumulateur Li-ion qui s’étendent dans le plan de la cellule électrochimique. Figure pour l’abrégé : Fig. 3

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026152340A1

The present application relates to the technical field of energy storage, and in particular to a secondary battery and an electric device. The secondary battery comprises an electrode assembly; the electrode assembly comprises a first electrode sheet, a second electrode sheet, and a separator; and the separator is arranged between the first electrode sheet and the second electrode sheet. The first electrode sheet at the outermost side comprises first straight sections and first bent sections connected to each other; the first straight sections are located in a straight area; and the first bent sections are located in bent areas. Each first bent section comprises a first flattened portion and first raised portions; each first raised portion connects the first flattened portion and the corresponding first straight section; and a first interlayer gap is formed between the first raised portions and the second electrode sheet. Therefore, during expansion of the electrode assembly, the first interlayer gap is capable of buffering the tensile force on the first electrode sheet, thereby mitigating the problem of the electrode sheet breaking due to the tensile stress.

GLASS AND METHOD FOR PRODUCING SAME, CRYSTALLIZED GLASS, SULFIDE SOLID ELECTROLYTE, ELECTRODE MIXTURE, SOLID ELECTROLYTE LAYER, AND LITHIUM ION SECONDARY BATTERY

Resumen de: WO2026155190A1

The present invention relates to glass which contains Li, P and, as an optional element, a prescribed element M as elements that constitute a cation component, contains S and, as optional elements, at least one of a prescribed element X and a prescribed element Y as elements that constitute an anion component, and is represented by compositional formula Li(a+c-m×d-y×e)MdP(1-d)SbXcYe. In the compositional formula, m is the valency of the element M, y is the valency of the element Y, and a to e in the compositional formula satisfy the relationships -5.00

BATTERY CELL INSPECTION DEVICE, BATTERY CELL PRODUCED USING SAME, AND BATTERY PACK AND VEHICLE COMPRISING BATTERY CELL

Resumen de: WO2026155401A1

A battery cell inspection device, a battery cell produced using same, and a battery pack and a vehicle comprising the battery cell are disclosed. The battery cell inspection device according to one embodiment of the present invention comprises: a photographing member for photographing a welded portion of a battery cell; a reflective member which reflects light and is coupled to the photographing member or detached and removed from the photographing member on the basis of a welding position of the battery cell; and a lighting member for providing light to the battery cell.

METHOD FOR MANUFACTURING ELECTRODE, METHOD FOR MANUFACTURING LITHIUM ION BATTERY, AND LITHIUM ION BATTERY

Resumen de: WO2026154879A1

In the present invention, a plurality of metal salts containing Li and a ternary material are prepared (S1), a blending ratio of the metal salts is adjusted (S2), black mass and the metal salts are mixed (S3), and then heat treatment is performed to synthesize a positive electrode active material (S4). Next, the positive electrode active material, a conductive auxiliary agent, and a binder are charged into a vibration stirring device for vibration stirring to obtain a powder mixture (S5). Thereafter, sheet forming is performed on a positive electrode current collector by using a forming method such as a hot press method (S6), and a positive electrode composed of a dry electrode is obtained. Instead of black mass, a used waste positive electrode material and a waste electrode active material layer can be used. As a result, resources are effectively utilized by reusing used lithium ion batteries, and a practical electrode and lithium ion battery having desired good battery characteristics are obtained at low cost.

ELECTRICITY STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US20260213195A1

An electricity storage device disclosed herein includes an electrode assembly including a positive electrode and a negative electrode. The negative electrode includes a negative electrode composite material layer containing a graphite-based negative electrode active material particle. A mean circularity of the graphite-based negative electrode active material particle is equal to or more than 0.8. With respect to a particle size distribution on a volume basis of the graphite-based negative electrode active material particle that is obtained by a laser diffraction scattering method, all of following conditions are satisfied when a particle diameter whose cumulative frequency from a small particle side is 10% is treated as d10, a particle diameter whose cumulative frequency is 50% is treated as d50, and a particle diameter whose cumulative frequency is 90% is treated as d90: (1) d90/d10 is equal to or more than 5; and (2) d90/d50 is equal to or less than 2.

TRAY DEVICE

Resumen de: WO2026155293A1

The present invention relates to a tray device and, more particularly, to a tray device comprising: a device frame including a first frame, a second frame, and a support frame, wherein the first frame and the second frame are spaced apart from each other at a predetermined interval along a first direction (D1), and the support frame connects the first frame and the second frame; a pressing part disposed in the device frame and configured to press a battery cell, wherein the pressing part includes a driving unit, a pressing unit, and a cell support block, the driving unit being disposed on the first frame and connected to the pressing unit, the pressing unit being disposed inside the device frame and configured to press the battery cell, and the cell support block being configured to support a lower portion of the battery cell; and a height adjustment part disposed in the device frame and connected to the cell support block, wherein the height adjustment part may be configured to move the cell support block in a third direction (D3).

PROCESSING BLACK MASS DERIVED FROM LITHIUM ION BATTERY MATERIALS

Resumen de: WO2026153957A1

The present invention relates to the recycling of used lithium ion batteries and provides a method for processing black mass derived from lithium ion battery materials.

VERFAHREN ZUR HERSTELLUNG EINER BATTERIE

Resumen de: DE102025102429A1

Verfahren zur Herstellung einer Batterie (1), insbesondere einer Fahrzeugbatterie, umfassend die Verfahrensschritte:- Bereitstellen eines eine Aufnahmeausnehmung (3) aufweisenden Gehäusekörpers (2),- Bereitstellen einer Vielzahl von Energiespeicherzellen (4), welche über eine Verbindungseinrichtung (5) miteinander zur Ausbildung einer Zellenbaugruppe (6) verbunden sind,- Einsetzen der Zellenbaugruppe (6) in die Aufnahmeausnehmung (3),- Einbringen eines Schäummaterials (25) in einen Hohlraum (7, 7') der Zellenbaugruppe (6) und/oder in einen zwischen der Zellenbaugruppe (6) und einer Gehäusewandung des Gehäusekörpers (2) angeordneten Hohlraum (7, 7'),- Anordnen eines eine formgebende Formoberfläche (9) aufweisenden Formwerkzeugs (8), das während eines Schäumprozesses des Schäummaterials (25) einen Oberflächenabschnitt des Schäummaterials (25) formt,- Abstützten der Zellenbaugruppe (6) während des Einbringens des Schäummaterials (25) in einen Hohlraum (7, 7') und/oder während des Schäumprozesses des Schäummaterials (25) vermittels einer Abstützeinrichtung (10), wobei die Abstützeinrichtung (10) die Zellenbaugruppe (6) gegenüber dem Formwerkzeug (8) und/oder gegenüber dem Gehäusekörper (2) abstützt.

SECONDARY BATTERY MANUFACTURING SYSTEM AND SECONDARY BATTERY MANUFACTURING METHOD

Resumen de: WO2026155468A1

According to exemplary embodiments, a secondary battery manufacturing system is provided. The system includes the steps of: modeling sub-models; loading the sub-models into an animation program; and merging the sub-models into a model representing a secondary battery manufacturing facility.

CATHODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: WO2026155591A1

Provided are: a cathode active material having improved capacity characteristics and effects of inhibiting metal leaching; and a preparation method therefor, wherein the cathode active material comprises particles of a lithium composite oxide, wherein the lithium composite oxide comprises manganese and a doping element, an average Mn-O (manganese-oxygen) bond length in the lithium composite oxide is less than 2.55 Å, and the sphericity of the particles of the lithium composite oxide is 0.49-0.8. As such, through the preparation of the cathode active material, the structural and thermal stability of a battery may be simultaneously improved, and accordingly, the battery performance in terms of capacity and lifespan may be improved.

NONAQUEOUS ELECTROLYTE POWER STORAGE ELEMENT

Resumen de: WO2026154917A1

A nonaqueous electrolyte power storage element according to one aspect of the present invention is provided with: a positive electrode that has a polyanion compound containing elemental iron; and a negative electrode that has a first graphite and a second graphite. The first graphite is artificial graphite in which at least a part of the surface is coated with non-graphitic carbon. The second graphite is scaly graphite. The average particle diameter of the first graphite is 14-22 μm. The average particle diameter of the second graphite is 2-8 μm. The mixing ratio (the first graphite/the second graphite) of the first graphite to the second graphite is in the range of 75/25 to 93/7 on a volume basis.

BATTERY PACK AND METHOD OF MANUFACTURING SAME

Resumen de: WO2026155475A1

According to one embodiment of the present invention, provided is a battery pack comprising: at least one battery module; a first case configured to accommodate any one part of the battery module; a second case coupled to the first case and configured to accommodate the other part of the battery module; and a heat-resistant member configured to block thermal energy generated in the battery module from being transferred to the first case, wherein the heat-resistant member is disposed between the inner surface of the first case and the battery module so as to block any one of the first case and the battery module from the other.

BATTERY CELL, BATTERY APPARATUS, AND ELECTRIC APPARATUS

Resumen de: WO2026152355A1

The present application discloses a battery cell, a battery apparatus, and an electric apparatus. The battery cell of embodiments of the present application comprises a casing, an electrode assembly, and connecting structures. An end portion of the casing is provided with an electrode terminal; the electrode assembly is arranged in the casing, and the electrode assembly comprises a main body portion and a tab assembly led out from the main body portion in a first direction; the connecting structures are arranged to connect the tab assembly and the electrode terminal, and each connecting structure comprises a first connecting member and a second connecting member which are connected to each other; the first connecting members extend in the first direction and are connected to the tab assembly, and the second connecting members are connected to the electrode terminal; a space is formed between the casing and the main body portion; and the height of the space in the first direction ranges from 5 mm to 40 mm. The problem of reliability of the battery cell is solved.

METHOD FOR MANUFACTURING BATTERY

Resumen de: WO2026155484A1

Disclosed is a method for manufacturing a battery, comprising the steps of: forming a first mark on an electrode sheet; forming a second mark on the electrode sheet on the basis of the first mark; and discharging, from the electrode sheet, a portion including an electrode tab associated with the second mark.

FLUID-CONTAINING ASSEMBLIES

Resumen de: WO2026154408A1

A fluid-containing assembly is described, as well as a method for sealing the fluid-containing assembly using an elastic sealing tape.

METHOD OF MEASURING LITHIUM PLATING IN LITHIUM-ION BATTERIES

Resumen de: US20260211056A1

0000 Lithium plating in a lithium-ion battery is measured as a decrease in resonance frequency amplitude observed during the charging process of the lithium-ion battery. An ultrasonic transmitter is attached to one side of the lithium-ion battery and an ultrasonic receiver is attached to an opposite side of the lithium-ion battery. The lithium-ion battery is charged and, during the charging thereof, a resonance frequency ultrasonic signal is transmitted through the battery using the ultrasonic transmitter, and the signal is received by the ultrasonic receiver. The amplitude of the received resonance frequency ultrasonic signal is measured and compared against a known baseline amplitude associated with the lithium-ion battery to calculate a percentage decrease from the known baseline amplitude. The percentage decrease is output to the user. The percentage decrease corresponds to the degree of lithium plating in the lithium-ion battery and represents a quantifiable measure of the degree of lithium plating.

BUFFER PLATE CONFIGURED FOR CONNECTING TO BATTERY BOTTOM PROTECTIVE PLATE, AND BATTERY PACK

Resumen de: WO2026153395A1

The present utility model relates to the technical field of new energy vehicle accessories, and more specifically, to a buffer plate configured for connecting to a battery bottom protective plate, and a battery pack. The buffer plate comprises a foam material layer and protective layers which are respectively connected to the upper and lower surfaces of the foam material layer, wherein each protective layer comprises a plurality of continuous fiber-reinforced resin composite material layers, and the projections on the horizontal plane of the fiber lengthwise directions of two adjacent continuous fiber-reinforced resin composite material layers have an included angle therebetween. Because the projections on the horizontal plane of the fiber lengthwise directions of two adjacent continuous fiber-reinforced resin composite material layers have an included angle therebetween, fibers in each continuous fiber-reinforced resin composite material layer form a dense, multi-angle interwoven structure. When the buffer plate is subjected to an external impact, energy can be absorbed by means of interlayer shearing force and delamination, thereby avoiding damage and collapse, and effectively protecting the bottom protective plate and a tray. The battery pack comprises the buffer plate, and therefore has a better impact resistance and waterproof performance.

POSITIVE ELECTRODE ACTIVE MATERIAL, ELECTRODE, BATTERY AND METHOD OF PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: US20260213191A1

The positive electrode active material includes olivine lithium manganese iron phosphate. The olivine lithium manganese iron phosphate includes a first dopant at a manganese-iron site. The first dopant is at least one selected from the group consisting of tungsten and molybdenum. The first site occupancy of the first dopant is 1% to 10% at the manganese-iron site.

ALL-SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING SAME

Resumen de: WO2026155520A1

The present invention relates to a positive electrode mixture layer for an all-solid-state battery. More specifically, the positive electrode mixture layer includes: a positive electrode current collector; a positive electrode active material layer on the positive electrode current collector; and a first solid electrolyte layer on the positive electrode active material layer, wherein the positive electrode current collector includes a main body and a positive electrode tab protruding in one direction from the main body, and the first solid electrolyte layer may include a first region adjacent to the positive electrode tab and a second region excluding the first region. The first region includes first solid electrolyte particles, and the second region includes second solid electrolyte particles, wherein the average particle size of the first solid electrolyte particles is larger than the average particle size of the second solid electrolyte particles, and the ratio of the area of the first region to the area of the second region may be 2:8 to 5:5.

CATHODE ACTIVE MATERIAL COMPOSITE, CATHODE AND SECONDARY BATTERY INCLUDING SAME

Resumen de: WO2026155553A1

The present invention relates to a cathode active material composite comprising: a cathode active material; and a coating layer included on at least a portion of the surface of the cathode active material, wherein the coating layer comprises a Br-containing sulfide solid electrolyte and an oxide.

Wärmemanagementsystem für ein Kraftfahrzeug und Kraftfahrzeug

Resumen de: DE102025102114A1

Die hier offenbarte Technologie betrifft erfindungsgemäß ein Wärmemanagementsystem WM für ein Kraftfahrzeug mit einem Niedertemperatur-Kühlmittelkreislauf B, einem Kältemittelkreislauf A, einem Hochtemperatur-Kühlmittelkreislauf C und einer Heizeinrichtung für einen Innenraum des Kraftfahrzeugs. Das Wärmemanagementsystem WM ist für einen Wärmefluss vom Kältemittelkreislauf A zur Heizeinrichtung ausgebildet. Die hier offenbarte Technologie betrifft erfindungsgemäß ferner ein Kraftfahrzeug mit einem solchen Wärmemanagementsystem WM.

LITHIUM SECONDARY BATTERY, BATTERY MODULE, AND BATTERY PACK

Resumen de: WO2026155546A1

The present specification provides a lithium secondary battery, a battery module comprising same, and a battery pack comprising same, the lithium secondary battery comprising: a positive electrode; a negative electrode; a separator between the positive electrode and the negative electrode; and an electrolyte, wherein the negative electrode includes a negative electrode active material layer, the negative electrode active material layer includes a silicon-based active material, the electrolyte includes fluoroethylene carbonate (FEC), and a ratio (B/A) of parts by weight (B) of the silicon-based active material based on 100 parts by weight of the negative electrode active material included in the negative electrode active material layer to parts by weight (A) of the fluoroethylene carbonate (FEC) based on 100 parts by weight of the electrolyte is 4 to 7.

SEPARATOR SLIP PREVENTION IN A BATTERY CELL DURING BATTERY CELL TRAVEL

Resumen de: US20260213249A1

0000 A method of preventing separator slip in a battery cell that is stopped by a stopper in a production line, the method includes transporting the battery cell in a length-wise direction at the production line such that terminal tabs of the battery cell are parallel to a moving direction of the production line, and controlling an acceleration of the battery cell to move on the production line to less than 7G such that the separator slip is prevented in an impact between the battery cell and the stopper.

Verfahren zum Steuern eines Aufladevorgangs einer Energiespeichervorrichtung eines mobilen Endgeräts, Steuervorrichtung, Kraftfahrzeug, Speichermedium, Servervorrichtung, und mobiles Endgerät

Resumen de: DE102025102269A1

Die Erfindung betrifft ein Verfahren zum Steuern eines Aufladevorgangs einer Energiespeichervorrichtung (18) eines mobilen Endgeräts (14), wobei eine Steuervorrichtung (34) ein Kraftfahrzeug (10) feststellt (S1), dessen Energieabgabevorrichtung (12) zum Aufladen mobiler Endgeräte (14) vorbestimmt ist; eine Datenkommunikationsverbindung (46) zwischen dem mobilen Endgerät (14) und der Steuervorrichtung bereitstellt (S2); prüft (S3), ob der Benutzer (16) des mobilen Endgeräts (14) zum Aufladen der Energiespeichervorrichtung (18) des mobilen Endgeräts (14) durch die Energieabgabevorrichtung (12) des festgestellten Kraftfahrzeugs (10) autorisiert ist; bei einem positiven Prüfergebnis ein Freigabesignal erzeugt (S7), das ein Freigeben eines Zugangs zu einem Ladeanschluss (22) an die Energieabgabevorrichtung (12) beschreibt; und das erzeugte Freigabesignal an eine Zugangseinrichtung (26), die einen Zugang zu dem Ladeanschluss (22) des Kraftfahrzeugs (10) reguliert, überträgt (S8). Optional kann die Steuervorrichtung (34) zusätzlich ein vorgegebenes Aufladekriterium überprüfen, welches eine Aufladebedingung beschreibt (S6); und das Freigabesignal nur bei Erfüllen des Aufladekriteriums erzeugen (S7).

BATTERY MANAGEMENT METHOD AND BATTERY MANAGEMENT SYSTEM

Resumen de: WO2026154556A1

The present invention provides a battery management method capable of more appropriately controlling charging and discharging. Specifically, the temperature of a conductive member is estimated on the basis of a module temperature, a battery current value, and the material characteristics of the conductive member (including a bus bar and electrical wiring) (S103). Subsequently, a conductive member resistance value which corresponds to the estimated conductive member temperature is estimated for each conductive member by referring to correlation information which expresses a predetermined correlation between conductive member temperature and conductive member resistance value (S104).

CELL PROCESSING SYSTEM AND CELL PROCESSING METHOD

Resumen de: WO2026154854A1

A cell processing system (1A) comprises a transport device (10), a probe device (30), and a movement device (40). The transport device (10) transports a tray (91) along a transport path (12). A plurality of cells (95) are accommodated in the tray (91). The probe device (30) is disposed above the transport path (12). The movement device (40) moves the tray (91) from the transport path (12) to an upper position (45). The movement device (40) moves the tray (91) from the upper position (45) to the transport path (12). The upper position (45) is a position where the plurality of cells (95) are brought into contact with the probe device (30).

METHOD FOR MANUFACTURING ELECTRODE, ELECTRODE, AND SECONDARY BATTERY COMPRISING SAME

Resumen de: WO2026155420A1

The present invention relates to a method for manufacturing an electrode, an electrode, and a secondary battery comprising the electrode. The method comprises the steps of: applying an electrode active material slurry to one surface or both surfaces of an electrode current collector; drying the electrode active material slurry to form an electrode active material layer; and rolling the electrode active material layer, wherein the electrode active material slurry contains an electrode active material having an average particle diameter (D50) of 4 µm or less, and the rolling is performed using a rolling roll having a surface roughness Ry value of 1 µm or more. Accordingly, it is possible to provide an electrode having improved electrolyte impregnation and a high-performance secondary battery.

BATTERY HOUSING, BATTERY CELL AND BATTERY PACK

Resumen de: WO2026153578A1

A battery housing, a battery cell and a battery pack. The battery housing comprises a first plate body; a second plate body, which is arranged opposite the first plate body; a third plate body, which is arranged between the first plate body and the second plate body; and a fourth plate body, which is arranged between the first plate body and the second plate body and is arranged opposite the third plate body, wherein the first plate body, the second plate body, the third plate body and the fourth plate body form an accommodating structure having a hollow interior and two open ends; the area of the third plate body is greater than that of the first plate body and that of the second plate body; the area of the fourth plate body is greater than that of the first plate body and that of the second plate body; the thickness of the wall of the first plate body is greater than that of the wall of the third plate body and that of the wall of the fourth plate body; and the thickness of the wall of the second plate body is greater than that of the wall of the third plate body and that of the wall of the fourth plate body.

BATTERY DEVICE AND VEHICLE

Resumen de: WO2026153176A1

A battery device (100) and a vehicle (200). The battery device (100) comprises a first plate (10), a second plate (20), battery cells (30) and support members (40), wherein the first plate (10) and the second plate (20) are arranged opposite each other in a first direction; the battery cells (30) are arranged between the first plate (10) and the second plate (20); the support members (40) extend in the first direction; the support members (40) are located between the first plate (10) and the second plate (20); and the support members (40) are arranged closer to the second plate (20) than the battery cells (30).

BATTERY CELL ASSEMBLY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: WO2026152574A1

The present application belongs to the technical field of batteries. Provided are a battery cell assembly, a battery module, a battery pack and an electric device. The battery cell assembly comprises: a battery cell having two side planes opposite each other in a first direction and two main planes opposite each other in a second direction; elastic members arranged on the two main planes of the battery cell and configured to buffer the expansion of the battery cell during charging; U-shaped support members arranged at two opposite ends of the battery cell in the first direction; and a fixing structural member arranged around the outer sides of the battery cell and the U-shaped support members. Each U-shaped support member comprises: two U-shaped support legs, each of which extends in the first direction to cover a portion of an elastic member; and a U-shaped bending portion configured to connect the two U-shaped support legs, the two side planes of the battery cell being surrounded by the U-shaped bending portions. The technical problem to be solved is how to protect the internal structure at the edge of the battery cell from being damaged in a wound structure. The technical effect is to protect the internal structure at the edge of the battery cell from being damaged.

UREA-BASED WATER-COOLING SYSTEM FOR SERVERS

Resumen de: WO2026154468A1

A cooling system for electronic components comprises a temperature sensor, a controller, and a flow management device, facilitating fluid release in response to temperature thresholds. The system includes features like a backup power source, mixing motor, and thermal insulation chamber to enhance heat management efficiency and ensure operational reliability.

BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026152261A1

The present application provides a battery cell, a battery device, and an electric device. The battery cell comprises a casing, an electrode assembly, and a thermally conductive assembly. The casing comprises an opening in a first direction. The electrode assembly and the thermally conductive assembly are accommodated in the casing. The thermal conductivity of the thermally conductive assembly is greater than the thermal conductivity of the casing. The casing comprises a thermally conductive wall configured to be connected to a heat exchange mechanism. The casing is easier to exchange heat with the heat exchange mechanism at the thermally conductive wall. The electrode assembly is connected to the thermally conductive wall by means of a thermally conductive portion, so as to facilitate the exchange of heat between the electrode assembly and the heat exchange mechanism. Thus, the rate of heat exchange between an internal environment and an external environment of the battery cell is improved, so as to better balance the temperature of the battery cell, thereby improving the performance of the battery cell and prolonging its service life.

BATTERY ASSEMBLY AND DEVICE INCLUDING SAME

Resumen de: WO2026155590A1

A battery assembly according to an embodiment of the present invention comprises: a plurality of battery cells; a housing having an accommodation space in which the battery cells are accommodated; and a cooling material positioned in the accommodation space and in contact with the battery cells. At least one shape part having at least one of a concave part or a convex part is provided in the housing.

POSITIVE ELECTRODE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: WO2026155294A1

Disclosed are a positive electrode and an all-solid-state battery comprising same, the positive electrode including a positive electrode active material layer which comprises a positive electrode active material and a solid electrolyte. The positive electrode active material comprises an Li2S-containing composite which comprises Li2S, a lithium salt compound, a boron group metal halide salt, and an electron conductive material, wherein the amounts of Li2S, the lithium salt compound, the boron group metal halide salt, and the electron conductive material are controlled.

LOUVRE FOR A PRISMATIC BATTERY CELL FOR THERMAL RUNAWAY PROPAGATION MITIGATION

Resumen de: US20260213331A1

0000 A thermal runaway propagation mitigation system for a prismatic battery cell includes a plurality of louvres. The louvre provides vent control assistance to direct effluent and other particulates on a particular path while also providing sidewall protection for adjacent prismatic battery cells from particulates during a thermal runaway event. The louvre comprises a plurality of terminal windows that align with terminals on the prismatic battery cell and a thermal vent which detaches under an application of pressure. In an embodiment, the louvre is a one-piece “L” shaped design with a top face and a side face. In another embodiment, the louvre is an overlapping design that comprises two “L” shaped pieces. In another embodiment, the louvre is a one-piece “U” shaped design with a top face and two side faces. In another embodiment, the louvre is a two-piece “U” shaped design with a top face and two side faces.

GLASS, METHOD FOR PRODUCING SAME, CRYSTALLIZED GLASS, SULFIDE SOLID ELECTROLYTE, ELECTRODE MIXTURE, SOLID ELECTROLYTE LAYER, AND LITHIUM ION SECONDARY BATTERY

Resumen de: WO2026155191A1

The present invention relates to glass which contains, as elements that constitute a cationic component, Li, P, and a specific element M as an optional element, and also contains, as elements that constitute an anionic component, S and at least one of a specific element X and a specific element Y as an optional element, and which is represented by the composition formula Li(a + c - m × d - y × e)MdP(1 - d)SbXcYe. In the composition formula, m is the valence of the element M, y is the valence of the element Y, and a to e in the composition formula satisfy the relational expressions -5.30 < a - 2b - 5d < -5.00, 1.50 < a < 7.50, c ≥ 0, 0 ≤ d ≤ 4/7, and e ≥ 0.

METHOD FOR PREPARING FERRIC PHOSPHATE

Resumen de: WO2026155577A1

The present invention relates to a method for preparing ferric phosphate (FePO4) and, more specifically, to a method for preparing ferric phosphate (FePO4), the method comprising the steps of: (a) adding an aqueous ammonia solution to a solution containing Fe and P to precipitate impurities and remove the impurities; (b) adding an aqueous hydrogen peroxide solution to a solution containing Fe and P from which impurities are removed to manufacture a hydrogen peroxide mixture; (c) heating the hydrogen peroxide mixture to synthesize FePO4; (d) separating the synthesized FePO4; (e) washing the separated FePO4 with an acidic washing solution having a pH of 1.3 to 1.6; and (f) heat-treating the washed FePO4 at 600 to 800 ℃ for 3 to 17 hours. According to the present invention, there is the effect of providing a method for preparing ferric phosphate (FePO4), which suppresses the generation of sulfides derived from sulfuric acid and basic solutions as in the prior art in a process of synthesizing FePO4 from waste lithium iron phosphate cathode materials, and removes the sulfides generated from the synthesized FePO4 to increase purity.

Verfahren zum Betreiben eines Fahrzeug-Energiesystems

Resumen de: DE102025101625A1

Es wird ein Verfahren zum Betreiben eines Fahrzeug-Energiesystems (100) mit einem Brennstoffzellensystem (104) mit mehreren Brennstoffzellenstapeln (106, 106') und mit mindestens einem Energiespeicher (110) zum Speichern von elektrischer Energie vorgeschlagen. Das Verfahren umfasst die Schritte: Erfassen von Informationen betreffend das Fahrzeug-Energiesystem (100), Ermitteln einer zu prädizierenden Zeitdauer (TH) für eine Betriebsstrategie des Fahrzeug-Energiesystems (100) basierend auf den erfassten Informationen, Ermitteln einer prädiktiven Betriebsstrategie zum Betreiben des Fahrzeug-Energiesystems (100) basierend auf der ermittelten zu prädizierenden Zeitdauer (TH), und Betreiben des Fahrzeug-Energiesystems (100) gemäß der ermittelten prädiktiven Betriebsstrategie.

SECONDARY BATTERY MANUFACTURING SYSTEM AND SECONDARY BATTERY MANUFACTURING METHOD

Resumen de: WO2026155467A1

According to exemplary embodiments, a secondary battery manufacturing system is provided. The system comprises: a secondary battery manufacturing facility including grippers; and a human-machine interface (HMI) configured to pop up a window for playing a video in response to gripper failures.

