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1357
resultados
Última actualización
13/04/2026 [10:49:00]
Resumen de: FR3167213A1
Méthode (100) pour détecter une défaillance d’une batterie Lithium-Ion. La méthode comporte, pour au moins une phase de relaxation de la batterie, et pour chaque cellule de la batterie : une collecte (110) de plusieurs mesures de tension de la cellule,une formation (120) d'un signal de relaxation sous la forme d’un logarithme d'une valeur normalisée de la tension de la cellule,une décomposition (130) en modes empiriques (EMD) du signal de relaxation en composantes intrinsèques. La méthode (100) comporte également : une détermination (150) d'une valeur d'incidence représentative d’un état de santé de la batterie à partir des composantes intrinsèques obtenues pour les différentes cellules, une évaluation (160) d’un critère de détection d’une défaillance de la batterie en fonction de la valeur d’incidence. Figure pour l’abrégé : Fig. 2
Resumen de: FR3167250A1
Procédé de préchauffage d’une batterie haute tension d’un véhicule et véhicule correspondant L’invention concerne un procédé de préchauffage d’une batterie haute tension d’un véhicule (200) électrique ou hybride, utilisant un système de gestion thermique (1) apte à fonctionner en mode pompe à chaleur, le procédé de préchauffage comportant des étapes de :- réception d’un instant de démarrage (td) du véhicule (200) et d’une température initiale (Tbatt_init) de la batterie haute tension,- estimation d’une énergie thermique (Eth) à transmettre à la batterie haute tension pour que celle-ci atteigne une température cible (Tcible), - détermination d’un instant d’activation (tact) du système de gestion thermique (1) et de ses paramètres (Rpm_30, ω, P22) de fonctionnement, et- préchauffage de la batterie haute tension à partir de l’instant d’activation (tact), en utilisant les paramètres (Rpm_30, ω, P22) de fonctionnement,l’instant d’activation (tact) étant déterminé de sorte à minimiser une consommation électrique du système de gestion thermique (1) sur la durée de préchauffage. (Figure 3)
Resumen de: FR3167059A1
DISPOSITIF D'EXTINCTION D'INCENDIE POUR VÉHICULE ÉLECTRIQUE L’invention concerne un dispositif d'extinction d'incendie pour véhicule électrique (100) comprenant un canal de cavité structural (22) formé dans un compartiment de batterie du véhicule électrique, et un connecteur (30) qui prolonge le canal jusqu'à une surface de carrosserie du véhicule (21). Dans un exemple, le connecteur est relié à un connecteur correspondant (40), une conduite, un panneau de commande (60) et une unité d'alimentation externe en agent extincteur (70) à l'extérieur du véhicule. Un détecteur envoie un signal au panneau de commande en cas de détection d'un incendie, et une vanne de conduite d'agent extincteur s’ouvre automatiquement pour libérer un agent à l'intérieur. Dans un autre exemple, le connecteur est relié à un connecteur correspondant, une conduite et une unité d'alimentation externe de source d’eau d'extinction d'incendie à l'extérieur du véhicule, et une conduite de source d'eau d'extinction d'incendie est ouverte manuellement. Figure à publier avec l'abrégé : Fig. 1
Resumen de: FR3167261A1
L’invention concerne un procédé pour la protection d’un circuit électrique (10) de véhicule électrique ou hybride comprenant une liaison électrique vissée (51, 52, 53, 54), une batterie (20) comprenant un module (21, 22) et un interrupteur (30), la liaison électrique vissée comprenant une sonde de température (41, 42, 43, 44), le procédé comprenant les étapes suivantes : - deux étapes de mesure de valeur de température de la liaison électrique vissée ;- une étape de calcul d’une valeur de gradient temporel de température de la liaison électrique vissée ;- une étape d’ouverture de l’interrupteur lorsque la valeur de gradient temporel de température calculée est supérieure à une valeur de seuil de gradient temporel de température de la liaison électrique vissée. Figure 1
Resumen de: FR3167214A1
Méthode (100) pour estimer un état de santé d’une batterie Lithium-Ion. La méthode comporte, pour au moins une phase de relaxation de la batterie, et pour chaque cellule de la batterie : une collecte (110) de plusieurs mesures de tension de la cellule,une formation (120) d'un signal de relaxation sous la forme d’un logarithme d'une valeur normalisée de la tension de la cellule,une décomposition (130) en modes empiriques (EMD) du signal de relaxation en composantes intrinsèques. La méthode (100) comporte également : un calcul (150) d'une variance d'énergies des cellules à partir des composantes intrinsèques obtenues pour les différentes cellules, une détermination (160) d'un état de santé courant de la batterie (20) en fonction de la variance des énergies des cellules pour la phase de relaxation considérée. Figure pour l’abrégé : Fig. 2
