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BATTERY TRAY, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: WO2025189578A1

A battery tray, a battery pack, and an electric device. The battery tray comprises a base plate (1) and at least two expansion beams (2) extending in a first direction, wherein the at least two expansion beams (2) are spaced apart on the base plate (1) in a second direction, with the first direction being perpendicular to the second direction; one of the expansion beams (2) at least comprises a first expansion portion (21) and a second expansion portion (22); a first mounting area (11) is formed between the first expansion portion (21) and another expansion beam (2); a second mounting area (12) is formed between the second expansion portion (22) and another expansion beam (2); and the widths of the first expansion portion (21) and the second expansion portion (22) are not equal in the second direction, such that the lengths of the first mounting area (11) and the second mounting area (12) are not equal in the second direction. The battery tray enables the same expansion beam (2) to limit battery cell groups (4) having different numbers of battery cells, thereby improving the versatility of the battery tray. Moreover, the expansion beams (2) can resist the expansion deformation of the battery cells (40).

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2025189465A1

The present application relates to the technical field of batteries, and provides a battery cell, a battery, and an electric device. The battery cell comprises a casing, an electrode assembly, a fixing member, an electrode terminal, and a first insulating member. The casing comprises a wall portion. The electrode assembly is accommodated in the casing. The fixing member is connected to the wall portion, the fixing member comprises a fixing portion, and in the thickness direction of the wall portion, the fixing portion is arranged spaced apart from the wall portion. The electrode terminal is arranged on the wall portion, and the electrode terminal is electrically connected to the electrode assembly. The first insulating member comprises a first portion and a second portion and a third portion which are connected to the first portion, the first portion is arranged between the electrode terminal and the fixing member so as to insulate and isolate the electrode terminal from the fixing member, and in the thickness direction of the wall portion, the second portion is located between the fixing portion and the wall portion, and part of the electrode terminal is located between the third portion and the wall portion. In the thickness direction of the wall portion, the projection of the fixing portion does not overlap the projection of the electrode terminal, so as to save the space occupied by the fixing member in the thickness direction of the wall portion.

BATTERY MODULE AND BATTERY PACK

Resumen de: US2025293393A1

Disclosed are a battery module and a battery pack that can prevent flames generated in a battery cell in the battery module from spreading outside the battery cell. The battery module includes: a housing for receiving at least one battery cell; a top cover covering an opening of the housing; and an insulator disposed on at least one surface of the top cover, the insulator being formed to correspond to a shape of at least a portion of the at least one surface of the top cover.

ENERGY STORAGE MODULE

Resumen de: US2025293389A1

An energy storage module includes: a coolant tank for storing coolant; a fire extinguishing agent tank for storing a fire extinguishing agent; a pipe connected to the coolant tank and fire extinguishing agent tank; a plurality of cooling plates connected to the pipe; and a plurality of battery modules respectively coupled to the cooling plates. Each of the battery modules includes a battery cell, and the battery cell has a vent in one surface thereof and another surface in contact with the corresponding one of the cooling plates.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025293383A1

A battery cell includes a casing with a wall portion having a weakened portion configured to rupture when internal pressure is released. The outer surface of the wall portion has a center point. A minimum distance between a projection of the weakened portion and the center point is defined as a, and a minimum radial dimension of the outer surface is defined as A, where a is greater than or equal to 0.3A. The weakened portion is positioned farther from the center and closer to the edge of the wall portion. The edge area has greater rigidity, deformation resistance, and fatigue resistance compared to the center. Placing the weakened portion near the edge reduces the likelihood of fatigue failure under gas pressure and helps prevent premature rupture, thereby improving pressure release reliability and maintaining normal battery cell operation.

SECTIONAL VENTING GAS GUIDANCE IN A BATTERY MODULE

Resumen de: US2025293391A1

The present disclosure relates to a battery module that reduces a propagation of venting products along a battery cell stack included in the battery module. Further, the present disclosure relates to a to a battery system including one or more of the battery modules. Also, the present disclosure relates to a vehicle including at least one of the battery modules and/or at least one of the battery systems.

