Absstract of: WO2026144914A1
An electrolyte, a sodium metal battery cell, a battery apparatus, and an electric apparatus. The sodium metal battery cell comprises the electrolyte. The electrolyte comprises an electrolyte salt, a non-fluorinated linear ether solvent, and a metal ion additive; the electrolyte salt has a concentration of 0.5 mol/L to 1.5 mol/L; the metal ion additive has a concentration greater than 0.0005 mol/L and less than 1.0 mol/L; and a cation of the metal ion additive includes an alkali metal ion other than a sodium ion, or an alkaline earth metal ion, and an anion of the metal ion additive comprises one or more of sulfate, acetate, formate, phosphate, oxalate, borate, citrate, niobate, tetrafluoroborate, difluoro(oxalato)borate, perchlorate, hexafluorophosphate, trifluoromethanesulfonate, iodate, bis(fluorosulfonyl)imide, arsenate, carbonate, or tantalate. In this way, improved high-temperature storage performance is achieved.
Absstract of: WO2026144934A1
The present application provides a sodium metal battery cell, a battery device and an electric device. The sodium metal battery cell comprises an electrolyte. The electrolyte comprises an electrolyte salt, an ether solvent, and an additive. The concentration of the additive is greater than 0.1 mol/L and less than 0.5 mol/L, and anions of the additive comprise one or more of BF4 -, C4BO8 -, and C2BF2O4 -. The sodium metal battery cell has improved high-temperature storage performance.
Absstract of: WO2026144744A1
A solid-state battery cell, an electrolyte sheet and a preparation method therefor, a battery apparatus, and an electrical apparatus. The solid-state battery cell comprises an electrolyte sheet and a negative electrode sheet. The electrolyte sheet comprises: a solid-state electrolyte base layer and an electron blocking layer, the electron blocking layer being disposed on the side of the solid-state electrolyte base layer close to the negative electrode sheet. The electron blocking layer comprises CsXMyMoa(CN)b(NO)c·nH2O, where M comprises one or more of Fe, Co, Ni, Cu, Zn, Mg, Ca, Sr, and Ba; and 0.6≤x≤1.5, 0.75≤y≤1.2, 0.8≤a≤1.2, 4.5≤b≤5.5, 0.8≤c≤1.3, and 0
Absstract of: WO2026144296A1
The present disclosure provides a solid-state battery cell, a compound and a preparation method therefor, a battery apparatus, and an electrical apparatus. The solid-state battery cell comprises a positive electrode sheet, comprising a compound represented by formula (1): LiXNiaMnbMgTic-fM'fOdSe (formula (1)), where 0.8≤x≤1.8, 0.04≤a≤0.64, 0.04≤b≤0.64, 0.2≤c≤0.8, 0.4≤d≤1.6, 0.6≤e≤2.4, 0≤f≤c, 0≤g≤0.64, M comprises any one or more of Al and Co, and M' comprises any one or more of Nb, Ru, and Rh. The energy density of the solid-state battery cell can be improved, and the specific capacity of the compound as a positive electrode active material is increased. The battery apparatus and the electrical apparatus comprising the solid-state battery cell also have at least the above-mentioned beneficial effects.
Absstract of: AU2025259858A1
SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SOLID-STATE A solid-state battery, including a negative electrode layer and a solid electrolyte layer that is adjacent to the negative electrode layer, the negative electrode layer containing a negative electrode active material and a solid electrolyte, and the negative electrode active material containing complexes that include plural particles, and particles that are not included in the complexes, wherein at least some of the particles that are not included in the complexes penetrate into the solid electrolyte layer. SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SOLID-STATE A solid-state battery, including a negative electrode layer and a solid electrolyte layer that is adjacent to the negative electrode layer, the negative electrode layer containing a negative electrode active material and a solid electrolyte, and the negative electrode active material containing complexes that include plural particles, and particles that are not included in the complexes, wherein at least some of the particles that are not included in the complexes penetrate into the solid electrolyte layer.20 ct - - c t ct c t
Absstract of: WO2026147873A1
Methods and systems for rejuvenation of cathodes, and more particularly, methods and systems for rapid electrothermal rejuvenation of cathodes, such as battery cathodes. In one embodiment, the invention features a method that includes selecting a cathode comprising a cathode material, wherein the cathode material is spent cathode material. The method further includes rejuvenating the cathode material utilizing a metal and dopant. The rejuvenating of the cathode material includes electrothermally treating the spent cathode material utilizing the metal and the dopant to regenerate the spent cathode material in the cathode into rejuvenated and doped cathode material in the cathode.
