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1452
results.
Updated on
06/05/2025 [07:23:00]
Results 425 to 450 of 1452
Absstract of: US2025140940A1
A lithium battery comprising an anode, a cathode, a solid-state electrolyte, an interface enhancer composition in ionic communication with the anode and the cathode, wherein (a) the electrolyte comprises a solid polymer, a polymer gel, an inorganic solid-state, or a polymer/inorganic composite electrolyte; (b) the interface enhancer composition comprises a lithium salt, a liquid solution comprising an organic solvent or ionic liquid and a lithium salt dissolved therein, a polymer containing a lithium salt dissolved or dispersed therein, or a combination thereof; (c) the cathode comprises a cathode active layer comprising particles of a cathode active material, a conductive additive, an optional binder, and pores occupying 1% to 40% by volume of the cathode active layer and the interface enhancer resides in 30% to 100% of the pores; and (d) the interface enhancer is present between the solid-state electrolyte and the cathode and between the solid-state electrolyte and the anode.
Absstract of: US2025140860A1
The present disclosure provides a negative electrode waterborne slurry composition comprising a binder comprising an addition polymer comprising (a) 0.1% to 15% by weight of constitutional units comprising the residue of an alpha, beta-ethylenically unsaturated carboxylic acid; (b) 0.1% to 25% by weight of constitutional units comprising the residue of an ethylenically unsaturated monomer comprising a hydroxyl functional group; (c) 30% to 90% by weight of constitutional units comprising the residue of an alkyl ester of (meth)acrylic acid; and (d) 0.1% to 50% by weight of constitutional units comprising the residue of a vinyl aromatic compound, the % by weight based on the total weight of the addition polymer; a negative electrode active material; and an aqueous medium. Also disclosed are slurry compositions and electrical storage devices.
Absstract of: US2025140906A1
An anolyte includes a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, NaLi3I4, NaLi3Br4, NaLi3Cl4, and KLi2F3. A solid state battery includes an anode, a cathode, and a solid electrolyte, wherein the solid state battery comprises the aforementioned anolyte.
Absstract of: US2025140867A1
Provided herein are an electrode current collector, a method of manufacturing the same, and a lithium battery including the same. The electrode current collector includes a metal substrate and a metal oxide layer on at least one surface of the metal substrate, wherein the metal substrate includes titanium (Ti), and the metal oxide layer includes crystalline titanium oxide (TiO2).
Absstract of: US2025140863A1
Provided are: a secondary battery electrode in which elution of a metal component is suppressed; and a secondary battery using this electrode. This secondary battery comprises a positive electrode and a negative electrode. At least the positive electrode or the negative electrode includes a collector, and a composite layer disposed on a surface of the collector. The composite layer includes an electrode active material containing an elemental metal, a compound having a terminal CN group, an electroconductive material, a water-insoluble additive, and a water-soluble additive. The water-insoluble additive contains a polysaccharide.
Absstract of: US2025140998A1
A cover plate assembly includes a cover plate and a sealing member. The cover plate is provided with a first through hole, and the sealing member is disposed to pass through the first through hole. In a direction perpendicular to the cover plate, the sealing member has a first end face and a second end face opposite to each other. The sealing member is provided with a first groove extending from the second end face to the first end face. An outer sidewall of the sealing member close to the second end face is provided with a first protrusion extending in a direction parallel to the cover plate and protruding from a surface of the cover plate. A distance between an edge of the first protrusion and an axis of the first through hole is greater than a radius of the first through hole.
Absstract of: US2025141011A1
The present application provides a power battery system, which relates to the technical field of power batteries. By arranging the busbar on the battery pack in the accommodating cavity inside the system battery module, it improves the connection when the two sides of the system battery module are collided. The high-voltage busbar between the battery management system and the external interface of the system battery module and located on both inner side walls of the system battery module is short-circuited. The power battery system includes a battery case and a system battery module fixed inside the battery case. The system battery module includes a plurality of battery packs. Adjacent battery packs are spaced apart to form accommodating cavities and the busbar connected between the adjacent battery packs is located in the accommodating cavity.
Absstract of: US2025141002A1
An electrochemical cell system includes a first electrochemical cell including a first anode current collector, a first anode, a first cathode current collector, a first cathode, and a first separator. The first cathode has a first composition such that the first electrochemical cell has a first energy density, and a first power density at a predetermined temperature. A second electrochemical cell includes a second anode, a second cathode current collector, a second cathode, and a second separator. The second cathode has a second composition different from the first composition such that the second electrochemical cell has a second energy density that is less than the first energy density, and a second power density at the predetermined temperature that is greater than the first power density. The first electrochemical cell may include a first electrolyte different from a second electrolyte of the second electrochemical cell.