Druckausgleichsvorrichtung

Resumen de: DE102025101573A1

Die Erfindung betrifft eine Druckausgleichsvorrichtung für ein Gehäuse, insbesondere ein Batteriegehäuse, umfassend einen Grundkörper (2) aus Kunststoff, einen Deckel (3) aus Metall, welcher zu einer Außenseite des Gehäuses gerichtet ist, und ein Ventilelement (4) zur Notöffnung, wobei das Ventilelement (4) am Grundkörper (2) angeordnet ist und an einem Dichtsitz (5) am Grundkörper (2) abdichtet, und wobei zwischen dem Grundkörper (2) und dem Deckel (3) eine Pressverbindung (6) ausgebildet ist.

EXTERNAL HEAT DISSIPATION DEVICE FOR AIRCRAFT

Resumen de: WO2026153013A1

The present application relates to the technical field of aircraft heat dissipation, and discloses an external heat dissipation device for an aircraft. The external heat dissipation device for the aircraft in the present application is applied to an electric aircraft. The electric aircraft comprises a battery compartment. The battery compartment internally comprises a plurality of heat dissipation channels and a plurality of openings in communication with the heat dissipation channels. The heat dissipation device can be in communication with at least a portion of the plurality of openings to introduce cooling fluid into the battery compartment through the openings, thereby dissipating heat from the interior of the battery compartment. The external heat dissipation device for the aircraft in the present application enables a battery to be cooled to a safe take-off temperature in a short time, thereby increasing the number of flights and increasing utilization.

WATER-COOLING UNIT CONTROL METHOD, WATER-COOLING UNIT, AND ENERGY STORAGE SYSTEM

Resumen de: WO2026153093A1

Embodiments of the present application provide a water-cooling unit control method, a water-cooling unit, and an energy storage system. The method comprises: on the basis of an acquired first fault signal, determining a fault duration, the first fault signal indicating that a power supply module of a water-cooling unit operates abnormally; and when the fault duration is greater than or equal to a specified duration, controlling the water-cooling unit to shut down, and outputting a target fault signal to a control unit of an energy storage system, the target fault signal indicating that a fault has occurred in the water-cooling unit.

SECONDARY BATTERY CELL AND ELECTRIC DEVICE

Resumen de: WO2026152783A1

A secondary battery cell and an electric device. The secondary battery cell comprises a negative electrode sheet, and the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one side of the negative electrode current collector; the negative electrode film layer comprises a solid electrolyte material and a graphite material; the negative electrode film layer comprises a first region and a second region, and the second region is located between the first region and the negative electrode current collector; and the content of the solid electrolyte material in the first region is less than the content of that in the second region.

BATTERY PACK AND VEHICLE

Resumen de: WO2026153319A1

The present application discloses a battery pack and a vehicle. The battery pack comprises: a battery cell assembly, wherein the battery cell assembly comprises a plurality of battery cells; a first heat dissipation assembly, wherein the first heat dissipation assembly is arranged on one side of the battery cell assembly in a third direction; and a second heat dissipation assembly, wherein the arrangement position of the second heat dissipation assembly at least comprises any one of the following: the other side of the battery cell assembly in the third direction, at least part of the circumferential side surface of the battery cell assembly, and a position between at least some adjacent battery cells. The third direction is the height direction of the battery cells. By additionally providing the second heat dissipation assembly in the battery pack to dissipate heat from at least one position among the side surface of the battery cell assembly, one side in the third direction, and the position between adjacent battery cells, the contact area between a cooling system and the battery cell assembly is increased, that is, the heat exchange area between the battery cell assembly and the cooling system is increased, thereby enhancing the cooling effect on the battery cell assembly, enabling the battery cell assembly to satisfy temperature adjustment requirements, and ensuring the service life of the battery pack.

CELL ENCAPSULATION FIXTURE AND CELL ENCAPSULATION APPARATUS

Resumen de: WO2026152763A1

The present application relates to a cell encapsulation fixture and a cell encapsulation apparatus. The cell encapsulation fixture comprises a first fixture plate, a second fixture plate and an adjustment plate, wherein the second fixture plate is arranged to be openable and closable relative to the first fixture plate; and when the second fixture plate covers the first fixture plate, the mutually facing surfaces of the second fixture plate and the first fixture plate are configured as respective clamping surfaces. The adjustment plate is arranged on the clamping surface of at least one of the first fixture plate and the second fixture plate, and is configured to place an aluminum-plastic film and a battery cell. The height of the adjustment plate relative to the clamping surface where the adjustment plate is located in the direction of thickness of the battery cell is adjustable, such that in the direction of thickness of the battery cell, the height of a clamping space for clamping the aluminum-plastic film and the battery cell can be adjusted.

BATTERY CELL CONNECTION ASSEMBLY, BATTERY MODULE, AND VEHICLE

Resumen de: WO2026152524A1

The present application provides a battery cell connection assembly, a battery module, and a vehicle. The battery module comprises the battery cell connection assembly, wherein the battery cell connection assembly comprises: an isolation substrate, a collection wire harness, and a plurality of wire harness holders. The isolation substrate is provided with first pressure relief holes corresponding to explosion-proof valves of battery cells; the collection wire harness extends in a first direction; and the plurality of wire harness holders are mounted on the isolation substrate at intervals in the first direction. The wire harness holders are provided with wire clamp structures configured to limit the collection wire harness, so that the collection wire harness avoids the first pressure relief holes.

METHOD FOR MANUFACTURING LITHIUM IRON PHOSPHATE (LI2FEPO4) CATHODE MATERIAL HAVING A HIGH INITIAL CHARGE

Resumen de: WO2026155639A1

The present invention relates to a preparation method for a batch of the lithium iron phosphate (LiFePO4) cathode material. The method consists in coating the surface of the silicon (Si) particles with lithium iron phosphate (LiFePO4) particles to form a C-LiFePO4-Si composite. A large number of LiFePO4-Si interfaces are formed at the contact points between the LiFePO4 and Si particles, where the Si-O oxygen-containing particles are generated at the interfaces, acting as an additional lithium store, thereby contributing to additional capacity. The method also uses co-doping of the Fe site and the Li site to suppress Fe/Li antisite defects, further improving the initial charge capacity. In addition, by using a precursor of the LiFePO4 ratio, the LiFePO4 cathode material prepared by this method makes it possible to achieve an initial charge capacity of greater than 166 mAh/g. The invention also relates to the LiFePO4 cathode material, to a lithium-ion battery that uses this cathode and to a lithium-ion battery that uses this cathode material.

BATTERY DIAGNOSIS DEVICE AND OPERATION METHOD THEREFOR

Resumen de: WO2026155612A1

A battery diagnosis device according to one embodiment disclosed in the present specification may comprise: an interface for acquiring a plurality of open circuit voltage (OCV) data for a battery unit; and one or more processors for acquiring a plurality of estimated states of charge (SOC) corresponding to at least a part of the OCV data, acquiring a plurality of estimated states of health (SOH) corresponding to at least a part of the plurality of estimated SOC, and diagnosing a degree of occurrence of cathode capacity loss of the battery unit on the basis of a specific estimated SOH satisfying a threshold SOH condition among the estimated SOH.

NEGATIVE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY CONTAINING THE SAME

Resumen de: US20260213167A1

0000 The negative active material according to an embodiment may include a silicon-based active material composite; and a carbon-based active material, wherein the silicon-based active material composite may include silicon oxide (SiOx, 0

ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING ELECTROLYTE

Resumen de: WO2026155404A1

The present disclosure provides an electrolyte for a lithium secondary battery and a lithium secondary battery comprising the electrolyte. The lithium secondary battery according to the present disclosure comprises a positive electrode for a lithium secondary battery, a negative electrode including a negative electrode current collector, a separator interposed between the positive electrode and the negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode may include a positive electrode active material and a sacrificial positive electrode active material, and the electrolyte may include lecithin.

METHOD FOR PREPARING LITHIUM IRON PHOSPHATE (LIFEPO4) CATHODE MATERIAL AND APPLICATION THEREOF

Resumen de: WO2026155640A1

The present invention relates to a method for preparing a high-density and high-capacity lithium iron phosphate (LiFePO₄) cathode material, which is synthesised using a two-stage method. First, a high-density raw material is prepared by sintering and at a low temperature. Second, a portion of the large particles is ground to be smaller due to a high degree of grinding, followed by modification by sintering to prepare the high-density and high-capacity LiFePO₄ material. This method makes it possible to optimise the particle size by controlling the size of the ground particles and adjusting the proportions of large, medium and small particles, thereby obtaining a high-density and high-capacity LiFePO₄ material. Unlike conventional two-stage synthesis methods, this approach does not require large and small particles to be prepared separately, making the process simpler and more cost-effective. The invention also relates to a lithium iron phosphate cathode material and to a lithium-ion battery that uses this material.

INTEGRATED ELECTRICAL AND THERMAL BUSBAR FOR BATTERY PACKS

Resumen de: WO2026154513A1

The present disclosure relates to an integrated electrical and thermal busbar system designed for cylindrical cell battery packs. The system comprises a first busbar (1) and a second busbar (3) interfacing with the positive and negative terminals of a plurality of cylindrical cells (2) via resistance welding. A central connecting rod (5), constructed from high-conductivity materials such as copper or aluminum, bridges these busbars to ensure electrical continuity and facilitate heat transfer. A thermal interface material (4) is strategically positioned to fill voids between the cylindrical cells (2), the central connecting rod (5), and a heat dissipation unit (7), which may be a cold plate or heat sink, thereby optimizing thermal conductivity. The assembly is enclosed within a casing (6) that provides structural integrity and protection. The central connecting rod (5) also functions as a heating element in low-temperature conditions, enhancing the system's versatility.

CELL STRUCTURE AND SOLID-STATE BATTERY

Resumen de: WO2026154553A1

This cell structure (1) includes: a cell laminate (10) provided with a conductive extension part (12); an exterior body (20) that is formed while maintaining airtightness of an internal space (S) and is also formed so as to be plastically deformable; and an internal cover (30) including a first internal cover split body (31) and a second internal cover split body (32), which are capable of being split in a lamination direction (D1). The first internal cover split body (31) is formed with a first excess length part (33a) that protrudes outward, and the second internal cover split body (32) is formed with a second excess length part (33b) that protrudes outward. The first excess length part (33a) is fixed in contact with the second excess length part (33b), or is fixed to the second excess length part (33b) with the conductive extension part (12) interposed therebetween.

NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER AND BATTERY

Resumen de: US20260213194A1

The present disclosure provides a negative electrode active material layer that can increase the initial charge-discharge efficiency of a battery, and a battery comprising the negative electrode active material layer. The negative electrode active material layer 120 of the disclosure comprises negative electrode active material composite particles 10, and a particulate binder 20 which binds together the negative electrode active material composite particles. The negative electrode active material composite particles of the disclosure comprise a carbon material 11 and a tin alloy 12 supported in the carbon material, and have pores 14. The battery 100 of the disclosure has a negative electrode active material layer 120 of the disclosure.

BATTERY CELL, LITHIUM-ION SECONDARY BATTERY AND PREPARATION METHOD THEREFOR, AND ELECTRIC DEVICE

Resumen de: WO2026152817A1

The present application provides a battery cell, a lithium-ion secondary battery and a preparation method therefor, and an electric device. The battery cell comprises a positive electrode sheet and a negative electrode sheet. The positive electrode sheet comprises a positive electrode current collector and a positive electrode active layer arranged on at least one side of the positive electrode current collector, and the positive electrode active layer comprises a lithium nickel cobalt manganese oxide. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active layer arranged on at least one side of the negative electrode current collector, and the negative electrode active layer comprises graphite. The coating weight of the negative electrode active layer is 0.09 mg/1540.25 mm2-0.15 mg/1540.25 mm2. The battery cell satisfies: 0.12 mΩ≤DCR≤0.5 mΩ, wherein DCR is the direct current internal resistance of the battery cell at 25°C and 70% SOC under the conditions of a discharge rate of 4 C and a discharge duration of 10 s.

BATTERY CELL DETECTION METHOD AND SYSTEM

Resumen de: WO2026152776A1

Embodiments of the present application provide a battery cell detection method and system. The method comprises: before winding an anode sheet, a cathode sheet, and a separator, acquiring a plurality of first film widths corresponding to a first main body portion of an anode film layer, and a plurality of second film widths corresponding to a second main body portion of a cathode film layer; acquiring a first electrode sheet misalignment amount obtained by performing X-ray inspection on a battery cell upon the completion of winding, wherein the first electrode sheet misalignment amount is the dimension by which, on the side of the battery cell away from an anode tab, the first main body portion of the anode sheet adjacent to each turn of the cathode sheet extends beyond the second main body portion of the cathode sheet; and on the basis of the plurality of first film widths, the plurality of second film widths, and the first electrode sheet misalignment amount, determining a second electrode sheet misalignment amount, wherein the second electrode sheet misalignment amount is the dimension by which, on the side of the battery cell close to the anode tab, the first main body portion of the anode sheet adjacent to each turn of the cathode sheet extends beyond the second main body portion of the cathode sheet.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE SHEET, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026153283A1

The present application relates to the technical field of electrochemistry. The present application relates to a positive electrode active material, a positive electrode sheet, a battery, and an electric device. The positive electrode active material comprises secondary particles formed by agglomeration of primary particles; the primary particles comprise a carbon-coated iron-based phosphate; and the secondary particles have an internal average porosity of less than or equal to 15%.

INSPECTION MECHANISM AND CONVEYING DEVICE

Resumen de: WO2026153182A1

The present application discloses an inspection mechanism and a conveying device. The inspection mechanism comprises a support portion, an adjustment portion, and at least two inspection portions. The support portion is used for being movably connected to a mounting platform, and is capable of moving in a first direction relative to the mounting platform. An adjustment assembly is movably connected to the support portion, and is capable of moving in a second direction relative to the support portion. A first included angle is formed between the second direction and the first direction. A mounting assembly is connected to the adjustment assembly. Each inspection portion is movably connected to the mounting assembly, and the inspection portion is capable of moving relative to the mounting assembly, so that at least one of an inspection angle and an inspection distance between the corresponding inspection portion and a material can be changed. Thus, during rotation of a conveying turntable, the at least two inspection portions can be used to achieve multi-angle rapid inspection of materials, thereby reducing the working duration occupied by an inspection process.

BATTERY PACK

Resumen de: WO2026152622A1

Disclosed in the present application is a battery pack, comprising: at least two battery modules, wherein recessed assembly grooves are provided at one end on an X axis, electrodes of the battery modules extend into the assembly grooves, and a busbar is integrated between the electrodes; an end cover, which is assembled at one end of the battery modules on the X axis, wherein a quick-connect socket is provided on the end cover; and a battery management system, wherein a quick-connect wire is inserted between the battery management system and the quick-connect socket.

BATTERY TRIGGER DEVICE

Resumen de: US20260213554A1

0000 A battery trigger device belonging to the field of battery technology is provided. The battery trigger device includes: an input device and a message generation device; the message generation device includes a wireless communication module and a control module; the wireless communication module is wirelessly connected to the input device; the wireless communication module is configured to acquire target data sent by the input device; the control module is connected to the wireless communication module; the control module is provided with a wired communication interface for connecting to a management device of a target battery apparatus; the control module is configured to generate a target signal based on the target data and output the target signal to the management device; and the target signal is used to trigger the target battery apparatus to output electrical energy.

Vorrichtung zur Herstellung von Elektroden für Hochvoltspeicher

Resumen de: DE102025102215A1

Vorrichtung (1) zur Herstellung von Elektroden für Hochvoltspeicher, insbesondere für Kraftfahrzeuge, umfassend eine Fördereinrichtung (2), die dazu ausgebildet ist, wenigstens eine Elektrodenfolie (3, 4) zu fördern, insbesondere von einer Rolle (5, 6) abzuwickeln, und eine Formungseinrichtung (7), die dazu ausgebildet ist, aus der Elektrodenfolie (3, 4), insbesondere durch Stapeln oder Wickeln, eine Elektrode einer elektrischen Energiespeicherzelle (11) zu formen, wobei die Vorrichtung (1) eine Erfassungseinrichtung (12) aufweist, die dazu ausgebildet ist, eine Dickeninformation der Elektrodenfolie (3, 4) zu erfassen, die eine Dicke (D) der Elektrodenfolie (3, 4) betrifft.

ELECTROLYTE FOR METALLIC LITHIUM SECONDARY BATTERY, NEGATIVE ELECTRODE FOR METALLIC LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR, NEGATIVE ELECTRODE MODIFIER FOR METALLIC LITHIUM SECONDARY BATTERY, AND METALLIC LITHIUM SECONDARY BATTERY

Resumen de: WO2026155219A1

The purpose of one embodiment of the present invention is to make it possible to stably dissolve and precipitate metallic lithium (avoid or reduce dendrites and dead lithium) and achieve both a high energy density and a cycle life in a metallic lithium secondary battery. An electrolyte for a metallic lithium secondary battery according to one embodiment of the present invention comprises at least one halogenated cyclic phosphoric acid ester represented by formula (1) and a predetermined solvent. (In formula (1), X is halogen, R1-R4 are each independently an alkyl group or hydrogen, and n is an integer of 1-4, provided that when n is an integer of 2-4, the respective R3s may be the same group or different groups and the respective R4s may be the same group or different groups.)

SECONDARY BATTERY

Resumen de: WO2026154976A1

An electrode for this secondary battery is characterized by comprising a core body, a mixture layer disposed on the core body, and a plurality of tabs electrically connecting the core body and an electrode terminal, wherein the plurality of tabs include a first tab on one end side in a longitudinal direction of the mixture layer, a second tab on the other end side in the longitudinal direction of the mixture layer, and a third tab disposed between the first tab and the second tab, the tab resistance of, from among the plurality of tabs, the third tab is highest in value, and the tab resistance of, from among the plurality of tabs, at least one of the first tab or the second tab is lowest in value if the ratio (Y/X) of the distance Y in the longitudinal direction from the other end of the mixture layer to the second tab to the distance X in the longitudinal direction from one end of the mixture layer to the first tab satisfies 0.95 ≤ Y/X ≤ 1.05.

NONAQUEOUS ELECTROLYTE FOR SECONDARY BATTERY, AND SECONDARY BATTERY

Resumen de: WO2026155197A1

This nonaqueous electrolyte for a secondary battery contains dichloromethane and an S-containing cyclic compound. The S-containing cyclic compound has a 5- or 6-membered S-containing ring that contains a sulfur atom.

INTERLAYER WITH METAL SALT, METHOD OF MAKING THE INTERLAYER, AND ANODELESS ALL-SOLID-STATE BATTERY INCLUDING THE INTERLAYER

Resumen de: WO2026155566A1

An anodeless all-solid-state battery (ASSB) and a method of making the anodeless ASSB are provided. The anodeless ASSB includes: a positive electrode, a negative electrode current collector, a solid-state electrolyte, and an interlayer including at least one additive, a carbonaceous material, and a binder. The additive may include a metal compound, nanoparticles, or a combination thereof, the metal compound may be represented by formula MxAy and the nanoparticles may include a metal represented by M of formula MxAy, x and y are integers independently selected from 1 to 6, M may be silver, zinc, indium, tin, bismuth, magnesium, aluminum, or a combination thereof, and A may be nitrate, sulfate, iodide, chloride, fluoride, or a combination thereof. The interlayer may be substantially free of organic amine compounds. A molar ratio of the metal compound to the nanoparticles may be about 100:1 to about 3:1.

BATTERY UNIT, BATTERY CELL ASSEMBLY COMPRISING SAME, AND BATTERY PACK COMPRISING SAME

Resumen de: WO2026155481A1

Provided is a battery unit comprising: a U-shaped barrier sheet including a first portion and second and third portions spaced apart from each other with the first portion therebetween; battery cells which are accommodated in the barrier sheet and are arranged in a first direction; and a gap filler pad between the first portion and the battery cells.

BATTERY PACK

Resumen de: WO2026152278A1

A battery pack includes a housing, a plurality of battery cells, a terminal assembly having a positive terminal and a negative terminal, and a bus bar electrically connecting the plurality of battery cells to the terminal assembly. A resistance value of the bus bar at 25℃ is less than or equal to 0.18 mΩ, and a resistance drift rate of the bus bar is less than or equal to 0.5 μΩ/℃. A distance between a temperature detector to sense the temperature of the bus bar and the bus bar is less than or equal to 5 mm. A controller is coupled to the temperature detector and configured to determine a resistance of the bus bar based on the temperature of the bus bar, and calculate a current of the battery pack based on the voltage and the resistance of the bus bar.

SYSTEM AND METHODS FOR BATTERY ISOLATION FAULT DIAGNOSIS

Resumen de: WO2026155989A1

A battery system may include a plurality of high-voltage (HV) battery packs, each HV battery pack including a plurality of battery cells enclosed within a housing. A battery management system (BMS) can be electrically connected to each of the HV battery packs configured to control the plurality of HV battery packs. The BMS can include a controller configured to identify an isolation breakdown based at least on whether a low resistance connection exists between a portion of a series connection of the plurality of battery cells and a chassis ground of the electric vehicle; and determine an electrical location of a fault in the plurality of HV battery packs based at least on a battery pack positive voltage and a battery pack negative voltage.

IMPROVED BATTERY CONNECTOR

Resumen de: US20260213434A1

A battery connector includes an insulating base having a bottom wall, a surrounding wall and a receiving groove; a negative terminal fixed in the bottom wall and including a first elastic arm with a first contacting portion; a positive terminal having a second elastic arm and a stopping portion, the second elastic arm having a second contacting portion for contacting with a side face of the button cell and two latching portions bending from two sides thereof respectively . The stopping portion is located in a same vertical plane with two distal ends extending out of the receiving groove and abutting against an outer side of the surrounding wall and a middle portion between the two distal ends is located at an inner side of the surrounding wall, and a lower edge of the middle portion is integrally connected with the second elastic arm by an inclined portion.

LIQUID-COOLED IMMERSION-TYPE UPS BATTERY STRUCTURE

Resumen de: WO2026152782A1

The present application relates to a liquid-cooled immersion-type UPS battery structure, comprising a cover plate, a case, a battery cell module, and a cooling liquid. The battery cell module is arranged in the case; the cooling liquid is accommodated in the case, and the battery cell module is immersed in the cooling liquid; the cover plate covers the top of the case; one end surface of the case is provided with a cooling liquid inlet, a cooling liquid outlet, and an explosion-proof valve which are independent of each other; the cooling liquid inlet and the cooling liquid outlet are separately communicated with the case; and the cooling liquid inlet and the cooling liquid outlet are both arranged close to the bottom of the end surface, and the explosion-proof valve is arranged close to the top of the end surface. The present application can achieve overall cooling of the battery cell module and of an electronic component and isolation from oxygen, when thermal runaway occurs in a battery cell, gas generated can be quickly and effectively discharged through the explosion-proof valve outside the case, preventing module explosion, and effectively prolonging the service life of a battery, and the battery structure can be produced and used as a general-purpose product.

BATTERY DISCONNECT UNIT (BDU) AND BATTERY PACK

Resumen de: WO2026153585A1

Provided in the present application are a BDU and a battery pack. The BDU comprises a housing, an electrical assembly, a busbar and a heat dissipation module, wherein the housing comprises a bottom plate; the electrical assembly is mounted in the housing, and is arranged on the bottom plate; the busbar is arranged on the bottom plate, and is electrically connected to the electrical assembly, and the busbar is integrally formed with the bottom plate; and the heat dissipation module is arranged on the housing, and is in heat transfer connection with the busbar. In the present application, the busbar is integrally formed on the bottom plate, such that the difficulty in mounting the busbar on the housing can be reduced, and the bottom plate can provide a stable support for the busbar, thereby enhancing the overall structural rigidity of the busbar, and preventing vibrations, fatigue, etc., caused by a suspended arrangement of the busbar. Moreover, the busbar is arranged on the bottom plate, such that the internal space of the housing can be saved on, the layout design and wiring process of the electrical assembly in an accommodating cavity are simplified, and the production difficulty is reduced, thereby improving the production efficiency and operational stability of the BDU and the battery pack.

PROCESSING ELECTRIC BATTERY FOR RECYCLING

Resumen de: WO2026154275A1

There is provided an apparatus for processing an electric battery for recycling. The apparatus comprises a tank configured to contain a liquid. The apparatus also comprises a support surface configured to support a battery within the tank. The support surface is located within the tank such that the battery is immersed in the liquid in the tank in use. The apparatus further comprises at least one cutting blade configured to be oriented within the tank so as to cut through the battery along a substantially linear path in each of a plurality of cutting directions. Each of the cutting directions is oriented at an angle relative to the other cutting directions.

METHOD FOR MANUFACTURING ELECTRICITY STORAGE DEVICE AND ELECTRICITY STORAGE DEVICE

Resumen de: US20260213314A1

A method for manufacturing an electricity storage device includes a case body preparing step, a closing plate preparing step, and a welding step. The closing plate prepared in the step of preparing the closing plate includes: a closing portion that covers the opening of the case body, while overlapping an edge of the opening; and an insertion portion inserted into the opening along an inner side of the case body with the closing plate closing the opening. In the step of laser-welding the case body and the closing plate, an area located on the closing portion side relative to a boundary between the edge of the opening and the closing portion is irradiated with laser light, thereby welding the edge of the opening and the closing portion at their boundary.

SECONDARY BATTERY

Resumen de: WO2026155105A1

The present disclosure provides a secondary battery comprising: a negative electrode that occludes and releases metal ions; a positive electrode that occludes and releases metal ions; a negative electrode electrolyte that contains an aqueous solvent; a positive electrode electrolyte that contains an aqueous solvent; a negative electrode chamber that accommodates the negative electrode and the negative electrode electrolyte; and a positive electrode chamber that accommodates the positive electrode and the positive electrode electrolyte. The negative electrode chamber and the positive electrode chamber are separated by a partition that is disposed between the negative electrode chamber and the positive electrode chamber and allows metal ions to pass therethrough. The negative electrode electrolyte has a pH greater than the pH of the positive electrode electrolyte. The partition has a structure obtained by stacking two or more layers including at least a first layer and a second layer that contain different cation exchange groups from one other. The first layer contains a polymer compound containing at least one cation exchange group selected from the group consisting of carboxylic acid groups, hydroxycarboxylic acid groups, phosphonic acid groups, phosphinic acid groups, and xanthic acid groups, and is in contact with at least one of the negative electrode electrolyte and the positive electrode electrolyte.

SYSTEMS AND METHODS FOR MANAGING ENERGY IN A VEHICLE

Resumen de: US20260208556A1

0000 A battery temperature difference between a battery temperature and a desired battery temperature, a power electronics temperature difference between a power electronics temperature and a desired power electronics temperature, and a cabin temperature difference between a vehicle cabin temperature and a desired vehicle cabin temperature are calculated. A power tuning factor is generated to determine an amount of cooling power to apply to a refrigerant and an amount of heating power to apply to a battery coolant and a power electronics coolant. Individual valves are either opened or closed to enable heat exchange between one or more of the battery coolant, the power electronics coolant, the refrigerant, and ambient air outside the vehicle to eliminate the battery temperature difference, the power electronics temperature difference, and the cabin temperature difference using the amount of cooling power and the amount of heating power associated with the power tuning factor.

CONTAINER FOR TRANSPORTING CYLINDRICAL BATTERY CELLS, USE OF SUCH A CONTAINER, AND TRANSPORT SYSTEM

Resumen de: WO2026153613A1

A container (100) for transporting cylindrical battery cells (10) is proposed. The container (100) comprises a container base (11) having a sealing groove (19), four side walls (12), a plurality of battery cell chambers (14), a deformation zone (13) surrounding the battery chambers (15), and at least one seal (17) formed on the end face of at least one side wall (12). The seal (17) is configured to be received in the circumferential sealing groove (19) of the container base (11) of another container (100).

Heißgasabscheidestreckenprüfvorrichtung

Resumen de: DE102026102409A1

Die vorliegende Erfindung betrifft eine Heißgasabscheidestreckenprüfvorrichtung (10), umfassend: eine Gasleitstrecke (12) mit einem Einlass (13) und einem Auslass (15), einen Gaskompressor (14) zur Erzeugung eines Gasflusses in der Gasleitstrecke (12); eine Anschlusseinrichtung (16) zum Anschluss einer Heißgasabscheidestrecke (30) an die Gasleitstrecke (12), wobei die Anschlusseinrichtung (16) einen Einlassanschluss (16a) und einen Auslassanschluss (16b) aufweist; eine schaltbare Bypassleitung (18), welche dazu eingerichtet ist, den Gasfluss zwischen der Anschlusseinrichtung (16) und dem Auslass (15) zu schalten; und eine Messeinrichtung (20), die dazu eingerichtet ist, einen am Einlassanschluss (16a) und/oder am Auslassanschluss (16b) vorliegenden Gasparameter zu messen.

