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586
resultados
Última actualización
24/08/2026 [07:59:00]
Resumen de: FR3172394A1
Dispositif de refroidissement (30) pour au moins un élément à refroidir, par exemple au moins un élément de batterie électrique, le dispositif de refroidissement (30) comprenant : - au moins une paroi (36) souple, et - au moins un conduit (52) de circulation de fluide caloporteur délimité au moins en partie par ladite au moins une paroi (36), ladite au moins une paroi (36) étant configurée pour être placée en contact avec l’au moins un élément à refroidir, entre ledit conduit (52) et l’au moins un élément à refroidir, - au moins un élément de thermorégulation actif (60), configuré pour délivrer une puissance thermique commandée au moins au fluide contenu dans l’au moins un conduit (52), disposé sur une surface interne (64) de l’au moins une paroi (36), une surface externe (66) de l’au moins une paroi (36), ou dans l’épaisseur de l’au moins une paroi (36). Figure à publier avec l’abrégé : 2
Resumen de: FR3172365A1
Un procédé permet d’assister un système comprenant une batterie de puissance associée à un calculateur de batterie estimant l’état de charge de la batterie de puissance lorsqu’il est alimenté en énergie électrique issue d’une batterie de servitude, et à une carte électronique comprenant une horloge et un convertisseur convertissant une première tension fournie par la batterie de puissance en une seconde tension adaptée au fonctionnement de l’horloge. Ce procédé comprend une étape (10-30) dans laquelle, lorsque le calculateur de batterie n’est plus alimenté en énergie électrique à partir d’un instant initial, on fait compter par l’horloge une durée écoulée entre cet instant initial et un instant final où le calculateur de batterie est de nouveau alimenté en énergie électrique par la batterie de servitude, puis on transmet cette durée au calculateur de batterie afin qu’il l’utilise pour estimer l’état de charge. Figure 3
Resumen de: FR3172395A1
Dispositif de refroidissement (30) pour au moins un élément à refroidir, par exemple au moins un élément de batterie électrique, comprenant : - au moins une paroi (36) souple, - au moins un conduit (52) de circulation de fluide caloporteur délimité au moins en partie par ladite au moins une paroi (36), ladite au moins une paroi (36) étant configurée pour être placée en contact avec l’au moins un élément à refroidir, entre ledit conduit (52) et l’au moins un élément à refroidir, et - une structure de support (34) comprenant un cadre (35) rigide et/ou une structure intermédiaire (82) rigide solidaire de l’au moins une paroi (36) et s’étendant dans le conduit (52), - au moins un élément de thermorégulation actif (60) et/ou au moins un capteur (70), chaque élément de thermorégulation actif (60) et chaque capteur (70) étant monté sur le cadre (35) ou la structure intermédiaire (82). Figure à publier avec l’abrégé : 3
Resumen de: WO2026170612A1
The present application provides 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 to each other in a first direction, and two main planes opposite to each other in a second direction; a casing, sleeved on the outer side of the battery cell and comprising two recessed plates opposite to each other in the second direction, two side plates opposite to each other in the first direction, and connecting plates respectively connecting the two recessed plates and the two side plates, wherein the inner surface of each recessed plate is in contact with a corresponding main plane, and the height of the side plates in the second direction is greater than the height of the recessed plates in the second direction, so that the maximum height of the casing in the second direction is defined by the side plates; and a fixing structural member, arranged around the outer side of the casing and used for pressing and retaining the battery cell by means of the casing.
Resumen de: WO2026170611A1
Provided in the present application are a cover plate assembly, a cell, and a battery pack. The cover plate assembly comprises an end cap, a post, a bottom plate, and a sealing ring. The post comprises a first section and a second section that are connected to each other, the diameter of the second section being smaller than the diameter of the first section, the first section having a first shoulder face facing toward the second section, and the first section passing through the end cap. The bottom plate is sleeved onto the second section. The sealing ring is sleeved onto the second section and is located between the end cap and the bottom plate, the sealing ring having a first end face facing away from the bottom plate. The inner diameter side of the first end face abuts against the first shoulder face.
