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1263
results.
Updated on
26/12/2025 [07:11:00]
Results 1150 to 1175 of 1263
Absstract of: KR20250173668A
본 발명은 전기자동차에 구비되는 리튬이온배터리의 특정 배터리모듈에서 화재가 발생하는 경우에 배터리 팩 케이스의 내부로 소화약제와 R410A 냉각가스를 투입하여 효과적이고 신속하게 화재를 초기에 진압할 수 있도록 하는 전기자동차 리튬이온배터리의 열폭주 화재 발생시 소화 시스템에 관한 것으로, 다수의 배터리 모듈이 수용되는 배터리 팩 케이스에 연결되며, 소화강화액과 냉각가스가 상기 배터리 팩 케이스 내부로 투입되도록 하는 소화제투입부를 포함하되, 상기 냉각가스는 R410A를 사용하는 것을 특징으로 한다. 이때, 상기 소화제투입부는 소화강화액이 상기 배터리 팩 케이스 내부로 분사된 후 R410A 냉각가스가 상기 배터리 팩 케이스 내부로 분사되도록 구성되는 것이 바람직하다.
Absstract of: US2025367702A1
Proposed is a dual slot die coater, which includes a first die block provided with a first manifold for accommodating the first coating material, a second die block provided on one side of the first die block, a third die block interposed between the first die block and the second die block, a second manifold provided in either the second die block or the third die block and accommodating a second coating material, and a temperature controller provided in the first die block and capable of controlling temperature.
Absstract of: US2025372688A1
A laser welding apparatus for a secondary battery is provided, with the laser welding apparatus being configured such that a fixing force for a current collector of a secondary battery is improved. The laser welding apparatus reduces the likelihood of human errors and defects in a process of welding the current collector of the secondary battery.
Absstract of: WO2025254439A1
The present invention provides a non-aqueous electrolyte and a lithium secondary battery comprising same. The non-aqueous electrolyte of the present invention comprises a lithium salt, an organic solvent, and an additive, wherein the additive comprises a cyclic borate-based compound, thereby preventing decomposition of the non-aqueous electrolyte of the lithium secondary battery in a high-output environment that causes negative electrode collapse, or further improving low-temperature high-rate discharge characteristics, high-temperature stability, overcharge prevention, battery expansion suppression effects at high temperatures, and the like.
Absstract of: KR20250173776A
본 발명의 휴대용 보조배터리는 이기종의 휴대형 단말기를 충전할 수 있도록 서로 다른 종류의 단자가 일체로 형성된 이종충전단자가 구비되어 별도의 보조 연결수단 없이 이종의 단말기를 충전할 수 있고, 하우징을 지지하는 지지대가 구비됨으로써, 단말기를 사용하며 충전할 수 있게 된다.
Absstract of: KR20250173928A
일 실시예에 따른 전고체 전지는, 제1 방향으로 적층된 양극층, 고체전해질층 및 음극층을 포함하고, 곡면을 가지도록 상기 제1 방향으로 휘어진 적층체, 상기 적층체의 외부에 배치되고 상기 양극층에 연결되는 제1 외부 전극, 및 상기 적층체의 외부에 배치되고 상기 음극층에 연결되는 제2 외부 전극을 포함하고, 상기 적층체는, 상기 제1 방향 최외측에 배치되는 커버층, 및 상기 제1 방향과 교차하는 제2 방향 최외측에 배치되는 마진부를 포함할 수 있다.
Absstract of: US2025372795A1
A battery tape includes: a first adhesive member configured to be attached to at least a portion of a first surface of a battery; and a second adhesive member extending from a side portion of the first adhesive member and configured to be attached to at least another portion of the battery. The first adhesive member has a 1_1th subregion and a 1_2th subregion having a lower adhesive force than the 1_1th subregion, and the 1_2th subregion is positioned in a region in contact with the second adhesive member.
Absstract of: WO2024225332A1
The purpose of the present invention is to provide a binder composition for a secondary battery electrode with which it is possible to form an electrode for a secondary battery in which crater formation on an electrode surface is suppressed, reduce internal resistance of the secondary battery, and realize excellent cycle characteristics. A binder composition for a secondary battery electrode according to the present invention contains a binding material, and when 10.0 g of a mixed liquid that is obtained by adjusting the binder composition for the secondary battery electrode with water so as to have a solid content concentration of 30 mass% is poured into a polytetrafluoroethylene Petri dish having a diameter of 10 cm, the amount of a coating film after standing for 2 hours at a temperature of 40°C is 1.3 g or less.
Absstract of: US2025372843A1
A secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate having a polarity different from the first electrode plate, and a separator between the first electrode plate and the second electrode plate, a case configured to accommodate the electrode assembly, and an adhesive member between the electrode assembly and the case, the adhesive member including a porous film.
