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1535
resultados
Última actualización
02/10/2025 [07:24:00]
Resultados 1275 a 1300 de 1535
Resumen de: WO2025192226A1
The present invention provides a sulfide solid electrolyte production method comprising: obtaining a sulfide solid electrolyte containing a lithium atom, a sulfur atom, and a phosphorus atom, the sulfide solid electrolyte being capable of easily removing a metal foreign substance; and separating the sulfide solid electrolyte and a metal foreign substance on the basis of a difference in a property between the two to remove the metal foreign substance, wherein the property is at least one property selected from among average particle diameter, specific gravity, and magnetism. The present invention also provides a production apparatus to be used for the production method.
Resumen de: WO2025192169A1
A zinc secondary battery (1) comprises: an electrode laminate (3); a case (2) which accommodates the electrode laminate (3); and an alkaline electrolyte solution (4) which is accommodated in the case (2) and in which the entire electrode laminate (3) is immersed. The electrode laminate (3) comprises: a positive electrode plate (31) that includes a positive electrode active material layer (312); a negative electrode plate (32) that faces the positive electrode plate (31) while being positioned away from the positive electrode plate (31) in the thickness direction thereof, the negative electrode plate (32) comprising a negative electrode active material layer (322) that comprises at least one selected from the group consisting of zinc, zinc oxide, a zinc alloy, and a zinc compound; and a separator (33) that isolates the positive electrode plate (31) from the negative electrode plate (32) and can conduct hydroxide ions. An excess volume ratio, which is the percentage of a second volume V2 of the space from a ceiling surface (23) of the case (2), the ceiling surface serving as the upper end of the internal space, to a liquid surface (41) of the alkaline electrolyte solution (4), to a first volume V1 of the internal space of the case (2), is 3% or less.
Resumen de: WO2025189777A1
The present invention relates to the technical field of batteries, and specifically relates to a positive electrode material and a preparation method therefor and a use thereof. A positive electrode material, comprising a positive electrode matrix and a coating layer applied on at least part of the surface of the positive electrode matrix. The chemical formula of the positive electrode matrix is LiaNixCoyMnzMbO2, wherein 0.97≤a≤1.1, 0.50≤x＜1.0, 0＜y≤0.1, 0＜z ≤0.1, x+y+z+b＝1, and the ion M in the positive electrode matrix is selected from at least one of Sb5+, Ti4+, Zr4+, V5+, Nb5+, W6+ and Mo6+; and the coating layer contains Li2SO4. The positive electrode material has low surface residual alkali and good structural stability, and can improve the cycle performance and safety performance of a battery.
Resumen de: WO2025189707A1
The present application discloses a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. The positive electrode active material comprises a layered transition metal oxide, and the layered transition metal oxide comprises a first phase. In an X-ray diffraction pattern obtained using CuKα radiation as a radiation source, the positive electrode active material exhibits a primary peak and a secondary peak within a 2θ angle range of 15° to 18°, the primary peak corresponds to the first phase, and the ratio of the peak intensity of the primary peak to that of the secondary peak is greater than or equal to 9; and the Dv50 particle size of the positive electrode active material is greater than or equal to 30 μm.
Resumen de: WO2025189816A1
The present application relates to a silicon-containing negative electrode material, a manufacturing method for a coated silicon-based material, a negative electrode film, a solid-state battery and an electrical apparatus. The silicon-containing negative electrode material comprises a coated silicon-based material, and the coated silicon-based material comprises a silicon-based body and an electrolyte coating layer coating at least part of the surface of the silicon-based body, and the electrolyte coating layer contains a sulfide solid electrolyte.
Resumen de: WO2025189373A1
A silicon-carbon composite material, a secondary battery, and an electronic device. A differential capacity-voltage curve of the silicon-carbon composite material during delithiation has characteristic peaks in a range of 250 mV to 300 mV and in a range of 600 mV to 750 mV, respectively, and the peak height a of the characteristic peak in the range of 600 mV to 750 mV and the peak height b of the characteristic peak in the range of 250 mV to 300 mV satisfy: 0.35≤a/b≤0.4. The silicon-carbon composite material satisfying the peak height ratio of the characteristic peaks has good initial Coulombic efficiency, cycle performance, expansion performance and rate performance whiling having a high capacity per gram, and can effectively improve the energy density, cycle performance and rate performance of secondary batteries.
