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369
results.
Updated on
16/02/2026 [06:57:00]
Results 75 to 100 of 369
Absstract of: US20260045629A1
A battery cell, a battery, and an electrical apparatus. The battery cell comprises: an electrode assembly; and a casing, the casing being used for accommodating the electrode assembly. The casing is provided with a scoring groove and a buffer groove, the scoring groove defining a predetermined pressure relief area which is opened when the battery cell is subjected to pressure relief, and the buffer groove being located on the side of the scoring groove away from the geometric center of the predetermined pressure relief area.
Absstract of: US20260045662A1
A case (22) includes a first divided case (31) and a second divided case (32) installed in parallel along an X direction. The first divided case (31) includes a first coupling portion (60). The second divided case (32) includes a second coupling portion (70) to be coupled to the first coupling portion (60). A coupling direction of the first coupling portion (60) and the second coupling portion (70) is a direction along an assembly direction (D) of the first divided case (31) and the second divided case (32) with a battery.
Absstract of: US20260045665A1
A secondary battery includes an electrode assembly, a case that accommodates the electrode assembly, a cap plate coupled to an opening of the case, an electrode terminal installed on the cap plate, a lead tab that electrically connects the electrode assembly to the electrode terminal, and a protective member between the electrode assembly and the case, the protective member including expanded powdery structures.
Absstract of: US20260045613A1
The present disclosure relates to a battery module, including a cell assembly including one or more battery cells and a busbar assembly electrically connecting the one or more battery cells, a module case including an opening part at least partially opened on one surface, and forming an accommodating space for accommodating the cell assembly therein through the opening part, a module cover coupled to the module case to close the opening part, and a filling part which is provided between an outside of the busbar assembly and the module case and includes an electrically insulating material, and an assembly method thereof.
Absstract of: US20260045666A1
A battery cell, a battery, and an electric apparatus are disclosed. The battery cell includes a housing, an insulating member, and an electrode assembly arranged in a mounting cavity of the housing. The insulating member includes an insulator and a first buffer body connected together. The insulator surrounds the electrode assembly, which includes a body portion and a bent portion connected to an end of the body portion. The first buffer body is positioned between the bent portion and the housing to mitigate swelling forces at the bent portion. This configuration reduces the risk of excessive spacing between the negative and positive electrode plates, decreases the likelihood of electrolyte bridge breakage, alleviates lithium precipitation at the bent portion, and improves the cycling performance and service life of the battery cell.
Absstract of: US20260045537A1
A cathode for a lithium secondary battery according to embodiments of the present disclosure includes: a cathode current collector including a first surface and a second surface that face each other, a first cathode active material layer disposed on the first surface; and a second cathode active material layer disposed on the second surface, wherein a loading amount ratio of the second cathode active material layer to the loading amount of the first cathode active material layer is 102% to 104%.
Absstract of: US20260045574A1
A battery pack that may improve cooling efficiency. The battery pack includes plural battery cells that each include a positive electrode terminal and a negative electrode terminal, a battery case that accommodates the plural battery cells, a lid part that is formed of an insulator and provided at the battery case, and bus bars. The bus bars each include a main body portion embedded in the lid part, and connection terminals provided at end portions of the main body portion. The connection terminals are exposed from an inner face of the lid part that opposes the plural battery cells, and are electrically connected with the positive electrode terminals and negative electrode terminals of the plural battery cells. An outer face of the lid part is in contact with a cooler.
Absstract of: US20260045571A1
Proposed is a secondary battery, including an electrode assembly to which an electrode lead is coupled, a pouch casing including a receiving portion for receiving an electrode assembly and a sealing portion for sealing the receiving portion, an inner pocket disposed on an inner surface of the receiving portion and filled with a functional material, and a piercing member installed in a receiving space of the receiving portion to pierce the inner pocket.
Absstract of: US20260045572A1
Disclosed herein are methods for extracting one or more metals from a material, wherein the method includes: contacting the material with an acidic aqueous solution having a pH less than 7, and reducing, with an alkyl carbonate, one or more metal oxides selected from nickel oxide, cobalt oxide, and manganese oxide; where the material includes the one or more metal oxides. Also disclosed are methods including extracting one or more metals from a material to obtain an aqueous solution comprising metal ions, and separating the metal ions to obtain at least one essentially pure metal ion solution and/or at least one essentially pure solid metal ion salt. Further disclosed are methods for recycling at least one battery material selected from a lithium ion battery, lithium ion battery waste, lithium ion battery production scrap, lithium ion cell production scrap, lithium ion cathode active material, and combinations thereof.