Resumen de: WO2026171119A1
Disclosed are a waste battery material powder, and a preparation method therefor and a use thereof, relating to the technical field of battery recycling. The waste battery material powder comprises a metal compound powder and an elemental carbon material, the content percentage of carbon in the waste battery material powder is 10-40 wt%, and ID/IG≤0.5, wherein ID and IG are respectively the intensity of a D-band characteristic peak and the intensity of a G-band characteristic peak in a Raman spectrum of the waste battery material powder. The waste battery material powder has a low ID/IG value, which means that the waste material powder has low amorphous carbon content and graphite has low degree of oxidation. The waste battery material powder meeting the requirements that the content percentage of carbon is 10-40 wt% and ID/IG≤0.5 exhibits a good metal recovery rate in a hydrometallurgy process, and obtained graphite residue exhibits good regeneration capacity.
Resumen de: WO2026171224A1
The present application relates to the technical field of batteries. Disclosed are a battery cell and a battery pack. The battery cell comprises an electrode assembly. The electrode assembly is provided with internal tabs. The internal tabs comprise a positive tab and a negative tab which are arranged at two ends of the electrode assembly, respectively, wherein the width of the positive tab is defined as b in units of mm, the number of layers of electrode sheets of the positive tab is m, and the thickness of an electrode sheet foil of the positive tab is t1 in units of μm; and the width of the negative tab is defined as c in units of mm, the number of layers of electrode sheets of the negative tab is n, and the thickness of an electrode sheet foil of the negative tab is t2 in units of μm, satisfying 1.5≤mbt1/nct2≤2.2. The battery cell provided by the present application can ensure that the sizes of the positive tab and the negative tab are rationally matched, and the current-carrying capacity of the positive tab is equivalent with that of the negative tab during a charging and discharging process of the battery cell. Moreover, when heat from a major surface of the electrode assembly flows towards the tab in the direction of length of the battery cell, the heat at the root of the tab will not cause excessive temperature rise at the tab due to excessive concentration, ensuring that the temperature of the entire battery cell is evenly transferred at the major surface and t
Resumen de: WO2026171220A1
The present application relates to the technical field of batteries, and discloses a battery cell and a battery pack. The battery cell comprises: an electrode assembly, tabs being provided at the end portions of the electrode assembly; and a packaging film, wrapping the outer side of the electrode assembly and forming a packaging edge around the electrode assembly, wherein a packaging area is provided at the packaging edge, the width of the packaging area is W1, the range of W1 is 0.8 mm≤W1≤50 mm, and each tab has one end located in the packaging film and the other end extending out of the packaging edge. In the present application, the width W1 of the packaging area is set according to the described parameters, so that on the one hand, the width W1 of the packaging area can be prevented from being excessively small, causing poor sealing performance of the packaging film; and on the other hand, the width W1 of the packaging area can be prevented from being excessively large, causing material waste and excessive occupation of space, thereby affecting the energy density of the battery cell.
Resumen de: DE102026105517A1
Eine Sammelschiene weist eine Plattenform auf und ist aus einem elektrisch leitfähigen Material hergestellt. Die Sammelschiene ist konfiguriert, um mit Anschlüssen verbunden zu werden, die auf einer Seite von zwei in einer vorbestimmten Richtung angeordneten Batteriezellen vorgesehen sind. Die Sammelschiene umfasst: einen ersten Verbindungsabschnitt, der konfiguriert ist, um mit dem Anschluss einer der beiden Batteriezellen verbunden zu werden; einen zweiten Verbindungsabschnitt, der konfiguriert ist, um mit dem Anschluss der anderen Batteriezelle verbunden zu werden; und ein erstes Durchgangsloch und ein zweites Durchgangsloch, die in einem Bereich zwischen dem ersten und dem zweiten Verbindungsabschnitt vorgesehen sind und in einer Oben-Unten-Richtung angeordnet sind. Ein vertiefter Abschnitt, der in Richtung zu der gegenüberliegenden Seite von dem zweiten Durchgangsloch ausgespart ist, ist an einer Kante des ersten Durchgangslochs vorgesehen, die sich auf der Seite des zweiten Durchgangslochs befindet.
