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1369
results.
Updated on
16/02/2026 [07:08:00]
Results 175 to 200 of 1369
Absstract of: US20260042901A1
Disclosed is a thickener dispersion including a thickener including at least one among carboxymethyl cellulose and metal salt of the carboxymethyl cellulose, a change-over-time inhibitor, and an aqueous solvent. The change-over-time inhibitor includes at least one selected from the group consisting of phenoxyethanol, sodium azide, paraben, formaldehyde, 5-chloro-2-methyl-4-isothiazolin-3-one, sodium benzoate, ethylhexylglycerin, and 1,2-hexanediol. The thickener is included in an amount of 0.05 wt % to 3.5 wt % in the thickener dispersion, and the change-over-time inhibitor is included in an amount of 0.05 wt % to 3.0 wt % in the thickener dispersion.
Absstract of: US20260044566A1
A method and system for screening a material for a lithium secondary battery. The method for screening a material configured to based in a lithium secondary battery may include: receiving information about an organic substance; generating a database by storing the information about the organic substance based on a plurality of parameters; and applying at least one filter to the database to output information about a target substance configured to be used in a lithium secondary battery among the organic substances, wherein the target substance may have oxidation stability inside the lithium secondary battery or is capable of suppressing deterioration of the lithium secondary battery.
Absstract of: US20260045587A1
A battery pack includes: a plurality of battery cells; a case; and a cooling device, the cooling device including coolers including: a flow path; and a cooling surface that comes in contact with the battery cells, the plurality of coolers and the plurality of battery cells being alternately stacked in the case. Further, the cooling device is an integrated structure in which the plurality of coolers is joined with each other, and the cooler is deformable so as to displace the cooling surface in the first direction in accordance with a pressure inside the cooler.
Absstract of: US20260045579A1
The present disclosure relates to a battery cell according to an embodiment of the present disclosure includes: a cell case including a first body forming a first accommodation space for accommodating an electrode assembly therein; a second body accommodating at least a portion of the first body; and a second accommodation space formed between the first body and the second body; and a variable member disposed in the second accommodation space and connected to the first body, and connected to or separated from the second body according to a preset variable temperature.
Absstract of: US20260045582A1
The application relates to a cooling system and a battery pack. The battery cell group includes a plurality of battery cells. The cooling system includes: a cooling assembly including a first cooling plate and a second cooling plate; a pressure relief assembly provided with a liquid cooling channel and a pressure relief channel spaced from each other, wherein the pressure relief channel is in communication with a pressure relief valve of the battery cell; wherein the first cooling plate is disposed on a side of a corresponding one of the battery cells, the second cooling plate is disposed at an end of a corresponding one of the battery cells not provided with the pressure relief valve, and the cooling assembly is in parallel communication with the liquid cooling channel.
Absstract of: US20260045584A1
A liquid cooling plate includes: a body portion; a blocking portion; a liquid inlet structure; and a liquid outlet structure. The body portion has a heat exchange cavity and an opening structure communicated with the heat exchange cavity. The opening structure is arranged at a side portion of the heat exchange cavity. At least a part of the blocking portion is disposed inside the opening structure to block and support the opening structure. The liquid inlet structure is arranged on the blocking portion. The liquid inlet structure is in communication with the heat exchange cavity. The liquid outlet structure is arranged on the blocking portion. The liquid outlet structure is in communication with the heat exchange cavity.
Absstract of: US20260045581A1
A method for manufacturing an energy storage device according to the present disclosure is a method for manufacturing an energy storage device including a frame that houses an electrical device including a battery module, and a cooler fixed to the frame. The method includes: disposing a heat insulating member made of an aluminum alloy between a frame made of an aluminum alloy and a cooler made of an aluminum alloy such that the heat insulating member does not overlap the electrical device as viewed in the up-down direction of the energy storage device; and joining the frame and the cooler with the heat insulating member therebetween. The frame, the heat insulating member, the cooler are joined by friction stir welding.
Absstract of: US20260045648A1
A secondary battery is disclosed, which includes a connecting sheet and a terminal post; the connecting sheet has a welding surface; the terminal post and the connecting sheet are stacked, and the welding surface faces the terminal post; the connecting sheet is fixed to the terminal post by welding, forming a welding part; part of the welding part is provided in an interior of the connecting sheet and part of the welding part is provided in an interior of the terminal post; the welding part penetrates through the welding surface, and forms a welding track on the welding surface.
Absstract of: US20260045652A1
There is disclosed herein a current collector (300) for a battery cell, comprising a first section (302) comprising a first end (301) configured to connect to an electrode assembly of the cell, and a second section (304) angled relative to the first section (302) comprising a second end (303) configured to connect to a terminal of the cell. A current path is formed from the first end (301) to the second end (303), and a cross-sectional area of the current collector (300) decreases along the current path from the first end (301) to the second end (303) or from the second end (303) to the first end (301).
