Alerta

PRISMATIC TYPE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Resumen de: EP4708466A1

A prismatic type secondary battery includes an electrode assembly including an electrode tab, a pouch that accommodates the electrode assembly and includes a joint portion formed open at a location corresponding to the electrode tab, a prismatic can having one side open to accommodate the pouch, and a cap assembly including a metal current collector and inserted into the open side of the prismatic can, and in this case, the pouch includes the joint portion joined to the cap assembly while the electrode tab is connected to the metal current collector, and the prismatic type secondary battery improves the efficiency of an electrolyte injection process through a sealing structure in which a pouch accommodating an electrode assembly is inserted into a prismatic can and a joint portion of the pouch is joined to a cap assembly.

POLE, COVER PLATE ASSEMBLY AND BATTERY CELL

Resumen de: EP4708475A2

A pole for a battery cell, a corresponding cover plate assembly, and a battery cell, relating to the field of battery technology. The pole includes a first metal part and a second metal part; where the first metal part has a first concave part, and a first convex part is disposed on an inner wall of the first concave part; the second metal part includes a main body and a second convex part connected to each other, where a second concave part is disposed on an outer peripheral surface of the second convex part, the second convex part is embedded into the first concave part, and the first convex part is embedded into the second concave part; a side of the second concave part away from a bottom wall of the first concave part is represented as a first surface, and a gap is only disposed between the first convex part and the first surface.

ELECTRODE OUTPUT COMPONENT, COVER PLATE ASSEMBLY, AND BATTERY CELL

Resumen de: EP4708476A2

The present disclosure provides an electrode output component (001) for a battery cell, a cover plate assembly (002), and a battery cell, relating to the field of batteries technologies. The electrode output component (001) includes a pole (011) and a terminal (012). An outer peripheral surface of the pole (011) is provided with an abutting portion (111). The terminal (012) includes a first through hole (121). The first through hole (121) is sleeved on one end of the pole (011) and abuts against the abutting portion (111) along an axial direction of the pole (011). A contact portion (013) between the pole (011) and the terminal (012) forms a structure engaged with each other.

ELECTRIC VEHICLE

Resumen de: EP4707050A1

Embodiments of this application provide an electric vehicle.The electric vehicle (12) includes a power battery (411), a heat exchanger (420), a coolant storage tank (430), an in-vehicle pipeline (M), a coolant injection channel (441), and a coolant discharge channel (442). The power battery (411) includes a liquid cooling runner (412). The in-vehicle pipeline (M) is configured to connect one of an in-vehicle cooling loop, an off-vehicle cooling loop, and an off-vehicle coolant supplement channel. The in-vehicle cooling loop is configured to: deliver coolant flowing out of a liquid cooling runner (412) to the heat exchanger (420), and deliver coolant flowing out of the heat exchanger (420) to the liquid cooling runner (412). The off-vehicle cooling loop is configured to: deliver, through the coolant injection channel (441), coolant provided by an off-vehicle liquid cooling device (520) to the liquid cooling runner (412), and deliver, through the coolant discharge channel (442), coolant flowing out of the liquid cooling runner (412) to the off-vehicle liquid cooling device (520), so that the off-vehicle liquid cooling device (520) dissipates heat for the power battery (411). The off-vehicle coolant supplement channel is configured to deliver, through the coolant injection channel (441), coolant provided by the off-vehicle liquid cooling device (520) to the coolant storage tank (430), to implement coolant supplement for the coolant storage tank (430) by the off-vehicle liquid co

BATTERY SYSTEMS HAVING PRESSURE SENSING BATTERY MANAGEMENT SYSTEM AND BATTERY CELLS FOR PREVENTING BATTERY FIRES, AND APPLICATIONS THEREOF

Resumen de: EP4708471A1

Sensors and circuits for batteries are provided that prevent battery fires. The sensors and circuits are part of a battery management system that detects battery cell swelling and changes in the internal pressure of battery cells and removes the battery cells from service before they vent and catch on fire or explode. The sensors and circuits continually monitor every battery cell for swelling/increases in internal pressure that are indicative of the formation of flammable and explosive gases within the battery cells, and a battery management system that includes one or more of the sensors and circuits removes battery cells with issues from service before they vent and catch on fire or explode.