Absstract of: WO2026146762A1
The present invention relates to a flame retardant surface pressure pad comprising foam layers and blocking layers, the layers being positioned between battery cells to prevent or delay thermal runaway, wherein the foam layers comprise a polymer foam impregnated with a flame retardant which is an inorganic phosphorus binder, and the blocking layers block heat propagation between the battery cells, each of which is disposed on either side of the flame retardant surface pressure pad.
Absstract of: DE102025100575A1
Beschrieben wird eine Batteriezelle für eine Energiespeichervorrichtung, mit einer positiven Elektrode, einer negativen Elektrode und einem flüssigen Elektrolyten, wobei die negative Elektrode PTFE umfasst und der flüssige Elektrolyt umfasst mindestens ein Additiv, wobei die Zersetzungsspannung des mindestens einen Additivs größer als 0,8 V gegenüber Li/Li+ als Referenzsystem ist.
Absstract of: WO2026146834A1
A cooling module assembly according to an embodiment of the present invention comprises a cooling module comprising: a cold plate; an upper storage unit accommodating an upper battery module on one surface of the cold plate; and a lower storage unit accommodating a lower battery module on the other surface of the cold plate, wherein the cold plate may include therein a cooling flow path through which a cooling fluid flows.
Absstract of: WO2026146972A1
A battery device according to embodiments comprises: a plurality of battery cells; a housing having an accommodation space for accommodating the plurality of battery cells; a lower plate coupled to a lower portion of the housing so as to close a lower side of the accommodation space; and a cooling member filled in the accommodation space so as to be in contact with at least one of the plurality of battery cells, wherein the cooling member includes a phase change material, a thickener, and a flame retardant, and the lower plate can be coupled to the housing by means of an adhesive member.
Absstract of: DE102024139316A1
Die Erfindung betrifft ein Kühlsystem (100) mit einem Vorlauf (102) und mit einem Rücklauf (104), die jeweils aus einem Innenrohr (106) zum Transport eines Kühlmediums (108) und einer umfangsseitig um das Innenrohr (106) angeordneten Außenhülle (110) bestehen, wobei im Vorlauf (102) und/oder im Rücklauf (104) zwischen dem Innenrohr (106) und der Außenhülle (110) ein Phasenwechselmaterial (112) angeordnet ist. Ferner betrifft die Erfindung auch ein Fahrzeug mit einem derartigen Kühlsystem (100).
Absstract of: WO2026147059A1
The present disclosure relates to an electrode assembly and a secondary battery including same and addresses the technical problem of providing: an electrode assembly in which the impregnation performance of an electrolyte is improved and smooth venting performance can be achieved during thermal runaway; and a secondary battery including same. To this end, the present disclosure provides an electrode assembly comprising: a first electrode plate wound around a winding axis; a second electrode plate arranged facing the first electrode plate; a separator disposed between the first electrode plate and the second electrode plate; and a first tab member that extends from the first electrode plate and includes an inner tab member and an outer tab member that are spaced apart from each other along a radial direction about the winding axis, wherein the distance from the winding axis to the outer tab member is greater than the distance from the winding axis to the inner tab member.
Absstract of: DE102025100316A1
Eine Batteriezelle weist eine Kathode, einen Anode und einen Separator auf, wobei die Kathode einen Kathoden-Stromkollektor und ein zwischen dem Kathoden-Stromkollektor und dem Separator angeordnetes, poröses Kathoden-Aktivmaterial aufweist, wobei die Anode einen Anoden-Stromkollektor und ein zwischen dem Anoden-Stromkollektor und dem Separator angeordnetes, poröses Anoden-Aktivmaterial aufweist. In dem Kathoden-Aktivmaterial und/oder dem Anoden-Aktivmaterial befinden sich längliche Strukturen, die porös und/oder nicht-leitend sind. Die Batteriezelle kann in einer Traktionsbatterie eines Fahrzeugs verwendet werden.