ELECTRICITY STORAGE DEVICE

Resumen de: US2025293380A1

An electricity storage device (battery) includes a case. The case includes a hinge part that opens and closes the case. The case houses cell strings. The cell strings include a plurality of electricity storage cells (electricity storage cells in one cell string and electricity storage cells in the other cell string) and connection parts that electrically connect the electricity storage cells to one another (connection parts between the adjacent electricity storage cells in either of the cell strings).

SECONDARY BATTERY, BATTERY PACK, AND VEHICLE

Resumen de: US2025293249A1

In general, according to one embodiment, a secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode includes at least one selected from the group consisting of lithium metal, a lithium alloy, and a compound capable of allowing Li to be inserted and extracted. The nonaqueous electrolyte includes an ionic liquid and 0.5 wt % or more and 30 wt % or less of a urea compound.

MODULAR THERMAL MANAGEMENT SYSTEM

Resumen de: US2025293346A1

A system for circulating coolant comprises a fluid transfer manifold having at least a first inlet port and one or more fluid ports. The fluid ports are connected to one or more coolant circuits. A fluid pump connected to a heat generating component and to the first inlet port circulates the coolant in the coolant circuits. A valve mechanism attached to the fluid transfer mechanism is operable to fluidically connect the first inlet port to one or more of the fluid ports and circulate coolant in the coolant circuits.

SULPHIDE BASED LITHIUM-ION CONDUCTING SOLID ELECTROLYTE AND METHODS FOR THE PRODUCTION THEREOF

Resumen de: US2025293293A1

The present invention relates to solid materials which are obtainable by melt-quenching mixtures of lithium sulphide, boron sulphide and boron oxide, thereby forming a glassy solid which is suitable for use as a lithium-ion conducting electrolyte. These sulphide based lithium-ion conducting solid electrolytes exhibit a large thermal stability as supported by the large ΔTx, in particular a ΔTx of more than 100° C.

BATTERY SYSTEM TEMPERATURE CONTROL METHOD AND APPARATUS, AND BATTERY SYSTEM

Resumen de: US2025293336A1

A battery system temperature control method includes: obtaining a cluster temperature of each of a plurality of battery clusters of the battery system; and performing temperature control on each battery cluster according to the cluster temperature of each battery cluster. Through the technical solution, the cluster temperature of each battery cluster in the battery system can represent an overall temperature condition of each battery cluster, and temperature control is performed on each battery cluster according to the cluster temperature of each battery cluster.

BIPOLAR CURRENT COLLECTOR FOR ZINC BROMINE STATIC BATTERY APPARATUS AND METHOD OF PREPARATION THEREOF

Resumen de: US2025293262A1

A bipolar current collector of a Zinc Bromine Static Battery (ZBSB) apparatus comprises a first electrically conductive layer comprising a polyethylene based polymer and an electrically conductive agent. The first electrically conductive layer is in contact with a cathode layer of the ZBSB apparatus. The bipolar current collector further comprises a second electrically conductive layer that is attached to the first electrically conductive layer. The second electrically conductive layer comprises the polyethylene based polymer and a graphite layer. The ZBSB apparatus is independent of a preinstalled anode electrode. The second electrically conductive layer is configured to dynamically operate as an anode layer of the ZBSB apparatus when in operation.

METHOD AND SYSTEM FOR PAIRING BARE CELLS

Resumen de: US2025293282A1

Bare cells are loaded onto a loading zone of each of conveying apparatuses arranged side by side, at least two carrying sections being provided in the loading zone of each conveying apparatus. The bare cells are conveyed to corresponding pairing zones by two conveying apparatuses, where a conveying direction of the conveying apparatuses is arranged to intersect with a direction in which the two conveying apparatuses are arranged side by side, tabs of the bare cells on the two conveying apparatuses are different in arrangement, and two carrying sections are provided in the pairing zone of each conveying apparatus. When the arrangement of qualified bare cells does not meet a pairing requirement for the bare cells, a corresponding qualified bare cell is picked up by a picking apparatus and moved along a preset direction between a buffer station and the carrying sections in a pairing zone of the conveying apparatus.

