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1903
resultados
Última actualización
06/10/2025 [07:12:00]
Resultados 225 a 250 de 1903
Resumen de: US2025303489A1
The busbar clamping apparatus includes a base member, a moving device, a first actuation part, a second actuation part, a drive device, and a control device. The first actuation part is mounted to the base member and arranged closer to the X+ side than the busbars that should be clamped. The second actuation part is mounted so as to be movable in the X direction relative to the base member and arranged closer to the X− side than the busbars that should be clamped. The control device causes the moving device to move the base member toward the X− side to move the first actuation part toward the X− side, and then causes the drive device to move the second actuation part toward the X+ side. This allows the first actuation part and the second actuation part to clamp the busbars in the X direction.
Resumen de: US2025309240A1
An alkaline storage battery includes a positive electrode. The positive electrode includes a positive electrode mixture. The positive electrode mixture contains a nickel compound and a metal compound. The nickel compound is a positive electrode active material The metal compound is a compound of at least one metal element selected from the group consisting of titanium, niobium, tungsten, vanadium, molybdenum, zirconium, and tantalum. A ratio Wm/Wn of a mass Wm of the metal compound contained in the positive electrode mixture to a mass Wn of the nickel compound contained in the positive electrode mixture in terms of nickel hydroxide ranges from 0.2/100 to 5.0/100. The metal compound contains iron at a mass ratio ranging from 10 ppm to 10000 ppm. A ratio We/Wp of a mass We of the alkaline electrolyte to a mass Wp of the positive electrode mixture ranges from 0.35 to 1.0.
Resumen de: US2025309244A1
A conversion-type positive electrode and formation thereof. The conversion-type positive electrode includes a composite film and a porous inorganic layer formed on the top surface of the composite film, where the composite film includes an electrically conductive porous material and a conversion-type positive electrode active material, and where the porous inorganic layer does not undergo a reversible redox reaction during cycling of the conversion-type positive electrode.
Resumen de: US2025309260A1
There is provided a positive electrode active material containing a lithium-iron composite fluoride as a principal component, wherein the lithium-iron composite fluoride is represented by the following formula (1):LixFeF(3+x) (1)where, in formula (1), x is a number satisfying 0.4≤x<1.5.
Resumen de: US2025309274A1
The application provides a modified lithium manganese iron phosphate positive electrode material, and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing a manganese source, an iron source and a doped metal source with a solvent to obtain solution A; (2) adding a phosphorus source, an ammonia source and hydrogen peroxide to solution A to obtain solution B; (3) mixing solution B and a lithium source for grinding, and carrying out heat treatment to obtain a lithium manganese iron phosphate powder; (4) mixing the lithium source and an M source with a solvent to obtain a fast ion conductor solution, mixing the fast ion conductor solution and the lithium manganese iron phosphate powder, grinding, and sintering to obtain the modified lithium manganese iron phosphate positive electrode material. The application provides a preparation method for an LMFP positive electrode material with dual modification treatment of ion doping and fast ion conductor coating, and the rate capability and the cycle performance of the LMFP electrode material are synergistically improved.
Resumen de: US2025309273A1
A positive electrode plate includes a positive electrode film layer. The positive electrode film layer includes positive active particles, a conductive agent, a binder, and polymer resin particles. A surface coverage A% of the positive active particles satisfies: 55≤A≤65. A drop melting point of the polymer resin particles is 110° C. to 135° C. According to this application, by adding the polymer resin particles of a specified drop melting point into the positive electrode film layer, the polymer resin particles can melt in a high-temperature environment to coat the surface of the positive active particles to form a protection layer, thereby preventing direct contact between an active site on the surface of the positive active particles and an electrolyte solution, suppressing oxidative decomposition of the electrolyte solution, and in turn, improving the thermal safety performance of the battery.
