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1729
results.
Updated on
19/03/2026 [07:23:00]
Results 350 to 375 of 1729
Absstract of: US20260074264A1
An apparatus for manufacturing a battery cell for processing a sealing part of a battery cell, the sealing part being formed on one side of a body part in which an electrode assembly is accommodated, includes: a support unit including a first support portion and a second support portion supporting the battery cell in different directions; and a pressing unit moving toward the support unit to bend the sealing part, wherein the first support portion reciprocates in a first direction, the second support portion reciprocates in a second direction, and the second direction is inclined with respect to the first direction.
Absstract of: US20260074373A1
The disclosure provides a battery, including a first electrode plate and a separator, the first electrode plate including a first current collector and a first coating located on a surface of the first current collector. The first coating is connected to the separator; and a surface of the first coating is provided with a recess, and an air permeability S of the separator and a width L of the recess satisfy: 5000 μm·sec/100 cc≤S×L≤75,000 μm·sec/100 cc, where S is in sec/100 cc and L is in μm. The disclosure can improve the rate capability of the battery while reducing the voltage drop of the battery and reducing the risk of short circuit.
Absstract of: US20260074392A1
Battery cells, including a connection point for electrically contacting the battery cell by a cell connector, wherein a surface of the connection point facing away from the battery cell has an inner section, an outer section, and a bending point at which the inner section merges into the outer section, and wherein the outer section of the surface descends with respect to the bending point, are provided. Systems including a battery cell and a cell connector corresponding to the battery cell, wherein the cell connector has a respective contact surface for electrical contacting of the battery cell, and the respective contact surface of the cell connector has a deformation that deviates from a plane in a predetermined manner, are further provided. Methods for producing a battery cell assembly are further provided.Battery cell assemblies are further provided.
Absstract of: US20260074400A1
The present disclosure provides a bonding structure, a bonding method, an insulating adhesive tape, and a battery. The insulating adhesive tape includes a first bonding area and a second bonding area disposed at intervals, and a non-bonding area disposed between the first bonding area and the second bonding area. The first bonding area is configured to bond a cell, the second bonding area is configured to bond a welding area formed by a tab of the cell and a current collector, and the non-bonding area is configured to correspond to a bending area of the tab.
Absstract of: US20260074380A1
Sealed busbar assemblies are provided for use within traction battery packs. An exemplary sealed busbar assembly may be configured to electrically connect a first battery array and a second battery array of the traction battery pack. Primary seals and secondary seals of the sealed busbar assembly may cooperate to seal high voltage connections relative to both the first battery array and the second battery array. The high voltage connections may be established by the busbar, a pair of fasteners, and high voltage array busbars of both the first battery array and the second battery array.
Absstract of: US20260074360A1
A battery pack for housing a plurality of cell assemblies includes a pack case providing a space for a cell assembly to be seated. The pack case includes: a base plate supporting the lower part of a cell assembly; and a hollow-structured side wall coupled along a border of the base plate to support a side part of the cell assembly. The side wall includes: a gas flow path through which gas can move therein; and a through-hole formed on the gas flow path such that the gas flow path communicates with a space in the pack case, the side wall being coated with a protective layer including at least one among an insulating material and a flame retardant on the inside.
Absstract of: WO2026051698A1
The present application provides a thermal management system for dissipating heat from a battery pack, and an energy storage device. In the thermal management system, an output end of a compressor is in communication with a condenser and is connected to an evaporator, and is also directly connected to an input end of the evaporator by means of a bypass branch. The input end of the evaporator can selectively receive a low-temperature refrigerant from the condenser and a high-temperature gaseous refrigerant from the compressor, and the two are mixed in the evaporator, so that the low-temperature refrigerant is heated by the high-temperature gaseous refrigerant. Thus, in a low-temperature environment, the degree of superheat of a refrigerant flowing out of the evaporator can be effectively increased, preventing liquid refrigerant from being drawn into the condenser under low-temperature conditions, and eliminating the risk of drawing in air together with liquid in the condenser, thereby increasing the reliability of operation of the condenser in a low-temperature state.
Absstract of: WO2026051630A1
Provided in the present application is a battery, comprising a battery cell main body, a bottom adhesive layer and a head adhesive layer, wherein the battery cell main body comprises a top surface and a bottom surface, and a first side surface, a second side surface, a third side surface and a fourth side surface which are located between the top surface and the bottom surface and are successively connected end to end in a circumferential direction; the second side surface has a stepped surface, the stepped surface comprising a first side surface region, a vertical surface region and a second side surface region which are successively connected, and the second side surface region protruding outwards with respect to the first side surface region; the bottom adhesive layer is located at the bottom of the battery cell main body and is provided with a first notch at a position close to or corresponding to the vertical surface region; the head adhesive layer is located at the top of the battery cell main body and is provided with a second notch at a position close to or corresponding to the vertical surface region. By means of the stepped surface, the battery can be adapted to a battery compartment structure having a local protrusion, thereby helping to improve the space utilization rate of entire devices and improve the battery capacity.