Absstract of: US20260045531A1
A cell feeding method includes: controlling a first conveyor line to convey inflowing cells to a first material fetching position; controlling a second conveyor line to convey inflowing cells to a second material fetching position; controlling a third conveyor line to convey inflowing cells to a side taping station, and conveying the cells subjected to side taping treatment to a third material fetching position; controlling a first feeding and grabbing mechanism to grab a first number of cells from a first material fetching position to a first feeding area in the feeder position; and controlling a second feeding and grabbing mechanism to grab a first number of cells from a target material fetching position to a second feeding area in the feeder position.
Absstract of: US20260045661A1
A battery cell includes a case, a terminal post, and an electrode assembly. The terminal post is provided with ten cases. The electrode assembly includes an active material coating portion provided in the ten cases, and a tab portion electrically connected to the active material coating portion and the terminal posts. The tab portion includes multiple tab sheets. The multiple tab sheets are stacked and connected to form a gathered portion. The gathered portion has a first area and a second area. A compaction degree of the multiple tab sheets in the first area is greater than that in the second area. A connecting portion is formed at a position of the gathered portion used for being electrically connected to the terminal post. At least part of an edge of the connecting portion on the gathered portion is located in the first area.
Absstract of: US20260045611A1
A battery cassette is disclosed. The battery cassette may include a plurality of rows of a plurality of hollow tubes configured to receive battery cells of the battery system of the electric vehicle. The battery cassette may further include one or more tongues and one or more grooves positioned on a first side of the frame and each configured to engage with corresponding one or more tongues and one or more grooves of a frame of a second battery cassette to removably couple the battery cassette to the second battery cassette.
Absstract of: US20260045612A1
A battery pack according to an embodiment of the present invention includes a first cover, a second cover coupled to the first cover in a direction crossing the first cover, a third cover coupled to portion of each of the first cover and the second cover, a first sealing member disposed along a first coupling area of the first cover and the second cover, and a second sealing member disposed along a second coupling area between the first and second covers and the third cover, wherein the first sealing member extends to a contact area in which the first sealing member contacts the second sealing member along a boundary between the first cover and the second cover.
Absstract of: US20260045638A1
Disclosed is a separator and an electrochemical device including the same. The separator includes a porous polyolefin substrate having improved wettability and a porous coating layer having high adhesive property to the porous polyolefin substrate. Specifically, the separator includes the porous polyolefin substrate and the porous coating layer on at least one surface of the porous polyolefin substrate. The porous polyolefin substrate includes a crosslinked polyolefin resin. The crosslinked polyolefin resin includes a silicon-containing organic group grafted onto a polyolefin chain. The porous coating layer includes inorganic particles and a binder polymer. The inorganic particles include boehmite (AlO(OH)).
Absstract of: US20260045642A1
Provided is a nonaqueous electrolyte secondary battery laminated separator which has excellent heat resistance. The nonaqueous electrolyte secondary battery laminated separator of the present disclosure is constituted by a laminate of two or more layers and has a tensile modulus during heating of not less than 0.25 which is an inclination of stress with respect to an elongation percentage in a region in which the elongation percentage is 50% to 200% in a tension test in which the nonaqueous electrolyte secondary battery laminated separator is elongated at a speed of 10 mm/min in an MD under an atmosphere at 120° C. and stress unit: N applied at that time is measured.
Absstract of: US20260045534A1
A secondary battery includes a case, an electrode assembly accommodated in the case, the electrode assembly including a winding of a first electrode, a second electrode, a separator interposed between the first electrode and the second electrode, and a tape surrounding an outermost portion of the electrode assembly along a winding direction, the tape comprising a first protrusion portion protruding in a first direction toward a top of the electrode assembly and a second protrusion portion connected to the first protrusion portion, the second protrusion portion protruding in a second direction toward a bottom of the electrode assembly, wherein the first protrusion portion and the second protrusion portion are alternated, an inner side of the first protrusion portion is positioned above a reference line, and an inner side of the second protrusion portion is positioned below the reference line, and the reference line divides the tape in a width direction.
Absstract of: US20260045605A1
A protective element, including at least one first layer and at least one second layer. The first layer is made from elastomeric material and the second layer forms a flame-retardant layer. The first layer can include silicone elastomer. The first layer can include a first filler, the first filler being made from inorganic material.