POWER STORAGE DEVICE

Resumen de: US20260213381A1

A power storage device includes a battery module in which a laminated structure where a cathode layer and an anode layer face each other with a separator interposed therebetween, immersed in an electrolytic solution, is sealed in laminated packaging, with terminals electrically connected to each of the cathode layer and the anode layer protrude externally, a battery pack that accommodates the same, a cooling channel that circulates a non-conductive coolant in the periphery of the battery module for cooling, and a coolant discharging unit that, in response to leakage of electrolytic solution from the battery module detected by a leakage sensor detecting leakage, causes coolant to be discharged from the coolant channel to the periphery of the battery module, the power storage device configured such that the coolant mixes with the electrolytic solution leaked from the battery module in the battery pack, reducing conductivity of the electrolytic solution.

SECONDARY BATTERY ELECTRODE CUTTING DEVICE

Resumen de: US20260208382A1

The disclosed secondary battery electrode cutting device comprises: a cutting module having an upper blade installed on an upper holder, a lower blade installed on a lower holder, and an adjustment assembly for adjusting a clearance and squareness between the upper blade and the lower blade; a cutting drive unit for operating the upper blade to move up and down toward the lower blade side to cut an electrode sheet; and a cutting byproduct remover for suctioning and discharging cutting byproducts coming from the electrode sheet during cutting of the electrode sheet. The adjustment assembly includes: an upper blade holder support for supporting the upper blade holder; and a clearance adjustment unit and a squareness adjustment unit installed on the upper blade holder support to elastically press and tilt the upper blade holder so that the clearance and squareness between the upper blade and the lower blade are adjusted.

BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026152268A1

The present application provides a battery cell, a battery device, and an electric device. The battery cell comprises a casing and an electrode assembly, wherein the electrode assembly is accommodated in the casing, the electrode assembly is in a wound configuration, the electrode assembly has a straight region and bent regions, and the bent regions are provided at the ends of the straight region. The electrode assembly comprises a positive electrode sheet and a negative electrode sheet, and the positive electrode sheet and the negative electrode sheet have opposite polarities. The positive electrode sheet has a first terminating end, and the first terminating end is located at the end of the outermost ring of the positive electrode sheet. The negative electrode sheet has a second terminating end, and the second terminating end is located at the end of the outermost ring of the negative electrode sheet. At least one of the first terminating end and the second terminating end is provided in the bent region. The battery cell provided in the present application is conducive to reducing the risk of purple spots or lithium plating on electrode sheets.

FINISHING TAPES FOR ALL-SOLID-STATE RECHARGEABLE BATTERIES AND ALL-SOLID-STATE RECHARGEABLE BATTERIES

Resumen de: WO2026155285A1

The present invention relates to finishing tapes for all-solid-state rechargeable batteries and all-solid-state rechargeable batteries comprising same, each finishing tape comprising a base layer and an adhesive layer disposed on the base layer, wherein at least one of the base layer and the adhesive layer contains fire-extinguishing capsules in an amount of 20 wt% to 50 wt%.

BATTERY PACK AND ELECTRONIC DEVICE COMPRISING SAME

Resumen de: WO2026155472A1

The present invention relates to a battery pack and an electronic device comprising same, and, to a battery pack and an electronic device comprising same, which are capable of: detecting, when moisture is condensed in the battery pack, moisture condensation before an accident occurs; performing such a moisture detection function at low cost for a long period of time; inducing the condensed moisture to a location where an electrical short circuit accident is less likely to occur; removing the condensed moisture; and protecting parts vulnerable to insulation, thereby improving electrical stability. The battery pack according to the present invention comprises: a battery unit; a case unit for accommodating the battery unit therein; a moisture condensation unit, which is a portion where moisture is condensed in the case unit; and a sensor unit for sensing the moisture condensed in the moisture condensation unit, wherein the sensor unit includes: a moisture absorption member which is provided in the moisture condensation unit and which changes state if the moisture is absorbed; and a sensor unit for sensing the presence or degree of the moisture through the moisture absorption member of which the state is changed by absorbing the moisture.

KÜHLMITTELDURCHGANGSPLATTEN FÜR EINE BATTERIEZELLENANORDNUNG

Resumen de: DE102025107843A1

Eine Superträger-Anordnung für eine Batteriezellenanordnung umfasst eine linke Kühlmitteldurchgangsplatte, die einen linken Abschnitt umfasst, der einen linken gestanzten Kanalabschnitt definiert, einen rechten Abschnitt, der einen rechten gestanzten Kanalabschnitt, eine linke innere Kanalfläche und eine linke äußere Kanalfläche definiert. Eine Superträger-Anordnung umfasst eine rechte Kühlmitteldurchgangsplatte, die einen rechten Abschnitt umfasst, der einen rechten gestanzten Kanalabschnitt definiert, einen rechten Abschnitt, der einen rechten gestanzten Kanalabschnitt, eine rechte innere Kanalfläche und eine rechte äußere Kanalfläche definiert. Ein Kanalprofil, das durch den linken gestanzten Kanalabschnitt der linken Kühlmitteldurchgangsplatte definiert ist, ist ein Spiegelbild des rechten gestanzten Kanalabschnitts der rechten Kühlmitteldurchgangsplatte und ein Kanalprofil, das durch den rechten gestanzten Kanalabschnitt der linken Kühlmitteldurchgangsplatte definiert ist, ist ein Spiegelbild des linken gestanzten Kanalabschnitts der rechten Kühlmitteldurchgangsplatte.

INTEGRATED BATTERY SENSOR AND ACTUATOR

Resumen de: US20260213286A1

A battery cell includes a battery cell stack including C cathode electrodes including a cathode active material layer arranged on one or both sides of a cathode current collector, A anode electrodes including an anode active material layer arranged on one or both sides of an anode current collector, and S separators, where C, A, and S are integers greater than one. An enclosure surrounds the battery cell stack. A piezoelectric device performing at least one of a sensing and an actuating is arranged in the enclosure and configured to at least one of generate a sensed signal and generate an acoustic signal in response to an applied signal. The piezoelectric device includes a piezoelectric layer made of a fluoropolymer, a first metal layer arranged on one side of the piezoelectric layer, and a second metal layer arranged on an opposite side of the piezoelectric layer.

NON-CARBON GROUP IVB-BASED NITRIDES AS CONDUCTIVE ADDITIVES FOR ALL-SOLID-STATE BATTERY CELLS

Resumen de: US20260213209A1

0000 An all-solid-state battery cell includes C cathode electrodes including a cathode active material layer arranged on one or both sides of a cathode current collector, A anode electrodes including an anode active material layer arranged on one or both sides of an anode current collector, and S separators arranged between corresponding ones of the A anode electrodes and the C cathode electrodes. At least one of the cathode active material layer, the anode active material layer, and the S separators includes a solid electrolyte. At least one of the cathode active material layer and the anode active material layer includes a conductive additive including a transition metal nitride. The transition metal nitride is selected from a group consisting of Group IVb nitrides, poly-nary nitrides, and combinations thereof.

Cathode Active Material for Lithium Secondary Battery, Method of Preparing the Same and Lithium Secondary Battery Including the Same

Resumen de: US20260209072A1

A cathode active material for a lithium secondary battery according to exemplary embodiments of the present disclosure includes lithium metal oxide particles and a sulfur (S)-containing compound and a sodium (Na)-containing compound present on the surface or inside the lithium metal oxide particles. The surface portion of the lithium metal oxide particle has a concentration gradient of sulfur (S). The absolute value of the slope of the XPS signal of sulfur (S) in the surface portion is 20 cps/nm to 80 cps/nm.

ANODE ACTIVE MATERIAL AND SOLID-STATE BATTERY

Resumen de: US20260209052A1

An anode active material including silicon-based particles, in which a ratio a/b of oxygen concentration a (% by mass) of the silicon-based particles determined by ONH elemental analysis, as to specific surface area b (m2/g) of the silicon-based particles determined by nitrogen gas adsorption, is a value of 0.03 or less.

BATTERY CELL, BATTERY APPARATUS, AND ELECTRIC DEVICE

Resumen de: WO2026152834A1

The present application discloses a battery cell, a battery apparatus, and an electric device. The battery cell comprises a negative electrode film layer, the negative electrode film layer comprises a binder, and the binder comprises a lithium-containing high molecular polymer; an electrolyte comprises a lithium salt; and the lithium salt comprises a lithium fluorosulfonimide salt. In the embodiments of the present application, the charging performance of the battery cell can be improved by means of a binder comprising a lithium-containing high molecular polymer; and the high-temperature charging performance of the battery cell can be improved by introducing a lithium fluorosulfonimide salt into the electrolyte. Thus, in battery cells having high energy density, the effects of wide temperature range, long service life, and fast charging can be achieved.

BATTERY MANAGEMENT SYSTEM

Resumen de: US20260213150A1

0000 A battery management system according to the present disclosure includes at least: a three-phase inverter configured to be driven by electric power from a lithium-ion secondary battery; a control unit configured to heat the lithium-ion secondary battery by supplying, to the lithium-ion secondary battery, an alternating current signal of a predetermined frequency generated by the three-phase inverter; and an impedance detection unit configured to detect, from an attenuation characteristic of a high-frequency signal in the lithium-ion secondary battery, a value of the real part of an alternating current impedance used for calculation of the amount of Li deposition. The impedance detection unit is configured to detect a peak voltage of the alternating current signal supplied from the three-phase inverter to the lithium-ion secondary battery.

HEAT EXCHANGE PLATE, BATTERY ASSEMBLY, AND VEHICLE

Resumen de: WO2026153320A1

A heat exchange plate (1), a battery assembly, and a vehicle. The heat exchange plate (1) comprises a main plate body (11). Along a first direction (X), the main plate body (11) is divided into a first portion (111) and a second portion (112) connected to each other. A plurality of flow channels (114) are provided in the first portion (111), the flow channels (114) being used for circulating a coolant. The first portion (111) is configured to contact a first part of a battery cell (3), the first part being a part close to a terminal of the battery cell (3). The second portion (112) is configured to contact a second part of the battery cell (3), the second part being a part away from the terminal of the battery cell (3). Since the coolant does not flow into the second portion (112) of the heat exchange plate (1), the heat exchange plate (1) has a lower demand for coolant, which is conducive to reducing the self-weight of a battery pack using the heat exchange plate (1).

BATTERY PACK

Resumen de: WO2026155470A1

According to exemplary embodiments, a battery pack is provided. The battery pack comprises: a pack housing including a base plate and a sidewall perpendicular to the base plate; a lead coupled to the pack housing; a plurality of battery cell assemblies on the base plate and each including an integrated circuit assembly; a communication device configured to communicate with an antenna of the integrated circuit assembly of each of the battery cell assemblies; and a junction box assembly connected to the communication device, wherein the junction box assembly includes a power connector configured to output power of the plurality of battery cell assemblies.

ELECTRODE ASSEMBLY AND BATTERY INCLUDING THE ELECTRODE ASSEMBLY

Resumen de: US20260213279A1

A cylindrical electrode assembly includes a first electrode, a first separator, a second electrode, and a second separator, with the first electrode, first separator, second electrode, and second separator being stacked and wound into a cylindrical electrode assembly. The first separator includes an extended portion that extends longer than a winding-end-side end of the first electrode. The first extended portion is bent to surround the winding-end-side end of the first electrode.

ELECTROLYTE COMPOSITION, ELECTRODE, AND SECONDARY BATTERY

Resumen de: WO2026154742A1

The present disclosure provides an electrolyte composition containing a polymer, inorganic particles, and an organic solvent. When a specific surface area of the inorganic particles as measured by a multipoint BET method using N2 as an adsorption gas is defined as BET(N2) and a specific surface area of the inorganic particles as measured by a multipoint BET method using H2O as an adsorption gas is defined as BET(H2O), the ratio of the BET(H2O) with respect to the BET(N2) is not less than 0.30.

Entgasungsvorrichtung für eine Traktionsbatterie eines elektrisch oder teilelektrisch angetriebenen Kraftfahrzeugs

Resumen de: DE102025101982A1

Die vorliegende Erfindung betrifft eine Entgasungsvorrichtung (20), eine Traktionsbatterie und ein elektrisch oder teilelektrisch angetriebenes Kraftfahrzeug.Die Entgasungsvorrichtung (20) weist eine Einlassöffnung (21) und eine Auslassöffnung (22) auf, wobei sich zwischen der Einlassöffnung (21) und der Auslassöffnung (22) ein Strömungspfad (23) erstreckt, wobei die Einlassöffnung (21) mit einem Berstelement (24) fluiddicht verschlossen ist, wobei die Entgasungsvorrichtung (20) eine federbelastete Rückschlagarmatur (25) aufweist, wobei die Rückschlagarmatur (25) reversibel aus einer Verschlussstellung auslenkbar ist, wobei ein Auslenken der Rückschlagarmatur (25) aus der Verschlussstellung entgegen der Federkraft erfolgt, derart, dass bei Überschreiten eines Grenzüberdrucks in einem von dem Berstelement (24) und der Rückschlagarmatur begrenzten Bereich des Strömungspfads (23) gegenüber einem außerhalb der Traktionsbatterie (1) herrschenden Umgebungsdruck die Rückschlagarmatur (25) aus der Verschlussstellung ausgelenkt wird, wobei die Entgasungsvorrichtung (20) eine Sensoreinrichtung (26) aufweist, wobei die Sensoreinrichtung (26) in dem von dem Berstelement (24) und der Rückschlagarmatur begrenzten Bereich des Strömungspfads (23) angeordnet und dazu eingerichtet ist, basierend auf den Eigenschaften des in diesem Bereich des Strömungspfads (23) befindlichen Mediums ein Entgasen einer der Batteriezellen über die Entgasungsöffnung zu detektieren.

Temperiersystemn für ein Elektrofahrzeug

Resumen de: DE102025101999A1

Die Erfindung betrifft ein Temperiersystem (1) für ein Fahrzeug (50), mit einer zur Verbindung mit einem Fahrzeug-Wärmetauscher (30) ausgebildeten Fluidleiter-Einheit (2), die einen ersten Fluidkanal (4) für einen Zulauf-Fluidstrom (F1) und einen zweiten Fluidkanal (5) für einen Rücklauf-Fluidstrom (F2) aufweist. Um einen effizienten Betrieb eines fahrzeuginternen Wärmekreislaufs zu ermöglichen, ist erfindungsgemäß vorgesehen, dass die Fluidkanäle (4, 5) in einem zusammenhängenden Leitungskörper (3) ausgebildet und durch einen Trennbereich (7) des Leitungskörpers (3) fluidisch getrennt sind, wobei der zweite Fluidkanal (5) den ersten Fluidkanal (4) wenigstens teilweise derart umgibt, dass er zwischen dem ersten Fluidkanal (4) und einer Außenfläche (18) des Leitungskörpers (3) zwischengeordnet ist.

CAPSULE-SENSOR SYSTEMS AND METHODS FOR BATTERY AGING AND THERMAL RUNAWAY DETECTION

Resumen de: US20260213287A1

A battery health and safety management system and methods of use are provided. The battery health and safety management system may comprise a vehicle and an active sensing and venting module (ASVM) coupled to the vehicle, comprising a fan, one or more sensors, and a venting mechanism. The battery health and safety management system may comprise a battery pack comprising a plurality of battery cells, an insulator positioned between the plurality of battery cells, and one or more capsules positioned within or on the insulator. The one or more capsules may be configured to house a gas and rupture in the event of a battery pack anomaly, releasing the gas. The one or more sensors may be configured to detect the gas after a rupture of one or more of the one or more capsules.

Flüssigkeitskühlvorrichtung und elektrische Übertragungsbaugruppe

Resumen de: DE102026102042A1

Die vorliegende Erfindung betrifft eine Flüssigkeitskühlvorrichtung und eine elektrische Übertragungsbaugruppe. Die Flüssigkeitskühlvorrichtung umfasst: eine wärmeleitende Komponente (10), die für den thermischen Kontakt mit einer elektrischen Übertragungskomponente (2) verwendet wird; und ein Flüssigkeitskühlrohr (14), das in der wärmeleitenden Komponente (10) installiert ist. Die wärmeleitende Komponente (10) ist dazu ausgelegt, die Wärme der elektrischen Übertragungskomponente (2) an die Kühlflüssigkeit im Inneren des Flüssigkeitskühlrohrs (14) zu übertragen, um die elektrische Übertragungskomponente (2) zu kühlen. In den vorgenannten beispielhaften Ausführungsformen gemäß der vorliegenden Erfindung weist die Flüssigkeitskühlvorrichtung eine einfache Struktur und geringe Kosten auf und kann die elektrischen Übertragungskomponenten effektiv kühlen.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION BATTERIES, METHOD FOR MANUFACTURING SAME, AND SODIUM-ION BATTERY

Resumen de: US20260213174A1

Disclosed is a positive electrode active material for sodium-ion batteries that has high capacity. The positive electrode active material for sodium-ion batteries of the present disclosure comprises a Na-containing composite oxide having a chemical composition represented by NaxFeyM1-yOz (wherein 3.0

THERMAL MANAGEMENT METHOD FOR ENERGY STORAGE SYSTEM, AND ENERGY STORAGE SYSTEM

Resumen de: WO2026153062A1

The present application relates to the technical field of energy storage management, and discloses a thermal management method for an energy storage system, and an energy storage system. The thermal management method for an energy storage system comprises: acquiring battery cell temperature data and working state data of each battery cluster; and on the basis of the battery cell temperature data and/or the working state data, adjusting a flow direction of a refrigerant by means of a reversing device. The flow direction of the refrigerant flowing through each battery cluster can be managed by means of the reversing device, and on the basis of the battery cell temperature data and/or the working state data of each battery cluster, differences between the battery clusters can be determined. Thus, a battery cluster different from the other battery clusters is processed on the basis of the reversing device, thereby changing the flow direction of the refrigerant flowing through the battery cluster, reducing temperature differences between the battery clusters and thermal management power consumption, and improving thermal management performance.

BATTERY CELL, SEPARATOR, BATTERY DEVICE AND ELECTRICAL DEVICE

Resumen de: WO2026153268A1

Provided in the embodiments of the present application are a battery cell, a separator, a battery device, and an electrical device. The battery cell comprises a separator, which is disposed between a negative electrode sheet and a positive electrode sheet. The separator comprises: a porous base film; a first coating, which is disposed on the side of the porous base film close to the negative electrode sheet; and a second coating, which is disposed on the side of the porous base film close to the positive electrode sheet. The separator satisfies: ε13>ε2, wherein ε1 represents the average porosity of the first coating, ε2 represents the average porosity of the second coating, ε3 represents the average porosity of the porous base film, and ε13 represents the average porosity of the first coating and the porous base film. The battery cell of the present application achieves good reliability and prolongs the cycle life of the battery cell.

NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE SHEET AND SECONDARY BATTERY

Resumen de: WO2026153265A1

A negative electrode material, a negative electrode sheet and a secondary battery. The negative electrode material comprises an inner core and a coating layer arranged on at least part of the surface of the inner core, wherein the inner core comprises a matrix and an active material, and at least part of the active material is arranged inside the matrix. The atomic percentage content of oxygen on the surface of the negative electrode material is A1%; the atomic percentage content of oxygen in a surface layer of the negative electrode material is A2%; the atomic percentage content of oxygen in an inner layer of the negative electrode material is A3%; and A1 is greater than A2, and 2≤A3≤10. The negative electrode sheet or the secondary battery that uses the negative electrode material has a relatively high reversible specific capacity and initial Coulombic efficiency, and a good cycling stability.

BATTERY APPARATUS AND ELECTRIC DEVICE

Resumen de: US20260213303A1

0000 Provided are a battery apparatus and an electric device. The battery apparatus includes: a plurality of battery sets, where the battery sets are sequentially arranged along a first direction, the battery sets include a wrapping shell and at least one pouch battery cell, the pouch battery cell is disposed inside the wrapping shell, and among the plurality of battery sets, a heat insulating member is provided between at least two adjacent battery sets.

BATTERY APPARATUS AND ELECTRIC DEVICE

Resumen de: US20260213297A1

0000 A battery apparatus and an electric device are provided. The battery apparatus includes a plurality of pouch cells and a heat dissipation member. The plurality of pouch cells are arranged along a first direction, and the heat dissipation member is disposed between two adjacent pouch cells.

ASYMMETRIC ETHER SOLVENTS FOR LITHIUM-METAL BATTERIES

Resumen de: WO2026155773A2

Asymmetric non-fluorinated ethers (e.g.. 1,2-methoxy ethoxy ethan(EME), 1-methoxy-2-propoxy ethane (MPE), 1-methoxy-2-isopropoxy ethane (MiPE)). and fluorinated EME solvents exhibit high performance for lithium-metal batteries. Among fluorinated EME-based solvents are 1- methoxy-2-(2-fluoroethoxy) ethane (F1EME), 1-methoxy -2-(2,2-difluoroethoxy) ethane (F2EME), and l-methoxy-2-(2,2,2-trifluoroethoxy) ethane (F3EME). Electrolyte compositions obtained by mixing lithium bis(fluorosulfonyl)imide (LiFSI) with the aforementioned solvents enable high coulombic efficiency and lithium metal compatibility. Cycling with diverse electrodes (NMC811, LFP, NMC532, Ni95, SPAN (sulfurized polyacrylonitrile), and Si) reveals high lithium metal compatibility, oxidative stability, rate performance in high-voltage full cells, and excellent cyclability.

BATTERY APPARATUS AND ELECTRIC DEVICE

Resumen de: US20260213338A1

Provided is a battery apparatus including a plurality of pouch battery cells sequentially stacked and electrically connected and a wrapping shell wrapped outside the plurality of pouch battery cells and configured to restrain the plurality of pouch battery cells at least from three directions, a strength of the wrapping shell being higher than a strength of a flexible shell of the pouch battery cell, where a thickness of a plate of the wrapping shell for restraining the plurality of pouch battery cells is less than or equal to 5.2 mm and greater than or equal to 0.2 mm.

Verfahren und Vorrichtung zur kühlplattenintegrierten Kompensation eines Batteriezellenschwellens

Resumen de: DE102025102027A1

Die vorliegende Erfindung betrifft ein Verfahren zur kühlplattenintegrierten Kompensation eines Batteriezellenschwellens, bei dem zwischen mehreren in einem Batteriemodul angeordneten Batteriezellen jeweilig eine Kühlplatte (11) positioniert wird, bei dem die Kühlplatte durch einen Plattenkörper gebildet wird, welcher auf beiden Seiten von einer jeweiligen Deckschicht umgeben wird, wobei die beiden Deckschichten über jeweilige Kanten des Plattenkörpers mediendicht miteinander verbunden werden, bei dem in einer dadurch gebildeten Umhüllung ein Kühlmitteleinlass (12) und ein Kühlmittelauslass (13) angeordnet werden, bei dem alle Kühlmitteleinlässe und alle Kühlmittelauslässe der Kühlplatten des Batteriemoduls an ein Kühlmittelumwälzungssystem mit einem vorgegebenen Kühlmitteldruck angeschlossen werden, und bei dem über den Kühlmitteldruck eine Verspannkraft zwischen den Batteriezellen geregelt wird. Ferner wird eine Vorrichtung vorgestellt, welche das Verfahren umsetzt.

BATTERY ASSEMBLY

Resumen de: US20260213355A1

0000 The present disclosure relates to a battery assembly comprising: a plurality of battery cells arranged along a stacking direction; a receiving case that receives the plurality of battery cells; a busbar located at a side surface of the plurality of battery cells inside the receiving case and disposed along the stacking direction; a busbar terminal portion protruding from the busbar inside the receiving case and bent to surround at least a portion of the plurality of battery cells; and a circuit portion disposed on the same plane as one bent end of the busbar terminal portion and electrically connected to the busbar terminal portion.

SELF CHECKING SYSTEM FOR INSPECTION DEVICE

Resumen de: US20260213288A1

0000 The present disclosure relates to a self-checking system for an inspection device. The self-checking system for an inspection device may comprise: a stage, an object to be inspected placed on the stage, a plurality of imaging devices arranged around the object, a determination unit determining whether there is an offset between the object and placements of the plurality of imaging devices based on a plurality of images obtained from the plurality of imaging devices, and an alarm unit alerting the presence or absence of the offset determined by the determination unit.

BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026152354A1

The present application provides a battery cell, a battery device, and an electric device. The battery cell is a metal battery or a sodium-ion battery. The battery cell comprises a casing, an electrode assembly, and a support member. The casing comprises a housing and a cover plate; the housing comprises side walls; the side walls define an accommodating cavity having an opening in a first direction; and the cover plate covers the opening and seals the accommodating cavity. The electrode assembly is arranged in the accommodating cavity. The support member is used for supporting the electrode assembly; the support member is arranged between the electrode assembly and the side walls and a cavity structure is formed between the electrode assembly and the side walls; and the cavity structure is communicated with the space where the electrode assembly is located.

POLYMER PAD FOR ALL-SOLID-STATE BATTERY, ALL-SOLID-STATE BATTERY SYSTEM COMPRISING SAME, AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2026155286A1

The present invention relates to a polymer pad for an all-solid-state battery, an all-solid-state battery system comprising same, and a manufacturing method therefor. More specifically, the polymer pad for an all-solid-state battery comprises crosslinked polyurethane having a melting point (Tm) of 170°C or higher in a differential scanning calorimetry (DSC) analysis, and has a thickness of 1 mm to 1.5 cm.

SYSTEMS AND METHODS OPERABLE FOR MONITORING STATE OF CHARGE OF BATTERIES

Resumen de: US20260211050A1

0000 In a battery monitoring system, a stimulus circuit applies a stimulus signal to a battery. A sampling circuit synchronously samples a voltage and a current, associated with the battery, at a sampling frequency to obtain a set of voltage values and a set of current values. A storage unit stores multiple datasets, each of which includes a frequency value, an imaginary impedance value, and an SOC value. A processing unit determines an imaginary part of the battery's impedance, corresponding to a stimulus frequency carried in the stimulus signal, based on the voltage values and the current values, and searches the multiple datasets for one or more matched datasets. The frequency value and the imaginary impedance value in the matched dataset “match” the stimulus frequency and the imaginary part, respectively. The processing unit determines a reference value of the battery's SOC based on the SOC value in the matched dataset.

BATTERY PACK

Resumen de: US20260213358A1

0000 A battery pack includes: a plurality of battery stacks, each of the plurality of battery stacks including a plurality of battery cells stacked in a first direction; a case configured to house the battery stack; and a plurality of busbars configured to electrically connect the plurality of battery cells to each other. Th plurality of the battery stacks are arranged in a second direction perpendicular to the first direction in the case. The plurality of busbars include a first busbar arranged to span between the battery stacks adjacent to each other in the second direction and connected to terminals of the battery cells included in different battery stacks so as to electrically connect the battery cells included in the different battery stacks. The plurality of battery cells arranged in the second direction at a same position in the first direction are electrically connected in series by the first busbar.

BATTERY PACK STRUCTURE

Resumen de: US20260213329A1

A battery pack structure includes a battery module and a case that houses the battery module. The case includes a lower case that is disposed below the battery module. The case also includes an upper case that is disposed above the lower case and is made of a fiber reinforced resin.

COMPOSITE CURRENT COLLECTOR

Resumen de: US20260213214A1

0000 A current collector for a lithium-ion battery includes a polymer substrate, a first layer of functional material positioned onto a top surface of the polymer substrate and a second layer of functional material positioned onto a bottom surface of the polymer substrate, a first metal layer applied onto the first layer of functional material, and a second metal layer applied onto the second layer of functional material, wherein, the first layer of functional material is positioned between and interconnecting the first metal layer and the substrate and the second layer of functional material is positioned between and interconnecting the second metal layer and the polymer substrate.

BATTERY CELL WITH REDUCED FORMATION OF INACTIVE LITHIUM

Resumen de: US20260213218A1

A battery cell includes C cathode electrodes each including a cathode active material layer and a cathode current collector, A anode electrodes each including an anode active material layer and an anode current collector, and S separators, where C, A, and S are integers greater than one. An interlayer is arranged between each of the S separators and the cathode active material layer of each of the C cathode electrodes. The interlayer includes a porous conductive network including one of a wire mesh layer and a perforated metal layer.

CATHODE ACTIVE MATERIAL FOR ANION BATTERY AND ANION BATTERY

Resumen de: US20260213189A1

A cathode active material for an anion battery according to the present disclosure is a compound containing a lanthanoid, sulfur, and chlorine. An anion battery according to the present disclosure includes a cathode active material layer. The cathode active material layer contains the cathode active material of the present disclosure.