Resumen de: WO2025192501A1
This power storage element comprises: a container; a terminal including a terminal body and a shaft body extending in a first direction from the terminal body; and an insulation member disposed between the terminal body and a wall portion of the container. The shaft body penetrates the insulation member and the wall portion. The terminal body includes: a projecting portion projecting toward the wall portion; and an intermediate portion facing the wall portion and at least partly parallel to the wall portion. When viewed from the first direction, at least a part of the projecting portion is positioned at an end of the terminal body, the intermediate portion is positioned between the projecting portion and the shaft body, and the distance between the tip in the first direction of the projecting portion and the wall portion is shorter than a minimum distance between the intermediate portion and the wall portion.
Resumen de: WO2025192416A1
Disclosed is a positive electrode active material that comprises secondary particles which are each an aggregate of a plurality of primary particles, wherein: the plurality of primary particles each contain a lithium transition metal composite oxide; at least some of the plurality of primary particles are each covered with a coating film; the coating film contains a constituent element Mx that is an inorganic substance which has a vapor pressure of 1 atm or less at 400°C; and if R is the radius of the secondary particles, primary particles which are covered with a coating film that has a thickness T1 of 5 nm or less are present at a depth of 0.8R or more from the surfaces of the secondary particles.
Resumen de: WO2025192347A1
Provided is a laminate which comprises, in the following order, a base layer, a first adhesive layer, a metal foil layer, a second adhesive layer, and a sealant layer, wherein the sealant layer comprises a polypropylene-based resin and a polyethylene-based resin. When the composite modulus of a cross-section of the sealant layer at an indentation depth of 1,000 nm in a 25°C environment is referred to as a first composite modulus and the composite modulus of the cross-section of the sealant layer at an indentation depth of 1,000 nm in an 80°C environment is referred to as a second composite modulus, then a value obtained by dividing the second composite modulus by the first composite modulus is 0.20 or greater.
Resumen de: WO2025191890A1
Problem To provide a technology for synthesizing a lithium composite metal oxide having a garnet-type crystal structure and a high ion conductivity even when fired at a low temperature of 700ºC or lower. Solution An amorphous composite metal oxide powder containing La and Zr contains 40-62 mass% of La, 8-26 mass% of Zr, and 1-20 mass% of one or two of metal elements M that can take any oxidation number of 3-6, preferably, Ta and Nb, has a carbon content of at most 1.5 mass%, and contains a remainder consisting of oxygen and inevitable impurities. The amorphous composite metal oxide powder is used as a precursor for producing a single-phase garnet-type lithium composite metal oxide.
Resumen de: WO2025189399A1
A silicon-carbon composite material, a preparation method therefor and a secondary battery. The silicon-carbon composite material comprises a core and a shell on the surface of the core, wherein the shell comprises a carbon material, and the core comprises a porous carbon substrate, elemental silicon and silicon carbide. The elemental silicon and the silicon carbide are dispersed in the porous carbon substrate, and the silicon-carbon composite material satisfies: b<a<1 nm, where a is the size of the elemental silicon, and b is the size of the silicon carbide. The silicon-carbon composite material has a relatively high specific capacity, and also excellent rate, cycling and expansion performance.
Resumen de: WO2025189370A1
A silicon-carbon composite material, a secondary battery and an electronic device. The differential capacity-voltage curve of the silicon-carbon composite material during delithiation exhibits characteristic peaks at 250 mV to 300 mV, 400 mV to 500 mV and 600 mV to 750 mV respectively, and the peak height A of the characteristic peak at 250 mV to 300 mV, the peak height B of the characteristic peak at 400 mV to 500 mV and the peak height C of the characteristic peak at 600 mV to 750 mV satisfy: 0.9≤(B+C)/A≤1. The silicon-carbon composite material with the characteristic peak height meeting the conditions has excellent initial coulombic efficiency, cycle performance, expansion performance and rate performance while having higher specific capacity, and can effectively improve the energy density, the cycle performance and the rate performance of secondary batteries.
