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1797
resultados
Última actualización
12/10/2025 [07:12:00]
Resultados 1000 a 1025 de 1797
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: 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: 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: US2025309394A1
The present disclosure addresses the problem of providing an all-solid-state battery capable of suppressing damage to the ends of the positive electrode layer under compressive stress due to compressive input, while ensuring sufficient insulation between the positive electrode and the negative electrode. An all-solid-state battery according to one embodiment of the present disclosure includes an electrode stack 1 including a plurality of electrode bodies stacked. Positive electrode insulating layers 8a, 8b at the ends of the positive electrode current collector 4, protruding in the direction Vd (plane direction) perpendicular to the stacking direction. An insulating layer 20 and a heat transfer layer 30 are provided in this order at the ends of the electrode stack 1 in the direction Vd perpendicular to the stacking direction Ld. The interface 40 between the insulating layer 20 and the heat transfer layer 30 includes a concavo-convex shape portion.
Resumen de: US2025309393A1
A device for enabling the reuse of a complete battery pack for electric vehicles (EV) is disclosed. The device allows reuse of a battery pack at a significantly lower cost than alternative methods that require the battery pack to be opened, batteries to be taken out and installed in a new pack with a new battery monitoring system (BMS), and undergoing certification as a new system. The disclosed device includes a controller having a software program operating therein and which is electrically coupled to a battery pack and provides electrical input and output signals to the BMS of the EV battery, which relate to optimal operating parameters of the battery pack including depth of discharge (DoD), depth of charge (DoC), charge rate, and temperature. The controller enables reuse of the complete battery pack without reopening and mimics electrical signaling compared to a car or other electric vehicles.
Resumen de: US2025309388A1
In a peeling method for a positive electrode current collector and a positive electrode mixture material for peeling the positive electrode mixture material from the positive electrode current collector, induction heating is effected in the positive electrode current collector to dissolve or vaporize a binder of the positive electrode mixture material bonded to the positive electrode current collector.
Resumen de: US2025309386A1
This disclosure relates to systems and methods for hydrogen sulfide mitigation. A battery cell or plurality of battery cells in a battery pack with a sulfur-containing lithium-based rechargeable battery component is presented. A monolith hydrolyzes hydrogen sulfide gas, precipitated from moisture exposure to the sulfur-based cathode, into sulfur dioxide and water, and releases the sulfur dioxide and water external to the battery cell.
Resumen de: US2025309389A1
Provided is a method of manufacturing a regenerated positive electrode in a used lithium ion secondary battery including a laminate having a positive electrode, any one of a separator and a solid electrolyte layer, and a negative electrode, the method of manufacturing a regenerated positive electrode including extracting the positive electrode from the laminate, pressing the extracted positive electrode, and doping the pressed positive electrode with lithium ions, the doping of the lithium ions being performed by a discharge using a lithium electrode as a counter electrode in an electrolyte.
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: US2025309383A1
Disclosed in the present disclosure is a method of formation and capacity grading for lithium-ion batteries, including the following steps: Formation: charging the SOC of the lithium-ion battery to be greater than or equal to 100%, wherein a charging process comprises at least a first stage, a second stage, a third stage, a fourth stage, and a fifth stage; and applying pressure to two opposite surfaces of the lithium-ion battery at each stage, wherein the pressure applied at the first stage is 0.1-0.3 Mpa, the pressure applied at the second stage is 0.3-0.5 Mpa, the pressure applied at the third stage is 0.8-1.2 Mpa, the pressure applied at the fourth stage is 0.3-0.5 Mpa, and the pressure applied at the fifth stage is 0.8-1.2 Mpa. Capacity Grading: fixing the lithium-ion battery after formation; applying pressure to 50-100 kg on the two opposite surfaces of the lithium-ion battery; and performing a capacity grading cycle.
Resumen de: US2025309381A1
The disclosure provides a gas detection unit that can detect hydrogen sulfide-containing gas with high precision, a battery pack comprising the detection unit, a gas detection system, a battery system comprising the gas detection system, and a gas detection method. The gas detection unit 10 of the disclosure comprises a hydrogen sulfide adsorbent 11, a heating section 12 that heats the hydrogen sulfide adsorbent, and a gas detection section 13 that detects the hydrogen sulfide and/or sulfur-containing gas released from the hydrogen sulfide adsorbent. The battery pack 1 of the disclosure comprises a sulfide-based battery 20, a gas detection unit 10 of the disclosure, and an outer container 30 that houses the sulfide-based battery 20 and gas detection unit 10.
Resumen de: US2025309382A1
A control method for controlling a power storage device including a lithium metal battery includes performing control to charge the lithium metal battery at a rate of 0.2 C or less and to discharge the lithium metal battery at a rate of 1.0 C or more and 2.0 C or less.
Resumen de: US2025309377A1
A battery system according to one embodiment of the present invention includes: a battery module including a cell stack formed by stacking a plurality of battery cells, and a pair of end plates arranged at both ends of the cell stack in the stacking direction, in which a fluid cushion is arranged either between the battery cells, or between the battery cells and the end plates, or both; a pressure acquisition unit; and a battery cell control unit. The cell thickness of the battery cells increases as the state of charge increases, and decreases as the state of charge decreases. The pressure acquisition unit acquires the internal pressure of the fluid cushion. The battery cell control unit controls at least one of the state of charge and temperature of the battery cells, based on the internal pressure of the fluid cushion.
Nº publicación: US2025309374A1 02/10/2025
Solicitante:
24M TECH INC [US]
24M Technologies, Inc
Resumen de: US2025309374A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms, and methods of producing and operating the same. In some aspects, an electrochemical cell can include an anode and a cathode material disposed on a cathode current collector, the cathode material and the cathode current collector forming a cathode. The electrochemical cell further includes a first separator disposed on the anode, a second separator disposed on the cathode, and an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material, the interlayer including a source of lithium ions, the lithium ions configured to migrate toward the anode upon a voltage difference between the interlayer and the anode exceeding a threshold value. In some embodiments, the anode can include an anode material disposed on an anode current collector. In some embodiments, the anode material can include graphite, silicon, and/or hard carbon.
BOPI
Sede Electrónica
