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1089
results.
Updated on
22/08/2026 [07:48:00]
Results 825 to 850 of 1089
Absstract of: WO2026168366A1
This negative electrode for a lithium ion secondary battery comprises a negative electrode current collector (32) and a negative electrode active material layer (34) that is in contact with at least one surface of the negative electrode current collector (32). The negative electrode current collector (32) has a shiny surface and a matte surface which has a surface roughness (Ra) greater than that of the shiny surface. A surface roughness ratio obtained by dividing the surface roughness of the shiny surface by the surface roughness of the matte surface is 15% to 80% inclusive. The surface roughness of the matte surface is 102 nm to 238 nm inclusive. The negative electrode active material layer has a negative electrode active material that contains silicon, and an organic additive that comprises diaminodiphenylmethane in the structure.
Absstract of: DE102025105464A1
Ein Verfahren zur Herstellung von positiven Elektrodenpartikeln, auf die Keramikpartikel und einer kontinuierliche Glasphasenschicht aufgetragen wird unter Verwendung einer Nassmischung und einer einstufigen Sinterung umfasst die folgenden Schritte: Vermischen einer Lithiumquelle, eines glasartigen Leitervorläufers, eines LLZO-Vorläufers und eines Dispergiermittels, um mithilfe eines Mischers eine erste Vorläufermassenaufschlämmung zu bilden; dann Vermischen eines Nickel-Kobalt-Manganhydroxid-Vorläufers und der ersten Vorläufermassenaufschlämmung, um eine zweite Vorläufermassenaufschlämmung zu bilden; dann Trocknen der zweiten Vorläufermassenaufschlämmung, um ein Vorläuferpulver zu erhalten; dann Platzierung des Vorläuferpulvers in einem Sinterofen und Durchführung einer sauerstoffunterstützten Sinterung, um ein gesintertes Pulver zu erhalten, das aus einer Vielzahl von positiven Elektrodenpartikeln besteht. Jeder der positiven Elektrodenpartikel umfasst einen mit einer Glasphasenschicht beschichteten NCM-Partikel und mehrere LLZO-Partikel.
Absstract of: WO2026167811A1
A binder for use as a component of an electrode for a nonaqueous secondary battery, said binder including a polymer X which includes a polymer block A having a glass transition temperature of 25°C or greater, and a polymer block B having a glass transition temperature of 0°C or less.
Absstract of: US20260237679A1
0000 The negative electrode body includes a current collector, and a negative electrode material layer provided on the current collector. The negative electrode material layer includes first active material particles containing a carbon material, second active material particles containing a silicon-based material, the second active material particles being dispersed among the first active material particles, and a sublimable material provided with a void among the first active material particles, the sublimable material being adhered to the second active material particles. The sublimable material is solid under a standard condition and has a property of subliming at a temperature of about 200° C. or lower, under a reduced-pressure condition, or under both.
Absstract of: WO2026166256A1
The present application relates to a solid-state battery and a manufacturing method therefor, a doped/coated modified oxide-based positive electrode active material, a positive electrode sheet and an electric device. The solid-state battery comprises a positive electrode active layer, wherein the positive electrode active layer comprises a doped/coated modified oxide-based positive electrode active material and a sulfide solid electrolyte; and the doped/coated modified oxide-based positive electrode active material comprises a positive electrode active bulk and a coating layer located on at least part of the surface of the positive electrode active bulk, wherein the positive electrode active bulk comprises a doped oxide-based positive electrode active material, the doped oxide-based positive electrode active material comprises a doping element, the coating layer comprises a carbon composite oxygen-absorbing material, the carbon composite oxygen-absorbing material is a composite material based on a carbon conductive material and an oxygen-absorbing material, and the oxygen-absorbing material comprises an oxide-based oxygen-absorbing material.