ASSEMBLY MANUFACTURING EQUIPMENT AND METHOD FOR ELECTRODE ASSEMBLY

Resumen de: EP4708541A2

An electrode assembly manufacturing apparatus includes a stack table, a separator supply unit, first and second electrode supply units, and a side sealing device. A stack of a first electrode, a second electrode, and a separator between the first and the second electrode are stackable on the stack table. The separator supply unit is configured for supplying the separator to the stack table. The first electrode supply unit is configured for stacking the first electrode on a section of the separator on the stack table. The second electrode supply unit stacks the second electrode on a further section of the separator on the first electrode. A side sealing device heats at least one side surface of the stack.

SHREDDER APPARATUS

Resumen de: EP4706374A2

The present invention discloses a shredding device. The shredding device according to one or more embodiments of the present invention comprises: a shredding body for shredding materials; a frame for supporting the shredding body; and a power supply device that provides electric power to the shredding body. The shredding body comprises a housing, and the housing is provided with a power supply chamber for accommodating at least part of the power supply device. The shredding device according to the present invention features a compact structure, and is easy and safe to operate.

BATTERY RACK AND ENERGY STORAGE SYSTEM COMPRISING THE SAME

Resumen de: EP4708516A2

A battery rack according to an embodiment of the present disclosure includes a plurality of battery modules, each including at least one battery cell, wherein each battery module has at least one venting hole; a rack case accommodating the plurality of battery modules; and a plurality of support brackets disposed in the rack case such that each support bracket supports each battery module and is in communication with the at least one venting hole.

DEVICES, SYSTEMS, AND METHODS FOR CONTROLLING VENT GASES AND EJECTA FROM THERMAL RUNAWAY EVENTS IN ENERGY STORAGE SYSTEM

Resumen de: EP4708462A2

The present disclosure relates to materials and systems to manage thermal runaway issues in battery modules. In exemplary embodiments, a battery module includes battery cells separated by spacer elements. To mitigate thermal runaway issues, spacer elements may be extended to the interior surface of the enclosure. A seal is formed between the spacer elements and the interior wall to form a thermal barrier between adjacent battery cells.

BATTERY MODULE, BATTERY PACK AND VEHICLE INCLUDING THE SAME

Resumen de: EP4708522A2

A battery module according to one embodiment of the present disclosure includes first and second cell block assemblies that include a battery cell stack and are arranged along a direction perpendicular to the stacking direction of the battery cell stack; a module frame that houses the first and second cell block assemblies and is opened in a front and rear direction; and a cooling plate arranged below the bottom portion of the module frame, wherein a flow path through which refrigerant flows is formed in the cooling plate, and the flow path is formed in a direction parallel to the arrangement direction of the first and second cell block assemblies.

A flexible lithium-ion battery

Resumen de: GB2643940A

A flexible lithium-ion battery comprising a cathode 110, an anode 112 and an electrolyte 120 comprising lithium ions contained within a flexible casing 118, wherein each of the cathode and the anode independently comprises a flexible current collector 122, 126 comprising a carbon-based fabric comprising a porous network of porous graphitic fibre of at least 85 wt% carbon, and an electroactive composition 124, 128 supported on the collector, at least partially infiltrated into the pores and comprising a lithium-intercalating electrode material and a polymeric binder. The binder may be a polyurethane elastomer. The electroactive composition may comprise a conductive additive. The cathode material may be graphite, graphite composites with silicon, lithium metal or alloys, lithiated carbonaceous material or lithium titanate. The anode material may be a lithium metal oxide or phosphate. The current collectors may each comprise a terminal portion (Fig. 3, 708) of the fabric passing through the casing to provide an electrical terminal, wherein the casing is sealed by a polymeric sealant. A method of producing the battery wherein the electrodes are formed by applying a precursor slurry the electrode material and binder dissolved in solvent to the collectors, and drying. A flexible article comprising the battery.

