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1450
results.
Updated on
18/07/2025 [07:37:00]
Results 575 to 600 of 1450
Absstract of: US2025226483A1
A pipe connection structure includes a first pipe joint, a second pipe joint and a limiting structure; the second pipe joint and the first pipe joint are connected through insertion, an outer surface of the second pipe joint is provided with a first fitting structure, an end of the limiting structure is connected to the first pipe joint, and another end is provided with a second fitting structure; in a direction of the insertion, the second fitting structure and the first fitting structure are fitted to block each other, and the second fitting structure and the first fitting structure are fitted with a clearance.
Absstract of: US2025226551A1
An electrochemical apparatus includes an electrode plate. The electrode plate includes a current collector, an active material layer arranged on a surface of the current collector, and a plurality of electrode tab connection portions, where each electrode tab connection portion includes a first part and a second part, and in an unfolded state of the electrode plate, the first parts of the plurality of electrode tab connection portions extend from an edge of the current collector along a width direction of the electrode plate and are spaced apart from each other, and the second parts are arranged on surfaces of the first parts and are electrically connected to the first parts.
Absstract of: US2025226521A1
The present application provides a battery cell, a battery and an electrical device, wherein the battery cell comprises: a case having an accommodating space and an opening communicated with the accommodating space; an electrode assembly accommodated in the storage space; an end cover closing the opening; an electrode terminal provided in the case, the electrode terminal being electrically connected to the electrode assembly; and a pressure relief portion provided in the end cover, the pressure relief portion being used to release an internal pressure of the case. In the technical solution of the present application, the electrode terminal and the pressure relief portion of the battery cell are disposed on different surfaces, which can reduce the risk of the conductive discharge discharged through the pressure relief portion being connected to the electrode terminal and causing a short-circuit of the electrode terminal when the battery cell is in thermal runaway.
Absstract of: US2025226550A1
An electrode plate, where the electrode plate includes a current collector, an active material layer, and a tab connection sheet, and when the electrode plate is in an unfolded state, the current collector includes a first part and a second part in a width direction of the electrode plate, the active material layer is disposed on a surface of the first part, the tab connection sheet overlaps with a surface of the second part to form an overlap region, and the tab connection sheet is welded to the surface of the second part to form an electrical connection to the second part, where in a length direction of the electrode plate, an area ratio of a weld mark to a welding region is greater than or equal to 20%, and a length ratio of the welding region to the overlap region is greater than or equal to 60%.
Absstract of: US2025226449A1
Batteries such as Li-ion batteries are provided that comprise anode and cathode electrodes, an electrolyte ionically coupling the anode and the cathode, and a separator electrically separating the anode and the cathode. In some designs, the electrolyte may comprise, for example, a mixture of (i) a Li-ion salt with (ii) at least one other metal salt having a metal with a standard reduction potential below −2.3 V vs. Standard Hydrogen Electrode (SHE). In other designs, the electrolyte may be disposed in conjunction with an electrolyte solvent that comprises, for example, about 10 to about 100 wt. % ether. In still other designs, the battery may further comprise anode and cathode interfacial layers (e.g., solid electrolyte interphase (SEI)) disposed between the respective electrode and the electrolyte and having different types of fragments of electrolyte solvent molecules as compared to each other.
Absstract of: US2025226432A1
An electrode assembly, a battery, a battery pack and a vehicle including the same are provided. In the electrode assembly, the uncoated portion of an electrode includes a segment region divided into a plurality of segments, and the segment region includes a plurality of segment groups separated by a group separation pitch along a winding direction. One end of the electrode assembly includes a plurality of segment alignments. In winding turns corresponding to the plurality of segment alignments, group separation pitches of segment groups disposed in a same winding turn are substantially identical, and separation pitches of the segment groups is greater in a winding turn of a region adjacent to the outer circumference of the electrode assembly than in a winding turn of a region adjacent to the core of the electrode assembly.