Absstract of: US20260237766A1
0000 Systems and methods are disclosed for recovering lithium inventory and extending the operational life of lithium manganese iron phosphate (LMFP) batteries exhibiting multiphase electrochemical behavior. In example implementations, a battery cell configured with LMFP cathode materials having phase-dependent lithium transport characteristics undergoes a controlled recovery operation initiated in response to aging indicators. The recovery operation includes regulating the battery cell to a defined elevated temperature range for at least one phase of a multiphase reaction and directing a charging process while the cell is within the temperature range to promote lithium-ion migration from less accessible regions to active electrochemical sites. In some implementations, the charging process includes a low-rate charge followed by a normal-rate discharge. The disclosed techniques may be implemented by a battery management system and are applicable to vehicle, industrial, and stationary energy storage systems to improve capacity retention, operational stability, and lifecycle performance of aged LMFP batteries.
Absstract of: US20260237765A1
0000 An apparatus for pressurized pre-charging according to an embodiment of the present disclosure is configured to include a pressurization device applying pressure to or releasing applied pressure from a plurality of battery cells; and a pre-charger performing first pre-charging on the plurality of battery cells in a state pressurized by the pressurization device before a rest period, stopping the first pre-charging during the rest period, and performing second pre-charging on the plurality of battery cells in a state pressurized by the pressurization device after the rest period, wherein the pressurization device performs pressurization against the plurality of battery cells for the first pre-charging and the second pre-charging, and performs depressurization on the plurality of battery cells during the rest period.
Absstract of: WO2026169108A1
The present invention relates to a negative electrode active material for a sodium secondary battery, and a negative electrode and a sodium secondary battery each comprising same. More specifically, the present invention relates to a negative electrode active material for a sodium secondary battery and a method for preparing same, wherein the negative electrode active material has a pore structure capable of reversibly intercalating and de-intercalating sodium ions by form a large amount of closed pores in the active material through performing a carbonization process after modifying the surface of a carbon precursor by alkaline hydrolysis.
Absstract of: WO2026168868A1
A technical idea of the present invention provides a cell assembly including: a cell block including a plurality of battery cells; a frame facing the cell block; and a plurality of compressible pads provided between the cell block and the frame and in contact with the cell block, respectively.
Absstract of: WO2026167356A1
A sodium-ion cell (20) comprises an anode compartment and a cathode compartment (24) on either side of an electrolyte element (10), wherein the cathode compartment (24) contains a material (25) into which sodium ions can reversibly intercalate, the anode compartment may contain sodium metal (26), and wherein the electrolyte element (10) comprises a perforated sheet (12) of a metal, and a non-permeable layer (16b) of sodium-ion-conducting ceramic bonded to one face of the perforated sheet (12) by a porous and permeable ceramic sub-layer (16a).
Absstract of: DE102025105350A1
Verfahren (200) zur Nachbehandlung einer deponierten Festelektrolytseparatorschicht (102), wobei die Festelektrolytseparatorschicht (102) auf einem Stromsammler (101) aus Metall oder metallisierter Polymerfolie aufgebracht ist und mechanische Spannungen sowie Kristallitspannungen aufweist, das Verfahren umfassend: Erwärmen (202) der Festelektrolytseparatorschicht (102) durch Lichtabsorption auf eine vorgegebene Temperatur oberhalb einer materialbedingten Temperaturschwelle, wodurch die mechanischen Spannungen in der Festelektrolytseparatorschicht (102) vermindert werden.
Absstract of: WO2026168879A1
According to example embodiments, a battery cell transport tray is provided. The battery cell transport tray comprises: a bottom portion accommodating a battery cell; a first side wall erected upward from one end of the bottom portion; a second side wall erected upward from the other end of the bottom portion while facing the first side wall; and reinforcing side walls which are erected upward from the side ends of the bottom portion between the first side wall and the second side wall and installed with a height lower than the first side wall and the second side wall. The first side wall and the second side wall may each further include a plurality of handle openings on the upper portion thereof.
Absstract of: WO2026167580A1
The present invention relates to a method for producing artificial graphite electrode material. The method comprises mixing a carbonaceous material with a carbon precursor to form a precursor mixture; subjecting the precursor mixture to stepwise heating, including an intermediate soaking step at about 300°C to about 900°C to obtain a treated mixture; and heating the treated mixture at about 2400°C to about 3000°C to obtain the electrode material. The electrode material obtained from the method of present invention exhibits a degree of anisotropy of crystal grain alignment of less than about 3.5 and an average particle size of about 10 µm to about 20 µm. The particles are shaped before mixing to reduce edges and increase circularity. The electrode material is optionally coated with amorphous carbon at about 900°C to about 1300°C.