Compression pad for batteries

Resumen de: GB2643924A

A compression pad for use in a battery assembly comprising a composite comprising: • 35 to 95 wt% silicone resin, which forms at least part of a silicone resin matrix; • 0 to 40 wt% optional additives • 5 to 65 wt% granules comprising fumed silica and an IR opacifier, said granules dispersed within the silicone resin matrix; one or both of said silicone resin matrix and said granules further comprise the optional additives. The granules comprise pores filled with the silicone resin to form impregnated granules. The granules are made by blending fumed silica, IR opacifiers and the optional additives and densifying the mixture by mechanical densification. The granules are then mixed with the silicone resin. Methods of forming te composite for use in the compression pad are also disclosed. In a preferred embodiment, commercially available granules comprising fumed silica and silicon carbide (SiC) as an IR opacifier may be used.

DEVICE, METHOD AND PROGRAM FOR ACQUIRING FEATURE DATA FOR MATERIAL COMPOSITION INFORMATION BASED ON ARTIFICIAL INTELLIGENCE

Resumen de: EP4708306A2

A system, device, method, and program for acquiring feature data for material composition information based on artificial intelligence are disclosed. The system may include a memory configured to store a first artificial intelligence (AI) model configured to output first feature data for composition information of a material and a second AI model configured to output second feature data for structure information of the material; and a processor configured to learn the first AI model and the second AI model. The processor may be configured to learn the first AI model based on the second feature data for the structure information of the material output by the second AI model, and/or to learn the second AI model based on the first feature data for the composition information of the material output by the first AI model.

ENERGY STORAGE DEVICE AND METHOD FOR MANUFACTURING ENERGY STORAGE DEVICE

Resumen de: EP4708547A2

The claimed invention relates to an energy storage device comprising: an electrode body; and an outer packaging that seals the electrode body, wherein the outer packaging is constituted by a film-like outer packaging member, the outer packaging includes a first sealing portion that is sealed by joining surfaces that face each other in a state in which the outer packaging member is wrapped around the electrode body, a base portion of the first sealing portion is formed at a boundary between a first surface and a second surface of the outer packaging, the first surface has a larger area than the second surface, and the first sealing portion does not overlap the first surface in a plan view, the outer packaging further comprising a lid body, and wherein the lid body: (A) is a metal molded article; (B) is a resin molded article; (C) has a plate shape; (D) is a member that is divided into a first portion and a second portion, and wherein a hole is configured to pass through the lid body; or (E) is a tray-shaped member having a bottom and a rectangular shape in a plan view.

MATERIALS, SYSTEMS, AND METHODS FOR MITIGATION OF ELECTRICAL ENERGY STORAGE THERMAL EVENTS

Resumen de: EP4708460A2

The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include a thermal barrier material that includes multiple layers. The multilayer thermal barrier material includes at least one insulation layer, at least one compressible pad, and optional one or more layers that have favorable heat-dissipating properties, have favorable fire, flame and/or abrasion-resistance properties, have favorable performance for use as thermal barriers. The present disclosure further relates to a battery module or pack with one or more battery cells and the multilayer thermal barrier material placed in thermal communication with the battery cell

ANODE MATERIAL AND BATTERY

Resumen de: EP4708382A2

Provided is an anode material and a battery. The anode material includes a carbon matrix and an active substance, and at least a portion of the active substance is distributed in the carbon matrix; and surface cleanliness of the anode material is γ, and γ≥60%. The anode material and the battery provided in the present disclosure can alleviate cyclic attenuation of the anode material, reduce side reactions between the anode material and an electrolyte solution, and reduce a gas production phenomenon of the anode material, thereby comprehensively improving the capacity, expansion performance, and cycling performance of the anode material.

Electrical cell module, and a method of assembling an electrical cell module

Resumen de: GB2643911A

A cell module 100 comprises module end plates 160a,160b, a first cell stack 110a and a second cell stack 110b, each cell stack comprising a series of cells 112 stacked along a longitudinal axis 102 and an end plate (130a,130b; Fig 2) at each end. The end plates apply compressive force along the longitudinal axis and define the stack length. The compressive force applied to the cell stacks is in a predetermined operable range. In use the module end plates are fixedly engaged with the corresponding stack end plates, and the first stack length is different to the second stack length (see figure 4). The stack end plates may be fixed to one another by intermediary support plates 140a,140b, which may extend along the longitudinal axis of the cell module. The end plates may have one or more engaging elements. The predetermined compressive force may be between 1-10,000 Newtons. Mount portions 162 of the module end plate may engage each of the stack end plates. There may also be a third cell stack which may have a different stack length to the first and second stack lengths. A further aspect is a method of manufacturing the cell module.