Absstract of: WO2026051632A1
The present application relates to a secondary battery and an electronic device. Specifically, the present application provides a secondary battery, comprising a positive electrode, a negative electrode and an electrolyte, wherein the positive electrode comprises a positive electrode current collector, and an insulating layer and a positive electrode material layer which are provided on the positive electrode current collector, the insulating layer comprises boehmite, the positive electrode material layer comprises a nickel-cobalt-manganese ternary material, and the electrolyte comprises at least two dinitrile compounds. The present application can not only improve the short-circuit safety of the battery, but also reduce gas production at high temperature.
Absstract of: WO2026051631A1
The present application relates to a secondary battery and an electronic device. Specifically, the present application provides a secondary battery, comprising: a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode comprises a positive electrode current collector, and an insulating layer and a positive electrode material layer which are provided on the positive electrode current collector; the insulating layer comprises boehmite, the positive electrode material layer comprises a lithium cobalt oxide, the lithium cobalt oxide comprises element tungsten and element tin, and the electrolyte comprises vinylene carbonate. The present application can not only improve the short-circuit safety of batteries, but also enhance high-rate discharge characteristics.
Absstract of: WO2026051252A1
Provided in the present application are a precursor having a porous isolation layer, a positive electrode material, and the preparation therefor and the use thereof. The precursor comprises an inner core, a porous isolation layer covering the inner core, and an outer shell covering the porous isolation layer. The porosity of the porous isolation layer is higher than the porosities of the inner core and the outer shell. The precursor provided by the present application has the porous isolation layer, which blocks the propagation of micro-cracks and provides more space for release of stress built-up by volume expansion/contraction during deep charge and discharge processes, thereby ensuring that a positive electrode material prepared by the precursor has a stable structure and shape during cycle processes, and improving the cycle performance of batteries containing the positive electrode material prepared from the precursor.
Absstract of: WO2026051291A1
A secondary battery and a manufacturing method therefor, an electrode sheet, and an electric device (6). The secondary battery comprises an electrode sheet; the electrode sheet comprises a current collector and an electrode active layer disposed on at least one surface of the current collector; and the electrode active layer comprises an electrode active material and a polymer binder. The polymer binder comprises a core and a shell covering at least part of the surface of the core; at least one of the shell and the core comprises a polymer; both the shell and the core have hole structures; and the number of holes in the shell is greater than that of holes in the core.
Absstract of: WO2026051235A1
Disclosed in the present application is a battery liquid cooling system, comprising: a battery module formed by stacking a plurality of battery cells; a battery casing, an accommodation recess being provided in the battery casing, and the battery module being assembled in the accommodation recess; flow channel plates, located between at least two adjacent battery cells, liquid cooling flow channels being provided in each flow channel plate, and the liquid cooling flow channels being spaced apart from the battery cells, or each flow channel plate being attached to a side surface of a battery cell on at least one side to form liquid cooling flow channels; an immersion liquid inlet, a cooling liquid being introduced into the accommodation recess through the immersion liquid inlet; and an immersion liquid outlet, the immersion liquid outlet being in communication with the accommodation recess, and the liquid cooling flow channels being in communication with the accommodation recess.
Absstract of: US20260074274A1
A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to the case to seal the case, and the case includes a bottom portion, long side portions bent and extended from the bottom portion, a first short side portion bent and extended from the bottom portion, and second short side portions bent and extended from the long side portions, and the first short side portion and the second short side portions are connected to one another to define a short side portion.
Absstract of: US20260074268A1
A method for manufacturing an electrode assembly includes preparing a cell stack and forming a bonding part. In the preparing, a first electrode and a second electrode having a width greater than that of the first electrode are alternately stacked with a separator therebetween. In the forming, a bonding part is folded toward the cell stack by bonding the plurality of separators protruding outward further than the first electrode and the second electrode to each other. An electrode assembly is also provided.
Absstract of: US20260074269A1
Provided is a pressing apparatus for a secondary battery for improving the efficiency of a secondary battery manufacturing process and the performance or structural stability of the secondary battery. The pressing apparatus for the secondary battery includes a case part for arranging a plurality of secondary batteries along one direction, an end plate configured to be movable inside the case part in the one direction and apply pressure to the secondary batteries in the one direction, a pulley part connected to one side of the end plate, and a wire part configured to be wound around the pulley part and to transmit power in the one direction to the pulley part to move the end plate along the one direction.