Absstract of: US20260045645A1
Provided is a nonaqueous electrolyte secondary battery laminated separator which has excellent heat resistance. A nonaqueous electrolyte secondary battery laminated separator of the present disclosure is constituted by a laminate of two or more layers and has a loss modulus ratio, represented by Formula (1) below, of not more than 1.45:Lossmodulusratio=G″2/G″1(1)where G″1 and G″2 are measured with a shear viscoelasticity test, and G″1 represents a shear loss modulus at a shear strain of 0.07%, and G″2 represents a shear loss modulus at a shear strain of 0.3%.
Absstract of: US20260045626A1
A battery module includes a cell assembly including a plurality of battery cells, a busbar assembly electrically connecting the plurality of battery cells, and a module housing accommodating the cell assembly including the plurality of battery cells and including a lower plate, a side cover, an upper case and a venting flap case covering a portion of an upper area of the upper case. The upper case includes at least one venting hole, and the venting flap case includes at least one discharge portion covering the venting hole and configured to be at least partially bent by pressure when an event occurs and open the venting hole.
Absstract of: US20260045657A1
A secondary battery, the secondary battery including a case including a plurality of independent spaces, a plurality of electrode assemblies, each of which is separately accommodated in one of the plurality of independent spaces, and a cap assembly including a cap plate, the cap plate being bonded to each of the plurality of electrode assemblies, wherein the cap assembly includes a plurality of terminals attached to the cap plate, the plurality of terminals electrically connected to the plurality electrode assemblies.
Absstract of: US20260045653A1
Disclosed are an electrode tab, a battery pack, and a method for manufacturing an electrode tab. The electrode tab is an electrode tab electrically connected to a terminal of a battery cell and may include: a bonding portion formed to have an area corresponding to an area of the terminal of the battery cell and bonded to the terminal of the battery cell; a protruding portion that protrudes from the bonding portion; and a wire connection portion formed in the protruding portion and or connecting, to the electrode tab, a wire that is electrically connected to the battery cell.
Absstract of: US20260045580A1
A heat pipe is provided for a battery pack. The heat pipe includes a first sheet formed of a first metal and a second sheet formed of a second metal. A plurality of first wick structures are formed on a first surface of the first sheet, and a plurality of first channels are each formed between two of the plurality of first wick structures. A second surface of the second sheet faces the first surface of the first sheet. The heat pipe includes a heat transport media formed within each of the plurality of first channels. Each of the plurality of first wick structures is formed of a first wicking material configured to absorb and transport a fluid through capillary force. The first sheet and the second sheet are joined together at opposite ends such that the heat transport media is enclosed within the first sheet and the second sheet.
Absstract of: US20260045578A1
A battery cell, a battery, and an electric apparatus are disclosed. The electric apparatus includes the battery, the battery includes the battery cell, and the battery cell includes an electrode assembly and a thermally conductive member. The electrode assembly has a main body portion and tabs disposed at one end or at opposite ends of the main body portion. The thermally conductive member is at least partially arranged at an end of the main body portion having the tabs. The thermally conductive member provides heat conduction from the end of the main body portion near the tabs in a first direction, thereby improving heat dissipation from the tab region and promoting more uniform heat distribution within the main body portion.
Absstract of: US20260045588A1
A battery liquid cooling device, includes: a support frame; a first liquid cooling body, arranged on the support frame and defining a first channel; and a second liquid cooling body. Two ends of the second liquid cooling body are respectively connected to the support frame and the first liquid cooling body; the second liquid cooling body defines a second channel; the support frame, the first liquid cooling body, and the second liquid cooling body enclose to form a receiving cavity having an opening facing upwardly, the receiving cavity receives a cell. A cooling medium is circulated in the first channel of the first liquid cooling body and in the second channel of the second liquid cooling body to cool down the cell received in the receiving.
Absstract of: WO2026031987A1
Provided in the present application are a battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises a casing and an electrode assembly located inside the casing, the electrode assembly comprising a positive electrode sheet, a negative electrode sheet and a separator located between the positive electrode sheet and the negative electrode sheet. A positive electrode active material comprises a nickel-containing lithium transition metal oxide and a lithium-containing phosphate. The battery cell is configured to have a specific discharge capacity of 145 mAh/g-210 mAh/g when discharged from 4.3 V to 2.5 V at a rate of 0.33C. The casing has two first side walls parallel to each other in a first direction and two second side walls parallel to each other in a second direction, the first direction and the second direction being perpendicular to each other, the area of each first side wall being greater than the area of each second side wall, and the thickness of each first side wall being 0.1 mm-0.8 mm.