Absstract of: WO2026147111A1
The present invention relates to a secondary battery in which weld strength during welding is improved due to surface-treating a welding area to be welded on a current collector plate by laser etching to remove oil from the surface such that the dyne pen level and surface tension of the welding area are higher than those of other areas. One embodiment of the present invention provides a secondary battery comprising: an electrode assembly having a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and having an open bottom; a terminal coupled to the case by penetrating the top surface; a first current collector plate interposed between the top surface of the electrode assembly and the case and electrically connecting the first electrode plate and the terminal; and a cap plate sealing the bottom of the case, wherein a welding area of the first current collector plate to be welded to the electrode assembly has greater surface tension than other areas.
Absstract of: DE102025107913A1
Batterien, Fahrzeuge mit Batterien und Verfahren zur Herstellung von Batterien werden bereitgestellt. Ein Verfahren zur Herstellung einer Batterie umfasst Bilden eines amphiphilen Polymer-Dispergiermittels, Bilden einer wässrigen Kathodenmaterialaufschlämmung durch gleichzeitiges oder aufeinanderfolgendes Zugeben zu Wasser: des amphiphilen Polymer-Dispergiermittels, eines positiven elektroaktiven Materials und eines Bindemittels und Bilden einer Kathode aus der wässrigen Kathodenmaterialaufschlämmung.
Absstract of: WO2026148181A1
Synthesizing a garnet-type lithium lanthanum zirconate includes combining a lithium component and a doped pyrochlore to yield a mixture and plasma processing the mixture under ambient conditions to yield the garnet-type lithium lanthanum zirconate.
Absstract of: WO2026144656A1
A lithium-ion battery (100) and an electric device. The lithium-ion battery (100) comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte. The positive electrode sheet comprises a compound containing nickel and cobalt. The compound containing nickel and cobalt comprises a layered lithium-containing transition metal oxide, wherein the ratio of the molar amount of nickel to the total molar amount of the transition metal element is within the range of 0.50-0.75, and the ratio of the molar amount of cobalt to the total molar amount of the transition metal element is within the range of 0.05-0.20. The negative electrode sheet comprises a negative electrode active material, wherein the negative electrode active material comprises artificial graphite, and the gram capacity of the negative electrode active material is within the range of 345-400 mAh/g.
Absstract of: WO2026144342A1
Disclosed in the present disclosure is a baking system, comprising an oven and fixtures. The oven comprises an opening, and a first side wall and a second side wall which are located on two sides of the opening, wherein the first side wall is provided with first support assemblies, and the second side wall is provided with second support assemblies arranged opposite the first support assemblies; and at least two groups of opposing first support assembly and second support assembly are provided and spaced apart in a target direction so as to form a plurality of accommodating spaces inside the oven, the target direction, the opening orientation, and the arrangement direction of the first side wall and the second side wall being perpendicular in a pairwise manner. Each fixture comprises a heating plate and a frame that restrains a battery, the heating plate being configured for the frame to be disposed thereon and configured to heat the battery disposed in the frame; and the fixture is located in the accommodating space, and is disposed on the opposing first support assembly and second support assembly by means of the heating plate thereof.
Absstract of: WO2026145238A1
Provided is a battery cell, the battery cell comprising a housing, a first electrode terminal and an electrode assembly. The first electrode terminal is arranged on a wall portion of the housing. The electrode assembly is arranged in the housing, and comprises a first electrode sheet; the first electrode sheet comprises an electrode sheet body and a first tab, the first tab being arranged on one side of the electrode sheet body in a first direction; the first tab comprises a first portion and a second portion, the first portion and the first electrode terminal being welded to form a first welding mark, and the second portion being connected to the first portion and the electrode sheet body; and in a second direction, the size of the second portion is greater than the size of the first portion, and the second portion protrudes outward from at least one side of the first portion. The battery cell has high reliability.
