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1900
resultados
Última actualización
05/10/2025 [07:18:00]
Resultados 500 a 525 de 1900
Resumen de: WO2025201168A1
Provided are a secondary battery and a battery pack, and the secondary battery meets the following relationship: (6000/V)-P/2-(2×C)/(10×E)=Z, wherein Z is a set comparison value, V is the volumetric energy density of the secondary battery, with the unit of Wh/L, P is the compaction density of a positive electrode sheet, with the unit of g/cm3, C is the surface density of the positive electrode sheet, with the unit of mg/cm2, and E is the electrolyte filling coefficient of the battery, with the unit of Ah/g. The volumetric energy density of the secondary battery, the compaction density of the positive electrode sheet, the surface density of the positive electrode sheet and the electrolyte filling coefficient of the battery meet a specific relationship, thereby remarkably improving the volumetric energy density of the battery, and enabling the battery to have relatively high energy density and relatively good cycle performance at the same time.
Resumen de: WO2025200362A1
A conductive agent, comprising mesopores and micropores, the pore diameter of the mesopores being 2-50 nm, and the pore diameter of the micropores being less than 2 nm. The conductive agent is used for a lithium ion battery; the conductive agent comprises the micropores and the mesopores; the micropores and the mesopores provide a storage area for an electrolyte; when the swelling force of a battery cell is increased, the electrolyte is infiltrated into a pore channel; and when the swelling force is reduced, the electrolyte flows out of the pore channel.
Resumen de: WO2025205659A1
The present invention addresses the problem of further suppressing the production of hydrogen sulfide while keeping the ion conductivity of a solid electrolyte high. A solid electrolyte according to the present invention includes lithium (Li), phosphorous (P), sulfur (S), a halogen (X), and nitrogen (N). The nitrogen (N) is observed at the surface of the solid electrolyte by X-ray photoelectron spectroscopy. Ideally, the value of a semiquantitative value for the nitrogen (N) relative to the total of semiquantitative values for the lithium (Li), the phosphorous (P), the sulfur (S), and the halogen (X) at a sputtering time of 0 min as measured by x-ray photoelectron spectroscopy is at least 0.003.
Resumen de: WO2025200227A1
The application discloses a control method of a coating device and the coating device. The control method comprises: controlling a positioning apparatus to perform initial positioning on a piece to be coated, wherein the piece to be coated has a first direction and a second direction and comprises two main faces and two end faces. Controlling two coating apparatuses to perform initial positioning on a coating film, wherein the coating film comprises a connecting area and two main coating areas, the two main coating areas are spaced apart in a first direction, and the connecting area is connected between the two main coating areas and is opposite to the first of the two end faces in a second direction. The two coating apparatuses respectively fix the corresponding main coating areas and each comprises a transmission mechanism used for transmitting the main coating area. Using a virtual axis for controlling the corresponding transmission mechanisms in the two coating apparatuses to synchronously move, so that the connecting area covers the first of the two end faces, and the two main coating areas respectively coat the corresponding one of the two main surfaces. The described solution can improve the reliability and precision of the coating action of the coating device.
Resumen de: WO2025203658A1
Disclosed is a method for manufacturing a battery module that comprises a stack in which a plurality of units are stacked, the plurality of units each comprising a first cell group and a second cell group, in each of which a plurality of cells extending in a first direction are arranged in a second direction that is orthogonal to the first direction, and a temperature control plate that is disposed between the first cell group and the second cell group and extends in the second direction. The method includes: filling a gap of the stack with a first filler and curing the first filler; and filling at least a gap between the cells with a second filler before filling the first filler in the manufacturing process of the battery module.
Resumen de: WO2025204388A1
The present disclosure addresses the problem of providing a laminated film that is used as an exterior body of a solid-state battery and that is capable of achieving preferable heat dissipation. One embodiment for solving the problem is a laminated film used as an exterior body of a solid-state battery. The laminated film has at least a metal layer and an inner resin layer, and the metal layer has the thickness at least twice the thickness of the inner resin layer.
