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1603
results.
Updated on
10/11/2025 [07:13:00]
Results 775 to 800 of 1603
Absstract of: WO2025223481A1
A vehicle, comprising an automotive air conditioning system. The automotive air conditioning system comprises a heating loop and a cooling loop that are independent of each other. Both the heating loop and the cooling loop pass through a passenger compartment and a power battery system of the vehicle. The heating loop is used for heating the passenger compartment and/or the power battery system. The cooling loop is used for cooling the passenger compartment and/or the power battery system.
Absstract of: WO2025223264A1
An electrode sheet, a core, a battery and an electric device. The battery comprises the core, wherein the core is provided with the electrode sheet, a first coating portion and a second coating portion being spaced apart on the same surface of the electrode sheet, and the area of the electrode sheet located between the first coating portion and the second coating portion forming a first non-coating portion.
Absstract of: WO2025222339A1
The embodiments of the present application provide a battery cell, a battery, and an electrical apparatus. The battery cell comprises a housing, a top cover, and an electrode assembly. The housing is provided with an accommodating space and an opening. The top cover seals and covers the opening. The electrode assembly is arranged within the accommodating space. An inner side wall of at least part of the area of the housing located at the opening is thickened to form a thickened area, an edge of the top cover is formed with a connecting area matching the thickened area, and the connecting area is connected with the thickened area. The inner side wall of at least part of the area of the housing located at the opening is thickened to form the thickened area, thereby increasing the structural strength of the connection between the housing and the top cover, so as to increase the connection strength of the housing and the top cover, thereby reducing the risk of fatigue cracking of the connecting structure between the housing and the top cover, improving the problem of failure of the connecting structure between the housing and the top cover, improving the expansion resistance of a casing, and increasing the service life of the battery cell.
Absstract of: WO2025222593A1
Disclosed in the present application is a battery case, comprising: a case main body, wherein a diversion inner channel and an output pipe joint are provided on an inner support beam of the case main body, and the output pipe joint is in communication with the diversion inner channel; and a liquid cooling assembly, wherein the liquid cooling assembly comprises a first flow splitting member and a second flow splitting member, which are arranged opposite each other; the liquid cooling assembly is mounted in the case main body; the diversion inner channel runs through the space between the first flow splitting member and the second flow splitting member, and both the first flow splitting member and the second flow splitting member are in communication with the output pipe joint; in addition, the first flow splitting member guides a heat exchange medium to be conveyed from a side close to the diversion inner channel and in a diagonal direction of the first flow splitting member, and the second flow splitting member conveys from a side close to the diversion inner channel and in a diagonal direction of the second flow splitting member.
Absstract of: WO2025222561A1
A polyionic liquid, a ceramic electrolyte film, and a use, relating to the technical field of batteries. The polyionic liquid comprises a polymer and a first lithium salt, and the polymer is linked to the first lithium salt by means of a chemical bond. The polyionic liquid has flexibility and high conductivity, so that the ionic conductivity and stability of an electrolyte can be effectively improved.
Absstract of: WO2025222560A1
Provided are a composition, a composite film, and a use. The composition comprises a ceramic electrolyte and an ionic liquid, wherein the ionic liquid comprises a piperidine ionic liquid. The provided composition has high ionic conductivity.
Absstract of: WO2025222409A1
The present application provides a secondary battery. The secondary battery comprises an electrode sheet, wherein the electrode sheet comprises a current collector and an active material layer arranged on at least one side of the current collector, the active material layer comprises a kinetic additive, the structure of the kinetic additive comprises a cavity, and the average diameter of the cavity is 0.8 to 1.5 nm.
Absstract of: WO2025226137A1
The present invention relates to a positive electrode for a rechargeable lithium batteries and rechargeable lithium batteries, the positive electrode comprising: a positive electrode current collector; and a positive electrode active material layer positioned on the positive electrode current collector and containing a positive electrode active material and pseudo boehmite. The purpose of the present invention is to improve the stability of the rechargeable lithium batteries by reducing the amount of heat generation and blocking or delaying thermal runaway, during an abnormal reaction of the batteries.