Absstract of: WO2026031510A1
Provided in the present application are a pressure regulation and thermal management system, a battery module (100) and an electric device. The pressure regulation and thermal management system comprises: a housing (101) and a plurality of hydraulic heat exchange plates (103), wherein the housing (101) is provided with a mounting cavity (1013), and the hydraulic heat exchange plates (103) are arranged in the mounting cavity (1013) and divide the mounting cavity (1013) into accommodating spaces for accommodating battery cells (102). The hydraulic heat exchange plates (103) are suitable for heat exchange through contact with the battery cells (102), and are suitable for controlled deformation, thus adjusting the constraining force exerted by the hydraulic heat exchange plates (103) on the battery cells (102).
Absstract of: US20260042682A1
An electrode active material is produced by performing a heat treatment after adding a plurality of metal salts each including metal components that are Li, Ni, Co, and Mn or Al to a black mass obtained by processing used lithium-ion batteries, so that the black mass and the metal salts are reacted with each other. A positive active material of a lithium-ion battery is an electrode active material produced by directly using the black mass. Thus, it is possible to achieve an electrode active material, and a lithium-ion battery, which have high practicality and are capable of ensuring desired battery properties without requiring much time and effort such as recovery of metal salts from the black mass and purification of the metal salts.
Absstract of: US20260042681A1
A positive electrode active material in a form of a single particle includes a lithium transition metal oxide in a form of a single particle, a coating portion containing cobalt which is formed on the lithium transition metal oxide in the form of the single particle, and LiCoO2 in a form of an island which is discontinuously formed on a surface of the positive electrode active material. A ratio of an intensity of a peak ranging from 550 cm−1 to 620 cm−1 corresponding to an A1g vibration mode of LiCoO2 to an intensity of a peak ranging from 500 cm−1 to 600 cm−1 corresponding to an A1g vibration mode of LiNiO2 in a Raman spectrum of the surface is greater than 1. Also provided is a method of preparing the same.
Absstract of: US20260042670A1
Provided are a phosphate material with a nanoporous structure, a preparation method therefor and a use thereof. It has a chemical formula of Mn1-xFexPO4, (0.01≤x≤0.99) and has a particle size of at most 50 nm and a porous structure. Also provided is a phosphate material having a general chemical formula of Mn1-a-bFeaMbPO4, wherein M is one or more selected from the group consisting of Mg, Ti, V, Cr, Co, Ni, Zn, Ga, Al, Zr, Nb, Mo, Sn, Sb, Ca, Ba, Sr, B, Ru, Si, Te, Nb, Cu and Li, and preferably a combination of five or more of the elements, 0.01≤a≤0.98, 10−4≤b≤10−2, and the phosphate material has a particle size of at least 50 nm and has a porous structure. The material can be used for preparing a manganese iron phosphate battery cathode material, and the specific capacity, rate performance and cycle performance of the obtained anode material are improved.
Absstract of: US20260042668A1
A subject is to provide a method for manufacturing a solid electrolyte material having an α-Li3PS4 phase. The subject is addressed by a method for manufacturing a solid electrolyte material having the α-Li3PS4 phase, comprising heating a Li ion conductive sulfide material to a temperature within a range from 230° C. to 350° C., the Li ion conductive sulfide material containing Li, P and S but free of F and Cl and having no α-Li3PS4 phase, wherein a temperature increase rate at 200° C. is 100° C./min or more.
Absstract of: US20260042677A1
A method of extracting lithium hydroxide from a lithium containing solid such as lithium ore or lithium batteries. The problem addressed by the invention is the provision of an extraction method where non-lithium components are removed sequentially rather than concomitantly. The method of the invention includes the sequential steps of: dissolving the lithium-containing solid in an acid, precipitating non-lithium metal products using a first base, precipitating the conjugate base of said acid using a second base, and isolating lithium hydroxide from the resultant solution.
Absstract of: US20260045325A1
A method and system for screening materials for lithium secondary batteries. The method for screening materials configured to be used in lithium secondary batteries may include receiving information on organic substances, generating a database by storing the information on the organic substances based on a plurality of parameters, and applying at least one filter to the database to output information about a target substance configured to be used in a lithium secondary battery among the organic substances, wherein the target substance is configured to remove or deactivate at least some of oxygen radicals within the lithium secondary battery.
Nº publicación: US20260045326A1 12/02/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Absstract of: US20260045326A1
A method and system for screening materials for lithium secondary batteries. The method includes receiving information about organic substances, generating a database by storing the information about the organic substances based on a plurality of parameters, and applying a filter to the database to generate output information about a target substance configured to be used in the lithium secondary battery, the target substance selected from the organic substances, wherein the target substance is configured to form at least a part of a low-resistance solid electrolyte interphase (SEI) layer on an anode of the lithium secondary battery.
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