THERMAL PROPAGATION MANAGEMENT SYSTEM AND METHOD

Resumen de: US20260213333A1

0000 A rechargeable energy storage system (RESS) for a vehicle having thermal propagation vent gas management includes at least one battery module disposed within the RESS. The at least one battery module includes a battery module tray, a plurality of individual battery cells disposed within the battery module tray, a battery module cover arranged adjacent to a first side of the battery module tray, and a thermal propagation (TRP) hat arranged adjacent to a venting side of the plurality of individual battery cells. The TRP hat includes a diverter plate having a plurality of vent gas diverters, and a mica burst sheet arranged adjacent to the diverter plate. The TRP hat and the battery module cover define an expansion chamber.

ELECTRODE AND SECONDARY BATTERY

Resumen de: US20260213379A1

An electrode includes an electrode plate including a substrate and an active material layer located on a portion of the substrate. A protective layer including two or more regions having different thicknesses is provided on the electrode plate.

BATTERY MODULE AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US20260213275A1

0000 In a method for manufacturing a battery module, a first laminate is formed by sealing, with a sealing material, the periphery of a region from one outermost electrode foil to one bipolar electrode foil of the battery module. A second laminate is formed by sealing, with the sealing material, the periphery of a region from the other outermost electrode foil to one electrolyte layer of the battery module, namely to one electrolyte layer that is to face the one bipolar electrode foil. The first laminate and the second laminate are stacked on top of each other, and a thermally conductive foil is heated to thermally weld the seal portion to the thermally conductive foil.

Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same

Resumen de: US20260213255A1

An electrolyte for a lithium secondary battery according to embodiments of the present disclosure includes a sulfonamide-based compound represented by Chemical Formula 1, used as an additive, and a lithium salt. A lithium secondary battery including the electrolyte for a lithium secondary battery may exhibit improved high-temperature storage properties under high-voltage conditions.

BATTERY DEVICE AND ELECTRIC DEVICE

Resumen de: US20260213363A1

Disclosed is a battery device, including a battery cell assembly and a sampling assembly. The battery cell assembly includes a plurality of battery cells sequentially connected in series. The sampling assembly includes a plurality of sampling parts, a plurality of connection wire harnesses, and an output port. Each sampling part is electrically connected to at least one connection wire harness, the plurality of connection wire harnesses is all connected to the output port. The plurality of sampling parts includes a first sampling part and a second sampling part, which are provided with a sampling point that can be electrically connected to the series path of the battery cells. In the series path of the plurality of battery cells, the number of the battery cells between the sampling points of at least two adjacent second sampling parts is greater than or equal to two.

BATTERY APPARATUS, ELECTRIC APPARATUS, AND METHOD FOR PROCESSING BATTERY APPARATUS

Resumen de: US20260213354A1

A battery apparatus, an electric apparatus, and a method for processing a battery apparatus are provided, and pertain to the field of battery technologies. The battery apparatus includes multiple battery cell groups, where the multiple battery cell groups are stacked in a first direction, and each battery cell group includes at least one pouch cell; and each of the battery cell groups located between two ends in the first direction has one terminal in a second direction electrically connected to the battery cell group upstream in the first direction, and the other terminal in the second direction electrically connected to the battery cell group downstream in the first direction; where a flexible bent conductive structure is formed at a connection position of the two interconnected battery cell groups, and the first direction and the second direction are arranged at an angle.

BATTERY CELL ASSEMBLY, BATTERY APPARATUS, AND ELECTRIC APPARATUS

Resumen de: US20260213361A1

A battery cell assembly, a battery apparatus, and an electric apparatus. The battery cell assembly includes: a plurality of pouch battery cells sequentially electrically connected. The pouch battery cell includes a housing, an electrode assembly, and electrode leads. The electrode assembly is disposed within the housing, the electrode leads are electrically connected to the electrode assembly, and at least a portion of the electrode lead is exposed outside the housing. The electrode leads of two adjacent pouch battery cells are directly connected.

CHARGING AND DISCHARGING APPARATUS AND CONTROL METHOD THEREOF

Resumen de: US20260213564A1

The present disclosure relates to a charging and discharging apparatus and a control method thereof, the charging and discharging apparatus including: a jig for supporting a battery cell; a temperature sensor disposed at one side of the jig and configured to measure a temperature of the battery cell or a temperature of a region adjacent to the battery cell; a charging and discharging channel electrically connected to the battery cell; and a control unit configured to control a voltage and a current of the battery cell through the charging and discharging channel to charge or discharge the battery cell and to calculate an electric capacity of the battery cell.

LITHIUM SECONDARY BATTERY

Resumen de: WO2026154562A1

The present disclosure provides a means capable of reducing cell resistance in a lithium-deposition-type lithium secondary battery equipped with a negative electrode intermediate layer. Provided is a lithium secondary battery comprising a power generation element which has: a positive electrode having a positive electrode active material layer containing a positive electrode active material; a negative electrode which has a negative electrode current collector and in which lithium metal is deposited during charging; a solid electrolyte layer interposed between the positive electrode and the negative electrode, and containing a solid electrolyte; and a negative electrode intermediate layer that is interposed between the negative electrode current collector and the solid electrolyte layer, and contains at least one type of particle selected from the group consisting of metal particles and carbon particles. Therein, the surface roughness (Ra) of a surface X of the negative electrode current collector which faces the negative electrode intermediate layer is 0.2μm or more.

HIGH POWER ELECTRODES FOR USE IN ELECTROCHEMICAL CELLS

Resumen de: US20260213172A1

The present disclosure provides a method for manufacturing a high power electrode for an electrochemical cell is disclosed. The method involves mixing silicon oxide (SiOx), graphite, binders, additives, and conductive diluents to form an admixture. A water-based solvent, in the range of 40 to 50% by weight, is added to the admixture to create a slurry with a viscosity exceeding 3000 mPa·s. The slurry is uniformly coated onto a conductive foil to form a layer of coat. The coated electrode is then dried at a controlled high temperature ranging from 40° C. to 120° C. to ensure consistent coating, adherence, and optimized porosity. Subsequently, the dried electrode is calendared by applying pressure to reduce the thickness of the coated layer to 70 μm to 90 μm. This process results in a high-power electrode with enhanced mechanical stability, uniform thickness, and optimized pore structure.

BATTERY PACK

Resumen de: WO2026155487A1

The technical concept of the present invention provides a battery pack comprising: a pack frame; and a battery module provided in the pack frame. The battery module comprises: a module housing including a first end plate and a second end plate; a plurality of battery cells provided between the first end plate and the second end plate and including a first battery cell and a second battery cell; an inter-cell pad provided between the first battery cell and the second battery cell; a first insulating filling layer at least partially filling a space between the first battery cell and the first end plate; and a second insulating filling layer at least partially filling a space between the second battery cell and the second end plate.

System, Drying Device and Method for Double-Sided Drying of a Coated Film, in Particular a Battery Electrode Film

Resumen de: US20260210626A1

0000 The present disclosure relates to a system for drying a coated film on both sides, the system including a first radiation source module configured to emit first radiation toward a first side of the coated film, a second radiation source module configured to emit second radiation toward a second side of the coated film, and a transport means configured to guide the coated film along a transport direction between the first and second radiation source modules. The present disclosure further relates to a corresponding drying apparatus and a corresponding method for drying a coated film on both sides.

System and Method for Controlling a Drying Process of a Coated Film, in Particular a Battery Electrode Film

Resumen de: US20260210625A1

0000 The present disclosure relates to a system for controlling a drying process of a coated film, the system including a sensor configured to detect one or more drying-process characteristics of the coated film, an optical radiation source module configured to emit radiation toward the coated film, and a control device configured to control the radiation of the optical radiation source module based on the drying-process characteristics. The present disclosure also relates to a corresponding method for controlling a drying process of a coated film.

BATTERY MODULE

Resumen de: US20260213327A1

0000 A restraining member includes: a body extending in the predetermined direction; and fixed ends extending in a direction intersecting the predetermined direction from both ends of the body and each facing a corresponding one of opposite end faces of the end plates, each of the opposing end faces being an end face of a corresponding one of the end plates in the predetermined direction. A fixing recess configured to receive the fixed end is provided at an end of the end face on a side closer to the body. At least part of an edge of the fixing recess on a side opposite to the body and at least part of an edge of the fixed end on the side opposite to the body has a protrusion-and-recess shape. The edge of the fixing recess and the edge of the fixed end are welded to each other.

POSITIVE ELECTRODE ACTIVE MATERIAL, BATTERY, AND METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: US20260213192A1

A positive electrode active material includes a plurality of secondary particles, wherein each of the secondary particles includes a plurality of primary particles, each of the primary particles contains an olivine-type phosphate compound, carbon is attached to at least part of a surface of the primary particle, a cross-sectional surface of the secondary particle includes a first region and a second region, the first region includes a center of the secondary particle, the second region includes a surface of the secondary particle, a minimum circumscribed circle of the cross-sectional surface of the secondary particle has a radius of D, the first region is a circle including a center of the minimum circumscribed circle and having a radius of 0.5D, a relationship of 1.1≤V1/V2 is satisfied, the V1 is a pore volume (cm3/g) in the first region, and the V2 is a pore volume (cm3/g) in the second region.

PRESS DEVICE AND PRESS METHOD

Resumen de: US20260208474A1

0000 A press device is configured to transfer a transfer body to a substrate sheet. The press device has a transfer sheet roll body around which a transfer sheet including the transfer body is wound, a transfer roller which transfers the transfer body to the substrate sheet, and an expander roll which applies a tension to the transfer sheet. The expander roll is disposed upstream of the transfer roller in a conveyance direction of the substrate sheet, and applies the tension to the transfer sheet in a width direction.

BATTERY DEVICE, ENERGY STORAGE DEVICE, ENERGY STORAGE SYSTEM, ELECTRIC DEVICE, AND CHARGING NETWORK

Resumen de: US20260213359A1

0000 A battery device, an energy storage device, an energy storage system, an electric device, and a charging network are disclosed. A parallel unit of the battery device includes a plurality of pouch battery cells connected in parallel. A parallel circuit is provided between at least two pouch battery cells. A thermally conductive housing accommodates the plurality of pouch battery cells in a single parallel unit. A series unit includes the pouch battery cells connected in series to form a series circuit, with cells separately located in multiple parallel units. A current limiter is provided in one of the parallel circuits and is located outside the series circuit to limit the current in the corresponding parallel circuit.

BATTERY APPARATUS, ENERGY STORAGE APPARATUS, ENERGY STORAGE SYSTEM, ELECTRIC APPARATUS, AND CHARGING NETWORK

Resumen de: US20260213315A1

A battery apparatus is disclosed, along with an energy storage apparatus, an energy storage system, an electric apparatus, and a charging network. The battery apparatus includes an energy unit having a housing and a pouch battery cell disposed therein. The pouch battery cell comprises a pouch housing, an electrode assembly sealed within the pouch housing, and an electrode lead-out portion at least partially enclosed in the pouch housing and electrically connected to the electrode assembly. A sealing portion is formed at one end of the pouch housing along a first direction, and at least a portion of the electrode lead-out portion extends through the sealing portion. The battery apparatus further includes a liquid collection structure arranged at an end of the pouch battery cell in the first direction, positioned below the sealing portion to collect liquid leakage.

ELECTRIC WATER HEATING SYSTEM

Resumen de: WO2026154138A1

In a first aspect of the present invention there is provided an electric water heating system. The electric water heating system comprises a fluid-cooled battery pack comprising at least one battery cell and at least one battery cooling duct thermally coupled to the at least 5 one battery cell. The electric water heating system further comprises an electrical water heating device electrically coupled to the at least one battery cell. The electric water heating system further comprises a plurality of power electronics components located above the fluid-cooled battery pack. The power electronics components are electrically coupled to the at least one battery cell. The electric water heating system further comprises 10 a power component cooler for cooling the power electronics components. The power component cooler defines at least part of a power cooling duct that is thermally coupled to the power electronics components and fluidly coupled to the battery cooling duct such that, in use, a heat exchange fluid flows through both the battery cooling duct and the power cooling duct

INTELLIGENT LIQUID COOLING SYSTEM FOR ELECTRIC VEHICLE

Resumen de: US20260214865A1

Disclosed are intelligent liquid cooling systems for electric vehicles. The systems include a coolant circulation system, a sensor, and a controller. The coolant circulation system includes a coolant circulation path filled with a liquid coolant in thermal communication with a subsystem of the electric vehicle, and a coolant circulator to flow the liquid coolant through the coolant circulation path. The sensor is configured to be circulated through the coolant circulation path by the flowing liquid coolant, where the sensor is configured to sense localized physical conditions of the liquid coolant at different locations along the coolant circulation path. In addition, the sensor is in wireless communication with a controller. The controller is configured to receive signals from the sensor indicative of the localized physical conditions at the different locations and adjust a condition of the liquid coolant in response to the received signals.

POUCH BATTERY CELL AND BATTERY DEVICE, ENERGY STORAGE DEVICE, AND ELECTRIC DEVICE

Resumen de: US20260213306A1

0000 A pouch battery cell and related battery device, energy storage device, and electric device are provided. The pouch battery cell includes a film shell and an electrode assembly. The film shell has a wall thickness of 0.2 mm or less and comprises two film parts connected in a first direction. Each film part defines an accommodating groove, and the grooves are arranged opposite to each other to form an accommodating cavity. The electrode assembly is disposed within the cavity. A dimension of the pouch battery cell in the first direction is defined as a first dimension, and a dimension of each film part in the first direction is a second dimension. The first dimension ranges from 5 mm to 70 mm, and a ratio of the second dimension to the first dimension is between 0.4 and 0.6.

VENTING PRESSURE MEASURING APPARATUS AND METHOD

Resumen de: US20260210785A1

A venting pressure measuring apparatus measures pressure at which a venting cover of a battery module ruptures, and includes: a pressure jig that allows the venting cover to be placed and supported thereon, and is provided with a pressure space formed to apply pressure to the venting cover; and a top jig that presses the venting cover into close contact with the pressure jig, and is provided with a through hole formed at a position corresponding to the pressure space. A gas flow when venting occurs in the battery module is simulated by shapes of the pressure space and the through hole.

VORRICHTUNG ZUR HERSTELLUNG VON ELEKTRODEN FÜR HOCHVOLT-SPEICHER

Resumen de: DE102025102428A1

Vorrichtung (1) zur Herstellung von Elektroden für Hochvoltspeicher, insbesondere für Kraftfahrzeuge, umfassend eine Fördereinrichtung (2), die dazu ausgebildet ist, wenigstens eine Separatorfolie (15, 16) zu fördern, insbesondere von einer Rolle (18, 19) abzuwickeln, und eine Formungseinrichtung (7), die dazu ausgebildet ist, die Separatorfolie (15, 16), insbesondere an wenigstens einer Elektrodenfolie (3, 4), in eine elektrische Energiespeicherzelle (11) zu formen, wobei die Vorrichtung (1) eine Erfassungseinrichtung (12) aufweist, die dazu ausgebildet ist, eine Dickeninformation der Separatorfolie (15, 16) zu erfassen, die eine Dicke (D) der Separatorfolie (15, 16) betrifft.

CHARGING METHOD IN ACTIVATION PROCESS OF LITHIUM SECONDARY BATTERY

Resumen de: US20260213153A1

The present disclosure relates to a charging method in an activation process of a lithium secondary battery. The charging method in an activation process of a lithium secondary battery includes a measurement step of measuring admittance values according to a state of charge of a pre-charged lithium secondary battery, a calculation step of converting each of the admittance values and calculating converted values, a determination step of determining a second charge rate by multiplying each of the converted values by a first charge rate, and a charging step of charging the lithium secondary battery by applying the second charge rate.

Verfahren zur Herstellung einer zylindrischen Batteriezelle und zylindrische Batteriezelle

Resumen de: DE102025134397A1

Die vorliegende Erfindung betrifft ein Verfahren zum Herstellen einer zylindrischen Batteriezelle (10). Das Verfahren umfasst die folgenden Schritte: Bereitstellen eines Zellgehäuses (12) mit zwei Zellöffnungen (14, 16), wobei sich eine Jelly-Roll (20) in dem Zellgehäuse (12) befindet; Durchführen eines Injektionsvorgangs an der zylindrischen Batteriezelle (10), umfassend das Injizieren eines Elektrolyten (18) in das Zellengehäuse (12) durch eine Zellenöffnung (14) der Zellenöffnungen (14, 16) und das Absaugen (28) des Zellengehäuses (12) durch eine zweite Zellenöffnung (16) der Zellenöffnungen (14, 16); Schließen der ersten Zellenöffnung (14) oder der zweiten Zellenöffnung (16) der Zellenöffnungen (14, 16) des Zellengehäuses (12); Durchführen eines Formungsvorgangs an der zylindrischen Batteriezelle (10), umfassend ein Ansaugen (28) des Zellgehäuses (12) durch die erste Zellöffnung (14) oder die zweite Zellöffnung (16) des Zellgehäuses (12); und Schließen der ersten Zellöffnung (14) oder der zweiten Zellöffnung (16) des Zellgehäuses (12).

BATTERY SYSTEM

Resumen de: US20260211047A1

0000 A battery system includes a current sensor that detects a ripple current, and an ECU. The ECU reconstructs, based on an attenuation curve, the actual amplitude of the ripple current flowing through the current sensor from the amplitude of the ripple current detected by the current sensor. When the reconstructed amplitude is greater than the upper limit of the amplitude of the ripple current at which lithium deposition in a battery can be suppressed, the ECU reduces the amplitude of the ripple current.

CELL BARRIER FOR A PRISMATIC BATTERY CELL

Resumen de: US20260213301A1

0000 A cell barrier to prevent thermal runaway propagation (TRP) in a prismatic battery cell includes a fire-resistant paper having a top side and a bottom side. The cell barrier further includes a top hat with a vent feature. The top hat is attached to the bottom side of the fire-resistant paper. The cell barrier further includes a left-hand side plate and a right-hand side plate attached to the top side of the fire-resistant paper. The cell barrier further includes a flex thermal barrier attached to either of the left-hand side plate and the right-hand side plate. The top hat is disposed between the left-hand side plate and the right-hand side plate. The cell barrier is positioned adjacent to the prismatic battery cell.

BATTERY SYSTEM

Resumen de: US20260213565A1

An ECU executes a process including: acquiring a limitation history when conditions for executing transfer control are satisfied; when current limitation was performed in the previous transfer control, performing cooling control when battery temperature is greater than a start temperature; performing current limitation when the battery temperature is greater than a limit temperature; ending the cooling control when conditions for ending the cooling control are satisfied; and storing the limitation history.

BATTERY APPARATUS AND ELECTRIC APPARATUS

Resumen de: US20260213364A1

0000 Disclosed is a battery apparatus and an electric apparatus. The battery apparatus includes a case, a pouch battery cell assembly, and an electrical member. The pouch battery cell assembly comprises multiple pouch battery cells arranged along a first direction. Each pouch battery cell is bonded to the case and includes a packaging bag and electrode leads positioned at opposite ends of the packaging bag along a second direction. The electrode leads of the pouch battery cells on the same side are sequentially arranged along the first direction. An accommodating gap is formed, along a third direction, between the electrode leads and an end of the battery cell assembly. The electrical member is disposed within the accommodating gap and electrically connected to the electrode leads. The first, second, and third directions are each oriented at an angle relative to the others.

BATTERY MODULE, BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: WO2026155437A1

The present invention relates to a battery module for improving cooling performance, and a battery pack and a vehicle comprising same, the battery module comprising: a battery cell assembly in which a plurality of battery cells are stacked; a bus bar assembly electrically connected to the battery cell assembly; a module case accommodating the battery cell assembly and the bus bar assembly and having an opening that is open at both sides; and an end plate coupled to the module case to cover the opening at the front and rear of the battery cell assembly, wherein the end plate is provided with a cooling fan configured to cool the battery cell assembly and the bus bar assembly.

BATTERY APPARATUS, ENERGY STORAGE APPARATUS, ENERGY STORAGE SYSTEM, ELECTRIC APPARATUS, AND CHARGING NETWORK

Resumen de: US20260213290A1

Disclosed are a battery apparatus, an energy storage apparatus, an energy storage system, an electric apparatus, and a charging network. The battery apparatus includes an energy unit and a sampling assembly. The energy unit includes a pouch battery cell and a conductive casing, an accommodating space is formed in the casing, and the pouch battery cell is accommodated in the accommodating space. The pouch battery cell includes a first electrode lead-out part and a second electrode lead-out part with opposite polarities. the first electrode lead-out part of at least one of the pouch battery cell is electrically connected to the casing, and the second electrode lead-out part is insulated from the casing. The sampling assembly is electrically connected to the second electrode lead-out part and the casing.

LITHIUM ION BATTERY COMPRISING A NON-AQUEOUS ELECTROLYTE AND APPLICATION

Resumen de: US20260213265A1

The present disclosure provides a lithium-ion battery comprising a non-aqueous electrolyte, wherein the non-aqueous electrolyte comprises: (1) 5-30 wt % of a fluorinated co-solvent; (2) 0.1-2 wt % of an unsaturated siloxane, a saturated siloxane and/or a triazine compound; and (3) 1-15 wt % of a combination of fluoroethylene carbonate and di-fluoroethylene carbonate as a film-forming additive. The lithium-ion battery possesses a high thermal stability and fast-charging ability. The present disclosure also provides use of an unsaturated siloxane, a saturated siloxane and/or a triazine compound as a scavenger in a non-aqueous electrolyte for a lithium-ion battery. With such compounds, trace water and HF generated by the side reaction under high temperature can be scavenged from the non-aqueous electrolyte.

BATTERY CELL, BATTERY APPARATUS, AND ELECTRIC DEVICE

Resumen de: US20260213310A1

0000 A battery cell, a battery apparatus, and an electric device are provided. The battery cell includes a flexible housing and an electrode assembly. The electrode assembly is disposed in the flexible housing, where the flexible housing has a side surface opposite a large surface of the electrode assembly, and a circumferential surface avoiding the large surface, the circumferential surface and the side surface are connected along circumference of the electrode assembly, and at least the circumferential surface is provided with a pressure relief region.

METHOD AND SYSTEM FOR PROVIDING A THERMAL PROPAGATION WARNING FOR A BATTERY FOR AN ELECTRIC AUTOMOTIVE VEHICLE

Resumen de: US20260212747A1

0000 A warning system for a battery pack of a vehicle and a method for operating the same includes melting a phase change material in a phase change housing above a temperature threshold. In response to melting, extending a push rod from the housing. The method further includes electrically coupling a static contactor and a dynamic contactor. In response to electrically coupling, an alarm is activated.

BATTERY DIAGNOSIS APPARATUS AND OPERATING METHOD THEREOF

Resumen de: WO2026155613A1

A battery diagnosis apparatus according to an embodiment disclosed herein may comprise: an interface configured to obtain a plurality of open circuit voltage (OCV) data for a battery unit; and one or more processors configured to obtain a plurality of estimated states of charge (SOCs) corresponding to at least some of the OCV data, obtain a plurality of estimated states of health (SOHs) corresponding to at least some of the plurality of estimated SOCs, and diagnose a degree of occurrence of available lithium loss of the battery unit on the basis of a specific estimated SOH satisfying a threshold SOH condition among the estimated SOHs.

METHOD FOR PREPARING FERRIC PHOSPHATE FROM WASTE LITHIUM IRON PHOSPHATE POSITIVE ELECTRODES

Resumen de: WO2026155578A1

The present invention relates to a method for preparing ferric phosphate from waste lithium iron phosphate positive electrodes, and more specifically, to a method for preparing ferric phosphate from waste lithium iron phosphate positive electrodes, the method comprising the steps of: (a) adding a basic solution to a dissolution solution containing Fe and P to precipitate impurities; (b) removing impurities from the dissolution solution; and (c) adding an acidic solution to the dissolution solution removed of the impurities and adjusting the pH to 0.8 to 1.4 to prepare a storage solution containing Fe and P. The present invention has the effect of providing a method for preparing ferric phosphate from waste lithium iron phosphate positive electrodes, wherein precipitates do not form in a storage solution containing Fe and P and prepared by adding an acidic solution to a dissolution solution removed of impurities derived from waste lithium iron phosphate positive electrode materials and adjusting the pH within a predetermined range, even when the storage solution is stored at room temperature for a long period of time, and thus the storage solution is easy to store and transport, and high-purity FePO4 is prepared.

CHARGE/DISCHARGE TEST SYSTEM AND PROGRAM

Resumen de: WO2026154740A1

This charge/discharge test system is provided with: a charge/discharge control unit that controls charging and discharging for testing a secondary battery; an abnormality detection unit that detects an abnormality related to the test; an event identification unit that identifies an event occurring when the abnormality is detected; and a cause estimation unit that refers to cause case data defining a correspondence relationship between a cause example that may cause an abnormality and an event that may occur when the abnormality is caused by the cause example to estimate the cause of the occurring abnormality detected from the identified event.

BATTERY MEMBER, BATTERY MEMBER ASSEMBLY, METHOD AND APPARATUS FOR PRODUCING BATTERY MEMBER ASSEMBLY, BATTERY LAMINATE, AND POWER STORAGE DEVICE

Resumen de: US20260213271A1

There is provided a battery member, which includes a porous structure at an outermost surface of the battery member, and an adhesive layer. The adhesive layer includes one or more adhesive portions formed of an adhesive. Each of the one or more adhesive portions includes an adhesive protrusion portion Xa that is disposed on the porous structure, and an adhesive impregnation portion Xb that is disposed within the porous structure and extends onto a periphery of the adhesive protrusion portion Xa.

BATTERY APPARATUS AND ELECTRIC APPARATUS

Resumen de: US20260213319A1

0000 A battery apparatus and an electric apparatus are provided and pertain to the field of battery technologies. The battery apparatus includes a cell array and a box; where the cell array is adhesively disposed within the box, and the cell array includes a plurality of pouch cells stacked along a thickness direction; and a reinforcing partition is provided between large surfaces of at least two adjacent pouch cells in the cell array, the reinforcing partition is connected to the box, stiffness of the reinforcing partition is greater than stiffness of a pouch shell of the pouch cell, and the reinforcing partition exchanges heat with the pouch cells.

AC BATTERY SYSTEM

Resumen de: US20260213285A1

0000 Systems and circuits relating to an AC battery system. An AC battery system that outputs AC power is provided. Provided are integrated energy blocks with each energy block having one or more energy storage cells and a Cell-PE block that contains power electronics components. Various configurations of the AC battery system may include an integrated full bridge or half-bridge DC/AC inverter. Various configurations of the cell-PE block may include low and high voltage half-bridge circuits, an isolation transformer, as well as a full bridge inverter.

BATTERY APPARATUS AND ELECTRIC DEVICE

Resumen de: US20260213334A1

0000 Disclosed are a battery apparatus and an electric device. The battery apparatus includes a case and a battery module, and the case has an accommodating cavity and a discharge cavity. The discharge cavity is provided around an outer peripheral side of the accommodating cavity, and the discharge cavity is in communication with the accommodating cavity via a communication hole. The battery module is disposed within the accommodating cavity, and includes a housing and a plurality of pouch battery cells accommodated in the housing. The housing has a weak part configured to release internal pressure of the pouch battery cells.

BATTERY MODULE AND BATTERY PACK INCLUDING SAME

Resumen de: WO2026155482A1

The present invention relates to a battery module including: a plurality of battery cells stacked on each other; a plurality of cooling plates and non-conductive pads alternately arranged between the plurality of battery cells along a stacking direction of the plurality of battery cells; and cooling fins arranged between the plurality of battery cells and the non-conductive pads along the stacking direction of the plurality of battery cells.

Verfahren zum Herstellen einer Batteriezellenanordnung und Batteriezellenanordnung

Resumen de: DE102025101823A1

Verfahren zum Herstellen einer Batteriezellenanordnung (10). Die Batteriezellenanordnung (10) weist eine Mehrzahl von Batteriezellen (14) und eine Aufnahme (12) zum Aufnehmen der Mehrzahl von Batteriezellen (14) auf. Jede Batteriezelle (14) weist ein Gehäuse (22) auf. Das Gehäuse (22) weist einen Grundkörper (32) und eine Beschichtung (34) auf. Das Verfahren weist auf: Vorbereiten jeder Batteriezelle (14) der Batteriezellenanordnung (10) auf das Herstellen einer Klebverbindung (20) durch Herstellen einer Mehrzahl von Grübchen (24) in dem Gehäuse (22) mittels eines Laserstrahls, wobei mindestens 20% der Grübchen (24), vorzugsweise jedes Grübchen (24), die Beschichtung (34) durchdringt; Anordnen der Mehrzahl von Batteriezellen (14) in der Aufnahme (12); und Herstellen der Klebverbindungen (20).