Resumen de: US20260100362A1
A positive electrode active material for a non-aqueous electrolyte secondary battery according to one embodiment comprises a lithium transition metal composite oxide represented by the compositional formula LiαNaβNi1-b-cMnbXcOd (where X is at least one element selected from metallic elements other than Li, Na, Ni, and Mn, 0.80≤α≤1.20, 0≤β≤0.05, 0.80≤α+β≤1.20, 0.25
Resumen de: US20260097919A1
0000 The invention relates to a device and a method for joining webs of material for the production of energy cells, wherein a running-out web of material can be joined to a new web of material. The running-out web of material and the new web of material are guidable at a distance from each other in a joining section, wherein two pivotable or rotatable pressure elements are provided with pressure surfaces which are adapted to press the running-out and the new web of material against each other in the joining section and to join the running-out web of material and the new web of material to each other. The pressure elements are adapted to join the webs of material during the movement in the conveying direction of the running-out and the new web of material. The device is adapted to produce a weakened line in the running-out and in the new webs of material and to separate the webs of material in each case by applying increased tensile stress in the webs of material at the weakened lines, preferably the perforation lines.
Resumen de: US20260098902A1
0000 The technology of the present invention generally relates to the field of battery technology, and more particularly relates to a cell fixture assembly for testing of a single electrochemical cell or a number of electrochemical cells stacked on top of each other, wherein the cell fixture assembly comprises at least one cell fixture and a base station; wherein the cell fixture comprises: at least one fixed base plate; at least two moveable plates arranged parallel to the base plate; whereby the moveable plates have oppositely arranged surfaces for contacting the electrochemical cell mounted between them; whereby the fixed and moveable plates comprise a plurality of apertures that are at least partially aligned to create a plurality of vertical channels that extend through said plates; a pressure sensor means, disposed between the base plate and at least one of the moveable plates, comprising a sensor member arranged to support said moveable plate, and configured for measuring a pressure applied to the electrochemical cells; a plurality of rotatable rods, insertable in the plurality of vertical channels, that are configured to rotatably couple with at least one of the moveable plates; whereby a rotation of the plurality of rotatable rods causes one of the moveable plates to move relative to the other moveable plate, thereby clamping or releasing the electrochemical cell mounted between them; and, a plurality of coupling members in connection with the plurality of rotatab
Resumen de: US20260100378A1
In a non-aqueous electrolyte secondary battery according to the present disclosure, a positive electrode comprises a lithium-containing composite oxide, and a sulfonic acid compound, and a negative electrode mixture layer of a negative electrode includes first graphite particles having an internal porosity of at most 5% and second graphite particles having an internal porosity of 8% to 20%. A thickness T1 of a first negative electrode mixture layer and a thickness T2 of a second negative electrode mixture layer satisfy 0.1≤TI/(T1+T2)≤0.9, and a ratio CI of the first graphite particles to the total mass in the first negative electrode mixture layer, and a ratio C2 of the first graphite particles to the total mass in the second negative electrode mixture layer satisfy C1
Resumen de: US20260098761A1
0000 There are provided a bus bar temperature sensor capable of measuring a temperature of a bus bar with high accuracy by reliably bringing a heat receiving surface into tight contact, and a bus bar module and a method of manufacturing the same. The bus bar temperature sensor according to the present invention is a temperature sensor used by being attached to a bus bar, including: a heat-sensitive element; and a case portion in which the heat-sensitive element is housed, wherein the bus bar includes a through hole, the case portion includes a case body and a protrusion portion formed protruding from the case body and insertable into the through hole, and the heat-sensitive element is housed in the protrusion portion.