Absstract of: US20260233177A1
A battery paste mixer condensation assembly includes one or more ducts, a condenser, a basin, and one or more pipes. The duct(s) is in fluid communication with a battery paste mixer. Exiting gas from the battery paste mixer can travel through the duct(s). The condenser is situated downstream of the duct(s). The basin is situated near the condenser. Condensed liquid from the condenser is deposited in the basin. The pipe(s) is in fluid communication with the basin and is in fluid communication with the battery paste mixer. Deposited liquid in the basin can travel from the basin and to the battery paste mixer by way of the pipe(s).
Absstract of: WO2026168586A1
Provided is a negative electrode for a lithium-ion secondary battery, the electrode containing a negative electrode current collector layer and a negative electrode active material layer (2). A negative electrode active material contained in the negative electrode active material layer (2) contains a silicon-based active material. A binder contained in the negative electrode active material layer (2) contains a polycarboxylic acid-based polymer. The tensile strength of the negative electrode current collector layer is 250 MPa or more, as measured under conditions of a tensile speed of 200 mm/min and a temperature of 25°C in accordance with JIS Z 2241: 2011.
Absstract of: WO2026168777A1
Disclosed are a battery cell, a battery pack and a vehicle including same, and a positive electrode current collector plate. A battery cell according to an embodiment of the present invention comprises: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator; a battery can accommodating the electrode assembly; a positive electrode terminal; and a positive electrode current collector plate electrically connected to the electrode assembly and the positive electrode terminal, wherein the positive electrode current collector plate has an inner groove formed in a portion with which a welding device comes into contact.
Absstract of: WO2026166273A1
A solid-state battery cell and a preparation method therefor, a battery device and an electric device. The solid-state battery cell of the present application comprises a positive electrode sheet, a negative electrode sheet and a solid electrolyte, wherein the solid electrolyte comprises a sulfide; the positive electrode sheet comprises a positive electrode material; and a separator layer is arranged between the positive electrode sheet and the sulfide solid electrolyte, and comprises a compound Li3-nA1-xBxCl6-a-bBraFb. The cycling stability and fast charging performance of the solid-state battery cell are improved.
Absstract of: US20260237666A1
A solid-state battery includes a current collector, an electrode active material layer disposed on at least one principal face of the current collector, an insulating layer disposed on the one principal face of the current collector so as to be in contact with an end portion of the electrode active material layer, and a solid electrolyte layer disposed on the electrode active material layer and the insulating layer, in which a Young's modulus of the insulating layer is smaller than a Young's modulus of the electrode active material layer.
Absstract of: US20260237849A1
0000 A battery cell includes C cathode electrodes including a cathode active material layer arranged on one or both sides of a cathode current collector, A anode electrodes, and S separators arranged between adjacent ones of the C cathode electrodes and the A anode electrodes, where C, S and A are integers greater than one. Each of the A anode electrodes includes an anode current collector, a lithium silicide layer arranged on the anode current collector, and an artificial solid electrolyte interface arranged in first regions on one side of the lithium silicide layer and not in second regions on the one side of the lithium silicide layer. The artificial solid electrolyte interface includes one or more materials selected from a group consisting of lithium carbonate (Li<2>CO<3>), lithium nitride (Li<3>N), lithium oxide (Li<2>O), lithium phosphide (Li<3>P), lithium phosphate (Li<3>PO<4>), and combinations thereof.
Absstract of: US20260238014A1
0000 A home energy management system (HEMS) includes a first battery and a power converter. The power converter includes: a high-voltage direct current (HVDC) bus having a positive conductor and a reference conductor defining a DC voltage of at least 270V therebetween; an inverter configured to: convert alternating current (AC) power from a utility grid source to HVDC power on the HVDC bus for charging the first battery, and to convert power from the HVDC bus to AC power for supplying a home load; and a bi-directional DC-DC converter configured to transmit power between the HVDC bus and the first battery. The HEMS further includes: a HVDC plug configured to selectively connect the HVDC bus to a second battery located onboard an electrified vehicle, or the first battery is configured to be physically and electrically disconnected from the utility grid source and swapped-out with another battery of the electrified vehicle.