RADIATION-CURABLE DIELECTRIC COATINGS

Resumen de: WO2026155906A1

The invention is directed to radiation-curable liquid coating compositions for depositing thermally conductive dielectric coatings; intermediates comprising a substrate having a layer of radiation-curable, optionally dried, coating composition deposited thereon; an adherent layer of thermally conductive dielectric cured coating composition on a substrate, coated substrates and methods of producing the compositions, coatings, coating layers and coated substrates; and in an embodiment to a radiation-curable dielectric coating for adherence to low surface energy substrates which includes a resin matrix, an adhesion promoter, and an acid scavenger, and the coating may be adapted for dielectric protection and thermal diffusion for power conversion systems.

Deformationssensoreinrichtung für ein Kraftfahrzeug, Kraftfahrzeug sowie Anordnung

Resumen de: DE102025102003A1

Die Erfindung betrifft eine Deformationssensoreinrichtung (1) für ein Kraftfahrzeug (2), mit einem Trägerelement (3), mit einer an dem Trägerelement (3) angeordneten, elektrisch leitfähigen Drahtstruktur (4), welche mehrere Drahtabschnitte (5, 6, 7, 8, 10) aufweist, wobei zumindest zwei der Drahtabschnitte (5, 6) parallel zueinander elektrisch miteinander verschaltet sind.

NEGATIVE ELECTRODE ACTIVE MATERIAL COMPOSITE PARTICLES, METHOD FOR THEIR PRODUCTION, NEGATIVE ELECTRODE MIXTURE, AND BATTERY

Resumen de: US20260213162A1

The present disclosure provides negative electrode active material composite particles that can inhibit volume changes in a battery, as well as a method for producing them, a negative electrode mixture comprising the negative electrode active material composite particles, and a battery comprising the negative electrode mixture. The negative electrode active material composite particles of the disclosure comprise a carbon material and a tin alloy supported in the carbon material. The negative electrode active material composite particles of the disclosure have pores. The aspect ratio of the negative electrode active material composite particles of the disclosure is 1.60 or lower, and the d90 is 10.0 μm or less.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Resumen de: WO2026155385A1

The present invention relates to a separator for an electrochemical device, the separator comprising an inorganic heat-resistant coating layer, wherein the coating layer comprises both cubic boehmite and platelet-shaped boehmite as inorganic particles, thereby improving the stability of the separator while achieving low resistance.

METHOD AND APPARATUS FOR SORTING OUT DEFECTIVE BATTERY CELLS

Resumen de: US20260211054A1

0000 Proposed are a method and an apparatus for sorting out defective battery cells. The method includes performing constant voltage (CV) charging on a plurality of battery cells, measuring constant voltage charging capacity and constant voltage charging time of the plurality of battery cells in a constant voltage charging section, calculating a constant voltage charge value by dividing the constant voltage charging capacity by the constant voltage charging time measured in the constant voltage charging section for each of the battery cells, measuring an open circuit voltage of the plurality of battery cells after completion of the CV charging, and sorting out defective battery cells on the basis of the calculated constant voltage charge values and the measured open circuit voltages.

Verfahren für eine Zwei-Phasenkühlung eines elektrochemischen Energiespeichers und elektrochemischer Energiespeicher

Resumen de: DE102025102472A1

Die Erfindung betrifft ein Verfahren (100) für eine Zwei-Phasenkühlung eines elektrochemischen Energiespeichers (10) mit einem Gehäuse (20) und einer elektrochemischen Zelle (30), aufweisend die folgenden Schritte:a) Verdampfen (101) zumindest eines Teils eines Stoffgemisches (40) in der elektrochemischen Zelle (30) bei Erwärmung des Stoffgemisches (40) in einem ersten Phasenübergang,b) Kondensieren (102) des verdampften zumindest einen Teils des Stoffgemisches (40) in einem zweiten Phasenübergang an einer Kühlvorrichtung (50),c) Rückführen (103) des kondensierten zumindest einen Teils des Stoffgemisches (40) in die elektrochemische Zelle (30),wobei das Stoffgemisch (40) ein Kühlmittel (41) und einen Elektrolyten (42.1, 42.2) umfasst.Ferner betrifft die Erfindung einen elektrochemischen Energiespeicher (10) zur Energieumwandlung mit einer Zwei-Phasenkühlung und ein Fahrzeug (200).

ELECTRICITY STORAGE DEVICE

Resumen de: US20260213280A1

0000 The electricity storage device includes an electrode assembly, an electrolytic solution, a case, and a first current collector member. The electrode assembly contains a first electrode tab group protruding from a first end face. The electrolytic solution contains an excess electrolytic solution that is present between the electrode assembly and the case. When a height of the first end face of the electrode assembly is treated as H, a length of the first electrode tab group in a height direction is ⅕ H or more and less than ½ H. In a state where SOC is 95% or more, a height of a liquid surface of the excess electrolytic solution is 1/100 H or more and not more than 1/10 H, and a distance between the liquid surface of the excess electrolytic solution and a lower end of a first electrode tab group is equal to or more than ½ H.

STORAGE BATTERY MANAGEMENT SYSTEM, VEHICLE, AND SERVER DEVICE

Resumen de: US20260208624A1

A system is provided with which data on the internal state of a storage battery such as SOC-OCV characteristics and FCC can be obtained with high accuracy and highly accurate estimation is possible even in the case of repeating charging and discharging for a long period. The storage battery management system includes a vehicle that includes a unit enabling data transmission and reception; the vehicle includes a storage battery, a balancing circuit electrically connected to the storage battery, and a vehicle control unit having a function of controlling the balancing circuit; the storage battery includes an assembled battery including a plurality of battery cells; the vehicle control unit has a function of selecting an estimated value that most closely shows a state of each of the battery cells included in the assembled battery; and the balancing circuit has a function of being controlled in accordance with the selected estimated value.

NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Resumen de: US20260213168A1

0000 Disclosed are a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the negative electrode. The negative electrode for a rechargeable lithium battery includes a current collector, a first negative electrode active material layer on a first surface of the current collector, and a second negative electrode active material layer on a second surface of the current collector. A difference in the active mass density between the first negative electrode active material layer and the second negative electrode active material layer is in a range of about 0.02 g/cc to about 0.06 g/cc.

CYLINDRICAL BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026152476A1

The present application relates to the field of batteries, and discloses a cylindrical battery cell (10), a battery device (100), and an electric device. The cylindrical battery cell (10) comprises a casing (2) provided with a pressure relief portion (22111) and an electrode assembly (1) provided with a central hole (101). At least one electrode sheet (11) of the electrode assembly (1) comprises a tab (112). The tab (112) comprises a plurality of cut pieces (1121), at least one cut piece (1121) is bent towards the central hole (101), at least one cut piece (1121) is bent away from the central hole (101), a cut-off groove (102) is provided between any two adjacent cut pieces (1121), and the orthographic projection of the central hole (101) and the orthographic projection of a first groove bottom surface (103) of at least one cut-off groove (102) are both located within the orthographic projection of the pressure relief portion (22111). In this way, the directional pressure relief efficiency can be improved.

CYLINDRICAL BATTERY CELL, BATTERY DEVICE, AND ELECTRICAL DEVICE

Resumen de: WO2026152465A1

The present application relates to the field of batteries, and discloses a cylindrical battery cell (100), a battery device (1000), and an electrical device. The cylindrical battery cell (100) comprises a casing (20) and an electrode assembly (10). The casing (20) is provided with a pressure relief portion (22111). The electrode assembly (10) has a winding structure and comprises two electrode sheets (1). At least one of the electrode sheets (1) comprises an electrode sheet main body (11) and a tab (12) arranged in a first direction (Z). The tab (12) comprises a plurality of tab winding portions (121) distributed along a winding direction of the electrode assembly, and a first cut-off groove (102) extending for at least one winding turn is provided between two adjacent tab winding portions (121). The first cut-off groove (102) passes through an end surface of the tab (12) away from the electrode sheet main body (11). In this way, the efficiency of directional pressure relief can be improved.

Ladeverfahren, Ladesystem und Kraftfahrzeug

Resumen de: DE102025101592A1

Die vorliegende Erfindung betrifft ein Ladeverfahren (200) zum Laden (208) einer Speichervorrichtung (110) für elektrische Energie für ein Kraftfahrzeug (100) durch ein Ladesystem (10), das Ladeverfahren (200) umfassend:- Erfassen (202) zumindest einer Regelgröße (112) der Speichervorrichtung (110) und/oder des Kraftfahrzeugs (100) durch eine Erfassungsvorrichtung (20) des Ladesystems (10),- Bereitstellen (204) von zumindest einer Nutzungsvariable (114) der Speichervorrichtung (110) und/oder des Kraftfahrzeugs (100) durch eine Datenschnittstelle (30) des Ladesystems (10),- Prädiktion (206) von zumindest einem Systemzustand (116) der Speichervorrichtung (110) und/oder des Kraftfahrzeugs (100) durch eine Logikvorrichtung (40) des Ladesystems (10) auf Grundlage der zumindest einen erfassten Regelgröße (112) und der zumindest einen bereitgestellten Nutzungsvariable (114),- Laden (208) der Speichervorrichtung (110) für elektrische Energie, wobei das Laden (208) mittels einer Regelvorrichtung (50) des Ladesystems (10) auf Grundlage des zumindest einen prädiktiven Systemzustands (116) geregelt wird.Ferner betrifft die Erfindung ein Ladesystem (10) und ein Kraftfahrzeug (100).

METHOD FOR ACTIVATING LITHIUM SECONDARY BATTERY

Resumen de: WO2026155496A1

The present invention relates to a method for activating a lithium secondary battery, the method comprising: (1) an initial charging step of charging at a first C-rate to a first state of charge (SOC); (2) an intermediate charging step of charging at a second C-rate lower than the first C-rate to a second SOC higher than the first SOC after the initial charging step; and (3) a final charging step of completing charging by charging at a third C-rate lower than the second C-rate to a third SOC higher than the second SOC after the intermediate charging step, wherein, through the method for activating a lithium secondary battery performed at a temperature in the range of 50°C to 60°C, the activation time of the lithium secondary battery can be shortened, and the lithium plating problem can be solved.

FULL CHARGE CAPACITY CALCULATING DEVICE AND FULL CHARGE CAPACITY CALCULATING METHOD

Resumen de: US20260211048A1

A full charge capacity calculating device configured to calculate the full charge capacity of a battery includes: a setting unit configured to set, based on the electric current and the temperature of the battery, a control lower limit at which the deviation between the open circuit voltage and the closed circuit voltage of the battery is corrected; a measuring unit configured to charge the battery in a predetermined section and measure the integrated value of electric current in the section when the state of the battery reaches the control lower limit; and a calculating unit configured to calculate the full charge capacity of the battery based on the stored energy of the battery when the control lower limit is reached and the integrated value of electric current.

LIQUID INJECTION DEVICE

Resumen de: WO2026152517A1

The present application relates to the technical field of automation, and discloses a liquid injection device. The liquid injection device comprises a workbench, a moving apparatus, a clamping apparatus, and a pipetting apparatus. The workbench is provided with a first storage area and a liquid injection position, the first storage area being used for storing reagent bottles, and the liquid injection position being used for placing configuration bottles. The moving apparatus is arranged on the workbench. The pipetting apparatus is arranged on the moving apparatus, and the moving apparatus is used for driving the pipetting apparatus to move, so that the pipetting apparatus is able to move to the first storage area to aspirate liquid from the reagent bottles, and to move to the liquid injection position to inject the aspirated liquid into the configuration bottles. The technical solution of the present application reduces the number of moving apparatuses and simplifies the structure of the liquid injection device, by integrating the clamping apparatus and the pipetting apparatus on one moving apparatus.

NEGATIVE ELECTRODE HETEROATOM-DOPED CARBON MATERIAL, METHOD OF MANUFACTURING AND BATTERY NEGATIVE ELECTRODE THEREOF

Resumen de: US20260213154A1

0000 Embodiments of the present disclosure provide a negative electrode heteroatom-doped carbon material. The negative electrode heteroatom-doped carbon material includes carbon element, nitrogen element, and oxygen element. A weight percentage of the carbon element is in a range from 77% to 81%, a weight percentage of the nitrogen element is in a range from 8% to 12%, and a weight percentage of the oxygen element is in a range from 4% to 6.5%, based on a total weight of the negative electrode heteroatom-doped carbon material being 100%.

BATTERY PROTECTION DEVICE AND CURRENT REGULATION SYSTEM FOR BATTERY POWER SUPPLY

Resumen de: US20260213562A1

0000 The invention is a battery protection device and a current regulation system for battery power supply. It features adjustable low- and high-voltage protection. It includes a housing, circuit board, first display screen, first and second buttons, indicator light, and sealing film. The first display screen, first button, second button, and indicator light are electrically connected to the circuit board. The first and second buttons set the minimum voltage output value. The first display screen displays the set minimum voltage output value and the real-time voltage of the battery. The indicator light indicates the device's on/off state. The circuit board is inside the housing. The housing’s upper surface has multiple openings. The first button, second button, indicator light, and first display screen protrude from the housing through corresponding openings. The sealing film covers the upper surface of the housing. The device offers high safety, long life, and good waterproofing.

METHOD FOR FORMING ALL-SOLID-STATE BATTERY

Resumen de: US20260213245A1

0000 A method for forming an all-solid-state battery according to an embodiment of the present invention is a method for forming an all-solid-state battery including an electrode stack in which a positive electrode layer, a negative electrode layer, and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer are stacked. The method includes a temperature raising step of raising a temperature of the all-solid-state battery; and an aging step of holding the all-solid-state battery in which the temperature has been raised. A method of raising the temperature of the all-solid-state battery in the temperature raising step is a method of dielectrically heating the solid electrolyte layer by applying a high-frequency AC electric field along a stacking direction of the electrode stack.

PROCESS FOR RECYCLING LITHIUM ION BATTERIES

Resumen de: WO2026153959A1

The present invention relates to the recycling of used lithium ion batteries and provides a method for processing black mass derived from lithium ion battery materials and comprising iron and manganese.

LAYOUT OF BATTERY CELL ASSEMBLY APPARATUS AND OPERATING METHOD THEREOF

Resumen de: US20260213246A1

0000 Proposed are a layout of a battery cell assembly apparatus and an operating method thereof. The layout comprises a first processing line for manufacturing a first-type electrode assembly, a second processing line for manufacturing a second-type electrode assembly, a stack line for manufacturing a double electrode assembly by stacking and fixing the first-type electrode assembly and the second-type electrode assembly output from the first processing line and the second processing line, a first insertion line for manufacturing a battery cell by inserting the double electrode assembly into a case, and a second insertion line for manufacturing a battery cell by inserting the double electrode assembly into a case, wherein the first processing line and the second processing line are arranged in parallel, and the first insertion line and the second insertion line are arranged in parallel to reduce a length of an entire line.

Berstscheibe

Resumen de: DE102025112862A1

Offenbart ist eine Berstscheibe (1;101; 201; 301; 401; 501), die zum Verschließen einer Öffnung (18) eines Gehäuses oder Behälters und zum Freigeben der Öffnung (18) bei einem vorbestimmten Öffnungsdruck eingerichtet und ausgelegt ist. Die Berstscheibe weist eine scheibenartige bistabile Aktivierungsfläche (4) auf, die von einem Anlagerand (10) umgeben ist, an dem eine umlaufende Dichtung (16) befestigt oder gebildet ist. Die Aktivierungsfläche (4) ist von dem vorbestimmten Öffnungsdruck von einer gekrümmten Schließposition über einen Totpunkt in eine gekrümmte Öffnungsposition bewegbar. An der Aktivierungsfläche (4) und an der gesamten Berstscheibe ist eine dem zu dichtenden Gehäuse zugewandte Seite vorgesehen, die als Dichtungsseite bezeichnet wird. An der Aktivierungsfläche (4) sind an dieser Dichtungsseite benachbart zur Dichtung (16) mindestens zwei Schnapphaken (12) gebildet. Die Dichtung 16 läuft um die Schnapphaken (12) um. Die Schnapphaken haben jeweilige Anlagen (12a), die zum Hintergreifen des die Öffnung (18) umgebenden Randes gebildet sind. Die Anlagen (12a) spannen den Rand der Öffnung (18) zusammen mit der Dichtung (16) ein, wenn die Aktivierungsfläche (4) in Schließposition ist.

BATTERY PACK

Resumen de: US20260213317A1

0000 A battery pack includes: a battery module including a plurality of battery cells stacked in a predetermined stacking direction and a plurality of separators positioned between two of the battery cells adjacent to each other and sandwiching one of the battery cells in an up-down direction; and a case configured to house the battery module. The case includes: a lower support that supports the separators from below; and an upper holder that holds the separators from above.

Verfahren und Vorrichtung zur Anomalieerkennung von Batteriezellen einer Gerätebatterie während und nach einem stromlosen Zustand

Resumen de: DE102025101768A1

Die Erfindung betrifft ein Verfahren, insbesondere zumindest teilweise computer-implementiertes Verfahren, zur Erkennung eines anomalen Verhaltens von Zellen einer Batterie während oder nach einem stromlosen Zustand (33), wobei für die Batterie ein Batteriemodell ausgeführt wird, umfassend:- Messen von Spannungen der Zellen zu einem ersten Zeitpunkt (32) während des stromlosen Zustands (33) und zu einem zeitlich folgenden zweiten Zeitpunkt (34) während des stromlosen Zustands (32),- Überprüfen (13), ob eine Zelle mit der gemessenen extremen Spannung an dem ersten Zeitpunkt (32) und eine Zelle mit der gemessenen extremen Spannung an dem zweiten (34) Zeitpunkt die gleiche ist,- Signalisieren einer möglichen Anomalie, wenn die Zelle mit der gemessenen extremen Spannung zu dem ersten (32) und dem zweiten (34) Zeitpunkt nicht die gleiche ist.

Gasaustausch-Komponente für einen elektrischen Energiespeicher

Resumen de: DE102025102369A1

Es wird eine Gasaustausch-Komponente zum Gasaustausch und zur Entgasung des Gehäuses eines elektrischen Energiespeichers beschrieben. Die Gasaustausch-Komponente umfasst einen Grundkörper, wobei der Grundkörper ausgebildet ist, an einer Gehäusewand des Gehäuses des Energiespeichers befestigt zu werden, wobei der Grundkörper ein oder mehreren Öffnungen aufweist, durch die Gas in und/oder aus dem Inneren des Gehäuses strömen kann, wenn der Grundkörper an der Gehäusewand des Gehäuses befestigt ist, und wobei der Grundkörper ausgebildet ist, einen Deckel mit einer Haltekraft zu halten, sodass die ein oder mehreren Öffnungen durch den Deckel fluiddicht abgedichtet werden. Die Gasaustausch-Komponente umfasst ferner den Deckel, der ausgebildet ist, einen Gasaustausch zwischen den ein oder mehreren Öffnungen des Grundkörpers und der Umgebung des Deckels über eine Membran des Deckels zu bewirken, und sich von dem Grundkörper zu lösen, wenn auf den Deckel eine von dem Grundkörper weg gerichtet Kraft einwirkt, die größer als die Haltekraft ist.

SEPARATOR FOR SECONDARY BATTERY, SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US20260213346A1

0000 A separator for a secondary battery according to the present disclosure includes a substrate and a coating layer on a surface of the substrate, the coating layer including inorganic particles. The substrate orientation degree, which is calculated from a puncture strength of the separator and a weight per unit area of the substrate, may be within a predetermined range. A secondary battery according to the present disclosure includes an electrode assembly including a cathode, an anode, and the separator for a secondary battery according to the present disclosure. The thermal stability of the separator and the secondary battery may be improved.

POSITIVE ELECTRODES AND RECHARGEABLE LITHIUM BATTERIES

Resumen de: US20260213157A1

0000 Provided are a positive electrode and a rechargeable lithium battery, the positive electrode including a positive electrode current collector, a positive electrode active material layer disposed on the positive electrode current collector and including a positive electrode active material, and a coating layer disposed between the positive electrode current collector and the positive electrode active material layer, and including an irreversible positive electrode additive. The irreversible positive electrode additive includes at least one of a lithium cobalt-based oxide and a lithium nickel-based oxide, and further includes a lithium iron-based oxide.

ELECTROLYTE FOR LITHIUM-SULFUR BATTERIES

Resumen de: WO2026155602A1

The present invention relates to an electrolyte for lithium-sulfur batteries, which comprises a non-aqueous solvent, a lithium salt, and an additive, wherein the non-aqueous solvent includes an acyclic ether and a conjugated heterocyclic compound, and the additive includes P2S5 and a lithium- and fluorine-containing compound.

PROCESSING BLACK MASS DERIVED FROM LITHIUM ION BATTERY MATERIALS

Resumen de: WO2026153958A1

The present invention relates to the recycling of used lithium ion batteries and provides a method for processing black mass derived from lithium ion battery materials.

COMPOSITE SOLID ELECTROLYTE, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US20260213261A1

0000 Disclosed are a composite solid electrolyte, a method of preparing the same, and a lithium battery including the same. The composite solid electrolyte includes a first solid electrolyte containing a cubic garnet phase, and a second solid electrolyte containing a lithium haloboracite, where the first solid electrolyte is a garnet-containing solid electrolyte including a compound having a cubic crystal phase and represented by Formula 1, the composite solid electrolyte has a peak at about −2 ppm to about 8 ppm in a <7>Li nuclear magnetic resonance spectrum, and the peak has a full width at half maximum of about 0.3 ppm to about 4.0 ppm, the lithium haloboracite includes chlorine, bromine, iodine, or a combination thereof, and the first solid electrolyte has a larger volume than the second solid electrolyte. 0000 wherein, in Formula 1, M1, M2, A, and o are as defined in the detailed description.

RECHARGEABLE LITHIUM BATTERY

Resumen de: US20260213208A1

The present disclosure relates to a rechargeable lithium battery having desired or improved rapid charge-discharge characteristics. For example, the rechargeable lithium battery of the present disclosure comprises a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, wherein the positive electrode comprises a positive electrode active material, a first binder and a first conductive material, the first conductive material comprises carbon nanotubes. A ratio of an ionic resistance of the positive electrode to an ionic resistance of the negative electrode is about 1.4 to about 2.0.

BATTERY CELL, BATTERY APPARATUS, AND ELECTRIC DEVICE

Resumen de: WO2026152281A1

The present application provides a battery cell, a battery apparatus, and an electric device. The battery cell comprises a casing and an electrode assembly accommodated in the casing. The electrode assembly comprises a positive electrode sheet, a negative electrode sheet, and a separator, wherein the positive electrode sheet, the negative electrode sheet, and the separator are wound to form a straight region and a bent region. The positive electrode sheet comprises a positive electrode current collector and a first positive electrode active substance layer. The first positive electrode active substance layer is arranged on the inner surface of the positive electrode current collector. The first positive electrode active substance layer comprises a first portion and a second portion that are arranged along the winding direction of the electrode assembly, wherein the thickness of the second portion is less than that of the first portion, at least part of the first portion is arranged in the straight region, and at least part of the second portion is arranged in the bent region. The negative electrode sheet comprises a negative electrode current collector and a first negative electrode active substance layer. The first negative electrode active substance layer is arranged on the outer surface of the negative electrode current collector. In the bent region, a gap is formed between the second portion and the first negative electrode active substance layer.

BATTERY CELL, BATTERY DEVICE, AND ELECTRIC DEVICE

Resumen de: WO2026152394A1

The present disclosure relates to the technical field of batteries. Disclosed are a battery cell, a battery assembly, and an electric device. The battery cell comprises a housing, a first electrode terminal and a second electrode terminal, an electrode assembly, and a first insulating member. The housing comprises a first wall. The first electrode terminal and the second electrode terminal are disposed on the first wall and are spaced apart in a first direction. The first insulating member covers at least part of an outer surface of the first wall. The first wall has a first edge and a second edge that are opposite each other in the first direction, and the first insulating member is provided with a first hollowed-out region and a second hollowed-out region, such that a first exposed region is formed on the outer surface of the first wall corresponding to the first hollowed-out region, and a second exposed region is formed on the outer surface of the first wall corresponding to the second hollowed-out region. In the first direction, the first exposed region and the second exposed region are respectively located on two sides of the centerline of the first wall in the first direction. An electric device comprising the battery cell has a relatively high energy density.

VERFAHREN ZUR HERSTELLUNG VON AKTIVEM MATERIAL DER KATHODE

Resumen de: DE102025153606A1

Verfahren zur Herstellung eines aktiven Materials der Kathode, umfassend: (a) Bereitstellen von Sekundärpartikeln, die jeweils ein Aggregat aus Primärpartikeln sind; und (b) Infiltrieren von geschmolzenem Kohlenstoff, der durch Schmelzen eines Kohlenstoffmaterials erhalten wird, zwischen die Primärpartikel. Die Primärpartikel enthalten jeweils eine Olivin-Phosphatverbindung, und Kohlenstoff haftet an mindestens einem Teil der Oberfläche eines jeden der Primärpartikel an.

Batteriezelle mit einem Gehäuse mit Sollbruchstelle

Resumen de: DE102025101892A1

Eine Batteriezelle (1) mit mindestens einem Batterieelement und einem das mindestens eine Batterieelement umgebenden Gehäuse (2), wobei das Gehäuse (2) zumindest aus einem Metall ausgestaltet ist und zumindest eine erste Sollbruchstelle (11a) aufweist, ist dadurch gekennzeichnet, dass die erste Sollbruchstelle (11a) als Vertiefung (13) oder Durchgangsöffnung in einer Wandung des Gehäuses (2) ausgebildet ist, wobei die Vertiefung (13) oder Durchgangsöffnung mit einem Polymer (12) ausgefüllt ist.

Apparatus for Inspecting Electrode Current Collector, Apparatus for Manufacturing Electrode, and Method for Manufacturing Electrode

Resumen de: US20260210882A1

0000 Aspects of the disclosure are directed to inspecting an electrode current collector and manufacturing an electrode with increased accuracy in evaluation of mechanical properties of the electrode current collector through non-destructive inspection. More specifically, through x-ray diffraction (XRD) analysis in selecting an electrode current collector, aspects of the disclosure allow for monitoring and/or screening mechanical properties of an electrode current collector with higher accuracy. Further, if evaluating the mechanical properties of an electrode current collector are included in the manufacturing process for the electrode, degradation in strength of the electrode current collector being heat-treated can be predicted and/or prevented, thereby resolving defects which may occur during electrode manufacturing.

POSITIONING FIXTURE AND TAB WELDING APPARATUS

Resumen de: WO2026152554A1

A positioning fixture (100) and a tab welding apparatus, wherein the positioning fixture (100) is configured to weld tabs (200) and an electrode sheet (300). The positioning fixture (100) comprises a base (1) and a pressing plate structure (2), wherein the base (1) has a positioning surface located on one side in a first direction (X), and tab positioning grooves (12) and an electrode sheet positioning groove (13), which are in communication with each other, are formed on the positioning surface, such that the tabs (200) and the electrode sheet (300) positioned therein partially overlap to form points to be welded; and the pressing plate structure (2) is detachably mounted on the base (1), tab pressing portions (2112) and an electrode sheet pressing portion (2122) are formed on the pressing plate structure (2), and the tab pressing portions (2112) and the electrode sheet pressing portion (2122) are respectively arranged corresponding to the tab positioning grooves (12) and the electrode sheet positioning groove (13).

WINDING DEVICE, BATTERY PROCESSING DEVICE AND BATTERY PRODUCTION LINE

Resumen de: US20260213281A1

0000 Provided are a winding device, a battery processing device and a battery production line, which belong to the technical field of battery manufacturing. The winding device includes a first combining mechanism, a winding mechanism, and a first detection apparatus. The first combining mechanism is configured to combine incoming materials including at least a first electrode plate, a first separator, and a second electrode plate into a first composite plate. The first detection apparatus includes a first image acquisition apparatus and a processor; the first image acquisition apparatus is disposed between the first combining mechanism and the winding mechanism an configured to obtain edge position images of at least one of the first electrode plate and the second electrode plate in the first composite plate; and the processor is configured to determine an edge distance based on the edge position images and judge whether the edge distance meets a threshold.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE, SODIUM BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260213177A1

A positive electrode material and a preparation method thereof, a positive electrode (10), a sodium battery, and an electric apparatus are provided. The positive electrode material includes a layered oxide represented by a chemical formula NaqNixMnyFezZnpMiOj, where 0.8≤q≤1, 0.1≤x≤0.3, 0.2≤y≤0.5, 0.2≤z≤0.35, 0.02≤p≤0.075, 0≤i≤0.1, 1.8≤j≤2, x+y+z+p+i≤1, and Mis an active and/or inert doping metal element. A preparation method of the positive electrode material includes a step of performing sintering treatment on a precursor of NaqNixMnyFezZnpMiOj. The positive electrode (10) includes the layered oxide represented by the chemical formula. The sodium battery includes the positive electrode (10). The electric apparatus includes the sodium battery.