Absstract of: US2025372764A1
An outlet duct system for a vehicle air-cooled battery includes: a first duct fluidly connected to a battery assembly disposed under a floor of a vehicle, and mounted on a top surface of the floor; and a second duct communicating with the first duct, and having an outlet opening through which air is discharged to the floor, wherein the second duct includes a plurality of holes provided in a portion thereof adjacent to the outlet opening, and each hole has a diameter less than an opening area of the outlet opening.
Absstract of: US2025372846A1
A secondary battery includes: an electrode assembly including a first and second electrodes; a case having an opening at one side and accommodating the electrode assembly; and a cap assembly sealing the opening of the case. The cap assembly may comprise a cap plate joined to one side of the case where the opening may be formed and having an insertion hole, a terminal plate including a body portion positioned between the cap plate and the electrode assembly, and an insertion portion protruding from the body portion through the insertion hole, the terminal plate being electrically connected to the first electrode and the case being electrically connected to the second electrode, and an insulating member extended and disposed over at least a portion of a top surface of the cap plate and at least a portion of a top surface of the terminal plate exposed through the insertion hole.
Absstract of: US2025372832A1
A secondary battery includes: an electrode assembly including: a first electrode; a second electrode; and a separator between the first electrode and the second electrode, the first electrode and the second electrode being wound together with the separator therebetween; an electrode tab connected to the first electrode; a case having an opening at one side, and to accommodate the electrode assembly; and a cap assembly coupled to the one side of the case to seal the opening of the case, and including a terminal plate electrically connected to the electrode tab connected to the first electrode. The electrode tab includes a plurality of edges, and at least one of the plurality of edges is chamfered.
Absstract of: WO2025251421A1
A battery electrode sheet, a preparation method therefor and a use thereof, relating to the technical field of new energy. The battery electrode sheet comprises a current collector, and active coatings and insulating coatings arranged on the surfaces of the current collector, each active coating and the corresponding insulating coating are in contact with each other on at least one edge. A raw material for preparing the insulating coatings comprises an insulating filler satisfying the following parameters: Dv10≥0.5 μm; Dv50 ranges from 0.8 to 2 μm; Dv90≤4 μm; specific surface area BET≤6.5 m2/g; DSC endothermic peak position<600°C; and A=(Dv90-Dv10)/(Dv50×BET), and 0.22 g/m2≤A≤0.35 g/m2. The battery electrode sheet can effectively prevent burrs generated during laser die-cutting of pseudo-tabs and also avoids incomplete cutting problems in laser die-cutting. Also provided are the preparation method for the battery electrode sheet and the use of the battery electrode sheet.
Absstract of: WO2025251414A1
A feeding device (100) and a battery production apparatus. The feeding device (100) comprises: a glove box (10) used for accommodating materials to be fed; and a first negative-pressure assembly (20) connected to the glove box (10) and used for extracting air from the interior of the glove box (10) and controlling the interior of the glove box (10) to maintain a negative-pressure state, wherein the first negative-pressure assembly (20) comprises an inflation member and a control member; a vent is formed in the glove box (10); the inflation member is in communication with the vent; and the control member is connected to both the glove box (10) and the inflation member, and is used for adjusting the air extraction volume of the inflation member so as to control the interior of the glove box (10) to maintain the negative-pressure state. By means of the provision of the first negative-pressure assembly (20), the interior of the glove box (10) maintains the negative-pressure state, and when unpacking and feeding are operated in the glove box (10), the problem of powder overflow can be effectively reduced, making the operation process safer.
Absstract of: WO2025251411A1
A battery, an electrical device and an energy storage device. The battery comprises a case body (1), at least one battery cell module (2) and at least one connecting member (3); an accommodating space (11) is formed in the case body (1); the accommodating space (11) is used for accommodating battery cells (21); each battery cell module (2) comprises at least two battery cells (21); each battery cell (21) comprises a casing (211) and an electrode assembly (212) accommodated in the casing (211); each electrode assembly (212) comprises a positive electrode sheet (2121), a negative electrode sheet (2122) and a separator (2123) which are stacked in a first direction; the at least two battery cells (21) of each battery cell module (2) are arranged in the first direction; the connecting member (3) is connected to the battery cells (21) adjacent in the first direction and, when the battery cells (21) swell, is used for applying to the battery cells (21) adjacent in the first direction pulling forces towards each other in the first direction.
Absstract of: US2025379221A1
A negative electrode active material and a preparation method therefore, and a related device are disclosed. The negative electrode active material comprises a negative electrode active substance and a coating layer. The coating layer is coated on the surface of the negative electrode active substance, and the coating layer comprises at least one of polymethyl methacrylate, sodium maleate, and oleic acid diethanolamide borate. The cycle performance and the initial coulombic efficiency of batteries are improved.