Resumen de: WO2025189721A1
A single battery, and a battery pack. The single battery comprises: a cover assembly (1), the cover assembly (1) comprising a top cover (11) and electrode columns (12); a cell assembly (2), the cell assembly (2) comprising a main body (21) and tab bundles (22) connected thereto; plate pieces (3), cooperating with the electrode columns (12) to grip the tab bundles (22), wherein the plate pieces (3), the tab bundles (22) and the electrode columns (12) are welded and fixed; and connecting pieces (4), wherein the plate pieces are also connected to the electrode columns by means of the connecting pieces (4), and the connecting pieces (4) are located outside of the tab bundles (22). In addition to being connected by means of welding, the plate pieces (3) and the electrode columns (12) are also fixed by means of the connecting pieces (4) outside of tab areas, so that the connections are more reliable and stable. In addition, the connecting pieces (4) can be used for reference positioning when the tab bundles (22) are placed, thereby ensuring that the placement positions tend to be consistent when tabs of different cells are welded, and improving the welding quality of a cell group.
Resumen de: WO2025192143A1
The present disclosure accelerates the response timing of a PTC element. The battery sealing body (30) of the present disclosure comprises: a sealing plate (31); a cap (44); a PTC element unit (45) that is sandwiched between the sealing plate (31) and the cap (44) and that has a first main surface (45a) abutting the sealing plate (31) and a second main surface (45b) abutting the cap (44); and a gasket (47) that is provided to the outer peripheral parts of the sealing plate (31) and the cap (44). The sealing plate (31) and the cap (44) are electrically connected with the PTC element unit (45) therebetween. Where the abutment area between the sealing plate (31) and the first main surface (45a) is S1 and the abutment area between the cap (44) and the second main surface (45b) is S2, S1 > S2 is satisfied.
Resumen de: WO2025191994A1
This lead-acid battery includes a positive electrode plate, a negative electrode plate, a separator interposed between the positive electrode plate and the negative electrode plate, and a non-woven fabric. The positive electrode plate includes a positive electrode current collector and a positive electrode material. The non-woven fabric is attached to the surface of the positive electrode plate. The density of the positive electrode material extracted from the lead-acid battery in a formed and fully charged state is less than 4.25 g/cm3, and the air resistance of the non-woven fabric extracted from the lead-acid battery in a formed and fully charged state is less than 0.08 kPa∙s/m.
Resumen de: WO2025191804A1
Provided is a battery temperature adjustment system capable of further facilitating the temperature management of a battery by using a latent heat storage material. This battery temperature adjustment system according to the present disclosure comprises: a battery pack that accommodates a secondary battery; a pack internal flow path that is disposed inside the battery pack; a pack external flow path that is disposed outside the battery pack; a temperature adjustment circuit in which at least a latent heat storage material is filled in the pack internal flow path; and a temperature adjustment device that adjusts the temperature of the latent heat storage material in the pack external flow path.
Resumen de: WO2025192065A1
Disclosed is a battery with which it is possible to ensure the strength of a terminal while improving structure efficiency around the terminal and a current collector. A battery according to the present disclosure has an electrode laminate, a current collector, and a terminal. The electrode laminate is electrically connected to the terminal via the current collector. The terminal has a base, a protrusion, and an opening. The protrusion protrudes from the base toward the electrode laminate. The shape of the opening is defined by the protrusion. The current collector is inserted into the opening and connected to the terminal. A portion of the protrusion is thicker than other portions of the protrusion.
Resumen de: WO2025192066A1
A battery cell tray according to the present disclosure comprises: a tray body; a partitioning part that protrudes upward from an upper surface of the tray body so as to thereby partition a storage region for a battery cell placed on the tray body; a recessed part that extends from a lower surface side of the tray body and toward the inside of the partitioning part; and a skeleton member that is embedded inside the recessed part. In the battery cell tray, by merely embedding the skeleton member inside the partitioning part from the lower surface side of the tray body, the strength of the partitioning part is enhanced by the skeleton member.