Absstract of: US2025226465A1
A module for providing power to a battery-operated device having a body in which is formed a battery compartment and a cover having one or more first elements cooperable with one or more second elements provided to the body for releasably positioning the cover over the battery compartment. The module has an energy-generating surface, an energy storage device coupled to the energy-generating surface, and a storage device cover positionable over the energy-generating surface. The storage device cover has one or more third elements cooperable with the one or more second elements provided to the body for releasably positioning the module cover over the battery compartment when the energy storage device is positioned within the battery compartment in engagement with one or more electrical contacts positioned within the battery compartment.
Absstract of: WO2025147019A1
The present invention relates to a rechargeable battery that can be charged and discharged and a method for manufacturing the rechargeable battery that can be charged and discharged. A rechargeable battery according to one embodiment of the present invention may comprise: a plurality of electrode assemblies each having an electrode tab bundle; an intermediate electrode interposed between the plurality of electrode assemblies; and a case for accommodating the plurality of electrode assemblies and the intermediate electrode.
Absstract of: WO2025147017A1
The technical concept of the present invention is to provide a battery pack comprising: a pack housing including a first support structure; and a battery assembly accommodated in the pack housing, wherein the battery assembly includes: a cell block including a plurality of battery cells stacked in a first direction; a frame including a first side cover and a second side cover spaced apart from each other in the first direction with the cell block therebetween; and a top cover that includes a central part, which is coupled to the frame so as to cover the cell block, and a first outer part, which protrudes from the first side cover to the outside, the first outer part being fastened to the first support structure. A first buffer space extending in the first direction is provided between the first side cover and the first outer part of the top cover.
Absstract of: WO2025146972A1
The present invention relates to a battery fire extinguishing device using battery temperature sensing, the battery fire extinguishing device using battery temperature sensing comprising a battery control unit (10), a vacuum pump device (20), battery cells (51, 52, 53...61, 62, 63....71, 72, 73...), and a gas supply device (30), wherein: the battery control unit (10) is operated by receiving power from the outside or from a battery power supply unit and comprises a vacuum pump device control unit, a gas supply device control unit, a battery cell temperature sensing unit, and a battery cell pressure sensing unit; the battery cells (51, 52, 53,...61, 62, 63,...71, 72, 73...) each have a solenoid valve (51-1, 52-1, 53-1, 61-1, 62-1, 63-1, 71-1, 72-1, 73-1) connected to one side thereof; the solenoid valves are electrically connected to the vacuum pump device (20); the battery cells (51, 52, 53,...61, 62, 63,...71, 72, 73...) each have a check valve (51-2, 52-2, 53-2, 61-2, 62-2, 63-2, 71-2, 72-2, 73-2) connected to the other side thereof; and the check valves are electrically connected to the gas supply device (20).
Absstract of: WO2025146975A1
The present invention relates to a battery pack including: a plurality of battery cells; and a pack case configured to accommodate the plurality of battery cells and having, in an inner space thereof, a venting flow path configured to allow a venting gas discharged from the battery cells to flow therethrough, and a cooling flow path provided on at least one side of the venting flow path and configured to allow a cooling medium to flow therethrough.
Absstract of: WO2025147008A1
The present invention provides a battery module structure and a manufacturing method therefor, the structure comprising: a plurality of battery cells, each having a pair of electrode leads that protrude upward and being arranged in the width direction; a frame having an open upper side thereof and accommodating the plurality of battery cells; and an insulating resin filling at least a portion of the empty space between the plurality of battery cells and the frame.
Absstract of: WO2025145956A1
The present application relates to a battery management assembly, a battery pack, and a vehicle. The battery management assembly comprises a plurality of second circuit modules and a plurality of first circuit modules. The battery management assembly comprises: a first substrate, wherein the first substrate is provided with a plurality of first mounting positions for mounting the first circuit modules, at least two of the plurality of first mounting positions are connected to each other, and the plurality of first circuit modules are mounted on the plurality of first mounting positions; and a second substrate, wherein the second substrate is provided with a plurality of second mounting positions for mounting the second circuit modules, the plurality of second circuit modules are mounted on the plurality of second mounting positions, and the first substrate and the second substrate are electrically connected. By means of the technical solution of the present application, the electrical connection reliability is greatly improved, automatic production can be implemented, and production costs are greatly reduced.