Absstract of: DE102024138371A1
Die Erfindung betrifft eine Brennkraftmaschine-Anordnung (1), insbesondere für ein Kraftfahrzeug (20). Die Brennkraftmaschinen-Anordnung (1) umfasst eine Brennkraftmaschine (2) zum Antreiben des Kraftfahrzeugs (20). Die Brennkraftmaschinen-Anordnung umfasst (1) ferner ein Thermomanagementmodul (3), aufweisend einen Kältemittelkreislauf (22), in welchem ein erstes Thermofluid (F1) zirkulierbar ist, und außerdem aufweisend einen ersten Wärmeübertrager (4a) und einen zweiten Wärmeübertrager (4b), die beide zur wärmeübertragenden und mediengetrennten Kopplung des ersten Thermofluids (F1) mit wenigstens einem zweiten Thermofluid (F2) im Kältemittelkreislauf (22) angeordnet sind. Erfindungsgemäß ist das Thermomanagementmodul (3) an der Brennkraftmaschine (2) befestigt.
Absstract of: US20260193538A1
Polymer blends having an organic nitrile-based copolymer, and a phenol-based polymer or a phenol-based copolymer. The organic nitrile-based copolymer has structural units comprising the residue of a substituted or unsubstituted, unsaturated organic nitrile monomer, and structural units comprising the residue of a substituted or unsubstituted, conjugated diene monomer. The phenol-based polymer has structural units comprising the residue of a substituted or unsubstituted, unsaturated phenolic monomer. The phenol-based copolymer has structural units comprising the residue of a substituted or unsubstituted, unsaturated coupled phenolic resin. The organic nitrile-based copolymer is present in an amount from about 0.5 wt % to about 99.5 wt %, and the phenol-based polymer, or the phenol-based copolymer, is present in an amount from about 0.5 wt % to about 99.5 wt %, based on the total weight of the polymer blend. The polymer blends are effective as synergistic dispersants.
Absstract of: US20260196559A1
0000 An electrolyte, a battery cell for a vehicle including the electrolyte, and a method of forming the electrolyte. The electrolyte includes a solution of lithium difluoro (oxalato) borate, a solvent, and a diluent. The lithium difluoro (oxalato) borate is present at a molar ratio of 1, the solvent is present at a molar ratio in the range of 1 to 3 and the diluent is present at a molar ratio in the range of 1 to 6.
Absstract of: US20260196689A1
A solid-state battery system includes a solid-state battery unit that comprises an anode, a cathode, and a solid electrolyte separator positioned between them to facilitate ion conduction. The system also features a reference electrode that is electrically isolated from both the anode and the cathode. This reference electrode is designed in a way that does not interfere with the ionic flow between the anode and the cathode, allowing for real-time monitoring of the anode potential during the battery's operation.
Absstract of: WO2026146932A1
The present invention relates to an electrode for a secondary battery having excellent oxidation resistance, stability, and durability by including a protective layer having a thin and uniform thickness, and to a secondary battery comprising same. The electrode comprises: a substrate layer; and a protective layer provided on the substrate layer, wherein the protective layer satisfies Equation 1 below. Equation 1 0 < IQR/Median ≤ 0.5 In Equation 1, IQR denotes the interquartile range for thickness data of at least 100 arbitrary points of the protective layer, and Median denotes the median of the thickness data.
Nº publicación: WO2026147002A1 09/07/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
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Absstract of: WO2026147002A1
The present invention provides a battery pack in which an internal circuit of a battery management integrated chip (BMIC) is designed more robustly through efficient configuration of unused input pins (the number of channels) in the BMIC. A battery pack according to an embodiment is a battery pack which reads measured voltage values of each of two or more battery cells constituting a battery module, and comprises: a battery monitoring integrated circuit (BMIC) having two or more input pins connected to the battery cells to read measurement signals; and a battery module having output pins respectively connected to the input pins to output the measurement signals to the BMIC, wherein the input pins are sequentially connected starting from the cell having the highest sum voltage from the ground among the battery cells, and the output pins are sequentially connected starting from a channel having the highest allowable input limit value of the BMIC.