Absstract of: US20260045530A1
A strip terminal alignment device according to some embodiments includes: a terminal support supporting first and second strip terminals; first and second jigs configured to be reciprocally moved along a first direction and disposed at a distance from the terminal support along a second direction; a pair of first pushers fixed to the first jig; and a pair of second pushers fixed to the second jig. The pair of first pushers pushes one side of each of the first and second strip terminals in one direction, and the pair of second pushers pushes the other side of each of the first and second strip terminals in the other direction according to the movement of the first and second jigs. Each of the pair of first pushers and the pair of second pushers includes a vertical extension parallel to a third direction orthogonal to the first direction and the second direction.
Absstract of: US20260045570A1
The present invention relates to the technical field of thermal runaway management for lithium-ion batteries, and more particularly to a method for detecting and locating overheating in lithium-ion batteries or battery packs using temperature sensors. The temperature sensor is based on a shape memory alloy or bimetallic strips. The lithium-ion batteries or battery packs are equipped with these temperature sensors and arranged in a matrix configuration, enabling detection and localization of overheated batteries within the pack. This method addresses the challenge of identifying overheating in large-scale battery packs and energy storage power stations, thereby improving the efficiency of detection and localization. It also facilitates timely identification and precise location of batteries that may be undergoing thermal runaway.
Absstract of: US20260045603A1
Provided is a sheet for an outer package configured to store a power storage element in a power storage device, the sheet for an outer package including a non-porous resin sheet, wherein the sheet for an outer package has a peel force F of 1.5 N/10 mm or more, which is determined by the following evaluation method. The sheet for an outer package is suitable for the suppression of the swelling of a power storage device.—Evaluation Method— A rectangular test piece measuring 10 mm wide by 100 mm or more long, which is obtained by joining the sheet for an outer package serving as an evaluation object and a polypropylene sheet to each other through hot pressing, is subjected to a tear-off test in which the sheet for an outer package is torn off the polypropylene sheet at a peel rate of 300 mm/min in a 180° direction, and a 180° tear-off peel force thus measured is defined as the peel force F.
Absstract of: US20260045623A1
A battery module comprises a cell array including a plurality of battery cells and a plurality of busbars electrically connecting the plurality of battery cells. A casing accommodates the cell array, and a cover section is coupled to the casing to cover the cell array. A fire extinguishing section is disposed between the cell array and the cover section. The fire extinguishing section includes a fire extinguishing sheet configured to emit a fire extinguishing agent and a thermal conductive layer configured to conduct heat throughout the fire extinguishing sheet.
Absstract of: US20260045641A1
Embodiments of the present application provide a battery cell, a battery, and an electric apparatus. The battery cell includes an electrode assembly, the electrode assembly including a negative electrode plate, a positive electrode plate, and a separator, the separator being configured to isolate the negative electrode plate and the positive electrode plate; where a ratio of a thickness of the separator to a thickness of the negative electrode plate is greater than or equal to 0.07.
Absstract of: US20260045610A1
A battery pack that is configured to provide electrical power to an electric motor is provided. The battery pack includes a battery pack housing, a cell holder subassembly received in the battery pack housing, and a plurality of tabless cylindrical battery cells received in the cell holder subassembly. The battery pack has a nominal voltage of at least 18 V and a race condition-constant power of at least 250 W.
Absstract of: US20260045819A1
A battery assembly and a control method thereof, a battery, and an electric apparatus are provided, where the battery assembly includes: M battery cells, the M battery cells being sequentially stacked along a first direction, where M is an integer greater than 1; and a volume of each battery cell is positively correlated with a remaining charge of the battery cell, so that when a charge of at least one battery cell among the M battery cells changes, a total volume change of the M battery cells is maintained within a first preset range.
Nº publicación: US20260045818A1 12/02/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Absstract of: US20260045818A1
An external battery includes a battery cell, a charging unit configured to generate a charging current with an external power supplied from a charger to an input terminal thereof and transfer the charging current to the battery cell, a main controller unit (MCU) configured to control charging of the battery cell by the charging current, and a switch unit between the charging unit and the battery cell, wherein, when the switch unit is in an on state, the MCU changes to an active mode and allows the charging current to be transferred to the battery cell, and when the switch unit is in an off state, entering by the MCU a sleep mode and cutting off the charging current transferred to the battery cell.
BOPI
Electronic site