Absstract of: WO2025145789A1
Provided in the embodiments of the present application are a battery and a control apparatus that allow an electrical device to be used normally when any battery module in the battery has an anomaly or is about to have an anomaly. The battery comprises a plurality of battery modules; and an on-off assembly which comprises a first on-off assembly, the first on-off assembly being connected to a first battery module among the plurality of battery modules. When a battery state parameter of the first battery module reaches a threshold value, the first on-off assembly is configured to cut off the connection to the first battery module and make a connection to the other battery modules among the plurality of battery modules.
Absstract of: WO2025145776A1
The present application discloses a thermal management component, a battery, and an electric device. The thermal management component comprises a heat exchange tube and a first current collector; the heat exchange tube has a first end; a first flow channel used for accommodating a heat exchange medium is formed in the first current collector; the first flow channel has a first inner surface and a second inner surface which are oppositely arranged in a first direction; the first end is inserted into the first flow channel, and the first end is attached to at least one of the first inner surface and the second inner surface. Therefore, the size of the thermal management component in the first direction can be optimized, thereby reducing the space occupied by the thermal management component in the first direction, improving the energy density of a battery using the thermal management component.
Absstract of: WO2025145777A1
The present application provides a heat exchange assembly, a case body, a battery and an electrical apparatus. The heat exchange assembly comprises a heat exchange piece, a current collecting piece and a sleeve; the heat exchange piece is provided with a flow channel extending in a first direction, the current collecting piece being arranged at the two ends of the heat exchange piece in the first direction; the current collecting piece is provided with fluid inlets/outlets, the fluid inlets/outlets leading to the flow channel; the sleeve is mutually sleeved on at least one of the heat exchange piece and the current collecting piece, and is connected to the heat exchange piece and the current collecting piece. The heat exchange assembly provided by the present application helps to improve the connection strength of the current collecting piece and the heat exchange piece and the overall structural strength of the heat exchange assembly, thereby helping to improve the reliability of batteries.
Absstract of: WO2025145878A1
The application discloses a negative pole piece and a preparation method therefor, a battery, and an electrical apparatus. The negative pole piece comprises: a negative electrode current collector and a negative electrode active material layer. The negative electrode active material layer is arranged on at least one side of the negative electrode current collector. The negative electrode active material layer comprises dielectric material particles, and the volume average particle size Dv50 of the dielectric material particles is D 1 , wherein D 1 is 400 nm -2000 nm. On the basis of the total mass of the negative electrode active material layer, the proportion of the dielectric material particles is 0.1% -10%. Therefore, the negative pole piece in the present application uses the dielectric material particles having the described particle size and content, such that the quick charging performance of the battery can be improved.
Absstract of: WO2025145748A1
The present application relates to the technical field of batteries, and provides a winding device and a winding method. The winding device comprises a feeding mechanism and a winding needle. The feeding mechanism is used for conveying an electrode sheet and a separator, and the winding needle is used for winding the electrode sheet and the separator which are conveyed by the feeding mechanism to form an electrode assembly, wherein the relationship between the diameter r of the winding needle and the diameter R of the electrode assembly formed by winding satisfies: (R/r)>10.
Absstract of: WO2025145866A1
The present application provides an energy equalization system and an energy storage system. The energy equalization system is arranged outside an energy storage device, and the energy balance system comprises at least two equalization circuits. In the same time period, a first equalization circuit is used for discharging a first energy storage unit, and a second equalization circuit is used for charging a second energy storage unit, thereby achieving energy equalization of the energy storage units in the energy storage device. Switching circuits arranged in the energy equalization system can realize the sharing of the equalization circuits between the energy storage units, thereby improving the utilization rate of the equalization circuits, and reducing energy equalization costs. Moreover, in the energy equalization system, equalization modules arranged in the energy storage units are replaced with the equalization circuits having large power, so that the energy equalization costs are reduced, the equalization power is increased, and the equalization time is shortened.