Absstract of: US2025379293A1
A power storage device includes: a rectangular cylindrical case body having openings at both ends in the length direction of the case body; an electrode body housed in the case body; a first lid attached to the opening at one end of the case body in the length direction; and a second lid attached to the opening at another end of the case body in the length direction. The case body includes a pair of opposed wide width surfaces and a pair of opposed narrow width surfaces continuous with the pair of wide width surfaces. A plurality of projections along the length direction of the case body are located on an inner side of at least a surface of the narrow width surfaces and the wide width surfaces of the case body.
Absstract of: US2025379271A1
A battery system may include a battery pack including a plurality of battery cells, a flexible printed circuit board (FPCB) located on an upper surface of the battery pack and including a first wiring connected to a terminal of the battery pack and a second wiring arranged along a path passing through upper portions of each of the plurality of battery cells, and a battery management system (BMS) including a logic gate that is driven by a first voltage provided from the battery pack through the first wiring and generates an output according to a second voltage provided through the second wiring. Further, the BMS may be configured to determine whether the battery pack is abnormal according to the output of the logic gate.
Absstract of: US2025379227A1
Electrodes having electrolyte additives and electrochemical cells that cycle lithium ions and include the electrodes are provided. The electrodes include a lithium-rich, manganese-rich layered oxide electroactive material, and an electrolyte including two or more electrolyte additives selected from the group consisting of: a lithium salt additive, a fluorinated ester-based additive, a silicon-based additive, and combinations thereof.
Absstract of: US2025379292A1
A battery being as one aspect of a herein disclosed electricity storage device includes a case main body, an electrode assembly, a first lid body, and a second lid body. The case main body includes a pair of wide width surfaces being opposed to each other, and a pair of narrow width surfaces that are opposed to each other and that are configured to continue to the pair of wide width surfaces. A recessed part configured to elongate along a length direction of the case main body is present at an inner side of at least one narrow width surface of the pair of narrow width surfaces.
Absstract of: US2025379337A1
A busbar assembly for electrically interconnecting a plurality of power racks arranged in a rack row includes first and second conductive busbars extending horizontally with respect to the rack row. The first and second conductive busbars electrically connect with first and second pluggable connectors extending rearward from the rack row orthogonal to the busbars. To interconnect the conductive busbars and pluggable connectors, the busbar assembly includes first and second conductive links that are shaped to extend between the components. To brace the busbars in parallel, the busbar assembly includes a support insulator that traverses and clamps to the busbars.
Absstract of: US2025379333A1
A secondary battery, a battery assembly and an electronic device is provided. The secondary battery includes a housing, an electrode assembly, a pole, and an insulating member. The housing includes an end wall and a sidewall surrounding the end wall. The electrode assembly is disposed inside the housing. The pole is fixed to the end wall and electrically connected to the electrode assembly. The pole includes a columnar part and an inner flange. The columnar part passes through the pole hole, and the inner flange is located inside the housing and extends from the columnar part towards the periphery of the end wall. The insulating member is at least partially located on one side of the end wall facing the interior of the housing. The insulating member includes a first insulator surrounding the columnar part and a second insulator at least partially surrounding the first insulator.
Absstract of: US2025379331A1
Disclosed are a module cover, a battery pack, and vehicle, the module cover having a panel shape having an area that covers all a plurality of battery modules adjacent to one another with a crossbeam interposed therebetween, in which a fixing portion is formed on a portion corresponding to the crossbeam, and the module cover is coupled to the crossbeam by means of the fixing portion.
Absstract of: US2025379328A1
A battery pack case of the present disclosure includes a base plate forming a surface of the battery pack case and having a through-hole formed to communicate an internal space of the battery pack case with an outside, an external plate spaced apart from an outer surface of the base plate and configured to block the through-hole from being exposed to the outside and to define a separation space between the base plate and the external plate, and a venting valve provided on the external plate to selectively discharge a fluid from the separation space.
Nº publicación: US2025379330A1 11/12/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Absstract of: US2025379330A1
Discussed is a battery pack including a battery cell stack having a plurality of battery cells stacked in a first direction, a barrier layer disposed on the battery cell stack, the barrier layer having an inner surface facing the battery cell stack, a first refractory part positioned on an outer surface of the barrier layer that is opposite to the inner surface of the barrier layer, and a venting part that extends through the first refractory part. The barrier layer is configured to be fractured or melted from pressure or heat generated in the battery cell stack to open the venting part to allow at least one of heat, gas and flames to pass from the battery cell stack through the venting part. The first refractory part is at the barrier layer.
BOPI
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