Sealing Tool of Pouch-Type Secondary Battery and Sealing Method of Pouch-Type Secondary Battery

Resumen de: US20260213244A1

A sealing tool may include a first sealing block and a second sealing block facing each other. The first sealing block may include a first fixing part and a first replacement part coupleable to and detachable from the first fixing part. The second sealing block may include a second fixing part; and a second replacement part coupleable to and detachable from the second fixing part. At least one of the first replacement part or the second replacement part may be formed with a groove for an electrode lead to be seated in a position corresponding to the electrode lead.

BATTERY CONTROL CIRCUIT, BATTERY SYSTEM, ELECTRICAL DEVICE, AND BATTERY CHARGING CONTROL METHOD

Resumen de: WO2026152797A1

The present application belongs to the technical field of batteries, and provides a battery control circuit, a battery system, an electrical device, and a battery charging control method. The control circuit comprises: a first module connected to a battery, the battery comprising a first battery pack and a second battery pack, and the first battery pack and the second battery pack being separately connected to an external charging device; and a controller, configured to: acquire voltages of the first battery pack and the second battery pack during charging of the battery by the charging device; and in response to the voltage of the first battery pack and/or the voltage of the second battery pack being greater than a first threshold, control the first module such that the first battery pack and the second battery pack discharge to each other. The controller is further configured to: during the mutual discharge between the first battery pack and the second battery pack, control the charging device to charge at least one of the first battery pack and the second battery pack. The control circuit of the present application can improve the charging efficiency of a battery.

NEGATIVE-ELECTRODE-FREE SECONDARY BATTERY, MODIFIED GRAPHITE, MODIFIED CURRENT COLLECTOR, AND METHOD FOR PREPARING SAME

Resumen de: US20260213215A1

0000 The disclosure discloses a negative-electrode-free secondary battery, modified graphite, a modified current collector, and a method for preparing same. The method for preparing the modified graphite includes performing hydrogen-argon mixed gas plasma modification treatment on graphite to prepare the modified graphite. The thickness of the graphite is 20 nm-2 μm, the diameter is 0.1-50 μm, and the degree of graphitization is 80% or more. The power of the hydrogen-argon mixed gas plasma modification treatment is 30-250 W, and the time is 2-25 min. The modification method of the disclosure can alleviate the defects and optimize the structure of the surface of the graphite, thereby constructing physical and chemical characteristics adapted to the negative-electrode-free secondary battery to significantly improve the long cycle life of the negative-electrode-free secondary battery.

BATTERY MOUNTING ASSEMBLY AND BACKUP POWER SUPPLY

Resumen de: US20260213324A1

A battery mounting assembly and a backup power supply are provided. The battery mounting assembly includes one or more parallel-connected brackets; the parallel-connected bracket includes a positive electrode bracket and a negative electrode bracket; the positive electrode bracket is arranged with two rows of first accommodating holes at intervals facing the negative electrode bracket in a first direction; where, the line connecting the center points of two adjacent first accommodating holes in different rows and the first direction form a set included angle which is greater than 0° to form a first air duct in the parallel-connected bracket; the negative electrode bracket is arranged with second accommodating holes corresponding to the first accommodating holes facing the positive electrode bracket; in the parallel-connected bracket, each first accommodating hole and corresponding second accommodating hole are arranged to set the positive electrode and the negative electrode of a cell.

LITHIUM-ION SECONDARY BATTERY AND PREPARATION METHOD THEREFOR, ELECTRIC DEVICE, AND USE

Resumen de: WO2026152805A1

A lithium-ion secondary battery and a preparation method therefor, an electric device, and the use. The lithium-ion secondary battery comprises a negative electrode sheet and an electrolyte. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer located on at least one side of the negative electrode current collector. The negative electrode active material layer comprises an electronegative coating active material, and the electronegative coating active material comprises a coating layer. The coating layer comprises doped carbon, the doped carbon comprises a carbon matrix and an electronegative doping element, and the carbon matrix comprises one or more of soft carbon and hard carbon. The Pauling electronegative scales of the electronegative doping element and carbon are respectively marked as χ1 and χC, and the absolute difference between χ1 and χC is 0.03-0.49. The negative electrode active material layer comprises a first negative electrode active layer and can further comprise a second negative electrode active layer located between the negative electrode current collector and the first negative electrode active layer.

LITHIUM-ION SECONDARY BATTERY, ELECTRIC APPARATUS, AND USE

Resumen de: WO2026152809A1

A lithium-ion secondary battery, an electric apparatus, and a use. The lithium-ion secondary battery comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector, and a second negative electrode active layer and a first negative electrode active layer which are sequentially arranged on at least one side of the negative electrode current collector. The second negative electrode active layer is located between the negative electrode current collector and the first negative electrode active layer; and the second negative electrode active layer comprises a second negative electrode active material and quaternary ammonium salt compounds.

ELECTRODE SHEET CONDITIONING DEVICE AND ELECTRODE SHEET PROCESSING APPARATUS

Resumen de: WO2026152541A1

An electrode sheet conditioning device (100) and an electrode sheet processing apparatus. The electrode sheet conditioning device (100) comprises a conveying roller (10) and a flattening mechanism (20). The conveying roller (10) is configured to convey an electrode sheet material strip (200), the electrode sheet material strip (200) comprising a material strip body (50) and tabs (60). The flattening mechanism (20) comprises an air-blowing module (30), wherein an air-accommodating cavity (33) is formed in the air-blowing module (30); air intake holes (35) and air output holes (36) are formed in the air-blowing module (30); the air-accommodating cavity (33) enables the air intake holes (35) to be in communication with the air output holes (36); and the air-blowing module (30) is configured to blow an air flow onto the tabs (60) via the air output holes (36) in a direction close to the conveying roller (10).

BATTERY AND POWER CONSUMING APPARATUS

Resumen de: US20260213322A1

A battery and a power consuming apparatus. The battery includes an accommodating box and a battery cell, where an accommodating cavity is provided in the accommodating box, the battery cell is disposed in the accommodating cavity, the accommodating box is provided with an avoidance region, the avoidance region protrudes in a direction away from the battery cell to form a boss, so that an accommodating groove is formed on a corresponding inner wall of the accommodating cavity, and a protrusion is formed on an outer surface of the battery cell, where at least part of the protrusion is located in the accommodating groove.

BUFFER MEMBER, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260213351A1

A buffer member, a battery cell, a battery, and an electric apparatus are disclosed. The buffer member is used inside the battery cell, the battery cell) includes an electrode assembly, where the buffer member has a pressure-bearing face facing or facing away from the electrode assembly, and the pressure-bearing face is provided with a clearance groove.

BUFFER PAD, BATTERY CELL, BATTERY AND ELECTRIC APPARATUS

Resumen de: US20260213350A1

0000 A buffer pad, a battery cell, a battery, and an electric apparatus are provided. The buffer pad, used inside the battery cell, includes a plurality of buffer members, where the plurality of buffer members are arranged along a first direction, and two adjacent buffer members have different rebound rates under a same pressure.

LASER WELDING METHOD

Resumen de: US20260208297A1

A laser welding method for joining stacked metal foils in which a plurality of copper-based foils are stacked and a tab plate formed of a copper-based material is provided. The laser welding method includes placing one end of the stacked metal foils on the tab plate; and irradiating the one end of the stacked metal foils and the tab plate with a blue laser beam by reciprocating the blue laser beam a plurality of times along a welding line on the tab plate along the one end of the stacked metal foils. The stacked metal foils and the tab plate irradiated with the blue laser beam have a joint portion in which a portion between a surface of the tab plate irradiated with the blue laser beam and the one end of the stacked metal foils is obliquely joined to the surface of the tab plate.

ELECTROLYTE ADDITIVE COMPOSITION, ELECTROLYTE, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260213268A1

0000 An electrolyte additive composition, an electrolyte, a battery, and an electric apparatus are provided. The electrolyte additive composition includes an isocyanate additive and an impedance-stabilizing additive at a weight ratio of (0.1 to 0.8):1. In the electrolyte additive composition, the impedance-stabilizing additive and the isocyanate additive are compounded, and a content ratio of the two is controlled, so that the stability of the impedance-stabilizing additive in the electrolyte can be improved, reducing the DCR of a cell of a battery and improving the stability of the DCR of the cell of the battery during charging, discharging, and storage, thereby improving the RTE of the battery during service.

POSITIVE ELECTRODE MATERIAL, SURFACE-RECONSTRUCTED MATERIAL AND LITHIUM-ION BATTERY

Resumen de: WO2026153429A1

A positive electrode material, a surface-reconstructed material and a lithium-ion battery. In an XPS spectrum of the positive electrode material, after peak fitting processing, a surface oxygen O1s characteristic peak of the positive electrode material can yield at least two characteristic peaks, including: a first characteristic peak within the range of 529.0±0.5 eV and a second characteristic peak within the range of 531.2±0.5 eV. The positive electrode material satisfies at least one of the following conditions: (1) the degree of separation between the first characteristic peak and the second characteristic peak is less than or equal to 1.0; and (2) the distance between the peak positions of the first characteristic peak and the second characteristic peak is less than or equal to 2.4 eV. The positive electrode material in the embodiments of the present application has a more stable structure, thereby helping to improve performance in terms of the cycling life, safety, etc. of a battery.

POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026153007A1

Disclosed in the present invention are a positive electrode material, and a preparation method therefor and the use thereof. The chemical formula of the positive electrode material is: Li1+nMnxAMyTMzO2-mQm, where n is 0-0.4, and x is 0.5-0.7; AM is Na and/or K, each y independently is 0.1-0.25, and the sum of all y is less than or equal to 0.4; TM is Zr, Cu, Mg, Ti, Fe, Al, etc., each z independently is 0.01-0.1, and the sum of n, x, all y and all z is 1; and Q is F, Cl, Br, I, etc., each m independently is 0.1-0.35, and the sum of all m is less than or equal to 0.4. During preparation, all the raw materials of the components are mixed and ground, and then sintered in one step. The preparation method is simple and easy to operate, and the prepared positive electrode material also has excellent electrochemical performance, which indicates that the present invention can avoid performing doping with a metal, such as Ni or Co, which has a relatively high price, thereby lowering the cost.

ENERGY STORAGE SYSTEM

Resumen de: WO2026152863A1

The present application belongs to the technical field of energy storage. Provided is an energy storage system. A power converter in the energy storage system can not only charge and discharge a battery pack, but can also supply an excitation current to the battery pack. A current sampling circuit in the energy storage system can measure the excitation current flowing through the battery pack, and transmit the measured excitation current to a BMU in the battery pack. The BMU can measure a voltage that is generated across a battery cell by the excitation current, and determine EIS of the battery cell on the basis of the received excitation current and the measured voltage. Since the power converter can supply the excitation current to the battery pack during the charging and discharging of the battery pack, and none of the current measurement process, the voltage measurement process and the EIS measurement process interferes with the normal charging and discharging of the battery pack, the EIS measurement process of the battery cell can be performed synchronously with the charging and discharging process of the battery pack, thereby enabling online EIS measurement of the battery cell.

BATTERY CELL AND BATTERY PACK

Resumen de: WO2026153387A1

The present application relates to the technical field of batteries, and discloses a battery cell and a battery pack. The battery cell comprises a casing, an electrode assembly, a cover plate, and an explosion-proof valve. In the embodiments of the present application, the reasonable area S of the explosion-proof valve is obtained by measuring the maximum sizes L, T, and H of the casing in three directions, the thicknesses I, M, and J of a first wall, a second wall, and a third wall of the casing, and the maximum size a of the cover plate in a third direction; and the area S of the explosion-proof valve can be calculated without using complex parameters such as areal density, capacity per gram, and active substance mass, thereby avoiding errors caused by complex measurements and calculations, and simplifying the calculation method. By reasonably designing the size of the explosion-proof valve, it can be ensured that the explosion-proof valve can be opened normally for gas release when thermal runaway occurs to the battery cell, thereby improving the safety and reliability of the battery cell.

PASSIVE CELL BALANCING

Resumen de: US20260208623A1

Battery systems and methods for balancing batteries are provided. A battery system includes groups connected in series, wherein each group has a balancing window defined between an upper voltage V1 and a lower voltage V2; each group has a minimum idle voltage V3; V1>V2>V3; each group comprises at least one cell; and each cell independently has a self-discharge current less than or equal to self-discharge current ISD; and a diode arrangement configured to passively reduce a difference in voltage between groups, wherein: the diode arrangement comprises diodes; each diode is connected electrically in parallel with a respective group; each diode is configured to drain the respective group with a same first diode current ID1 at voltage V1, with a same second diode current ID2 at voltage V2, and with same a third diode current ID3 at voltage V3; ID1>ID2>ID3>0; and ID1>ID2+ISD.

DEVIATION CORRECTION APPARATUS AND BATTERY PRODUCTION DEVICE

Resumen de: WO2026152891A1

The present disclosure relates to a deviation correction apparatus and a battery production device. The deviation correction apparatus comprises: a first deviation correction assembly and a second deviation correction assembly. The first deviation correction assembly comprises a first moving seat, a first deviation correction roller, and a first adjustment driving member, wherein the first deviation correction roller is arranged on the first moving seat, and the first adjustment driving member is configured to drive the first moving seat to drive the first deviation correction roller to move in a first direction. The second deviation correction assembly comprises a second moving seat, a second deviation correction roller, and a second adjustment driving member, wherein the second deviation correction roller is arranged on the second moving seat, and the second adjustment driving member is configured to drive the second moving seat to drive the second deviation correction roller to move close to or away from the first deviation correction roller in the first direction. The deviation correction apparatus provided by the present disclosure can improve the deviation correction efficiency.

BATTERY DIAGNOSIS DEVICE AND OPERATION METHOD THEREOF

Resumen de: AU2025291721A1

A battery diagnosis device according to an embodiment disclosed in the present document may comprise: an interface for acquiring state data including a current value and a voltage value of a battery cell for each diagnosis cycle corresponding to a charging cycle or a discharging cycle; and a controller for calculating a similarity between reference data and current data including the current value, extracting, from the current data, first current data having the similarity exceeding a reference value, and diagnosing whether the battery cell is abnormal, on the basis of a first voltage value corresponding to the first current data.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026152900A1

The present application relates to a secondary battery and an electronic device. The secondary battery comprises an electrode assembly. The electrode assembly comprises a positive electrode sheet, a separator, and a negative electrode sheet that are stacked. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer, wherein the negative electrode active material layer comprises a negative electrode active material; the negative electrode active material comprises a silicon-based material; and at least one surface of the negative electrode current collector in the thickness direction is provided with the negative electrode active material layer. In the thickness direction of the negative electrode current collector, the negative electrode current collector comprises a first metal layer and a second metal layer attached to the surface of the first metal layer. The first metal layer is a metal foil, and the first metal layer comprises copper. The tensile strength of the negative electrode current collector is not less than 700 MPa, the elongation rate of the negative electrode current collector is not less than 8%, and the thickness of the negative electrode current collector is H1, wherein H1≥5 μm. The secondary battery and electronic device in the present application can mitigate the problems of deformation and fracture of the negative electrode sheet during cycling.

BATTERY PACK, ENERGY STORAGE APPARATUS AND ENERGY STORAGE SYSTEM

Resumen de: WO2026152567A1

The embodiments of the present application relate to the technical field of batteries. Disclosed are a battery pack, an energy storage apparatus and an energy storage system. A conductive structural adhesive is provided between an insulating layer of each battery and the bottom of a first case. When the battery pack is at a high electric field strength, even if there are bubbles inside the structural adhesive, due to the conductivity of the structural adhesive, charges in the structural adhesive move under the high electric field strength, such that the voltages at various positions in the structural adhesive reach a balance, and a high voltage difference is not to be formed at the bubbles of the structural adhesive. Therefore, partial discharge is not to be generated in the bubbles of the structural adhesive, preventing the insulating layer on the outer surface of the battery from losing an insulating effect due to aging under the long-term effect of the partial discharge, thereby avoiding thermal runaway caused by a short circuit between the battery and the first case of the battery pack, and also ensuring that the battery pack can pass partial-discharge testing and thus be put into use.

TRANSFER DEVICE AND BATTERY PRODUCTION APPARATUS

Resumen de: WO2026152929A1

The present application relates to a transfer device and a battery production apparatus. The transfer device comprises a frame, a transfer mechanism, and a cam drive mechanism. The frame comprises a fixed platform and a mounting bracket, wherein the mounting bracket is arranged on the fixed platform and extends in a first direction. The transfer mechanism comprises a mounting member and a gripping member, wherein the mounting member is movably arranged on the mounting bracket in the first direction, and the gripping member is arranged on the mounting member and can rotate relative to the mounting bracket. The cam drive mechanism comprises a cam and a swing arm, wherein the swing arm is rotatably connected to the mounting bracket, one end of the swing arm being connected to the cam, and the other end being connected to the mounting member; rotation of the cam drives the swing arm to swing, thereby driving the mounting member to move in the first direction. By providing the cam drive mechanism to drive the transfer mechanism, the transfer mechanism achieves a large moving distance and a high moving speed in the first direction. Compared with conventional robotic arms, the transfer device of the present application has a simple motion path and continuous actions, greatly improving the transfer efficiency.

BATTERY PACK EQUALIZATION METHOD, CONTROLLER AND BATTERY PACK CHARGING SYSTEM

Resumen de: WO2026153584A1

Provided in the present application are a battery pack equalization method, a controller and a battery pack charging system. The battery pack equalization method is applied to a battery pack charging process, and a battery pack comprises a plurality of battery cells. The method comprises: acquiring voltage values of a plurality of battery cells (S101); when the voltage values of the plurality of battery cells are all within a preset voltage range and satisfy an equalization condition, selecting a reference battery cell from among the plurality of battery cells, and using the battery cells among the plurality of battery cells other than the reference battery cell as battery cells to be equalized (S103); calculating a voltage difference between each battery cell to be equalized and the reference battery cell (S105); and on the basis of the calculated voltage difference, equalizing the corresponding battery cell to be equalized (S107).

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026152901A1

The present application relates to a secondary battery and an electronic device. The secondary battery comprises an electrode assembly. The electrode assembly comprises a positive electrode sheet, a separator, and a negative electrode sheet which are stacked. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer, wherein the negative electrode active material layer comprises a negative electrode active material, and the negative electrode active material comprises a silicon-based material; and at least one surface of the negative electrode current collector is provided with a negative electrode active material layer. The negative electrode current collector comprises a first metal layer and a second metal layer, which is attached to a surface of the first metal layer, wherein the first metal layer is a metal foil, the first metal layer comprises nickel, and the second metal layer comprises copper. The tensile strength of the negative electrode current collector is not less than 950 MPa, and the elongation rate of the negative electrode current collector is not less than 6%. The secondary battery and the electronic device of the present application can ameliorate the problems of the deformation and breakage of a negative electrode sheet during the cycle process.

CELL HEAT-INSULATION PAD DESIGN METHOD, ELECTRONIC DEVICE AND STORAGE MEDIUM

Resumen de: WO2026152677A1

Disclosed in the present application are a cell heat-insulation pad design method, an electronic device and a storage medium. The method comprises: acquiring performance parameters of target cells; on the basis of the performance parameters, determining size data of a heat-insulation pad corresponding to the target cells; verifying the size data of the heat-insulation pad to generate a corresponding verification result; and after it is determined on the basis of the verification result that the size data of the heat insulation pad does not meet a preset requirement, adjusting the heat-insulation pad between the target cells.

CERAMIC COMPOSITE PARTICLE AND SECONDARY BATTERY USING THE SAME

Resumen de: US20260213170A1

A ceramic composite particle includes a ceramic particle and a coating layer that covers at least a part of a surface of the ceramic particle and contains two or more phases. The coating layer contains a first phase composed of an oxide-based ion conductor and a second phase composed of an amorphous-phase-containing ion conductor containing an amorphous phase. The first phase has an ionic conductivity higher than an ionic conductivity of the second phase. The second phase has a Young's modulus lower than a Young's modulus of the first phase.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260213373A1

0000 A battery cell, a battery, and an electric apparatus are disclosed. The battery cell includes: an electrode assembly including a positive electrode plate and a negative electrode plate, where the positive electrode plate includes a positive electrode current collector and a positive electrode active material disposed on the positive electrode current collector, the positive electrode active material including an active material capable of reversibly deintercalating and intercalating sodium ions, and the negative electrode plate includes a negative electrode current collector, the negative electrode current collector including a metal substrate; where a constituent material of the metal substrate includes element aluminum, and a mass percentage of the element aluminum is greater than a mass percentage of each of other elements.

POSITIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, AND BATTERY

Resumen de: WO2026152361A1

The present invention provides a positive electrode sheet. The positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer comprises a positive electrode active material, a conductive agent, and binders; the binders include a type A binder and a type B binder; the type A binder comprises a first binder; the type B binder comprises at least one of a second binder and a third binder; and the contents of the first binder, the second binder, and the third binder are α, β, and γ, respectively, and α, β, and γ satisfy: 1.0%≤α+β+γ≤3.0%, 0%<α<3.0%, 0%≤β≤1.0%, and 0%≤γ≤2.0%. In the present application, by controlling the mixing ratio of multiple binders, the solid content of a positive electrode mixture is increased, and the usage amount of a solvent is reduced, which facilitates subsequent extrusion forming of a film and effective lamination and bonding with the current collector, so that the positive electrode mixture can have good softness and tensile properties while it is ensured that the positive electrode active material layer can be laminated and bonded with the positive electrode current collector, thereby ensuring the manufacturability of subsequent extrusion and thinning, and a lamination process.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US20260209073A1

0000 A cathode active material for a lithium secondary battery according to embodiments of the present disclosure comprises a lithium-sulfur-metal-containing portion and lithium-transition metal oxide particles having a minimum particle diameter (Dmin) of greater than 1 μm, wherein a relative standard deviation of the sulfur signal values of the lithium-transition metal oxide particles, as measured repeatedly ten times by X-ray photoelectron spectroscopy (XPS) analysis, is 10.5% or less.

PRELITHIATED NEGATIVE ELECTRODE PLATE, PREPARATION METHOD OF LITHIUM SUPPLEMENTATION COMPOSITE LAYER, LITHIUM SUPPLEMENTATION METHOD, SECONDARY BATTERY, AND ELECTRONIC APPARATUS

Resumen de: US20260213196A1

0000 A negative electrode material layer includes a first surface and a second surface opposite each other. From the first surface to the second surface, the negative electrode material layer sequentially includes a first region, a second region, and a third region, the third region being located on a surface of the negative electrode current collector. A thickness of the first region, the second region, and the third region each account for ⅓ of a thickness of the negative electrode material layer Based on a mass of the first region, a mass percentage of lithium element is W1, based on a mass of the second region, a mass percentage of lithium element is W2, and based on a mass of the third region, a mass percentage of lithium element is W3, where W1>W2>W3, 1.01≤W1/W2≤2.0, and 1.01≤W2/W3≤2.0.

SUPER-IONIC CONDUCTOR ELECTROLYTE AND PREPARATION METHOD THEREFOR, HYBRID SUPER-IONIC CONDUCTOR ELECTROLYTE, QUASI-SOLID FLEXIBLE SUPER-IONIC CONDUCTOR ELECTROLYTE, SUPER-IONIC CONDUCTOR ELECTROLYTE FOR ALKALINE BATTERIES, AND ENERGY STORAGE DEVICE

Resumen de: WO2026152888A1

Provided are a super-ionic conductor electrolyte, a preparation method therefor, a hybrid super-ionic conductor electrolyte, a quasi-solid flexible super-ionic conductor electrolyte, a super-ionic conductor electrolyte for alkaline batteries, and an energy storage device. The super-ionic conductor electrolyte includes an ionic liquid A X, where A is derived from choline or a halide thereof, and X is derived from a pyrimidine carboxylic acid derivative. The super-ionic conductor electrolyte exhibits ultra-high ionic conductivity, thermal stability, electrochemical stability, non-volatility and non-flammability. It possesses the duality of an ionic super-ionic conductor and a green solvent.

BATTERY PACK AND COOLING SYSTEM INCLUDING THE SAME

Resumen de: US20260213300A1

0000 A battery pack and a cooling system including the battery pack are disclosed. A battery pack according to the present disclosure includes: a pack housing configured to receive coolant for immersion cooling; a battery module accommodated within the pack housing; and an electrical component accommodated within the pack housing and disposed separately from the battery module, wherein the pack housing includes: a battery module housing configured to accommodate the battery module; and an electrical component housing configured to accommodate the electrical component, wherein the coolant flows through the battery module housing and the electrical component housing.

BATTERY MODULE WITH IMPROVED STABILITY OF ELECTRIC CONNECTION OF BATTERY CELLS

Resumen de: US20260213380A1

0000 Disclosed herein is a battery module. The battery module includes: a first bracket including a first tray in which first wells are formed; a second bracket including a second tray in which second wells are formed; a plurality of cells configured to be at least partially inserted into the first and second wells; one or more first electrodes disposed between the first tray and the cells; one or more second electrodes disposed between the second tray and the cells; and one or more elastic coupling members configured to provide the elastic force intended to at least partially tighten the first and second brackets in a third direction.

HIGH POWER CATHODE FOR USE IN ELECTROCHEMICAL CELLS

Resumen de: WO2026154298A1

The present invention provides a cathode for electrochemical cells, comprising a combination of electroactive materials and additive active materials in a weight ratio of 85- 95%, binders in a range of 3-8% by weight, and conductive diluents in a range of 1-5% by weight. The electroactive materials include lithium manganese iron phosphate (LLMFP), lithium ferro phosphate (LFP), nickel-manganese-cobalt oxides (NMC 111, NMC 532, NMC 622, NMC 811, NMC 9 0.5 0.5), and lithium nickel cobalt aluminum oxide (NCA). The additive active materials include lithium cobalt oxide (LCO), lithium nickel cobalt aluminum oxide (NCA), and lithium-ion manganese oxide (LMO). The disclosed cathode enables formation of a high power density electrochemical cell, while maintaining optimal energy density, an extended lifecycle having a high number of charge-discharge cycles.

Electrode Assembly and Secondary Battery Including Same

Resumen de: US20260213383A1

An electrode assembly includes a jelly-roll structure in which a cathode, a separator, and an anode are wound around a core. The cathode includes an active material portion in which a cathode active material is laminated on one or both sides of a cathode current collector, and a cathode non-coated portion in which the cathode active material is not laminated. The cathode further includes a protective tape covering at least a part of the cathode non-coated portion adjacent to the core. The protective tape has a cross-sectional area of 0.3 mm2 to 0.47 mm2 in a longitudinal direction of the cathode. Also provided is a secondary battery including such an electrode assembly.

BATTERY STORAGE AND TRANSPORT SYSTEM

Resumen de: AU2025212847A1

The present disclosure relates to systems, devices, and methods for storing and transporting used battery cells. In particular, in one or more embodiments, the disclosed systems provide a battery cell storage and transportation system that includes a plurality of battery cell storage and transportation trays. The battery cell storage and transportation trays can be stacked and can encapsulate individual battery cells in a vertical orientation within dedicated cavities. Moreover, the battery cell storage and transportation trays can include isolation cavities for terminals of the battery cells. Furthermore, in some embodiments, the disclosed systems provide for a series of battery cell storage and transportation trays to be stacked and placed onto a pallet base for storage and/or transportation.

ELECTRODE TAPE INSPECTION DEVICE AND ELECTRODE TAPE INSPECTION METHOD USING THE SAME

Resumen de: US20260210851A1

0000 An electrode tape inspection device designed for continuously performing dimensional inspection of and detecting foreign substances with an electrode and tape attached to the electrode during an electrode taping process. The inspection device comprises a photographing unit and two illumination units for dimensional and foreign substance inspection. The photographing unit is configured to photograph the electrode and the tape attached to the electrode. The illumination unit designed for taking dimensional measurements is arranged to illuminate the tape in order to measure the tape and the electrode. The illumination unit for foreign substance detection is arranged to illuminate the tape to detect any foreign substances present with the tape and the electrode.