Absstract of: US2025140997A1
A secondary battery includes a battery case accommodating therein an electrode assembly with an electrode lead protruding therefrom and including a sealing portion in which an outer perimeter is sealed. The sealing portion includes a first sealing portion on the electrode lead side of the battery case; and a second sealing portion on the electrode lead side of the battery case. The first sealing portion and the second sealing portion each have one end and another end in a protruding direction of the electrode lead, and the another end of the second sealing portion extends further in a direction opposite to the protruding direction of the electrode lead than the another end of the first sealing portion
Absstract of: US2025140995A1
Provided are a cover plate, a top cover, a battery cell, and a battery module. The cover plate is used for the battery cell. The cover plate includes: a plate body having a through-hole; and a raised edge disposed on a surface of the plate body and surrounding the through-hole. The raised edge has at least one notch. An internal space defined by the raised edge is in communication with an external space outside the raised edge through the at least one notch.
Absstract of: US2025140904A1
A compound has the formula Li4−xB7−yMyO12−zClw, wherein Li, O, and Cl vacancies are allowed and M is either a one-way, two-way or three-way combination of the following species: Al3+, Fe3+, B3+, La3+, Y3+, Mo3+, Be2+, Si4+, Cr4+, As3+, Mn2+, V2+, Co2+, Ge2+, Fe2+, Mo4+, Mo6+, As3−, Ti2+, P5+, As0+, and wherein 0≤x<2, 0
Absstract of: US2025140923A1
Disclosed are a battery electrolyte solution and a battery. The battery electrolyte solution includes an organic solvent, an additive, and an electrolyte salt, the organic solvent includes an ethyl group solvent, and the additive includes 1,3-propane sultone and a nitrile substance. The electrolyte solution is in contact with a positive electrode plate. Percentages of the ethyl group solvent, the 1,3-propane sultone, and the nitrile substance in a total mass of the electrolyte solution are configured as follows: 0.45−N3≤A+B2+C2≤516−N3. N denotes a peeling strength value of the positive electrode plate, in a unit of gf/mm, A, B, and C denotes a percentage of the mass of the ethyl group solvent, 1,3-propane sultone, and the nitrile substance in the total mass of the electrolyte solution.
Absstract of: US2025140905A1
A deformable halide-based ionic conductor has one of the following formulas: NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4 having a trigonal crystal structure with space group R-3, Li3AgCl4, or Li2AgCl3. A catholyte includes a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, KLi2F3, Li2HfF6, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3. A solid electrolyte separator includes a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3. A solid state battery includes an anode, a cathode, and a solid electrolyte separator including a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3.
Absstract of: US2025140907A1
The present invention provides a ceramic material for a solid-state electrolyte, the ceramic material comprising: a first lithium ion conductor; and a second lithium ion conductor different from the first lithium ion conductor and which is a lithium metal halide.
Absstract of: US2025140999A1
A battery cap assembly includes: a cap plate having an electrolyte inlet; and a sealing member to be inserted into the electrolyte inlet. The sealing member has an electrolyte inflow passage penetrating an elastic material in a longitudinal direction of the sealing member.
Absstract of: US2025141006A1
Battery stacks are disclosed. In examples, the battery stack comprises a plurality of electrochemical cells. Each electrochemical cell of the plurality comprises a cathode layer, an electrolyte layer arranged on the cathode layer, and an anode layer arranged on the electrolyte layer. The battery stack comprises a cathode current collector comprising at least a first portion and a second portion, the first portion arranged on the cathode layer of a first electrochemical cell of the plurality of electrochemical cells, the second portion arranged on the cathode layer of a second electrochemical cell of the plurality of electrochemical cells. Between the first portion and second portion of the cathode current collector, the cathode current collector comprises an intermediate portion, at least one surface of which coated with an electrically-insulating coating. Also described are methods of manufacturing battery stacks, functionalised current collectors and methods of manufacturing thereof, and electrically-powered devices.
Absstract of: US2025140994A1
The battery includes an electrode body and a laminate outer encasement covering the electrode body, wherein the battery is disposed on an outer side of the laminate outer encasement, covers an entire surface of the laminate outer encasement, and includes a resin member including a polyurea resin, and the average thickness of the resin member is larger than 0.5 mm and smaller than 1.5 mm.