Resumen de: US20260098161A1
0000 Disclosed is a shear stable latex comprising functionalized fluoropolymer, a particle size modifier and a surfactant; said latex having solids content of at least 15 wt %, where the ratio of particle size modifier to surfactant is equal to or greater than 2 on a molar to molar basis.
Resumen de: US20260100367A1
Rapid charging and high energy density are valuable battery attributes. However, high performance batteries with both of these attributes can be difficult to achieve. Conventional high performance batteries rely on metal-based electrodes including materials that can be difficult to source. Batteries with high capacity, even during rapid charge-discharge cycling, are herein provided. According to some embodiments, a battery provided herein includes an organic electrode and an organic, non-aqueous solvent system. Constituents of the organic electrode may be additionally advantaged by the comparative case with which they may be sourced.
Resumen de: US20260100442A1
0000 A box body comprises an end plate, a face plate, and a medium flow channel, and the face plate is connected to one end of the end plate. The medium flow channel is used to accommodate a heat exchange medium. The medium flow channel is at least partially located on the end plate. The medium flow channel is provided with a medium inlet and a medium outlet, and the medium inlet and/or the medium outlet is arranged on the face plate. The box body is provided with the medium flow channel, and the medium flow channel is used for the heat exchange medium to pass through to carry out thermal management on a device in the box body.
Resumen de: US20260100395A1
0000 An inspection device comprises a layer conveyor which has a pickup and a drive in order to pick up a respective individual anode or cathode layer from a transfer location and bring it to a delivery location. A stacking table picks up the anode or cathode layer from the pickup at the delivery location to form a layer stack. The layer conveyor delivers an anode or cathode layer from its pickup to the stacking table at the delivery location. An image sensor is directed towards an area encompassing an upper edge of the layer stack located on the stacking table, which comprises a connection tab of the anode or cathode layer located at the top of the layer stack and performs an image feed before or after the anode or cathode layer is deposited on the stacking table.
Resumen de: US20260097874A1
The present disclosure provides a packaging device and a packaging method. The packaging device includes a conveying mechanism, a packaging mechanism and a guide mechanism. The conveying mechanism is configured to convey a battery in a first direction; the packaging mechanism comprises a driving assembly, two supports arranged at an interval and two pressing members arranged in parallel, and the supports are connected to the driving assembly; and the packaging mechanism is mounted on the guide mechanism.
Resumen de: US20260100402A1
0000 An apparatus (100) for making coils, preferably for electrochemical cells intended for battery production, comprises a feed unit (2) configured to feed at least a first strip-shaped article (N1) intended to form a first coil (B1) and a second strip-shaped article (N2) intended to form a second coil (B2), a winding unit (1) comprising a plurality of winding heads (10) including at least a first winding head (11) configured to wind the first strip-shaped article (N1) and a second winding head (12) configured to wind the second strip-shaped article (N2) and at least one movement device (3) of said winding heads (10) configured to move said first winding head (11) and said second winding head (12). Said first winding head (11) and said second winding head (12) define respective winding axes (X1, X2) substantially parallel to each other. Said winding unit (1) is configured so as to define a separation plane (P), said separation plane (P) being substantially perpendicular to said winding axes (X1, X2) and being positioned so that said first strip-shaped article (N1) and said second strip-shaped article (N2) are located one on one side and the other on the opposite side of said separation plane (P) at least at said first winding head (11) and said second winding head (12).
Resumen de: US20260100411A1
A sodium deficient solid electrolyte (SE) exhibits increased ionic conductivity relative to a non-sodium deficient stoichiometric composition through ball milling a mixture of NaCl, YCl3, and ZrCl4 precursor powders with lower molar percentages of NaCl resulting in a composition with reduced or no-crystallinity and an increased concentration of Na vacancies.
Resumen de: US20260100369A1
0000 Composite particles are provided, including: a copolymer, and a tackifier, in which 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 carboxy group and only one ethylenically unsaturated bond.