Resumen de: US20260245865A1
Described herein are examples of methods for making solid-state batteries. The method may include preparing a cathode comprising graphene, sulfur, and phosphorus, wherein the sulfur and phosphorus are mixed together and then mixed with the graphene, and preparing an anode comprising silicon and lithium that is deposited on a copper current collector plate, as well as preparing a separator comprising an ion-conducting material and a solvent, wherein the ion-conducting material and solvent are mixed together and deposited onto the cathode and the cathode, separator, and anode are assembled to form a solid-state battery without a liquid electrolyte layer. The method of building the battery can be instrumental in simplifying the manufacturing process in next-generation factories. The solid-state batteries can be prepared without liquid electrolytes by substituting solid electrolyte particles into the electrode material itself, or by other means, resulting in safer, smaller and easier to manufacture batteries.
Resumen de: AU2025294561A1
A battery pack according to an embodiment of the present invention includes: a cell module assembly including a battery cell stack including a plurality of stacked battery cells, and a bus bar frame covering both side surfaces of the battery cell stack; and a pack frame in which the cell module assembly is seated, wherein a gap is formed between the pack frame and the upper end of the cell module assembly and between the pack frame and the lower end of the cell module assembly, and air is introduced into the gap through holes formed in the bus bar frame to cool the edge portion of the battery cells.
Resumen de: WO2026170822A1
The present application provides a battery device (100) and an electric device. A battery cell assembly (110) of the battery device (100) comprises a plurality of battery cells (20) sequentially arranged in a second direction (X); in a first direction (Z), a first thermal management component (12) and a second thermal management component (13) are respectively arranged on two opposite sides of the battery cell assembly (110) and are respectively close to or connected to the plurality of battery cells (20) in the battery cell assembly (110). In the battery device (100) provided in embodiments of the present application, the first thermal management component (12) and the second thermal management component (13) can be used together for performing heat-exchange cooling processing on the battery cells (20), and the battery device (100) has better reliability in a high-rate operating state.
Resumen de: WO2026170768A1
The present application relates to a valve assembly and a battery production device. In a liquid injection or exhaust process, a valve core can apply a pushing force to a valve body so as to push the valve body, such that a flow channel is in communication with the interior of a battery cell, and at this time, a medium can be injected into the interior of the battery cell by means of a flow guide channel and the flow channel, or can be discharged to the exterior of the battery cell. When the flow channel is in communication with the interior of the battery cell, a first sealing surface is in sealing contact with a second sealing surface, such that the valve core is in sealing fit with the valve body. Thus, when the valve is opened, an electrolyte is prevented from seeping out between the valve body and the valve core due to the internal pressure of the battery cell, thereby effectively reducing the probability of back-seepage of the electrolyte during the liquid injection process, ensuring normal liquid injection operation, and reducing contamination to the battery cell.
Resumen de: WO2026170641A1
The present application relates to the technical field of lead-acid batteries, and provides a plate group assembly and a lead-acid battery. The plate group assembly comprises grids, a first busbar, a second busbar and a casing structure; tabs are fixed to the tops and bottoms of the grids; the tabs at the tops of the multiple grids are electrically connected by means of the first busbar, and the tabs at the bottoms of the multiple grids are electrically connected by means of the second busbar; the multiple grids are all mounted in the casing structure; a mounting hole is provided in a side wall of the casing structure; the mounting hole extends from the top of the casing structure to the bottom thereof; a conductive member is provided in the mounting hole; by means of the conductive member, the first busbar and the second busbar are electrically connected. In the plate group assembly, the tabs are provided on both the tops and bottoms of the grids, and the conductive member is used to electrically connect the first busbar to the second busbar, thus not only reducing the potential difference between the tops and bottoms of the grids and improving the utilization rate of active materials in the middles and bottoms of the grids, but also allowing the current density distribution on the grids to be more uniform and thus improving the capacity of a battery and prolonging the cycle life thereof.