Absstract of: WO2025225949A1
Provided is a lithium secondary battery cathode comprising: a cathode current collector; a functional layer, which is positioned on the cathode current collector and contains a lithium transition metal phosphorus oxide; a cathode active material layer, which is positioned on the functional layer and contains a cathode active material; and a ceramic insulating layer positioned on a functional-layer-uncoated area of the cathode current collector, wherein the ceramic insulating layer includes inorganic particles and a flame retardant. The lithium secondary battery cathode and the lithium secondary battery comprising same can ensure safety and reliability while minimizing a decrease in energy density during operation.
Absstract of: WO2025225942A1
The present invention relates to a vanadium electrolyte and to a secondary battery comprising same and, more particularly, to a vanadium electrolyte having a controlled concentration of an element causing a hydrogen evolution reaction (HER) occurring during charging and discharging of a secondary battery, and to a secondary battery comprising the vanadium electrolyte.
Absstract of: WO2025225957A1
Provided is a structure of a battery module comprising: a cell laminate in which a plurality of battery cells is stacked in the front-rear direction; a first end plate for supporting the cell laminate from the front side; a second end plate for supporting the cell laminate from the rear side; and a connection member for connecting opposite ends in the widthwise direction of the first end plate and the second end plate in the front-rear direction, wherein an insulating plate is interposed between the cell laminate and the first end plate, and a hook part snap-fitted coupled to the first end plate and a rigidity reinforcing part for reinforcing bending rigidity are provided on the upper end of the insulating plate.
Absstract of: WO2025226432A1
This disclosure provides processes for recovering one or more metals or metal compounds from black mass from lithium-ion batteries by alkaline leaching to form an alkaline leachate, and preparing a cathode active material precursor from the alkaline leachate.
Absstract of: WO2025225827A1
A degassing process apparatus according to one embodiment disclosed in the present document comprises: an information acquisition unit for acquiring an atmospheric pressure; and a controller for correcting a vacuum pressure during the process of degassing a battery on the basis of the atmospheric pressure, wherein the vacuum pressure may be the pressure required to reach a vacuum state during the degassing process.
Absstract of: WO2025223479A1
A battery device (100) and an electrical device (1000). The battery device comprises: a case (10); a battery cell assembly (20), which is accommodated in the case; and a heat exchange assembly (30), which is accommodated in the case. The heat exchange assembly comprises: a heat exchange body (31) which comprises a plurality of heat exchange flow channels (301) extending in a first direction, wherein the heat exchange body is provided with a limiting portion (302), and at least part of the limiting portion is arranged in the heat exchange flow channels in a protruding manner; and current collecting structures (32) which are arranged at two ends of the heat exchange body in the first direction, each current collecting structure comprising a blocking member (321), an adapter member (323) and a current collecting member (322), wherein the blocking member is blocked in at least one of the heat exchange flow channels and cooperates with and is limited by the limiting portion, the adapter member is formed on the heat exchange body, a current collecting cavity (3221) is formed inside the current collecting member, the current collecting member sealingly cooperates with and is connected to the heat exchange body by means of the adapter member, and the current collecting member is provided with a communication port (322a) in communication with the current collecting cavity.
Absstract of: WO2025223265A1
An electrode core, a battery, and an electric device. The electrode core comprises a positive electrode sheet and a negative electrode sheet, wherein the positive electrode sheet comprises a first current collector, a first tab, and a first coating portion and a second coating portion which are arranged on the same surface of the first current collector; the first tab is connected to the first current collector, the first coating portion is closer to the first tab relative to the second coating portion, and a first parameter of the first coating portion is greater than a first parameter of the second coating portion; a third coating portion and a fourth coating portion are provided in sequence on a surface of the negative electrode sheet, and a first parameter of the third coating portion is greater than a first parameter of the fourth coating portion; and the first parameter is a compaction density or an areal density, and the first coating portion and at least part of the second coating portion are located in the orthographic projection of the third coating portion on the positive electrode sheet.