ELECTRODE MIXTURE, ELECTRODE LAYER, AND BATTERY

Resumen de: US2025293260A1

An electrode mixture contains an electrode active material, and fibrous carbon as a conductive material. In a case where a specific surface area of the fibrous carbon is X m2/g and a solid content ratio of the fibrous carbon in the electrode mixture is Y mass %, a product of the X and the Y is greater than 42 and smaller than 2200, and the Y is 2.0 mass % or less.

HONEYCOMB BORON CARBON NITRIDE (HBCN) AS ANODE FOR SODIUM-ION BATTERY

Resumen de: US2025293290A1

The present invention relates to Na-ion batteries comprising honey comb boron carbon nitride (HBCN) as an anode. More particularly, the present invention relates to half-cell and full cell Na-ion batteries comprising honey comb boron carbon nitride (HBCN) nanomaterial as an anode.

BATTERY TAB MISALIGNMENT DETECTION METHOD AND APPARATUS, AND BATTERY ELECTRODE SHEET WINDING SYSTEM

Resumen de: WO2025189579A1

Provided in the present application are a battery tab misalignment detection method and apparatus, and a battery electrode sheet winding system. The battery tab misalignment detection method comprises: winding a battery electrode sheet by means of using a reel. The method further comprises: for an Nth-layer electrode sheet segment wound on the reel (N being an integer greater than 0), during winding, acquiring an image to be subjected to detection of the current-layer electrode sheet segment, wherein said image comprises a battery tab region; determining a relative position relationship between a battery tab in said image and a reference part on the reel; and on the basis of the relative position relationship and the number of layers of the Nth-layer electrode sheet segment located on the reel, determining a misalignment amount of the battery tab when the wound electrode sheet is pressed into a cell.

BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Resumen de: WO2025189454A1

Disclosed in the present application are a battery cell (10), a battery (1) and an electrical apparatus. The battery cell (10) comprises a housing (11), electrode assemblies (12) and a gas discharge support (17). The housing (11) comprises a first wall (113). The electrode assemblies (12) are accommodated in the housing (11). The gas discharge support (17) is fixed on the side of the first wall (113) facing the electrode assemblies (12) and is used for abutting against the electrode assemblies (12) in the case of thermal runaway in the battery cell (10). The gas discharge support (17) is provided with first channels (171) which run through same in a first direction (x), the first direction (x) intersecting with the thickness direction (z) of the first wall (113). Each first channel (171) is arranged corresponding to one electrode assembly (12). The described configuration can reduce the risk of cracking or even explosion of the battery cell (10), thereby improving the use reliability of the battery cell (10).

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: WO2025189455A1

The present application is applicable to the technical field of batteries, and provides a battery cell, a battery and an electric device. The battery cell comprises a casing, an electrode assembly, an insulating component and a support component; the casing is provided with a first wall, a second wall and a pressure relief mechanism; the pressure relief mechanism is arranged on the first wall; a first exhaust channel is provided on the insulating component; the first exhaust channel communicates a first space with a second space; the support component is arranged in the casing and located between the first wall and the insulating component; a second exhaust channel is provided on the support component; and the second exhaust channel is used for communicating the first space with the second space, wherein the melting point of the support component is greater than that of the insulating component, the insulating component is provided with at least two planes which are connected to each other and arranged at an included angle, and the at least two planes define the second exhaust channel. According to the battery cell, the battery and the electric device provided by the present application, the risk of side weld cracking in the battery cell can be reduced, and the use safety of the battery cell is improved.

SECONDARY BATTERY

Resumen de: US2025293352A1

Some embodiments relate to a secondary battery, in which an electrode assembly is prevented from moving inside a first case, and when the electrode assembly is swelled, the first case is prevented from being excessively deformed. A secondary battery includes a first case, a second case configured to be disposed on the first case, and an electrode assembly positioned between the first case and the second case. At least one of the first case or the second case may include a concave part that is in contact with the electrode assembly.