RIGID PRINTED CIRCUIT BOARD BUS BAR CARRIER AND CELL INTERCONNECT

Resumen de: AU2024419457A1

In some implementations, a battery module (104) may include a battery stack comprising a plurality of battery cells (106), one or more module interconnect bus bars (208), and a printed circuit board (PCB) (204) disposed on the battery stack and defining a plurality of openings (214). The PCB (204) may be configured as a carrier for the one or more module interconnect bus bars (208). The plurality of openings (214) may be arranged such that each of the plurality of openings (214) aligns with a terminal of each of the plurality of battery cells (106). The one or more module interconnect bus bars (208) may be attached to the PCB (204) in alignment with the plurality of openings (214) and electrically connected to the plurality of battery cells (106) of the battery stack.

LEAPING BUS BAR

Resumen de: AU2024419294A1

In some implementations, a battery module (104) may include a battery stack with a plurality of battery cells (106), a leaping bus bar (204) electrically connecting multiple non-adjacent battery cells (106) of the plurality of battery cells (106), and a linear bus bar (206) electrically connecting multiple adjacent battery cells (106) of the plurality of battery cells (106). The multiple adjacent battery cells (106) may be disposed between the multiple non-adjacent battery cells (106) electrically connected by the leaping bus bar (204).

POSITIVE ELECTRODE MATERIAL, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: WO2026153200A1

The present application discloses a positive electrode material, a secondary battery, and an electronic device. The positive electrode material is rod-shaped grains having an olivine structure; the average length of the positive electrode material is I nm, wherein 150≤I≤1000; the average cross-sectional diameter of the positive electrode material is D nm, wherein 50≤D≤300; the aspect ratio of each single grain of the positive electrode material is P, and based on the total number of grains of the positive electrode material, the proportion of grains having an aspect ratio of 1.5≤P≤5 is A%, wherein 50≤A≤100. The positive electrode material provided in the present application is used for secondary batteries, can increase the lithium-ion diffusion coefficient, and has excellent high-rate discharge performance and low-temperature performance.

BUTTON BATTERY

Resumen de: WO2026152934A1

Provided in the present application is a button battery. The button battery comprises a casing and a laminated cell, wherein the casing comprises a bottom casing, a terminal post and a top cover. The top cover is hermetically connected to the bottom casing. The terminal post is connected to the top cover. The bottom casing and the terminal post lead out different polarities. The laminated cell is arranged in the casing. In the stacking direction of the laminated cell, the laminated cell comprises a first single-sided electrode sheet and a second single-sided electrode sheet, which are located on the outermost sides. The first single-sided electrode sheet and the second single-sided electrode sheet have opposite polarities. The first single-sided electrode sheet comprises a first current collector and a first active material layer. In the stacking direction of the laminated cell, the surface of the first current collector facing the terminal post is directly electrically connected to the terminal post. The first active material layer is arranged on the surface of the first current collector facing away from the electrode post. The second single-sided electrode sheet comprises a second current collector and a second active material layer. The surface of the second current collector facing away from the terminal post is directly electrically connected to the bottom casing. The second active material layer is arranged on the surface of the second current collector facing the term

NEGATIVE ELECTRODE ACTIVE MATERIAL AND BATTERY

Resumen de: US20260213175A1

0000 The negative electrode active material of the present disclosure includes Li, V, M, and O, wherein M is at least one selected from the group consisting of tetravalent metal elements, excluding V, and tetravalent metalloid elements, and wherein the electronic conductivity is greater than or equal to 7.0×10<−13 >S/cm.

SYSTEMS AND METHODS FOR BATTERY MANAGEMENT AND CONTROL OF AN ELECTRIC VEHICLE

Resumen de: AU2024394269A1

This disclosure relates to flight control of electric aircraft and other vehicles. A computer-implemented method for estimating available range of an aircraft in flight is disclosed, comprising: receiving electrical information of one or more batteries measured using a first sensor; estimating aircraft-level energy based on electrical information of the one or more batteries; receiving one or more of an altitude of the aircraft or a current airspeed of the aircraft measured using a second sensor; estimating a steady-state force based on the one or more of the altitude of the aircraft or the current airspeed of the aircraft; estimating one or more of a vertical landing range or a horizontal landing range based on the one or more of the estimated aircraft-level energy or the estimated steady-state force; and displaying the one or more of the estimated vertical landing range or the estimated horizontal landing range on a display.

COMPOSITION, METHOD FOR MANUFACTURING COATED ACTIVE MATERIAL, METHOD FOR MANUFACTURING BATTERY, AND BATTERY

Resumen de: US20260209065A1

0000 A composition according to an aspect of the present disclosure contains a monohydric alcohol, at least one organic substance having a hydroxy group and having no carboxyl group, and at least one active material. The organic substance dissolves in the monohydric alcohol.

COMPOSITION, METHOD FOR MANUFACTURING COATED ACTIVE MATERIAL, METHOD FOR MANUFACTURING BATTERY, AND BATTERY

Resumen de: US20260209067A1

A composition according to an aspect of the present disclosure contains water, lithium hydroxide, at least one organic substance that has no carboxyl group and that dissolves in water, and at least one active material. The percentage of the lithium hydroxide relative to the water is greater than or equal to 10% as a percentage by mass.

LITHIUM VANADIUM OXIDE, NEGATIVE ELECTRODE ACTIVE MATERIAL, AND BATTERY

Resumen de: US20260209066A1

The lithium vanadium oxide of the present disclosure is a lithium vanadium oxide including Li, V, M, and O, wherein M is at least one selected from tetravalent metal elements excluding V and tetravalent metalloid elements, and the lithium vanadium oxide includes both a β-phase and a γ-phase as crystal phases.

THERMAL MANAGEMENT CONTROL METHOD AND APPARATUS FOR VEHICLE

Resumen de: WO2026153135A1

A thermal management control method and apparatus for a vehicle. The method comprises: acquiring current thermal management parameters of a target vehicle, wherein the current thermal management parameters comprise the current battery body temperature, the current battery water intake temperature, the current engine coolant temperature, the current ambient temperature, the current charging mode and the current passenger compartment air conditioner on-off state (S201); acquiring current weight coefficients corresponding to the current thermal management parameters, and on the basis of the current thermal management parameters and the current weight coefficients, determining the current cooling mode of a power battery (102) and a passenger compartment of the target vehicle (S202); and on the basis of the current cooling mode, performing cooling on the power battery (102) and/or the passenger compartment of the target vehicle (S203). By means of the present application, a corresponding cooling mode can be determined on the basis of current thermal management parameters of a target vehicle, so as to perform cooling to reduce the temperature of an engine coolant.

BATTERY BOX, BATTERY PACK AND VEHICLE

Resumen de: AU2025297460A1

A battery case, a battery pack and a vehicle. The battery case comprises a cold plate (60), a battery frame (10), and a cold plate sealant (70), wherein the battery frame (10) is located on one side of the cold plate (60) and is arranged around the periphery of the cold plate (60). At least one of the cold plate (60) and the battery frame (10) is provided with a sealing groove (1121). Sealing grooves (1121) are formed on the sides of the cold plate (60) and the battery frame (10) that are close to each other. The cold plate sealant (70) is located in the sealing groove (1121). In the direction perpendicular to the extension direction of the sealing groove (1121), the sealing groove (1121) has a first groove edge (1122) and a second groove edge (1123) which are arranged opposite each other. The first groove edge (1122) and the second groove edge (1123) are both located on one side of the groove bottom of the sealing groove (1121).

BATTERY COMPRISING BUFFER LAYER

Resumen de: US20260213203A1

0000 The present disclosure relates to a battery. The battery according to one embodiment of the present disclosure includes: a cathode; an anode spaced apart from the cathode; and a separator disposed between the cathode and the anode. The anode includes: a current-collecting layer including a metal material; an electrode layer which is spaced apart from the current-collecting layer and which includes a plurality of pores; and a buffer layer which is disposed between the current-collecting layer and the electrode layer and which includes a binder mixed with conductive carbon. The binder can include a compound having an elastic modulus.

BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD

Resumen de: US20260211058A1

0000 Provided is a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes a data obtaining unit configured to obtain a first target full-cell profile representing a correspondence between a capacity factor and a voltage of a target cell while a first electric stimulation is being applied to the target cell, and a control circuit configured to generate an estimated full-cell profile based on the first target full-cell profile and an overpotential profile. The control circuit determines a first performance factor group as a primary estimation result for charge/discharge performance of the target cell by applying a cell diagnosis logic to the estimated full-cell profile. The control circuit determines a second performance factor group as a secondary estimation result for the charge/discharge performance of the target cell by applying a factor correction model to the first performance factor group. The second performance factor group includes an estimation result of a positive electrode loading amount of the target cell.

ENERGY STORAGE CONTAINER AND ENERGY STORAGE SYSTEM

Resumen de: AU2024406349A1

An energy storage container (100) and an energy storage system (1000). The energy storage container (100) comprises a housing (10), wherein a battery compartment (20), an electrical compartment (30), and a liquid cooling unit (40) are arranged in the housing (10); and the electrical compartment (30) and the liquid cooling unit (40) are arranged on the same end side of the battery compartment (20) in a first direction (O). Such arrangement can effectively improve the space utilization ratio of the energy storage container (100); and additionally, a worker can inspect the electrical compartment (30) and the liquid cooling unit (40) on the same end side of the energy storage container (100), thereby effectively improving the convenience of on-site maintenance.

NEGATIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: US20260213155A1

0000 A negative electrode sheet includes a negative electrode current collector and a negative electrode material layer. Along a length direction of the unfolded negative electrode sheet, the negative electrode sheet includes a blank foil region and a single-sided negative electrode material layer region connected to the blank foil region. Based on a length of the negative electrode sheet, a length proportion of the blank foil region is A, and a length proportion of the single-sided negative electrode material layer region is B, where 1/60≤A≤1/11, and 1/20≤B≤1/5. Grooves are provided on the negative electrode material layer in the single-sided negative electrode material layer region, the grooves extend in a width direction of the unfolded negative electrode sheet and are spaced apart along the length direction of the unfolded negative electrode sheet.

BATTERY CELL

Resumen de: WO2026153440A1

The present application belongs to the technical field of batteries. Disclosed is a battery cell. The battery cell comprises a cover plate assembly. The cover plate assembly comprises a cover plate body, a first terminal post and a second terminal post, wherein the cover plate body has an assembly hole; the first terminal post comprises a penetrating portion and a first main body portion, the first main body portion is arranged on one side of the cover plate body in a thickness direction, and the penetrating portion is connected to the first main body portion and is at least partially arranged in the assembly hole in a protruding manner; the second terminal post comprises a connecting portion and a second main body portion, the second main body portion is arranged on the side of the cover plate body facing away from the first main body portion, the connecting portion is connected to the first main body portion, is at least partially arranged in the assembly hole in a protruding manner and abuts against the first main body portion, the connecting portion is provided with a through hole, and the penetrating portion passes through the through hole; the penetrating portion and the connecting portion are welded to each other and form a first welding portion; and the first main body portion and the connecting portion are welded to each other and form a second welding portion. By means of double welding structures, the connection stability is increased, and the sealing performance o

ELECTRODE SHEET SLITTING SYSTEM AND BATTERY PRODUCTION DEVICE

Resumen de: WO2026152533A1

An electrode sheet slitting system and a battery production device. The electrode sheet slitting system (101) comprises: a first cutting mechanism (110), configured to cut a material strip to form an electrode sheet (30) and convey the electrode sheet (30), the electrode sheet (30) comprising tabs located on two sides; a second cutting mechanism (111), configured to receive the electrode sheet (30) conveyed by the first cutting mechanism (110) and slit the electrode sheet (30) into a first electrode sheet (31) and a second electrode sheet (32), each of the first electrode sheet (31) and the second electrode sheet (32) comprising a tab located on one side; and a deviation correction mechanism (112), configured to acquire images of the first electrode sheet (31) and the second electrode sheet (32), and on the basis of the images, perform deviation correction on the position at which the material strip is cut by the first cutting mechanism (110) and/or the position at which the electrode sheet (30) is slit by the second cutting mechanism (111), such that the first electrode sheet (31) and the second electrode sheet (32) formed after deviation correction have consistent width dimensions. The electrode sheet slitting system has a simplified layout while maintaining high precision in electrode sheet slitting.

BATTERY ABNORMALITY DETECTION METHOD AND APPARATUS, AND ELECTRONIC DEVICE

Resumen de: WO2026152812A1

The embodiments of the present application relate to the technical field of computers. Provided are a battery abnormality detection method and apparatus, and an electronic device and a storage medium. The method comprises: by means of wireless communication, sending cell data of each cell in a battery module to a first storage node for storage; determining abnormal cell data from the cell data stored in the first storage node, and by means of wireless communication, sending the abnormal cell data to a second storage node for storage; and analyzing the abnormal cell data stored in the second storage node, so as to determine an abnormality cause of a cell having the abnormal cell data in a battery stack. By means of wireless communication, battery data is transmitted between and stored in structures, such that a wire harness is not required for connecting the structures during the design of a battery, a harness constraint caused when the structures of the battery are relatively complex is avoided, the harness costs can be reduced, and more battery space occupied by the wire harness can be freed up to place more cells, thereby improving the discharge capability of the battery itself.

BATTERY APPARATUS AND ELECTRIC DEVICE

Resumen de: WO2026153276A1

A battery apparatus (1) and an electric device, which solve the problem that electric arcing easily occurs between an upper case and live parts of battery cells (12). The battery apparatus (1) comprises: a battery cell assembly (18) comprising a plurality of battery cells (12) having electrode terminals; a case (11), comprising a first part (112) and a second part (111), wherein the second part (111) covers the first part (112) to form an accommodating cavity for accommodating the battery cell assembly (18), a first surface (1111) of the second part (111) is provided with at least one of protrusion portions (1112) and opening portions (1113), and the first surface (1111) is the surface of the second part (111) facing the electrode terminals; and an insulating member (16) located between the first surface (1111) of the second part (111) and the battery cell assembly (18). The insulating member (16) comprises a first insulating member (161) and second insulating members (162); the first insulating member (161) is arranged opposite to the first surface (1111) of the second part (111) and is provided with hollow portions (1611) exposing at least one of the protrusion portions (1112) and the opening portions (1113); and the second insulating members (162) are arranged opposite to at least one of the protrusion portions (1112) and the parts of the first surface (1111) exposed through the hollow portions (1611) and are provided with first through holes (1623) in communication with t

NEGATIVE ELECTRODE FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

Resumen de: US20260213206A1

Provided is a negative electrode for secondary batteries, the negative electrode being capable of suppressing decrease in the charge/discharge cycle characteristics of a battery. A negative electrode for secondary batteries according to one aspect of the present disclosure is provided with: a negative electrode current collector; and a negative electrode mixture layer formed on the surface of the negative electrode current collector. The negative electrode mixture layer contains carbon nanotubes and a compound of a Si-containing material and a silane coupling agent. The silane coupling agent has a phenyl group and at least one of an amine group and a methyl group.

METHOD FOR MANUFACTURING ENERGY STORAGE MODULE

Resumen de: US20260213347A1

A method for manufacturing a power storage module includes: a restraining step of disposing a pair of restraining plates at both ends of a stack in a first direction and restraining the stack in the first direction by the pair of restraining plates; and a cutting step of cutting a part of the stack by a rotary blade with setting the first direction to an up-down direction in a state where the stack is restrained by the pair of restraining plates to form a cut surface after the restraining step. In the restraining step, the stack is restrained such that an outer frame region is exposed from the pair of restraining plates, and in the cutting step, an end portion of the outer frame region is cut to form the cut surface.

PROTECTIVE LAYER FOR LITHIUM METAL ANODE, LITHIUM METAL ANODE, MANUFACTURING METHOD THEREOF, AND LITHIUM METAL BATTERY

Resumen de: US20260213212A1

0000 A protective layer (20) for a lithium metal anode, according to one embodiment, comprises a fluorine (F)-containing polymer and has a crystallinity of at least 2%. According to an embodiment, provided are a protective layer for a lithium metal anode and a lithium metal anode comprising same, the protective layer for a lithium metal anode inducing uniform electrodeposition behavior and distribution of lithium ions, and having both excellent ion conductivity and excellent mechanical strength.

COMPOSITE CURRENT COLLECTOR, PREPARATION METHOD THEREFOR, ELECTRODE, AND SECONDARY BATTERY

Resumen de: US20260213217A1

0000 A composite current collector, a preparation method therefor, an electrode, and a secondary battery. The composite current collector comprises: a polymer base film and composite layers provided on two sides of the polymer base film. Each composite layer comprises: a modified layer arranged on the polymer base film, and a metal layer arranged on the surface of the modified layer, wherein the material of the modified layer is a polymer formed by in-situ graft polymerization of a polymerized monomer and/or oligomer on the surface of the polymer base film; and the polymerized monomer comprises an acrylamide monomer, a crotonic acid monomer, or a combination thereof.

COMPOSITE PARTICLES, ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY

Resumen de: US20260213179A1

Provided are composite particles that can improve flexibility of an electrode and can cause a secondary battery to display excellent battery characteristics. The composite particles are used in dry forming of an electrode for a secondary battery and contain an electrode active material and a binder. The composite particles have an area circularity of not less than 0.50 and not more than 0.93 and have a porosity of not less than 65% and not more than 80%.

LIQUID COOLING PLATE OF BATTERY PACK, BATTERY PACK HAVING SAME, AND VEHICLE

Resumen de: AU2024409782A1

A liquid cooling plate of a battery pack, a battery pack having same, and a vehicle. The liquid cooling plate is provided with a bottom maintenance opening, and a liquid flow channel is provided inside the liquid cooling plate; and a liquid inlet and a liquid outlet are provided in the upper surface of the liquid cooling plate, and the bottom maintenance opening is located between the liquid inlet and the liquid outlet.

BATTERY ASSEMBLY AND VEHICLE HAVING SAME

Resumen de: AU2024414807A1

A battery assembly and a vehicle having same. The battery assembly comprises: battery packs (2), the battery packs (2) being arranged in sequence in a first direction, and each battery pack (2) being provided with multiple battery cells (60) arranged in sequence in a second direction; a heat exchange plate (1) is provided with a water inlet (10), a water outlet (20), a water inlet flow path in communication with the water inlet (10), and a water outlet flow path in communication with the water outlet (20); the heat exchange plate (1) is provided with heat exchange areas corresponding to the multiple battery packs (2); multiple branch flow paths corresponding to each of battery packs (2) are arranged in the heat exchange areas, the upstream end of each branch flow path is communicated with the water inlet flow path, and the downstream end of each branch flow path is communicated with the water outlet flow path.

HEAT EXCHANGE PLATE, AND BATTERY ASSEMBLY AND VEHICLE HAVING SAME

Resumen de: AU2024412335A1

A heat exchange plate (100), and a battery assembly and a vehicle having same. The heat exchange plate (100) comprises: a heat exchange plate body (10), a heat exchange surface (11) being formed on the heat exchange plate body (10), and a cooling flow channel (13) and a water inlet (14) and a water outlet (15) in communication with the cooling flow channel (13) being formed inside the heat exchange plate body (10), the cooling flow channel (13) comprising a water inlet flow path (131) and a water outlet flow path (132), the water inlet flow path (131) being in communication with the water inlet (14), the water outlet flow path (132) being in communication with the water outlet (15), and the water inlet flow path (131) and/or the water outlet flow path (132) being provided at the edge of the heat exchange plate body (10); and plurality of branch flow paths (133), each branch flow path (133) being connected to the water inlet flow path (131) and the water outlet flow path (132) and directly facing the heat exchange surface (11) so as to be suitable for heat exchange of a battery pack.

BATTERY PACK AND VEHICLE

Resumen de: AU2024410808A1

A battery pack and a vehicle. The battery pack comprises a case, a battery module, and an electrical module; the case comprises a front side wall and a back side wall, and a side inspection port is formed on the back side wall; the battery module is located in the case; the electrical module is mounted in the case; the electrical module comprises an electrical connection structure, a first electrical part and a second electrical part; the first electrical part is located on the back side of the battery module and is arranged opposite to the side inspection port; the second electrical part is located on the front side of the battery module; the electrical connection structure is configured to be electrically connected to the first electrical part, the second electrical part and the battery module.

IONIC LIQUID ADDITIVE FOR SOLID-STATE LITHIUM METAL BATTERY ELECTROLYTE AND USE THEREOF

Resumen de: WO2026152611A1

The present invention provides an ionic liquid additive for a solid-state lithium metal battery electrolyte and a method for using the ionic liquid additive to prepare the solid-state lithium metal battery electrolyte. A bis(trifluoromethanesulfonyl)imide salt containing terphenyl and lithium carboxylate obtained by means of a Michael addition reaction is captured by open metal sites of a MOF material UiO-66-NH2, which can improve the structural stability of the material and provide more transport channels for lithium ions, thereby increasing the lithium ion transference number, and helping to improve the performance of a lithium metal battery, especially in terms of charging and discharging rates. An electrolyte material of the present invention has good stability with lithium metal, which helps to prevent electrolyte decomposition and avoid unstable phenomena on the surface of an electrode, such as lithium dendrite growth, so that the lithium metal battery can exhibit excellent electrochemical performance, comprising better cycling stability, high Coulombic efficiency and longer battery life.

DRY BINDER AND PREPARATION METHOD THEREFOR, AND ELECTRODE SHEET AND PREPARATION METHOD THEREFOR

Resumen de: WO2026152635A1

The present application relates to the technical field of secondary ion batteries, and in particular relates to a dry binder and a preparation method therefor, and an electrode sheet and a preparation method therefor. The preparation method for a dry binder comprises the following steps: mixing a graft polymer and a metal salt, and granulating same to obtain a dry binder, wherein the graft polymer comprises maleic-anhydride-grafted polypropylene. In the present application, maleic-anhydride-grafted polypropylene is used as a polymer matrix, and is blended with a metal salt to prepare a solvent-free dry binder by means of a mixing process; and the prepared dry binder exhibits a good adhesive strength and lithium-ion conductivity, a high use safety, as well as low raw material costs.

BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE AND NONAQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODE

Resumen de: US20260213202A1

0000 The binder composition for a non-aqueous secondary battery negative electrode contains a polymer and an aqueous medium, the polymer having a first structural unit derived from a monomer (a1), the monomer (a1) being a nonionic compound having only one ethylenically unsaturated bond, and satisfies the following condition (1): In a test solution obtained by diluting the binder composition with water and having a nonvolatile content of 0.4 mass %, the concentration of sodium ions detected using an inductively coupled plasma optical emission analyzer is 3.0 mg/L or less.

Glass Fiber Composite Material and Thermoplastic Continuous Fiber Reinforced Woven Fabric Comprising Same

Resumen de: US20260210004A1

A glass fiber composite material of the present invention comprises: about 100 parts by weight of glass fibers; about 35 to about 72 parts by weight of polypropylene resin; about 12 to about 35 parts by weight of piperazine pyrophosphate; about 1 to about 20 parts by weight of a phosphagen compound; and about 1 to about 20 parts by weight of zeolite. The glass fiber composite material is excellent in lightweight properties, flame retardancy, impact resistance, and rigidity.

COATED POSITIVE ELECTRODE ACTIVE MATERIAL AND BATTERY USING THE SAME

Resumen de: US20260213166A1

0000 A coated positive electrode active material 13 of the present disclosure includes: a first positive electrode active material 10 including lithium and a transition metal; a coating layer 11 coating the first positive electrode active material 10. The coating layer 11 includes: a first material 14 including a halide; and a second material 15 including at least one selected from the group consisting of a second positive electrode active material capable of absorbing and releasing lithium and a compound including the transition metal. A battery 100 of the present disclosure includes: a positive electrode 23; a negative electrode 26; and an electrolyte layer disposed between the positive electrode 23 and the negative electrode 26. The positive electrode 23 includes the coated positive electrode active material 13 of the present disclosure.

PROCESSES TO REDUCE GAMMA-NiOOH IN BATTERY MATERIAL

Resumen de: US20260213181A1

Disclosed is a process for preparing a battery material including thermal treating an aqueous suspension including partially Delithiated Lithium Nickel Oxide (DLNO) to create a thermally treated suspension and contacting the thermally treated suspension with an aqueous medium including KOH, at a temperature between 20 degrees Celsius and 90 degrees Celsius to create a stabilized slurry containing solids of the battery material. A ratio of the weight of KOH in the aqueous medium to the weight of the DLNO in the thermally treated suspension may be between about 0.2 and about 0.03.

ELECTROLYTE ADDITIVE, ELECTROLYTE FOR BATTERIES INCLUDING ELECTROLYTE ADDITIVE, AND SECONDARY BATTERY INCLUDING ELECTROLYTE

Resumen de: US20260213263A1

The present invention relates to an electrolyte additive and an electrolyte and secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery that is capable of suppressing side reactions inside the battery, improving charging efficiency and output due to low charge resistance, and improving lifespan and high-temperature capacity retention.

LITHIUM ION CONDUCTING MATERIAL, LITHIUM ION SECONDARY BATTERY, AND METHOD FOR MANUFACTURING LITHIUM ION CONDUCTING MATERIAL

Resumen de: US20260213204A1

0000 Disclosed is a lithium ion conducting material excellent in lithium ion input/output characteristics. The lithium ion conducting material of the present disclosure comprises a composite of a polymer and an electrolytic solution. The electrolytic solution comprises a cyclic carbonate as a solvent and a lithium amide salt dissolved in the cyclic carbonate. A molar ratio of the lithium amide salt to the cyclic carbonate is greater than 0.25 and 0.33 or less.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: US20260213308A1

0000 A battery cell, a battery, and an electric device are described. The battery cell includes a casing and a first insulating member. The casing is provided with a pressure relief mechanism. The first insulating member wraps the outer surface of the casing, the first insulating member has a first overlapping region, and the first overlapping region does not overlap with the pressure relief mechanism. In this way, the first overlapping region of the first insulating member does not block the pressure relief mechanism, reducing the risk of the pressure relief mechanism failing to release pressure in time due to that the first overlapping region of the first insulating member blocks the pressure relief mechanism, thereby improving the timeliness of pressure relief of the pressure relief mechanism and improving the reliability of the battery cell.

BATTERY CONTROL CIRCUIT, BATTERY SYSTEM, ELECTRIC DEVICE, AND BATTERY CHARGING CONTROL METHOD

Resumen de: WO2026152710A1

The present application relates to the technical field of batteries, and provides a battery control circuit, a battery system, an electric device, and a battery charging control method. The battery control circuit comprises: a first module connected to a battery, wherein the first module comprises a switch circuit and a first energy storage circuit connected to the switch circuit, and the battery comprises two battery packs connected to each other; and a controller configured to: acquire voltages of the battery packs during charging, and in response to the voltage of at least one battery pack being greater than a first threshold, control, by means of the first module, the battery to switch from a charging state to a first state, wherein the first state comprises: performing, by means of the first module, mutual discharging of the two battery packs. The battery control circuit of the present application can improve the charging efficiency of the battery.

BATTERY PACK

Resumen de: WO2026152669A1

A battery pack. The battery pack comprises a bottom plate, an upper cover, a BMS board, a first battery cell, a second battery cell, a first busbar, a second busbar, and third busbars. The upper cover is detachably connected to the bottom plate. An accommodating cavity is formed between the upper cover and the bottom plate. The first battery cell and the second battery cell are accommodated in the accommodating cavity. The BMS board is arranged on the upper cover. The BMS board is provided with a positive terminal and a negative terminal. The positive terminal is electrically connected to the second busbar. The negative terminal is electrically connected to the first busbar. The first busbar is electrically connected to the negative electrode of the first battery cell. The second busbar is electrically connected to the positive electrode of the second battery cell. The positive electrode of the first battery cell and the negative electrode of the second battery cell are electrically connected by means of the third busbars.

Electrode Assembly, Cylindrical Battery, and Battery Pack and Vehicle Including the Same

Resumen de: US20260213366A1

2024-08-12 Disclosed is an electrode assembly, a cylindrical battery, and a battery pack and a vehicle including the same. The electrode assembly includes a first electrode, a second electrode, and a separator interposed therebetween, which are wound around one axis to define a core and an outer circumference. At least one of the first electrode and the second electrode includes an uncoated portion extending in a winding direction along a long side end thereof. The uncoated portion includes a plurality of segments separated by cut grooves formed along the winding direction and independently bendable. The plurality of segments are bent toward the core to form a bending surface area at one end of the electrode assembly. At least some of the plurality of segments include a folded end portion.