Resumen de: WO2025192009A1
Provided is an aqueous solution recovery method with which it is possible to recover lithium contained in a composite oxide as a lithium-containing aqueous solution. This aqueous solution recovery method for recovering lithium contained in a composite oxide as a lithium-containing aqueous solution includes: a contact step for bringing chlorine or a chlorine compound adjusted so that the substance amount ratio of chlorine to lithium contained in the composite oxide is 1.0-5.5 into contact with the composite oxide at a temperature of 500-1350°C; and an aqueous solution recovery step for bringing the aqueous solution into contact with the composite oxide and the chlorine or chlorine compound that underwent the contact step, thereby recovering the aqueous solution permeated with the lithium.
Resumen de: WO2025191736A1
This electrode is provided with: a current collector; an active material layer formed on the surface of the current collector; and an alkali metal present in a region of the surface of the active material layer, said region facing another electrode. The alkali metal is scattered in this region. In a square having one side of 1 cm set at any place in the region, the proportion of a portion where the alkali metal covers the active material layer is 1%-90% inclusive immediately after the manufacture of the electrode.
Resumen de: WO2025191687A1
The present invention efficiently recovers valuable metals by deactivating a battery by a method suitable for recycling the battery. The processing method is for a battery configured by accommodating a positive electrode, a negative electrode containing metallic lithium, and a sulfide-based solid electrolyte in a housing. The processing includes a deactivation step for deactivating the sulfide-based solid electrolyte by opening the housing and arranging the battery in an atmosphere of a predetermined humidity.
Resumen de: WO2025191667A1
Provided is a battery management device capable of estimating a deterioration state of a battery with high accuracy in various situations. The battery management device comprises a controller for estimating the deterioration state of the battery. The controller provisionally estimates the deterioration state of the battery by using a plurality of methods including a first method, and estimates the deterioration state of the battery on the basis of a value obtained by adding a weight coefficient to each of the provisional deterioration state estimated by the first method and the provisional deterioration state estimated by another method. Further, the first method estimates the provisional deterioration state of the battery on the basis of an open voltage and an integrated power, and the controller changes the weight coefficient according to the temporal variation of the open voltage.
Resumen de: WO2025191642A1
Provided is an alkaline secondary battery comprising a negative electrode, a positive electrode, and a separator disposed between the negative electrode and the positive electrode, wherein the separator includes a first separator which is constituted by a nonwoven fabric this is coated with cellulose and at least one second separator which is disposed between the first separator and the positive electrode and which is constituted by a nonwoven fabric that is not coated with cellulose or a microporous film that is not coated with cellulose.
Resumen de: WO2025193947A1
The technology disclosed herein enables integration of a battery box sub assembly into the body of an electric vehicle. In a particular example, an apparatus includes a left side sill for the vehicle and a right side sill for the vehicle. The apparatus further includes a front casting affixed to a front end of the left side sill and a front end of the right side sill and a rear casting affixed to a rear end of the left side sill and a rear end of the right side sill. The left side sill, the right side sill, the front casting, and the rear casting form a cavity into which one or more battery modules fit. The apparatus also includes a thermal management plate positioned on top of the cavity.
Nº publicación: WO2025194137A1 18/09/2025
Solicitante:
PIERSICA INC [US]
PIERSICA, INC
Resumen de: WO2025194137A1
A highly conductive solid-state polymer-based electrode lithium-ion batteries and other battery components thereof. The electrode may be deployed in a battery which lacks solvent and allows lithium ions to pass through channels via the polymerized structure. The electrode is formed from a fibrous mat comprising a plurality of lithium-conductive fibers and inter-fiber spaces, wherein the fibrous mat is produced by electrospinning, electrospraying, and hybrid variations thereof of an aged slurry containing a lithium salt, a polymer binder, and a ceramic material. The battery further incorporates a solid-state polymer separator, wherein the lithium conductive polymers are formed through free radical polymerization and comprise a polymerized carbonate solvent between iterative spacers, a lithium conductive material, and a reinforcing additive, with an optional interface coating applied to one or more sides to ensure long-term operation. Various methods for manufacturing the electrodes and separator for solid-state lithium-ion batteries.
BOPI
Sede Electrónica