Resumen de: WO2025200207A1
A secondary battery and an electrical device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and a separator arranged between the negative electrode sheet and the positive electrode sheet, the separator comprises a base membrane and adhesive particles located on at least one side of the base membrane, and the compression deformation rate of the adhesive particles under the pressure of 5 MPa at normal temperature is smaller than or equal to 40%.
Resumen de: WO2025200772A1
Provided are a battery and an electrical device. The battery comprises a case, a plurality of battery cells, a first fixing member and a restraining member. The case comprises a first beam and a second beam which are arranged opposite each other in a first direction. The plurality of battery cells are accommodated in the case and arranged between the first beam and the second beam. At least part of the first fixing member is embedded into the first beam and is fixed to the first beam. The restraining member is connected to the first fixing member and the second beam. When a battery cell expands, the restraining member can provide restraining force for the first beam and the second beam, and deformation of the first beam and the second beam under the action of expansion force is reduced, thereby limiting the expansion amount of the battery cell, and improving the cycle performance of the battery cell.
Resumen de: WO2025200478A1
The present invention relates to the technical field of batteries. Disclosed are a carbon material, a preparation method therefor and the use thereof, and a sodium ion battery. The R1 value of the carbon material provided by the present invention is 0.19-0.3, preferably 0.22-0.25; I002 is the peak intensity of the (002) peak in the XRD pattern of the carbon material, I002,G is the peak intensity of the (002) peak of internal standard graphite in the XRD pattern, and the weight ratio of the carbon material to the graphite during test is 1:10. The carbon material provided by the present invention has a remarkably improved proportion of slope capacity, and slope sections have fast ion transport kinetics and high potential, thus facilitating improvement of rate capacity and cycle performance.
Resumen de: WO2025200205A1
Provided are an end cover assembly (23) for a battery cell (20), the battery cell (20), a battery (10), and an electric device, capable of realizing the connection between an end cover (231) and an insulating member (232) at low costs. The end cover assembly (23) comprises: the end cover (231); the insulating member (232) provided on the side of the end cover (231) facing the interior of the battery cell (20) and used for isolating the end cover (231) from an electrode assembly (21) inside the battery cell (20); and a connecting member (233) provided between the end cover (231) and the insulating member (232) to be connected to the end cover (231) and the insulating member (232).
Resumen de: WO2025200827A1
A battery and an electric apparatus. The battery comprises a case, battery cells, an isolation component, and an insulating portion. The battery cells are arranged in the case, each battery cell is provided with a pressure relief portion, and the pressure relief portion is used for discharging the internal pressure of the battery cell. The isolation portion is arranged in the case; in a first direction, the isolation portion and the pressure relief portion are arranged on a same side; the isolation portion and the wall portion of the case jointly form a fume channel; the fume channel is located on the side of the isolation portion facing away from the battery cell; the isolation portion is provided with a first through hole communicated with the fume channel; and the through hole is arranged corresponding to the pressure relief portion to guide the discharge of the battery cell to enter the fume channel. At least part of the insulating portion covers the hole wall of the first through hole. The reliability of a battery can be effectively improved.
Resumen de: WO2025204300A1
A solid-state battery package comprising a substrate, a solid-state battery provided on the substrate, and a metal exterior body extending from the substrate and covering the solid-state battery with an insulation layer therebetween, wherein the metal exterior body has a joining section where prescribed sections of the metal exterior body are joined together, and the solid-state battery is sealed using the metal exterior body having the joining section.
Resumen de: WO2025205709A1
This power storage equipment comprises a first electric board, a second electric board, a first member that is wiring or piping, and a first cover. At least one of the first electric board and the second electric board accommodates at least one of a power storage element and a power converter. The first electric board is provided with a first through-hole through which the first member passes at a position facing the second electric board. The second electric board is provided with a second through-hole through which the first member passes at a position facing the first electric board. The first cover seals the first through-hole and the second through-hole in a state of covering the periphery of the first member.