A solid-state battery cell for an electric energy storage device of an at least in part electrically operated motor vehicle

Resumen de: GB2643901A

A solid-state battery cell 10 for an electric energy storage device of an at least in part electrically operated motor vehicle, comprising a housing 14, wherein inside of the housing a jelly roll 12 is arranged and wherein the jelly roll comprises at least one mandrel 16 comprising a central polymer mandrel configured to increase radial pressure on the jelly roll. Part of the mandrel may be configured to receive an expansion agent - optionally a liquid substance, such as air - and may be a phase-change material. The mandrel may expand via an internal expansion mechanism, may comprise at least one composite material and may be at least partially hollow. The jelly roll may comprise a laminated stack of at least one anode layer (Fig. 2, 32), at least one solid-state electrolyte layer (Fig. 2, 30), at least one cathode layer (Fig. 2, 28) and at least one separator layer (Fig. 2, 26) rolled into a cylinder inside the housing. A method for manufacturing the battery cell.

Procédé de fabrication d'une cellule électrochimique en sachet

Resumen de: FR3165999A1

Procédé de fabrication d'une cellule en sachet comprenant les étapes suivantes: - formation, dans un film (20) multicouche, d'une première cavité (11) et d'une deuxième cavité (12), la première cavité et la deuxième cavité ayant un bord (13) en commun intégrant une ligne (14) de pliage permettant un rabattement de la première cavité (11) sur la deuxième cavité (12) de sorte à former un sachet apte à recevoir un empilement d'électrodes;- formation d'une première goulotte (15) semi-cylindrique dans le bord de la première cavité (11) et d'une deuxième goulotte (16) semi-cylindrique dans le bord de la deuxième cavité (12) de sorte que, lorsque la première cavité (11) est rabattue sur la deuxième cavité (12), la deuxième goulotte (16) forme avec la première (15) goulotte un conduit (17) apte à recevoir un câble s'étendant dans ledit sachet. Figure pour l’abrégé : Fig.2

Cellule électrochimique en sachet

Resumen de: FR3166002A1

Cellule électrochimique comprenant :- une enveloppe comportant un premier et un deuxième logement formant un logement principal lorsque l’enveloppe extérieure est repliée autour d’un axe de pliage,le premier logement étant bordé transversalement par un premier bord et par un deuxième bord et parallèlement à l'axe de pliage par un troisième bord;le deuxième logement étant bordé transversalement par un quatrième bord et par un cinquième bord et parallèlement à l'axe de pliage par un sixième bord;- le premier bord et le quatrième bord étant solidaires selon une première jonction thermoscellée,- le deuxième bord et le cinquième bord étant solidaires selon une deuxième jonction thermoscellée,- le troisième bord et le sixième bord étant solidaires selon une troisième jonction thermoscellée;l’une au moins des jonctions comprenant une première portion d’une première épaisseur et une deuxième portion d’une deuxième épaisseur supérieure à la première épaisseur. Figure pour l’abrégé : Fig.2

Procédé de gestion de la charge électrique d’un véhicule automobile ayant une motorisation électrique alimentée par une batterie

Resumen de: FR3165826A1

Un procédé de gestion de la charge électrique d’un véhicule automobile ayant une motorisation électrique alimentée par une batterie est mis en œuvre par un processeur et comprend les étapes de : recueil (201) des consommations électriques de la motorisation, des fonctions de confort et de la mise en température de charge de la batterie ;détermination (203) à partir des consommations électriques recueillies et de la charge restante de la batterie d’une distance maximale atteignable ;recherche (205) d’une station de recharge de la batterie se trouvant à une distance inférieure à la distance maximale atteignable. Un dispositif pour mettre en œuvre ce procédé et un véhicule automobile comprenant le dispositif sont également décrits. Figure à publier avec l’abrégé : Fig 2

Procédé d’extraction sécurisée de lithium d’une batterie électrique comprenant du lithium métallique.