Absstract of: WO2025223114A1
The present application relates to a battery and an electrical apparatus. The battery comprises a case body, a battery cell and a thermal management component, the battery cell being arranged in the case body, and the thermal management component being arranged in the case body and used for accommodating a heat exchange medium so as to adjust the temperature of the battery cell. The thermal management component comprises: a heat exchange tube, having a heat exchange flow channel, end portions of the heat exchange tube being ports of the heat exchange flow channel; and current collectors, fitted to the end portions of the heat exchange tube and communicated with the ports, wherein the heat exchange medium can flow into the heat exchange flow channel from the current collectors or flow into the current collectors from the heat exchange flow channel, and at least one of the current collectors and the heat exchange tube is a plastic structure. In the present application, the current collectors are fitted to the end portions of the heat exchange tube, and connection between the current collectors and the heat exchange tube is achieved by means of connection members, such that the heat exchange tube and the current collectors can be well attached via the surfaces of the end portions, and the connection between the heat exchange tube and the current collectors is achieved by means of the connection members, thus improving the connection stability between the heat exchange tube and t
Absstract of: WO2025222457A1
The present invention relates to a battery pack (100) and an electric device. The battery pack (100) comprises a first housing (10), a battery cell assembly (20), a first member (30) and a top cover (40). The battery cell assembly (20) is arranged in the first housing (10), and comprises a plurality of battery cells (21). The first member (30) and the battery cell assembly (20) are arranged in a first direction, and the first member (30) comprises a bottom wall (31) and a plurality of side walls (32), wherein the side walls (32) are connected to the bottom wall (31), each side wall (32) is provided with a first opening (32a), and each first opening (32a) penetrates the corresponding side wall (32). The top cover (40) is connected to the first housing (10), and the top cover (40) and the first member (30) form a first space (401). The first member (30) and the battery cell assembly (20) form a second space (301), and the first openings (32a) communicate the first space (401) and the second space (301). When the battery cell assembly (20) undergoes thermal runaway or pressure relief, a gas and/or flame enters the first space (401) from the second space (301) through the first openings (32a), which can extend a pressure relief path, and increase collision between the gas and the first member (30) and collision between the first member (30) and the flame, thereby lowering the temperature of the gas, and eliminating part of the flame, thus facilitating flame extinguishing, lowerin
Absstract of: WO2025222283A1
A fluid-immersion shredder is provided. The shredder includes a wall structure defining a chamber configured to contain a liquid. At least a portion of the wall structure includes an interior wall adjacent an exterior wall, the interior wall and exterior wall having an opening therethrough. The shredder further includes a drive shaft extending through the opening and into the chamber. The shredder further includes a sealing assembly extending radially around the drive shaft at least in the area of the opening, the sealing assembly including a metal-faced seal assembly, such as a CAT® seal in the area between the opening in the exterior wall structure and the shaft.
Absstract of: WO2025222456A1
A battery cell (100), a battery (1000), and an electrical apparatus (2000). The battery cell (100) comprises: an electrode assembly (20), the electrode assembly (20) comprising, arranged in a stacked configuration, a plurality of electrode sheets and a separator. In the stacking direction, the plurality of electrode sheets at least comprise a first electrode sheet (21) and a second electrode sheet (22) which are located at two opposite ends in the stacking direction, the second electrode sheet (22) comprising a main body part (221) and tabs (222). The side of the second electrode sheet (22) facing away from the first electrode sheet (21) is provided with a protection member (25), the protection member (25) covering at least a portion of the main body part (221) of the second electrode sheet (22) and extending to at least one edge of the main body part (221).
Absstract of: WO2025225849A1
A battery system according to an embodiment of the present invention comprises: lower control devices that individually control a plurality of batteries; and an upper control device that manages the plurality of lower control devices, wherein at least one of the lower control devices may identify the operating state of the battery system, and when the battery system is initialized and operating, may identify an identifier pre-stored in a storage space and perform initialization by itself.