Resumen de: WO2026170783A1
The present disclosure relates to the technical field of battery management. Provided are a method, apparatus and device for controlling a circulating current of a multi-branch parallel battery pack under a discharge operating condition, and a storage medium. The method for controlling a circulating current of a multi-branch parallel battery pack under a discharge operating condition comprises: detecting the duration of a discharge operating condition of a multi-branch parallel battery pack; when the duration of the discharge operating condition is longer than a preset duration, determining a target discharge current limit on the basis of an inter-branch discharge current difference, a maximum allowable discharge current, the minimum cell voltage of the branch having the maximum discharge current, the current discharge power and the number of branches; and when the duration of the discharge operating condition is shorter than or equal to the preset duration, determining the target discharge current limit on the basis of the inter-branch discharge current difference, the maximum allowable discharge current, and the minimum cell voltage of the branch having the maximum discharge current. The present disclosure can reduce the influence of a circulating current caused by the termination of a discharge operating condition.
Resumen de: WO2026171222A1
The present application relates to the technical field of batteries, and discloses a soft package battery and a battery pack. The soft package battery comprises: an electrode set, a first packaging film, and a second packaging film. The first packaging film is provided with an accommodating recess used for mounting the electrode set, and the electrode set is arranged in the accommodating recess; the second packaging film is arranged opposite to the first packaging film, a packaging region surrounding the periphery of the accommodating recess is reserved on each of the second packaging film and the first packaging film, and the packaging regions are fixed by means of hot-melt plastic packaging, so as to package the electrode set in the accommodating recess; and the depth of the accommodating recess is H, the thickness of the first packaging film is T1, the thickness of the second packaging film is T2, the thickness of the soft package battery is T3, and it is satisfied that (T3-T1-T2)/1.1≤H≤(T3-T1-T2)/0.9. In the present application, the relationship among the depth of the accommodating recess, the thickness of the first packaging film, the thickness of the second packaging film, and the thickness of the soft package battery is defined, so that the depth of the accommodating recess is maintained within an appropriate range, thereby improving the mounting effect of the electrode set.
Resumen de: WO2026170891A1
A lithium secondary battery and an electrical apparatus. The lithium secondary battery comprises a positive electrode plate, a negative electrode plate and an electrolyte, wherein the negative electrode plate comprises a negative electrode current collector, or the negative electrode plate comprises a negative electrode current collector and a lithium metal layer arranged on the surface of the negative electrode current collector, the negative electrode current collector comprises a buffer layer and metal layers arranged on the surfaces of two sides of the buffer layer, and the elastic modulus of the buffer layer is less than the elastic modulus of the metal layers.
Resumen de: US20260247551A1
0000 A wiring module includes a wiring module case that has a wiring path provided with a wiring material and a connector that has a housing to which one end of the wiring material is fixed. The wiring module case has a case body provided with the wiring path, and a hinge structure portion that is connected to the case body on the connector side of the case body via a hinge, is rotatably provided around an axis of the hinge between an extended position extending from the case body so as to protrude from a battery module and a bent position approaching the battery module, and has a wiring material fixing portion for fixing the wiring material W on one end side from the wiring path (11a ) toward the connector.
Resumen de: US20260246099A1
A busbar includes: a first plate portion including a first connection portion that is connected to a terminal of one of two battery cells; a second plate portion including a second connection portion that is connected to a terminal of the other battery cell; a first rising wall connected to an edge of the first plate portion that faces the second plate portion; a second rising wall connected to the second plate portion; a central plate portion connecting the first and second rising walls; and first and second through holes provided in a region between the first and second connection portions and are arranged in an up-down direction. A first auxiliary through hole is provided at a connection portion between the first rising wall and the first plate portion. A second auxiliary through hole is provided at a connection portion between the second rising wall and the second plate portion.
Resumen de: WO2026171130A1
The present application belongs to the technical field of batteries, and provides a positive electrode sheet, and a manufacturing method therefor and the use thereof. The positive electrode sheet comprises a current collector, and a first positive electrode active layer and a second positive electrode active layer which are stacked on the surface of the current collector, wherein a positive electrode active material in the first positive electrode active layer comprises a high-nickel ternary material, and a positive electrode active material in the second positive electrode active layer comprises a medium-nickel ternary material. In the present application, a double-layer heterogeneous positive electrode sheet is obtained by means of a functional layered design combined with the capacity advantage of a high-nickel material and the kinetic advantage of a medium-nickel material. A lithium-ion battery assembled from the positive electrode sheet has effectively balanced advantages such as a high energy density and a high cycling stability.