Absstract of: US20260074271A1
This application discloses a down-pressing mechanism, a pressurizing apparatus, and a battery production device. The down-pressing mechanism includes a pitch adjustment unit and multiple down-pressing members, where the pitch adjustment unit includes a base plate and multiple pitch adjustment members arranged sequentially along a first direction on the base plate. At least one pitch adjustment member is capable of moving along the first direction. Each down-pressing member is connected to a corresponding pitch adjustment member. The down-pressing members are configured to press a product.
Absstract of: US20260074272A1
Disclosed is an assembly comprising at least one cell comprising an exterior surface; a bag with an interior surface and an exterior surface, wherein the bag surrounds the at least one cell; an inert gas filling a space between the interior surface of the bag and the exterior surface of the at least one cell; and a casing surrounding the bag, wherein the bag exerts a compressive pressure, via the inert gas, on the at least one cell.
Absstract of: US20260074261A1
A pressing apparatus according to embodiments of the present disclosure may include a driver, a cylinder configured to move in response to driving of the driver, and a regulator configured to control an internal pressure of the cylinder, wherein the cylinder moves upwardly by a first distance in response to driving of the driver, and a portion of the cylinder is configured to move upwardly by a second distance in response to the internal pressure of the cylinder controlled by the regulator to provide a pressing force to at least a portion of a secondary battery.
Absstract of: US20260074405A1
A battery assembly including a case having an accommodation space formed therein; a plurality of cells positioned in the accommodation space and aligned in one direction; a plurality of sensors configured to measure at least one of voltage or temperature of at least some of the cells; a fire extinguishing pipe connected to a fire extinguishing device, at least a part of the fire extinguishing pipe being positioned in the accommodation space; a heating member positioned adjacent to the fire extinguishing pipe; and a controller configured to control a power source to apply current to the heating member based on information associated with the cells received from the sensors.
Absstract of: US20260074403A1
A secondary battery, including an electrode assembly including a plurality of electrode plates, a battery can accommodating the electrode assembly, the battery can having a first surface corresponding to a side portion of the electrode assembly and a second surface corresponding to a surface of one of the plurality of electrode plates of the electrode assembly, and at least one injection hole in the second surface of the battery can.
Absstract of: US20260074386A1
An electrode output component, a cover plate assembly, and a battery cell are provided. The electrode output component includes a pole and a terminal. An outer peripheral surface of the pole is provided with an abutting portion. The terminal includes a first through hole. The first through hole is sleeved on one end of the pole and abuts against the abutting portion along an axial direction of the pole. A contact portion between the pole and the terminal are engaged with each other.
Absstract of: US20260074389A1
Disclosed is a battery cell, which includes an electrode assembly having a cell body and an electrode tab extending from the cell body; a cell case having an accommodation portion configured to accommodate the electrode assembly and a circumferential portion extending outward from the accommodation portion; an electrode lead electrically coupled to the electrode tab; and a conductive frame disposed on a first surface of the circumferential portion and electrically coupled to the electrode lead through the first surface of the circumferential portion.
Absstract of: US20260074404A1
A double-sealed battery top cover assembly, which includes an upper cover, a terminal post, a sealing ring, an upper insulating part, a riveting block, and a sealant. The bottom of the terminal post is provided with a mounting plate, the upper insulating part is arranged between the upper cover and the riveting block, the upper insulating part is provided with a flow guiding groove communicated with a clearance space, the riveting block is provided with a filling port communicated with the flow guiding groove, and the sealant and the sealing ring form a double seal for the clearance space. Through a double seal function of the sealing ring and the sealant, electrolyte leakage in a short-circuit test is avoided.
Nº publicación: WO2026051493A1 12/03/2026
Applicant:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Absstract of: WO2026051493A1
The present application provides a battery apparatus (100) and an electric device. The battery apparatus (100) comprises: a case (2); a battery cell (10) arranged inside the case (2); and a low-voltage acquisition assembly (3) arranged inside the case (2), the low-voltage acquisition assembly (3) being used for acquiring operating state parameters of the battery cell (10), and the operating state parameters including voltage and temperature. The low-voltage acquisition assembly (3) comprises: a first sampling member (31), the first sampling member (31) being connected to the battery cell (10) so as to acquire the voltage of the battery cell (10); a second sampling member (32), one end of the second sampling member (32) being detachably connected to the first sampling member (31) so as to transmit the voltage; a third sampling member (33), the third sampling member (33) being detachably connected to the other end of the second sampling member (32) so as to transmit the voltage; and a fourth sampling member (34), the fourth sampling member (34) being connected to the second sampling member (32) so as to acquire the temperature of the battery cell (10).
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