COMPONENTS AND SYSTEMS TO MANAGE THERMAL RUNAWAY ISSUES IN ELECTRIC VEHICLE BATTERIES

Resumen de: US2025293350A1

Components and systems to manage thermal runaway issues in electric vehicle batteries are provided. Exemplary embodiments include a heat control member. The heat control member can include reinforced aerogel compositions that are durable and easy to handle, have favorable performance for use as heat control members and thermal barriers for batteries, have favorable insulation properties, and have favorable reaction to fire, combustion and flame-resistance properties. Also provided are methods of preparing or manufacturing such reinforced aerogel compositions. In certain embodiments, the composition has a silica-based aerogel framework reinforced with a fiber and including one or more opacifying additives.

BATTERY CELL AND BATTERY MODULE INCLUDING THE SAME

Resumen de: US2025293385A1

A battery cell includes: an electrode assembly; a cell case accommodating the electrode assembly; a cap plate coupled to the cell case and having a vent hole; a vent plate in the vent hole and configured to be opened or closed in response to an internal pressure of the cell case; a blocking member facing the cap plate and covering the vent plate; and a fixing member fixing the blocking member to the cell case or the cap plate.

BATTERY CELL AND BATTERY MODULE INCLUDING THE SAME

Resumen de: US2025293382A1

The present disclosure provides a battery cell including an electrode assembly, a cell case accommodating the electrode assembly and having a vent hole, a vent member sealing the vent hole and to be opened if (e.g., when) an internal pressure of the cell case increases, a blocking member installed in the vent hole and covering the vent member, and a guide member installed in the vent hole and to guide the blocking member in opening if (e.g., when) the vent member is opened.

POWER STORAGE DEVICE AND VEHICLE

Resumen de: US2025293381A1

A plurality of cells are arranged in a first direction, the first direction being a direction along a horizontal direction. Each of the plurality of cells includes an electrode assembly and a cell case that houses the electrode assembly. The cell case includes an upper surface portion facing upward. The upper surface portion includes a first end edge and a second end edge. The first end edge is an end edge on one side in the first direction. The second end edge is an end edge on the other side in the first direction. The first end edge and the second end edge extend along a second direction, the second direction being a direction along the horizontal direction and orthogonal to the first direction. A buffer portion covers the first end edge and the second end edge in each of the plurality of cells.

ELECTRICITY STORAGE CELL

Resumen de: US2025293409A1

An electricity storage cell includes a pair of electrode assemblies each configured of a wound assembly. Each electrode assembly includes a coated portion, an uncoated portion, and a current collecting tab. The uncoated portion includes an outer end surface, an inner end surface, and a coupling surface. The current collecting tab protrudes from at least one of the inner end surface and the coupling surface. The outer end surface of one electrode assembly faces the inner end surface of the other electrode assembly. The inner end surface of the one electrode assembly faces the outer end surface of the other electrode assembly. The coupling surface of the one electrode assembly faces the coupling surface of the other electrode assembly in a direction intersecting with an axial direction. The current collecting tab of the one electrode assembly is connected to the current collecting tab of the other electrode assembly.

BATTERY CELL AND BATTERY PACK

Nº publicación: WO2025189720A1 18/09/2025

Solicitante:

SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD [CN]
\u6B23\u65FA\u8FBE\u52A8\u529B\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8

Resumen de: WO2025189720A1

A battery cell and a battery pack. The battery cell comprises: a cover assembly (1), which comprises a top cover (11) and a pole (12) arranged on the top cover (11), wherein the pole (12) comprises a connection surface (121); battery cell assemblies (2), wherein each battery cell assembly (2) comprises a main body (21) and a tab bundle (22) connected to an edge of the main body (21), and the tab bundle (22) is fixedly connected to the connection surface (121); and a plate member (3), which is pressed against the sides of the tab bundles (22) facing away from the connection surface (121), wherein the top cover (11) has a length direction (Y) and a width direction (X); the plate member (3) comprises a flat plate portion (31) and a pressing portion (32), the pressing portion (32) is connected to at least one end of the flat plate portion (31) in the width direction (X), and the pressing portion (32) extends towards the pole (12) from the flat plate portion (31). According to the battery cell and the battery pack, reliable positional limiting constraints can be given to the tab bundles during stacking of the main bodies, thereby reducing the risk of an individual tab in the tab bundles cracking and being inserted into the battery cores.