Resumen de: US20260097960A1
0000 The present invention relates to a new synthetic pathway for manufacturing bis(halogeno sulfonyl)imide, which are useful intermediates in the synthesis of lithium bis(fluorosulfonyl)imide (LiFSI).
Resumen de: US20260100366A1
0000 The preparation method for a silicon-carbon anode material based on organosilicon-derived waste silicon powder includes: performing rapid annealing treatment on organosilicon-derived waste silicon powder, and mixing the rapidly annealed waste silicon powder with an acid solution for acid leaching to obtain modified waste silicon powder; performing mechanical grinding on the modified waste silicon powder to obtain a modified waste silicon powder abrasive; mixing the modified waste silicon powder abrasive with an organic carbon source and a solvent to obtain a precursor solution, and performing spray granulation on the precursor solution to obtain silicon-carbon microspheres; and introducing a carbon-deposition precursor source, and performing carbon deposition on the silicon-carbon microspheres to obtain a silicon-carbon anode material.
Resumen de: US20260100404A1
0000 A bipolar electrode includes a first active material layer, a first current collector, an intermediate conductor, a second current collector, and a second active material layer that are stacked in order in a stacking direction, wherein the first active material layer is provided on a first surface of the first current collector, the second active material layer is provided on a second main surface of the second current collector, a second surface of the first current collector is bonded to a front surface of the intermediate conductor, a first main surface of the second current collector is bonded to a back surface of the intermediate conductor, the second active material layer is located inside the first active material layer when viewed from the stacking direction, and in a length direction, a length of the intermediate conductor is longer than lengths of the first current collector and the second current collector.
Resumen de: US20260100483A1
0000 A cell includes an electrode assembly and an electrode terminal. The electrode assembly includes a top and a bottom. The electrode terminal is configured to connect to the top. The electrode assembly is formed by winding or stacking, and the electrode assembly includes N layers of separators, N being a natural number greater than or equal to 3. Each layer of separator includes a first extension portion extending out of the bottom along the first direction. The N layers of first extension portions are arranged along a second direction. Along the second direction, the first extension portion of the first layer to the first extension portion of the (N−1)-th layer are bent, with adjacent ones of the first extension portions connected. The separator includes a second extension portion extending out of the top. The second extension portion is configured to connect to the electrode terminal.
Resumen de: US20260100382A1
The present invention relates to a composite current collector and its preparation method, electrodes, and batteries. The composite current collector includes an insulating substrate, a first metal layer set on both surfaces of the thickness direction of the insulating substrate, and a second metal layer set on the surface away from the insulating substrate on the first metal layer. Multiple colloidal particles are attached to the surface of the first metal layer away from the insulating substrate, with the colloidal particles evenly distributed. The second metal layer is set on the first metal layer, and the second metal layer encapsulates the evenly distributed colloidal particles. By setting the composite current collector with specific structures of the colloidal particles, it overcomes the issues of low electrode peel strength and capacity drop in long cycle batteries, significantly enhancing the stability of long cycle battery electrodes.
Resumen de: US20260100383A1
0000 The present disclosure provides as an electrode 1, comprising a 3D composite current collector 2 having an electrically conductive substrate current collector 3 with a plurality of laterally distributed electrically conductive upstanding scaffolding elements 4 that comprise carbon-based protrusions 6 covered by a passivation layer 10 for shielding the pillar from a direct contact with an electrode or electrolyte material, whereby said passivation layer (10) is comprised of a first composition (10c ) allowing electron transport to the substrate and resistive to transport of lithium across the passivation layer. 0000 In a preferred embodiment the electrode is coated with a stack of functional battery layers including one or more of a seed layer 20, an anode metal layer 30, and an anode passivation layer 40. 0000 The present disclosure further relates to a manufacturing method and an energy storage device comprising the electrode.
Nº publicación: US20260100469A1 09/04/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
Resumen de: US20260100469A1
A cell stack assembly and a battery pack includes the same, the cell stack assembly including a cell stack having a plurality of battery cells stacked with electrode leads derived from one or both sides; and a separating member configured to contact a first side surface of at least one battery cell of the cell stack. The separating member including a hollow part therein and a protrusion part on each of both side surfaces.
BOPI
Sede Electrónica