Absstract of: WO2025225906A1
According to one embodiment of the present invention, a bipolar unit cell, a manufacturing method therefor, and a bipolar battery structured as two or more stacked bipolar unit cells are provided, the bipolar unit cell comprising: a positive electrode including a positive electrode current collector and a positive electrode material layer, which is formed on one surface of the positive electrode current collector so that a positive electrode uncoated portion is formed on the edge thereof; a negative electrode including a negative electrode current collector and an negative electrode material layer, which is formed on one surface of the negative electrode current collector so that an negative electrode uncoated portion is formed on the edge thereof; and a separator, wherein the positive electrode material layer and the negative electrode material layer are stacked to face each other with the separator interposed therebetween, and at least one selected from the group consisting of the positive electrode material layer, the negative electrode material layer, and the separator contains a cured gel electrolyte.
Absstract of: WO2025225933A1
The present disclosure relates to a secondary battery. The technical problem to be solved is to provide a secondary battery, wherein a separate terminal is configured to be connected by welding, thereby reducing the overall thickness of the terminal compared to the prior art, and thus ensuring a relatively large battery capacity. To this end, the present disclosure provides a secondary battery comprising: an electrode assembly having a first electrode plate, a separator, and a second electrode plate; a cylindrical case in which the electrode assembly is accommodated; and a terminal coupled to a through-hole formed in the upper surface of the case. The terminal comprises: a first terminal plate coupled to the through-hole of the case; and a second terminal plate and a third terminal plate coupled to one side and the other side of the first terminal plate, respectively. The first terminal plate and the second terminal plate are coupled to each other by welding, and the first terminal plate and the third terminal plate are coupled to each other by welding.
Absstract of: WO2025225857A1
The present invention relates to an electrode current collector, a manufacturing method therefor, and a secondary battery electrode assembly comprising same, the collector comprising: a first metal layer; a polymer resin layer provided on one surface of the first metal layer; and a second metal layer provided on one surface of the polymer resin layer, wherein in some region of an uncoated part corresponding to an electrode tab, the polymer resin layer is removed so that the first metal layer and the second metal layer face each other.
Absstract of: WO2025223113A1
The present application relates to a battery, an electric device and a manufacturing process for a thermal management component. The battery comprises a case, battery cells and a thermal management component, wherein the battery cells are disposed in the case; and the thermal management component is disposed in the case and is configured to accommodate a heat exchange medium to regulate the temperatures of the battery cells. The thermal management component comprises: a heat exchange tube, which has a heat exchange flow channel, wherein an end of the heat exchange tube serves as a port of the heat exchange flow channel; a current collector, which is fitted to the end of the heat exchange tube and is in communication with the port; and an adapter, which is connected between the heat exchange tube and the current collector and is configured to connect to the current collector and the heat exchange tube in a sealing manner. In the present application, the adapter is disposed between the heat exchange tube and the current collector, and connection and fixation between the heat exchange tube and the current collector are realized by means of the adapter. The adapter is connected between the current collector and the heat exchange tube in a sealing manner, such that the current collector and the heat exchange tube are fitted more tightly, and the heat exchange tube and the adapter are connected stably, thereby improving the stability of connection between the heat exchange tube and
Nº publicación: WO2025223153A1 30/10/2025
Applicant:
HEFEI GOTION HIGH TECH POWER ENERGY CO LTD [CN]
\u5408\u80A5\u56FD\u8F69\u9AD8\u79D1\u52A8\u529B\u80FD\u6E90\u6709\u9650\u516C\u53F8
Absstract of: WO2025223153A1
The present application relates to the technical field of battery packs. Provided is a power battery pack. The power battery pack comprises: a plurality of battery cell groups, wherein each battery cell group comprises a plurality of battery cells, which are sequentially arranged in the planar direction of each battery cell, and the battery cell groups are sequentially arranged in the direction of the thickness of each battery cell; and a plurality of liquid cooling plates, which extend in the extension direction of the battery cell groups, wherein each liquid cooling plate corresponds to at least one battery cell group; each liquid cooling plate comprises a side plate portion and a bottom plate portion that are connected to each other; each side plate portion fits with a side surface of the corresponding battery cell group, and each bottom plate portion fits with a bottom end face of the corresponding battery cell group; and each side plate portion at least serves as a cooling portion, and each bottom plate portion at least serves as a heating portion. The power battery pack of the present application has strong temperature regulation capability and good fast-charging performance, and is easy to disassemble.
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