Resumen de: WO2025201165A1
Provided in the present application are a heat-absorbing composite material, a heat-absorbing component, a battery module and an electrical device. The heat-absorbing composite material comprises a framework and a heat-absorbing material; the heat-absorbing material comprises a phase change material, pores of the framework being filled with the heat-absorbing material; a first surface of the heat-absorbing composite material is located between a second surface thereof and a battery cell. 0.2≤2252×r×ρ(S×x-a×H)×10-9/(0.6×Qc-360×cp×M)≤30, r being the mass content of the phase change material in the heat-absorbing material, ρ being the density of the heat-absorbing material in the unit of kg/m3, x being the thickness of the heat-absorbing composite material in the unit of mm, S being the area of the first surface in the unit of mm2, a being the area of the orthographic projection of the framework on the first surface in the unit of mm2, H being the thickness of the framework in the unit of mm, Qc being the capacity of the battery cell in the unit of KJ, cp being the specific heat capacity of the battery cell in the unit of kJ·kg-1·K-1, and M being the mass of the battery cell in the unit of kg.
Resumen de: WO2025200226A1
A battery (100) and an electric device. The battery (100) comprises a case (10) and battery cells (20). The case (10) comprises: a case body (13); at least two limiting beams (14), wherein the at least two limiting beams (14) and the case body (13) define an accommodating space (16), the limiting beams (14) each comprise a first beam side surface (141) and a second beam side surface (142), the second beam side surface (142) is configured to be a vertical plane for abutting against the largest surfaces of the battery cells (20), and the second beam side surface (142) and at least part of the first beam side surface (141) are arranged at an included angle; and fixing members (15) connected between the limiting beams (14) in a first direction. The battery cells (20) in the accommodating space (16) are constrained by means of the limiting beams (14), the first beam side surfaces (141) abut against the largest surfaces of the battery cells (20), and at least parts of the first beam side surfaces (141) are inclined toward the second beam side surfaces (142), such that the limiting beams (14) provide stable support to constrain expansion on the battery cells (20); and in addition, the fixing members (15) can limit the limiting beams (14) in the first direction, thereby reducing the probability of tilting of the limiting beams (14) under the expansion deformation of the battery cells (20), and further improving the expansion constraint force on the battery cells (20).
Resumen de: WO2025203996A1
This all-solid-state battery has, in the following order, a positive electrode active material layer (10), a solid electrolyte layer (20), and a negative electrode active material layer (30), and further has an insulating member (40) that is in contact with the outer surface of the positive electrode active material layer (10) or an outer peripheral part of the surface of the positive electrode active material layer (10) on the solid electrolyte layer (20) side, wherein the surface of the insulating member (40) on the negative electrode active material layer (30) side has an arithmetic average roughness Ra of 0.10 μm to 10.0 μm, as measured in accordance with JIS B0601:2013.
Resumen de: WO2025205191A1
Provided is a ferritic stainless steel foil in which an increase in interface resistance when an oxide film is made thick is sufficiently suppressed. The ferritic stainless steel foil according to the present disclosure has a chemical composition containing, in mass%, C: over 0% to 0.050%, Si: over 0% to 1.00%, Mn: over 0 % to 1.00%, P: over 0% to 0.050%, S: over 0% to 0.030%, N: over 0% to 0.050%, Mo: 0% to 1.00%, Cr: 14.00% to 18.00%, Ni: 0% to 0.60%, Ti: Timin to 1.00%, Nb: 0% to 1.00%, and Zr: 0% to 0.80%, with the balance being Fe and impurities. The chemical composition satisfies formula (1). Formula (1): (Mo+Cr)/Ti≤80. Timin is defined as follows. When X defined by formula (2) is 0.10 or more: Timin = X. When X defined by formula (2) is less than 0.10: Timin = 0.10. Formula (2): X = 16 × (C + N)
Resumen de: WO2025206491A1
The present invention relates to a positive electrode active material comprising an oyster shell for a lithium secondary battery and a preparing method therefor and, specifically, to a positive electrode active material for a lithium secondary battery, comprising a positive electrode active material and an oyster shell coating layer on the surface of the positive electrode active material, and to a preparing method for a positive electrode active material for a lithium secondary battery, the method comprising the steps of: mixing a positive electrode active material and an oyster shell powder; and heat-treating the mixture. The positive electrode active material comprising the oyster shell was observed to show a reduced internal resistance due to the suppressed electrolyte decomposition at the interface of a positive electrode, and Ca contained in the oyster shell was found to play an important role in removing F- species.