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: US20260213184A1

Disclosed is a positive electrode active material for a lithium secondary battery, a method for manufacturing the same, and a lithium secondary battery comprising the same. The positive electrode active material includes: a core comprising a lithium metal oxide; coating particles located on the core; and a diffusion coating layer located on the core, wherein the lithium metal oxide is in the form of a single particle, the diffusion coating layer is in the form of a film, and a ratio of a major axis to a minor axis of the coating particles is greater than 2.

METHOD FOR MANUFACTURING AQUEOUS SLURRY AND METHOD FOR MANUFACTURING POWDEROUS HYDROXIDE THEREFROM

Resumen de: US20260209075A1

0000 Generally, the present invention relates to metal hydroxides that can be used as precursors to cathode active materials for secondary batteries and methods of manufacture thereof. Particularly, however not exclusively, the present invention concerns methods for manufacturing an aqueous slurry comprising hydroxide or oxyhydroxide of at least one or more metal elements, methods for manufacturing powderous hydroxide or oxyhydroxide therefrom, and use of the aqueous slurry or the powderous hydroxide or oxyhydroxide for manufacturing a positive electrode active material for secondary batteries.

Thermal Management System for Battery With Automatic Hot Spot Detection to Deliver Variable Cooling Rate

Resumen de: US20260213296A1

0000 A thermal management system of a battery module includes a thermally conductive plate where one or more cells associated with the battery module are in thermal contact with a first side of the thermally conductive plate and where a coolant with ferromagnetic materials is configured to flow in thermal contact with a second side of the thermally conductive plate. One or more coils configured at predefined positions in the battery module are on the first side of the thermally conductive plate where, in an event of heating of the one or more cells, the one or more coils are configured to get electromagnetically induced upon actuation by a DC current. One or more electromagnetically-induced coils on the first side of the thermally conductive plate are adapted to attract the ferromagnetic materials of the coolant toward the second side of the thermally conductive plate.

MODULAR BATTERY OF AN ELECTRIC VEHICLE

Resumen de: US20260208594A1

0000 The invention relates to power sources for electric vehicles and may be used in the transport industry. The purpose of the present invention is to reduce the risk of damage to the electronic components of an electric vehicle during the operation of the modular battery (100,200,300,400). The purpose is achieved by the modular battery (100,200,300,400) of the electric vehicle due to the fact that the control unit (110,210,310,410) enables the execution of the traction motor inverter capacitor precharge logic.

ENERGY STORAGE SYSTEM COMPRISING A COOLING SYSTEM

Resumen de: US20260213385A1

0000 An energy storage system (100) is provided. The energy storage system comprises at least one battery stack (102) comprising at least one battery module (104). Each of the at least one battery module comprises a plurality of temperature sensors. The energy storage system further comprises a cooling system (106). The cooling system comprises a pressurized cooling medium source (110), a channel system (108) arranged to selectively provide cooling medium from the cooling medium source to each of the at least one battery module by means of a valve system, and a cooling system controller. The cooling system controller is configured to determine, based on signals received from the temperature sensors of said at least one battery module, that a battery module is in thermal runaway; and activate the valve system to selectively release a predefined amount of cooling medium into the battery module in thermal runaway.

LARGE-AREA CONTINUOUS MOF MEMBRANE, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026152577A1

Disclosed in the present invention are a large-area continuous MOF membrane, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: S1, dissolving zirconium tetrachloride and 1,3,5-tris(4-carboxyphenyl)benzene in a solvent, i.e., N,N-dimethylformamide, then adding formic acid and water thereto, sealing the resulting mixed solution, placing same in an oven, maintaining the temperature, then adding a sulfonation reagent thereto, performing refluxing for a period of time, then leaving same to stand, and then performing centrifugal washing with ultrapure water to obtain a homogeneous dispersion; S2, cleaning a substrate in ethanol and deionized water respectively for later use; S3, fixing the substrate on a blade coater, blade-coating and spreading the prepared dispersion onto the surface of the substrate, and drying same to obtain an MOF membrane; and S4, transferring the MOF membrane to a vacuum oven to further stabilize the structure thereof. In the present invention, two-dimensional MOF nanosheets can be conveniently and quickly prepared by means of a solvothermal method, and a large-area continuous MOF membrane can be prepared via rapid self-assembly by means of a blade coating method, which MOF membrane exhibits a good lithium ion selectivity and permeability under the dual regulation of a size effect and the affinity effect of sulfonic acid groups.

ELECTRODE SHEET, BATTERY CELL, BATTERY, ELECTRIC DEVICE, AND PREPARATION METHOD FOR ELECTRODE SHEET

Resumen de: US20260213216A1

0000 An electrode sheet includes: a first current collector, where the first current collector includes a first body and a tab region connected to an edge of the first body, and the first body includes a coated region and an edge region; and a first conductive layer, where the first conductive layer is disposed on a surface of the coated region; where a thickness of the electrode sheet in the edge region is less than a thickness of the electrode sheet in the coated region.

Lithium Secondary Battery

Resumen de: US20260213254A1

0000 Provided is a lithium secondary battery including a negative electrode, a positive electrode, a separator, and a non-aqueous electrolyte, wherein the negative electrode includes a negative electrode active material, the negative electrode active material includes a silicon-based active material, the silicon-based active material has an average particle diameter (D<50>) of 1 μm to 20 μm, the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, the organic solvent includes fluoroethylene carbonate and diethyl carbonate in a volume ratio of 5:95 to 25:75, and the additive includes a compound represented by a specific chemical formula described herein.

POWER STORAGE ELEMENT AND ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: US20260213273A1

0000 Provided is an electrical storage element that can increase the cycle characteristics of a secondary battery during charge and discharge. An electrical storage element 1 includes: a solid electrolyte layer 2; an electrode layer 3 provided on one principal surface of the solid electrolyte layer 2 and containing an electrode active material 5 and a solid electrolyte 6a, 6b ; and a current collector layer 4 provided on a principal surface of the electrode layer 3 opposite to the solid electrolyte layer 2 side, wherein a first electrode layer portion 3A of the electrode layer 3 disposed on the solid electrolyte layer 2 side than a middle of the electrode layer 3 in a direction of thickness of the electrode layer 3 has a larger void fraction than a second electrode layer portion 3B of the electrode layer 3 disposed on the current collector layer 4 side than the middle of the electrode layer 3 in the direction of thickness of the electrode layer 3.

METAL-SUBSTITUTED LITHIUM-DEFICIENT HALIDE-RICH SOLID ELECTROLYTES

Resumen de: US20260213257A1

0000 The present invention relates to a lithium-deficient halide-rich solid electrolyte substituted with zinc. The present inventors have surprisingly found that these zinc-substituted lithium-deficient halide-rich solid electrolytes display an increased ionic conductivity and a reduced H2S gas evolution upon contact with moisture.

Method for Manufacturing Lithium Secondary Battery

Resumen de: US20260213278A1

0000 A method for manufacturing a lithium secondary battery includes preparing a battery cell including a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode includes a lithium-rich manganese-based oxide in which a content of manganese in all metals excluding lithium is greater than 50 mol %, and a ratio of a number of moles of lithium to a number of moles of all metals excluding lithium (Li/Me) is greater than 1; and charging and discharging the battery cell at least once to activate the battery. Activating the battery includes charging the battery cell to a range from SOC 60 to SOC 100 in a constant current charging mode, and then charging the battery cell in a constant voltage charging mode. A cut-off current at the constant voltage charging mode ranges from 0.06C to 0.5C.

ANODE-FREE ELECTROCHEMICAL CELL

Resumen de: US20260213211A1

A cell, an energy storage or energy supply system including the cell, and to the use of the cell or the supply system to store or supply electricity.

COMPOSITE LITHIUM IRON PHOSPHATE MATERIAL, POSITIVE ELECTRODE USING SAME, AND LITHIUM-ION BATTERY

Resumen de: AU2024401675A1

A composite lithium iron phosphate material, a positive electrode using same, and a lithium-ion battery. Raw materials for preparing the composite lithium iron phosphate material comprise an iron phosphate precursor, a lithium source and a carbon source. The carbon source coats the iron phosphate precursor and the lithium source to form the composite lithium iron phosphate material. The carbon source comprises a synthetic polymer carbon source and a biomass carbon source; and the biomass carbon source comprises carbon fibers.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Resumen de: US20260213344A1

A separator for an electrochemical device, and an electrochemical device including the same are described. The separator for an electrochemical device includes a boron nitride-containing compound in a coating layer, thereby adsorbing transition metal ions eluted from an electrode to an electrolyte liquid, and improving heat resistance of the separator.

Electrolyte Leakage Prevention O-Ring

Resumen de: US20260213386A1

0000 An O-ring includes a first part seated on a beading portion of a battery housing, wherein the beading portion of the battery housing is recessed from an inner surface of the battery housing toward an interior of the battery housing and a second part provided above the first part and configured to cover a top end surface of the battery housing.

Electrode Assembly and Secondary Battery Comprising Same

Resumen de: US20260213277A1

An electrode assembly in which a negative electrode, a separator, and a positive electrode are sequentially stacked and wound is provided. In the core part of the electrode assembly, the negative electrode includes a negative electrode coated portion having a negative electrode current collector and a negative electrode active material layer provided on at least one surface of the negative electrode current collector, and a negative electrode uncoated portion having the negative electrode current collector provided without a negative electrode active material layer or a negative electrode tab. In a longitudinal direction, the length of the negative electrode coated portion extending from a longitudinal end portion of the positive electrode and is controlled to a specific range.

BATTERY CELL ASSEMBLY

Resumen de: US20260213387A1

0000 A battery cell assembly may include a battery cell including an electrode assembly and a first case configured to surround the electrode assembly, a second case configured to cover at least a portion of the first case, and an extinguishing agent configured to fill a space between the first case and the second case.

ALL-SOLID STATE BATTERY

Resumen de: US20260213349A1

An all-solid state battery includes a positive electrode; a negative electrode; a solid electrolyte layer between the positive electrode and the negative electrode; and a first columnar body located at a position in the same layer as that of the positive electrode or the negative electrode in a manner spaced apart from the positive electrode or the negative electrode with a void being sandwiched between the first columnar body and the positive electrode or the negative electrode.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US20260213382A1

0000 A nonaqueous electrolyte secondary battery, the negative electrode comprises a band-like negative electrode collector and negative electrode mixture layers that are formed on both surfaces of the negative electrode collector, while having a non-facing part that is wound so as not to face the positive electrode from the winding start end, with the separator being interposed therebetween; a first insulating tape is bonded to the inner winding surface of the positive electrode so as to cover the winding start end of the positive electrode; a second insulating tape is bonded to the outer winding surface of the negative electrode so as to extend across a facing part that faces the winding start end of the positive electrode; and the winding termination end of the second insulating tape is positioned closer to the winding start side than the winding termination end of the first insulating tape.

BATTERY CELL

Resumen de: US20260213348A1

The first stack (110A) includes first positive electrodes (112A) and first negative electrodes (114A) alternately stacked in a predetermined direction, and a first separator (116A) at least a part of which covers the first negative electrode (114A) located on the outermost side of the first positive electrodes (112A) and the first negative electrodes (114A) in the predetermined direction. The second stack (120A) includes second positive electrodes (122A) and second negative electrodes (124A) alternately stacked in a predetermined direction, and a second separator (126A) at least a part of which covers the second negative electrode (124A) located on the outermost side of the second positive electrodes (122A) and the second negative electrodes (124A) in the predetermined direction. The interposed positive electrode (130A) is located between the first separator (116A) on the outermost side of the first stack (110A) and the second separator (126A) on the outermost side of the second stack (120A).

Secondary Battery Module

Resumen de: US20260213330A1

A secondary battery module includes a plurality of secondary batteries, a module case, a sensing circuit board, a first plate, and a first wire connection part. The plurality of secondary batteries include a first electrode lead disposed at one side thereof. The module case accommodates the plurality of secondary batteries and the first electrode lead passes therethrough via a plurality of slit holes defined in one surface thereof. The sensing circuit board is mounted on the module case and on which a first land part plated with an electrically conductive metal is disposed on a surface thereof. The first plate is bonded to the first land part and the first wire connection part connects the first plate to the first electrode lead through a wire.

SECONDARY CELL

Resumen de: US20260213313A1

0000 A cylindrical secondary cell (10) comprising a cylindrical enclosure (11) having a lid (1), an electrode roll (20) arranged in the cylindrical enclosure (11), a current collector disc (15) to be arranged in direct electrical contact with the electrode roll (20), wherein the lid (1) or the current collector disc (15) comprises a number of recessed contact portions (2), the area of the recessed contact portions (2) being 50 to 80 percent of the total area of the lid (1), and wherein the current collector disc (15) is configured to be attached to the lid (1).

Electrical Connection Assembly and Battery Pack Signal Acquisition Device

Resumen de: US20260213356A1

0000 An electrical connection assembly and a battery pack signal acquisition device. The battery pack signal acquisition device has: a signal transmission bus; and an electrical connection assembly for electrically connecting a battery cell to the signal transmission bus to collect an electrical parameter of the battery cell. The electrical connection assembly and the signal transmission bus are respectively formed and electrically connected with each other. In the present invention, the electrical connection assembly can be replaced separately without replacing the signal transmission bus, which improves the convenience of use and reduces the later maintenance cost.

BINDER COMPOSITION FOR SECONDARY BATTERY

Resumen de: US20260208476A1

0000 Provides an aqueous binder composition for a secondary battery electrode, comprising a copolymer and a dispersion medium, wherein the copolymer comprises a structural unit (a), a structural unit (b), and a structural unit (c). The binder composition disclosed herein has improved binding capability. In addition, battery cells comprising electrodes prepared using the binder composition disclosed herein exhibits exceptional electrochemical performance.

Battery Pack

Resumen de: US20260213291A1

0000 Provided are a battery pack, and more particularly, a battery pack in which a CMU (cell monitoring unit) may be easily and conveniently mounted by providing a CMU mounting part, on which the CMU may be mounted, on an end plate constituting a module case, and a battery pack capable of simplifying the entire manufacturing process of the battery pack and increasing space utilization inside the battery pack by applying the battery pack to the battery pack.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

Resumen de: US20260213188A1

0000 A lithium secondary battery includes a cathode including a cathode active material including a lithium-transition metal composite oxide particle having a crystal grain size of greater than 500 nm measured through X-ray diffraction (XRD) analysis, and an anode disposed to face the cathode. The present invention provides a lithium secondary battery having improved life-span characteristics while suppressing gas generation due to crack of the particles by controlling the crystal grain size of the lithium-transition metal composite oxide particles.

METHOD FOR PRODUCING HALIDE SOLID ELECTROLYTE, HALIDE SOLID ELECTROLYTE, POSITIVE ELECTRODE MATERIAL, AND BATTERY

Resumen de: US20260213260A1

0000 A production method for a halide solid electrolyte of the present disclosure includes: (A) converting a first composition containing Li, Ti, and O into a first halide containing Li, Ti, and X1; and (B) synthesizing a halide solid electrolyte containing Li, Ti, M, X1, and X2 using the first halide obtained in the (A) and a second halide containing Li, M, and X2. The M is at least one element selected from the group consisting of metal elements (excluding Li) and metalloid elements, the X1 is at least one selected from the group consisting of F, Cl, Br, and I, and the X2 is at least one selected from the group consisting of F, Cl, Br, and I.

SOLID ELECTROLYTE, METHODS FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: US20260213258A1

0000 The present invention relates to a solid electrolyte, a method for manufacturing the same, and a lithium secondary battery comprising the same. 0000 The sulfide-based solid electrolyte according to the present invention is represented by Chemical Formula 1 below. 0000 0000 In Chemical Formula 1, A is a group IIIA element (boron group element), X is a halogen element, and 0

ELECTRODE ASSEMBLY, CYLINDRICAL BATTERY CELL, AND BATTERY PACK COMPRISING THE SAME

Resumen de: US20260213220A1

An electrode assembly includes a first electrode plate, a second electrode plate and a separator between the first electrode plate and the second electrode plate. Each of the first electrode plate, the second electrode plate and the separator has a strip shape having an aspect ratio of more than 1, and the first electrode plate, the second electrode plate and the separator are stacked such that each a length direction of each of the first electrode plate, the second electrode plate, and the separator are parallel to each other. A first side of the separator protrudes beyond a second side of the first electrode plate and is disposed on an electrode active material portion of the second electrode plate, and a second side of the separator protrudes beyond a second side of the second electrode plate and is disposed on an uncoated portion of the first electrode plate.

HEAT EXCHANGER AND METHOD THEREFOR

Resumen de: US20260213298A1

0000 A heat exchanger (10) for a battery housing comprising a first panel (12), a second panel (14), and a plurality of cooling fluid circulation channels (16) therebetween. The first panel has an exterior surface (18) and a channel surface (20) opposite the exterior surface. The second panel has a cooling surface (22) and an abutment surface (24) opposite the cooling surface, and is welded to the first panel via a network of channel seams. The plurality of cooling fluid circulation channels are defined by the channel surface and the abutment surface. Each of the plurality of cooling fluid circulation channels are disposed between a first and a second channel seam (26a,26b ) and define a central flow cavity (28) that narrows into a first and a second crevice (30a,30b ). Each of the first and the second crevice has a length (L) and a width (W), and L<2>/W that is less than 250.

Battery Gas Generation Amount Prediction Apparatus and Operating Method Thereof

Resumen de: US20260212092A1

A gas generation amount prediction apparatus includes an obtaining unit configured to obtain measurement data regarding a voltage, a current, and a temperature of a battery, a calculating unit configured to calculate a cathode side reaction (CSR) and an anode side reaction (ASR), based on the measurement data, and a predicting unit configured to predict a gas generation amount of the battery, based on the CSR and the ASR.

POSITIVE ELECTRODE ACTIVE MATERIAL LAYER, POSITIVE ELECTRODE, AND ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: US20260213165A1

A positive electrode active material layer contains a positive electrode active material and a solid electrolyte, where the positive electrode active material contains a particle having a core-shell structure that has a core part and a shell part covering at least a part of a surface of the core part, the core part consists of a lithium transition metal oxide, the shell part consists of a compound containing oxygen and at least one halogen element selected from the group consisting of F, Cl, Br, and I, and the solid electrolyte includes a halide-based solid electrolyte.

CARBON NANOTUBE DISPERSION COMPOSITION, COMPOSITE MATERIAL SLURRY, ELECTRODE FILM, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US20260213205A1

Provided are a carbon nanotube dispersion composition and a non-aqueous electrolyte secondary battery by using an electrode composite material slurry and an electrode film using the composition. The carbon nanotube dispersion composition contains containing carbon nanotubes having an average outer diameter of 3 nm or less, a polymer component, and a solvent, in which the polymer component contains a polyvinylidene fluoride resin, which may have a substituent as a main component, and the carbon nanotube dispersion composition has a particle diameter D90 at 90% volume accumulation in the particle size distribution measured by laser diffraction method of 2.0 μm or more and less than 20.0 μm, and a pH of 7.5 or higher.

SECONDARY BATTERY AND ELECTRIC APPARATUS

Resumen de: US20260213267A1

0000 A secondary battery and an electric apparatus are provided. The secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte disposed between the positive electrode plate and the negative electrode plate. The electrolyte includes LiFSI with a mass percentage of a. The positive electrode plate includes a positive electrode active material having a Dv99 particle size of y1 μm, where y1 ranges from 5 to 15. The secondary battery satisfies the relationship 100≤y1/a≤10000. By controlling the relationship between the particle size Dv99 of the positive electrode active material and the LiFSI content in the electrolyte, the secondary battery exhibits improved temperature rise performance during fast charging while maintaining battery service life.

BATTERY PRESSURIZING DEVICE AND BATTERY PRODUCTION SYSTEM

Resumen de: US20260213251A1

A battery pressurizing device and a battery production system. The battery pressurizing device comprises a bearing mechanism and pressurizing assemblies. Each pressurizing assembly comprises a pressurizing plate and a plurality of pressurizing units; the pressurizing plate is movably arranged on the bearing mechanism in a first direction; each pressurizing unit comprises an adjustment portion and a pressurizing portion; the adjustment portion is connected to the pressurizing plate and the pressurizing portion; the end of the pressurizing portion in the first direction is provided with an outer end surface, and the outer end surface is used for abutting against a battery cell; and the adjustment portion is used for switching the position of the outer end surface in the first direction.

BATTERY STACK METHOD AND SYSTEM

Resumen de: US20260213248A1

A battery stack method and system. The battery stack system at least includes a controller, a base support, and a stacking table and a grabbing apparatus that are disposed on the base support. The battery stack method includes: in response to that a tray on the stacking table is in place, determining battery cell information stored in the tray; determining battery cell information of a target battery cell on a battery cell conveying line; and in the case that the battery cell information stored in the tray matches the battery cell information of the target battery cell, controlling the grabbing apparatus to grab the target battery cell and place the target battery cell in the tray.

CONVEYING APPARATUS AND WINDING DEVICE

Resumen de: US20260208992A1

A conveying apparatus configured to convey multiple electrode sheets formed by segmentation includes multiple conveying roller groups and an offset mechanism. The conveying roller group includes at least one conveying roller, each conveying roller being configured to convey one electrode sheet. The offset mechanism is configured to connect with at least one electrode sheet, and along a width direction of the electrode sheet, the offset mechanism is configured to offset two adjacent electrode sheets from each other.

Battery Pack and Vehicle System

Resumen de: US20260208592A1

0000 The present disclosure relates to a battery pack and a vehicle system, and the battery pack includes a voltage sensor including a first resistor and a second resistor connected in series between a power supply supplying a certain voltage and a ground terminal, a case surrounding the first resistor and the second resistor, and a variable resistor connected in parallel between a first end and a second end of the second resistor and located outside the case, and a coolant leakage sensor configured to diagnose a leakage of a coolant when a voltage detected at a contact point of the first resistor and the second resistor falls within a reference range calculated based on a conductivity of the coolant.

Battery Cell, Battery Pack and Vehicle Comprising the Same

Resumen de: US20260213309A1

0000 A battery cell including an electrode assembly and a battery housing accommodating the electrode assembly through an open portion at a side, where at least part of an inside surface of the battery housing is coated by a heat resistant coating. The heat resistant coating may cover a beading portion recessed inward from the side. The heat resistant coating may include resin and ceramic particles.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US20260213336A1

0000 The present application provides a battery cell, a battery, and an electric device. The battery cell includes a housing, a pressure relief mechanism, and a protective member. The housing includes a wall portion. The pressure relief mechanism is provided at the wall portion, and can be actuated to release gas within the housing in a case where an internal pressure or temperature of the battery cell reaches a threshold value. The protective member has a melting point greater than or equal to 300°C, and the protective member covers at least part of the pressure relief mechanism in a thickness direction of the wall portion.

TRICOBALT TETRAOXIDE AND PREPARATION METHOD THEREFOR, LITHIUM COBALT OXIDE, CATHODE SHEET AND BATTERY

Resumen de: US20260209070A1

For a tricobalt tetraoxide, a Dv50, a grain size D(111) of crystal plane (111), and a BET specific surface area of the tricobalt tetraoxide satisfy the following relationship:3.33g-1≤BET×10-1⁢2Dv⁢50×D⁡(1⁢1⁢1)×lg⁡(Dv⁢50)3≤6.9g-1,wherein the Dv50 of the tricobalt tetraoxide is 3 μm-20 μm. The tricobalt tetraoxide is obtained by pre-sintering and calcining cobalt carbonate with a crystallinity of 30%-80% and a median particle size Dv50 of 3 μm-22 μm.

ALL-SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING SAME

Resumen de: US20260213274A1

0000 The all-solid-state battery includes an electrode body formed by stacking a positive electrode and a negative electrode with a solid electrolyte layer interposed therebetween. The solid electrolyte layer is a stack of: a solid electrolyte layer (I) including a porous substrate and having a portion protruding from an end portion of the positive electrode and the negative electrode in a plan view; a solid electrolyte layer (II) bonded to the positive electrode and having a smaller area than that of the solid electrolyte layer (I) in a plan view; and a solid electrolyte layer (III) bonded to the negative electrode and having a smaller area than that of the solid electrolyte layer (I) in a plan view. At least one of (II) and (III) is different from (I).

WIRING MODULE

Resumen de: US20260213502A1

A main line accommodating portion for accommodating a main line integrally configured by bundling the plurality of voltage detection lines and a fixing portion for fixing the main line to the protector are provided inside the protector. The main line includes a straight portion extending in a first direction and an extra length portion formed by contracting a part of the straight portion in the first direction. The main line accommodating portion includes a straight routing region for routing the straight portion, a lead-out opening for leading out the main line from inside of the protector and an extra length routing region for routing the extra length portion by being disposed between the lead-out opening and the fixing portion.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: US20260213250A1

0000 A nonaqueous electrolyte secondary battery, the negative electrode comprises a band-like negative electrode collector and negative electrode mixture layers that are formed on both surfaces of the negative electrode collector, while having a non-facing part that is wound so as not to face the positive electrode from the winding start end, with the separator being interposed therebetween; the positive electrode comprises a band-like positive electrode collector and positive electrode mixture layers that are formed on both surfaces of the positive electrode collector; a positive electrode exposure part, in which the positive electrode collector is exposed, is formed on the inner winding side of a winding start end part of the positive electrode; and a first insulating tape is bonded to the inner winding side of the positive electrode so as to extend across the winding start ends of the positive electrode mixture layers.

SECONDARY CELL

Resumen de: US20260213367A1

A cylindrical secondary cell (10), comprising a cylindrical enclosure (11) having a sidewall (10c) and at least one open end (10b), an electrode roll (20) arranged in the cylindrical enclosure (11), a lid (1) closing the open end (10b) of the cylindrical enclosure (11), the lid (1) being welded to the cylindrical enclosure (11) at a first location (23), and a current collector disc (15) arranged between the electrode roll (20) and the lid (1) and in direct electrical contact with the electrode roll (20), the current collector disc (15) being welded to the cylindrical enclosure (11) at a second location (24) separate to the first location (23).

CYLINDRICAL BATTERY

Resumen de: US20260213384A1

0000 A cylindrical battery that is one example of an embodiment comprises: an electrode body that includes a positive electrode lead and a negative electrode lead; and a bottomed cylindrical outer can that accommodates the electrode body. The cylindrical battery has a structure in which a portion where the negative electrode lead is welded to the can bottom inner surface of the outer can is formed at a section of the negative electrode lead separate from the leading end thereof. The cylindrical battery that is one example of an embodiment further comprises an insulation tape that is affixed to at least the upper surface of the leading end portion of the negative electrode lead facing toward the electrode body.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY, SLURRY FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, NON-AQUEOUS SECONDARY BATTERY ELECTRODE, AND NON-AQUEOUS SECONDARY BATTERY

Resumen de: US20260213201A1

0000 This binder composition for a non-aqueous secondary battery contains a copolymer and a tackifier, the copolymer has a first structural unit derived from a monomer (a1) and a second structural unit derived from a monomer (a2), the monomer (a1) is a nonionic compound having only one ethylenically unsaturated bond, and the monomer (a2) is a compound having a carboxyl group and having only one ethylenically unsaturated bond.

BATTERY, ELECTRONIC DEVICE, AND POLARITY LEAD-OUT METHOD

Resumen de: US20260213282A1

0000 A battery includes a housing and an electrode assembly accommodated in the housing, an inner surface of the housing is provided with a first welding zone, the first welding zone is configured to be welded to the electrode assembly, in secondary ion mass spectrometry testing, the first welding zone (132) includes a negative ion organic peak 118, an ion count ratio of the negative ion organic peak 118 is A1%, and A1≤0.5. The housing may be welded to the electrode assembly through the first welding zone to lead out a positive electrode or a negative electrode of the electrode assembly. an impurity content thereof is significantly reduced, thereby reducing the risk of electrolyte leakage of the battery (100) to improve the safety performance of the battery (100).

ELECTRODE AND LITHIUM-ION SECONDARY BATTERY

Resumen de: US20260213198A1

0000 Provided is an electrode for lithium-ion secondary battery, the electrode comprising an active material layer comprising a particulate active material, the active material comprising an organic sulfur compound and an iron compound, wherein A, A, and M satisfy the following inequality (1) A×A×M>1600, where Arepresents a sulfur element content, in % by mass, in the active material, Arepresents an iron element content, in % by mass, in the active material, and M represents a median diameter, in μm, of the active material. It is an object of the present invention to improve an overall performance of charge and discharge capacity and a capacity retention rate of a lithium-ion secondary battery.