Absstract of: WO2025146987A1
The present invention relates to a jig for pressurizing a pouch-type secondary battery, and a method for inspecting a pouch-type secondary battery using same, wherein the jig for pressurizing a pouch-type secondary battery comprises: a first pressurizing unit including a first pressurizing plate provided such that a second side of a pouch-type secondary battery is settled; a second pressurizing unit provided so as to pressurize a first side of the pouch-type secondary battery, the second pressurizing unit including a second pressurizing plate provided with air holes formed such that a fifth side and a sixth side are in communication with each other; and an air injection unit provided so as to inject air onto the first side of the pouch-type secondary battery through the air holes.
Absstract of: WO2025146988A1
The present invention relates to a fire-detecting smoke control apparatus for a charger/discharger, the apparatus comprising: a battery pack receiving space in which a battery pack is charged/discharged; a fire detector which is provided on one side of the battery pack receiving space; and a plurality of fans which draw or expel air into or from the battery pack receiving space, wherein when the fire detector detects a fire, some or all of the fans are switched to expelling air.
Absstract of: WO2025146977A1
The present invention relates to a battery pack comprising: a plurality of battery cells; and a pack case including a body frame, which is configured to accommodate the plurality of battery cells and has an open end formed on at least one side thereof, and a cover frame, which is provided at the open end of the body frame so as to be located on the side from which venting gas is discharged from the plurality of battery cells and has a cooling flow path formed in an inner space and configured so that a cooling medium flows.
Absstract of: WO2025146588A2
A system, method, and apparatus for disassembling a pouch cell of a battery is provided that allows for the pouch cell to be loaded onto a disassembly apparatus, the pouch cell to be cut, the cell to be torn down, the plates to be imaged and observed for defects, and the disassembled materials separated for recycling. Because the disassembly can be carried out within the apparatus and performed automatically, the efficiency of the disassembly is increased and the health and safety risks for operators are reduced. For example, hazardous gases or other toxic materials are isolated from the operators, who can remain outside the apparatus. In addition, images of disassembled plates are taken, recorded, and stored, which reduces inconsistencies and operator error. The information recorded for each disassembled cell may also be sent to or made accessible to other areas of an organization or other entities.
Absstract of: WO2025145775A1
A battery cover plate assembly and a power battery. The battery cover plate assembly comprises a cover plate piece (1), a conductive piece (2) and a terminal (3). The cover plate piece (1) is provided with a first connecting hole (11); the conductive piece (2) is provided with a second connecting hole (21); the conductive piece (2) is mounted on the outer side of the cover plate piece (1), and the conductive piece (2) is configured such that a busbar (7) is welded thereto; a first end of the terminal (3) is folded outwards to form a first flange (31); a connecting wall (32) having a preset wall thickness is provided at a second end of the terminal (3), the inner side of the connecting wall (32) being configured to be welded to a current collector disc (8); a second flange (33) is provided on the outer edge of the connecting wall (32); after the second end of the terminal (3) successively passes through the first connecting hole (11) and the second connecting hole (21) from the inner side of the cover plate piece (1), the first flange (31) abuts against the inner wall of the cover plate piece (1); and the second flange (33) is folded outwards so as to be riveted to the side of the conductive piece (2) away from the cover plate piece (1).
Nº publicación: WO2025145948A1 10/07/2025
Applicant:
GUANGDONG BAK BENHOO TECH CO LTD [CN]
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Absstract of: WO2025145948A1
The present utility model relates to a battery module for a self-balancing vehicle. The battery module comprises a casing and a battery cell group mounted in the casing, wherein one end of the battery cell group is mounted on a first battery cell holder, and the other end thereof is mounted on a second battery cell holder, and an acquisition board is connected to the first battery cell holder, a charge and discharge connector cable is connected to the acquisition board, and the charge and discharge connector cable extends outwards through the casing; several integrally-formed positioning posts and snap-fit fasteners are provided on the side of the first battery cell holder that is close to the acquisition board, and downwardly-extending snap-fit posts and first mounting recesses for mounting the upper ends of the battery cell group are provided on the other side of the first battery cell holder; and insertion slots matching the snap-fit posts and second mounting recesses for mounting the lower ends of the battery cell groove are provided on the side of the second battery cell holder that is close to the battery cell group. By means of a rational configuration, the present utility model can effectively improve the space utilization rate and save the production cost, and has good structural stability, facilitates mounting and dismounting, and can meet the production and processing requirements.
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