Resumen de: US20260246287A1
A detachable and replaceable connector base structure for a lithium-ion power tool battery pack, comprising a housing and a circuit board provided at the bottom of the housing; the bottom of the housing is provided with a connector base on which a battery pack is mounted, the connector base is detachably connected to the housing, and a positioning and fixing structure is provided between a side of the connector base and the housing to form a detachable fixed connection between the connector base and the housing; the battery pack is provided with a buckle structure that cooperates with the connector base, and the connector base is further provided with a plurality of conductive inserts. The connector base is detachably connected to the housing of the lithium battery tool in a separable manner, while the battery pack is connected to the housing through the connector base.
Resumen de: US20260245915A1
0000 A sodium-ion battery cell, a secondary battery, and an electric device are provided. The sodium-ion battery cell includes a cylindrical casing defining an accommodating cavity and an electrode assembly disposed within the accommodating cavity. The electrode assembly includes a negative electrode sheet comprising a negative electrode current collector and a negative electrode active layer disposed on at least one surface of the negative electrode current collector. The negative electrode current collector has a density less than or equal to 5.0 g/cm<3>. A group margin of the sodium-ion battery cell satisfies 0.95≤group margin<1, where the group margin is a ratio of a diameter of the electrode assembly to a diameter of the accommodating cavity.
Resumen de: WO2026171225A1
The present application relates to the technical field of batteries. Disclosed are an electrode plate and a battery. The electrode plate comprises: an electrode plate body, wherein in the direction of thickness of the electrode plate body, a corner of the electrode plate body is cut to form a recess, and a corner line is formed at the corner of the electrode plate body, the corner line comprising at least one rounded corner structure, and the radius of the rounded corner structure ranging from 0.3 mm to 10 mm. In the present application, the corner of the electrode plate body is cut, so as to remove a right angle at the corner of the electrode plate body, and form the corner line having the rounded corner structure at the corner of the electrode plate body, such that the corner line is relatively gentle and smooth, thereby avoiding puncturing of a separator, avoiding short circuits, and ensuring the safety performance of the battery during stacking and hot pressing.
Resumen de: WO2026170924A1
Provided in the present application are a battery apparatus and an electrical apparatus. The battery apparatus (200) comprises a box body (20), a plurality of battery cells (300), and an integrated busbar (400). The box body is provided with an accommodating space (201); the integrated busbar is arranged in the accommodating space; the integrated busbar is electrically connected to the battery cells; the integrated busbar is arranged above the battery cells in the height direction of the box body; the integrated busbar is provided with a first channel (410) for a heat exchange medium to flow; the side wall of the first channel facing the battery cells is provided with spray holes (413), so as to spray the heat exchange medium in the direction towards the battery cells. The first channel is provided on the integrated busbar, and the spray holes are provided on the first channel, so as to spray the heat exchange medium to the battery cells; the heat exchange medium flows in the first channel, so as to adjust the temperature of the integrated busbar; after the heat exchange medium is sprayed out of the spray holes, when flowing downwards, the heat exchange medium is in contact with the battery cells, so as to quickly adjust the temperature of the battery cells.
Nº publicación: DE102026105251A1 20/08/2026
Solicitante:
TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: DE102026105251A1
Ein Batteriemodul 10 umfasst mehrere Batteriezellen 20, die Elektrodenanschlüsse 21 und 22 umfassen, ein leitfähiges Element 60, das mit den Elektrodenanschlüssen 21 und 22 von mindestens einer Batteriezelle 20 der mehreren Batteriezellen 20 verbunden ist, und einen Anschlussblock 50, an dem das leitfähige Element 60 befestigt ist. Das leitfähige Element 60 umfasst einen ersten Plattenabschnitt 61, der eine Plattendickenrichtung in einer ersten Richtung aufweist. Der erste Plattenabschnitt 61 ist an dem Anschlussblock 50 befestigt. Das leitfähige Element 60 umfasst einen zweiten Plattenabschnitt 62, der eine Plattendickenrichtung in einer zweiten Richtung aufweist, die eine Richtung senkrecht zu der ersten Richtung ist. Der zweite Plattenabschnitt 62 ist an dem Anschlussblock 50 befestigt.
BOPI
Sede Electrónica