Resumen de: WO2025206074A1
This non-aqueous electrolyte contains: at least one carbonate compound selected from the group consisting of a compound represented by the following formula (I-1), a compound represented by the following formula (I-2), and a compound represented by the following formula (I-3); and at least one sulfonyl compound selected from the group consisting of a compound represented by the following formula (II) and a compound represented by the following formula (III). The definition of each group in each formula is as described in the description.
Resumen de: WO2025204384A1
The present disclosure addresses the problem of providing a solid battery capable of suppressing the occurrence of abnormal electrodeposition and having favorable battery performance. One embodiment of the present invention that solves the problem is a solid-state battery having a structure in which a negative electrode layer, a solid electrolyte layer, and a positive electrode layer are laminated in that order, wherein: the solid electrolyte layer includes a first solid electrolyte layer disposed on the negative electrode layer side, and a second solid electrolyte layer disposed adjacent to the first solid electrolyte layer; and the density of the first solid electrolyte layer is higher than the density of the second solid electrolyte layer.
Resumen de: WO2025204922A1
This silica aerogel powder used for a heat insulation material for a battery pack has a specific surface area of 550 m2/g or greater as measured on the basis of an adsorption isotherm obtained if the silica aerogel powder is measured using an adsorbed nitrogen amount measurement method, has a pore volume of 3.5-5.0 mL/g when the relative pressure is 0.99, and satisfies the following conditions (i) and (ii), where the pore volume with the relative pressure being 0.93 is a mL/g, the pore volume with the relative pressure being 0.965 is b mL/g, and the pore volume with the relative pressure being 0.99 is c mL/g. (i): 0 ≤ (a/c×100) ≤ 50, (ii): 50 ≤ (b/c×100) < 100
Resumen de: WO2025205938A1
Provided is a novel ion conductor containing an ionic soft crystal. An ion conductor according to one embodiment of the present invention contains an ionic soft crystal and a zwitterionic compound. An ion conductor according to another embodiment of the present invention contains an ionic soft crystal and a metal salt.
Resumen de: WO2025202850A1
Provided is a separator and a secondary battery exhibiting good wettability to an electrolyte. This secondary battery has a positive electrode, a negative electrode, a separator positioned between the positive electrode and the negative electrode, and an electrolyte. The separator has a first member, a second member positioned on one surface of the first member, and a third member positioned on the other surface of the first member. The second member has higher wettability to the electrolyte than the first member, and the third member has higher wettability to the electrolyte than the first member.
Resumen de: WO2025200823A1
A battery cell, a battery, and an electrical device. The battery cell comprises an electrode assembly. The electrode assembly comprises a first electrode plate, a second electrode plate and a separator, polarities of the first electrode plate and the second electrode plate being opposite, and the separator being disposed between the first electrode plate and the second electrode plate. The separator comprises a substrate layer and a first functional layer, the substrate layer being provided with a first surface in the thickness direction thereof, and the first functional layer being disposed on the first surface. Thus the short-circuit risk of a battery cell can be reduced, and the reliability of the battery cell can be improved.
Nº publicación: WO2025204646A1 02/10/2025
Solicitante:
NGK INSULATORS LTD [JP]
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Resumen de: WO2025204646A1
Disclosed is a solid electrolyte which can be provided at an inexpensive process cost and exhibits high ion conductivity. The solid electrolyte contains: at least one inorganic compound that is selected from the group consisting of a metal oxide, a metal halogen compound, and a metal hydroxide; a residual solvent; and a salt that contains an alkali metal or an alkaline earth metal. The inorganic compound has at least one peak that has a full width at half maximum of 0.80° or less in the X-ray diffraction pattern.
BOPI
Sede Electrónica