Absstract of: US2025141001A1
A power storage device includes a case member, a terminal member, and a resin member that fixes the terminal member to the case member. At least one of a case seal portion and a terminal seal portion has a plurality of first seal portions each of which extends continuously over the entire periphery in a circumferential direction and is subjected to cohesive failure when a joint with the resin member breaks down, and a second seal portion that is disposed between the first seal portions adjacent to each other, extends continuously over the entire periphery in the circumferential direction, and is subjected to interfacial failure when a joint with the resin member breaks down.
Absstract of: US2025141003A1
The battery module according to the present disclosure includes a cell block assembly including a plurality of cells, a bottom plate disposed on a first surface of the cell block assembly, a frame surrounding a second surface opposite to the first surface and a side surface of the cell block assembly, and a pair of end plates disposed on each of front and rear surfaces of the cell block assembly, respectively.
Absstract of: US2025141007A1
A battery module is disclosed. In some implementations, the battery module includes: a plurality of battery cells; a plurality of end plates respectively disposed on both sides of the plurality of battery cells; and an elastic plate connected to the plurality of end plates, wherein the elastic plate includes a cover part covering sides of the plurality of battery cells, and a buffer portion extending from the cover part, and disposed between at least some of the plurality of battery cells.
Absstract of: US2025140887A1
An electrode-stacking wheel designed to receive and convey planar electrode elements, includes: a spindle designed for the rotating of the electrode-stacking wheel; a plurality of stacking fingers, which are radial to the spindle and which are arranged circumferentially around the axis of rotation; a plurality of intermediate spaces, which are formed between the respective stacking fingers, each intermediate space being designed to receive at least one of the electrode elements; and an electrode-clamping element formed in each of the intermediate spaces, each electrode-clamping element being designed such that, in the clamping state, the electrode-clamping element applies clamping force to a main surface of one of the electrode elements and presses the electrode element in question against the stacking finger in question by means of the force application.
Absstract of: US2025140925A1
A battery cell includes an electrolyte, positive and negative electrode plates, and a separator provided between the positive and negative electrode plates. The electrolyte includes a lithium salt including lithium hexafluorophosphate, a mass percentage of which with respect to a total mass of the electrolyte ranges from 15% to 20%. The positive/negative electrode plate includes a positive/negative electrode current collector and a positive/negative electrode film layer provided on at least one side of the positive/negative electrode current collector and containing a positive/negative electrode active material. The negative electrode active material contains carbon and silicon. A mass percentage of silicon with respect to a total mass of the negative electrode active material is greater than or equal to 0.3% and less than or equal to 3.0%.
Absstract of: US2025140920A1
The present invention provides a high-performance organic lithium-bromine battery enabled by two-electron redox chemistry. The battery includes a bromide-based cathode, an anode, an organic electrolyte disposed in a space between the bromide-based cathode and the anode, featuring an organic solvent with chloride ions-containing additives, and a separator positioned between the bromide-based cathode and anode. The chloride ions within the organic electrolyte trigger a conversion of positively charged bromine ions, facilitating an additional electron transfer and resulting in a capacity of at least 600 mAh g−1, and elevates an output plateau to 3.8 V, thereby achieving an energy density of at least 2000 Wh kg−1Br.
Absstract of: US2025140915A1
A lithium ion conductor contains a solid electrolyte containing Li, La, Zr, and O and having a garnet-type or garnet-like crystal structure and an electrolyte solution in which a lithium salt is dissolved in at least one organic solvent. The organic solvent includes sulfolane or a sulfolane derivative, and, in the electrolyte solution, the molality of the lithium salt is 1.4 mol/kg or more. The percentage of the volume of the solid electrolyte to the total of the volume of the solid electrolyte and the volume of the electrolyte solution is 52% or more and less than 100%. The sheet and the power storage device contain the lithium ion conductor.
Nº publicación: US2025141035A1 01/05/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Absstract of: US2025141035A1
A battery pack includes a cell stack including one or more battery cells, including a pack case. The pack case includes a base plate supporting a lower portion of the cell stack; a main wall extending across the base plate and coupled to a center portion of the base plate; a side wall having a hollow shape and including a gas venting path therein, and coupled along an edge of the base plate; and a plurality of supplementary wall having a front end coupled to the main wall, and a rear end coupled to the side walls. The supplementary wall includes a first partition member including a pair of ribs along a longitudinal direction of the supplementary wall, and a second partition member coupled to the first partition member. At least one of the first partition member and the second partition member includes a first hole between the ribs.
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