Resumen de: FR3165896A1

L’invention concerne un procédé (300) d’extraction de lithium d’une batterie électrique comprenant du lithium, ledit procédé (300) comprenant une phase (302) d’extraction de lithium, ladite phase d’extraction (302) comprenant les étapes suivantes réalisées, au moins en partie, dans au moins une enceinte : chauffage (304) de ladite batterie à une température, dite température de traitement, supérieure ou égale à la température de fusion du lithium métallique ; compression (306) de ladite batterie pour évacuer le lithium fondu hors de la batterie ; caractérisé en ce qu’il comprend, lors d’au moins une partie de ladite phase d’extraction (302), une évacuation (308,310) de composés organiques volatiles se trouvant dans ladite enceinte, ou au moins une desdites enceintes. Elle concerne également un système mettant en œuvre un tel procédé. Figure : Fig. 3

Procédé d’extraction sécurisée de lithium d’une batterie électrique comprenant du lithium.

Resumen de: FR3165894A1

L’invention concerne un procédé (300) d’extraction de lithium d’une batterie électrique comprenant du lithium métallique, ledit procédé (300) comprenant une phase (302) d’extraction de lithium, ladite phase d’extraction (302) comprenant les étapes suivantes réalisées, au moins en partie, dans une enceinte : chauffage (304) de ladite batterie à une température, dite température de traitement, supérieure ou égale à la température de fusion du lithium métallique ; compression (306) de ladite batterie pour évacuer le lithium fondu hors de la batterie ; caractérisé en ce que l’étape de chauffage (304) est réalisée par circulation, dans ladite enceinte, d’un flux chaud, dit flux de chauffage, venant au contact de ladite batterie. Elle concerne également un système mettant en œuvre un tel procédé. Figure : Fig. 3

VEHICULE AUTOMOBILE COMPORTANT UN PHARE APTE A ETRE EJECTE POUR ACCEDER A UN CONDUIT DE REMPLISSAGE

Resumen de: FR3165835A1

L’invention concerne un véhicule (100) automobile électrique ou hybride comportant une batterie, ledit véhicule (100) comportant un conduit de remplissage joint à ladite batterie, ledit conduit de remplissage comportant une ouverture, ledit conduit de remplissage étant destiné à recevoir et à guider un fluide vers ladite batterie, ledit véhicule (100) comportant au moins un logement (1) configuré pour contenir un phare (2), ladite ouverture étant accessible depuis ledit logement (1), caractérisé en ce que ledit véhicule (100) comporte au moins un moyen d’éjection configuré pour éjecter ledit phare (2) en dehors dudit logement (1). En outre, l’invention concerne un procédé d’éjection du phare (2) en dehors du logement du véhicule (100) automobile électrique ou hybride. Figure. 1

Mécanisme de jonction entre une extrémité de canalisation de type mâle et une extrémité de canalisation de type femelle

Nº publicación: FR3165938A1 06/03/2026

Solicitante:

SOGEFI AIR & COOLING [FR]
SOGEFI AIR & COOLING

Resumen de: FR3165938A1

Mécanisme de jonction entre une extrémité de canalisation de type mâle et une extrémité de canalisation de type femelle L’invention concerne un système (1) de jonction pour la circulation d’un fluide entre un conduit mâle (2) et un conduit femelle (3) qui comprend : une première interface de connexion (21) réalisée par la surface extérieure du conduit mâle (2),une seconde interface de connexion (31) complémentaire à la première interface de connexion (21) et réalisée par la surface intérieure du conduit femelle (3),un dispositif intermédiaire élastique axial de jonction (11) comprenant au moins une surface respective (112, 113) en vis-à-vis de la première (21) et de la seconde (31) interface de connexion, pour être comprimé entre ces interfaces (21, 31), caractérisé en ce que : la seconde interface de connexion (31) comprend un orifice de drainage (41) vers un canal de drainage porté par le conduit femelle (3),le dispositif intermédiaire élastique axial de jonction (11) comprend, en vis-à-vis de la seconde interface de connexion (31), au moins deux lèvres ou séries de lèvres (51, 52) orthogonales à l’axe du dispositif (11), le dispositif intermédiaire de jonction (11) étant positionné en insertion dans le conduit femelle (31) de sorte que chaque lèvre ou série de lèvres (51, 52) est disposée de part et d’autre de l’orifice de drainage (41) de la seconde interface de connexion (31). Figure à publier avec l’abrégé : pas d