Absstract of: WO2026169894A1
An anode for a lithium-ion energy storage device may include a current collector with an electrically conductive layer and a lithium storage layer overlaying the current collector. The lithium storage layer can have a thickness of at least 500 nm and may contain at least 40 atomic % silicon, wherein the atomic % is relative to a total of non-hydrogen atoms, 0.5 – 50 atomic % nitrogen, and 0.1 - 25 atomic % hydrogen relative to a total of all atoms.
Absstract of: WO2026168865A1
A battery cell according to one embodiment of the present invention includes: an electrode assembly in which a first electrode, a second electrode and a separator interposed therebetween are wound with a winding axis as the center thereof to define a core and the outer circumferential surface thereof, the first electrode including a first uncoated portion provided at an end of a long side thereof in the winding direction and exposed to the outside of the separator without being coated with an active material layer, and at least a portion of the first uncoated portion itself being used as an electrode tab; a battery housing including an opening on one side thereof and accommodating the electrode assembly through the opening; cell terminals passing through a surface located on the opposite side of the opening of the battery housing; and a current collector including an edge portion disposed on one side of the electrode assembly, first uncoated portion coupling portions, which extend inward from the edge portion, are welded to the first uncoated portion and are disposed at a separation of 180 degrees so as to face each other, terminal coupling portions spaced apart from the first uncoated portion coupling portions and welded to the cell terminals, and a bridge portion, which connects the edge portion and the terminal coupling portions and is located between the first uncoated portion coupling portions.
Absstract of: WO2026168774A1
The cell assembly according to an embodiment of the present invention may include: a battery cell stack; a module case for accommodating the battery cell stack; a busbar assembly positioned at at least one side of the battery cell stack; an end plate disposed at at least one side of the module case; and an insulating cover disposed at an inner side of the end plate, wherein a flame retardant layer is formed on the entire or a part of the surface of the insulating cover.
Absstract of: DE102025105466A1
Ein Verfahren zur Herstellung von positiven Elektrodenpartikeln, welche mit Keramikpartikeln beschichtet sind, unter Verwendung einer Trockenmischung und einer einstufigen Sinterung umfasst die folgenden Schritte: Zusammenmischung eines Nickel-Kobalt-Manganhydroxid-Vorläufers, einer Lithiumquelle und eines LLZO-Vorläufers unter Verwendung eines Mischers, um eine Vorläufermischung zu bilden; dann Platzierung der Vorläufermischung in einen Sinterofen und Durchführung einer sauerstoffunterstützten Sinterung, um ein gesintertes Pulver zu erhalten, welches aus mehreren positiven Elektrodenpartikeln gebildet ist, wobei jeder der positiven Elektrodenpartikel einen entsprechenden NCM-Partikel umfasst, der mit mehreren entsprechenden LLZO-Partikeln beschichtet ist; dann Durchführung einer mechanischen Zerkleinerung des gesinterten Pulvers und Durchführung eines Siebvorgangs des gesinterten Pulvers unter Verwendung eines Siebs; dann werden die gesinterten Pulver mit mehreren ersten Kohlenstoffnanoröhren und mehreren amorphen Kohlenstoffen im Nanomaßstab gemischt, um mehrere mit Kohlenstoffmaterial beschichtete positive Elektrodenpartikel zu bilden.
Nº publicación: WO2026168856A1 13/08/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
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Absstract of: WO2026168856A1
A battery module according to an embodiment of the present invention comprises: a cell assembly including a plurality of battery cells; and a bus bar frame configured to cover one side of the cell assembly, guide connection between electrode leads of adjacent battery cells, and enable insertion of a bonding jig for supporting the electrode leads when the electrode leads are connected, wherein the bus bar frame may have a supporter portion configured to fix the inserted bonding jig.
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