Resumen de: US2025303422A1
A system for carrying out size reduction of battery materials under immersion conditions can include a housing containing an immersion liquid and at least a first comminuting device submerged in the immersion liquid and configured to cause a size reduction of the battery materials to form first reduced-size battery materials, and at least a first outlet through which a size-reduced feed stream comprising a black mass solid material and an electrolyte materials entrained within the immersion liquid can exit the comminuting apparatus. At least a first separator may be configured to separate the size-reduced feed stream into at least a first stream that comprises the black mass solid material liberated from the battery materials and a retained portion of the immersion liquid having entrained electrolyte materials, and a second stream comprising a second portion of the immersion liquid having entrained electrolyte materials.
Resumen de: US2025309414A1
A molded element for arranging on a temperature-controllable element, wherein the temperature-controllable element may preferably be an energy storage element, for example an electrochemical energy storage cell, wherein the molded element comprises: at least one receiving zone for receiving at least one section of the temperature-controllable element in the molded element and a molded element material having a density of at most 0.75 g/cm3, preferably at most 0.65 g/cm3, particularly preferably at most 0.55 g/cm3.
Resumen de: US2025309406A1
A battery pack is disclosed according to the present disclosure. The battery pack includes: a housing, a cover, a cell set and a bus bar. The housing includes a receiving cavity with an opening on a side of the housing. The cover is provided over the side of the housing with the opening to close the receiving cavity. The cell set is provided in the receiving cavity, and electrodes of the cell set face the cover. The bus bar is provided between the cell set and the cover, and a pressure relief space is reserved between the bus bar and the cover. The receiving cavity is filled with insulating cooling oil, and the electrodes of the cell set and the bus bar are submerged in the insulating cooling oil.
Resumen de: US2025309404A1
A power storage device includes a power storage module and a heat exchanger whose heat exchange object is the power storage module. The power storage module is joined to the heat exchanger with an adhesive. The heat exchanger exchanges heat with the heat exchange object using refrigerant flowing through a main flow path and a sub-flow path. The heat exchanger includes a base member and an outer wall. The outer wall is provided in the base member. The main flow path is formed inside the base member. The sub-flow path is formed of the base member and the outer wall. The outer wall deforms more easily than the base member and the power storage module.
Resumen de: US2025309412A1
A battery housing includes a bottom case and a top cover. The bottom case includes a main case and a reinforcing rib. The main case is provided with an accommodating cavity and an opening, the accommodating cavity being located at an inner side of the main case, and the opening being located on the outer surface of the main case and communicated with the accommodating cavity. The reinforcing rib is fixedly connected to a side wall surface of the accommodating cavity, is spaced apart from both the opening and the bottom wall surface of the accommodating cavity, and extends along the circumferential direction of the main case. The first sub-reinforcing portion of the reinforcing rib includes a step surface facing the opening, the second sub-reinforcing portion is located on a side of the first sub-reinforcing portion facing away from the step surface and fixedly connected to the first sub-reinforcing portion.
Resumen de: US2025309270A1
A secondary battery has a power generating element including a positive electrode having a positive electrode active material layer disposed on a positive electrode current collector. The positive electrode active material layer comprises a first layer in contact with a solid electrolyte layer and containing a positive electrode active material, a solid electrolyte and a binder, and a second layer in contact with the positive electrode current collector and containing a positive electrode active material and a binder. The solid electrolyte in the first layer is 1% by mass or more with respect to 100% by mass of a total solid content contained in the first layer, and the solid electrolyte in the second layer is 0% by mass, or is more than 0% by mass or less than 1% by mass with respect to 100% by mass of a total solid content contained in the second layer.
Resumen de: US2025309275A1
Described are battery components including a current collector and a coating layer disposed over at least a portion of a surface of the current collector. The current collector can include a recycled content aluminum alloy. In some examples, the current collector can include from 50% to 100% recycled aluminum content. The recycled content aluminum alloy may be, for example, a 3xxx series aluminum alloy or a 5xxx series aluminum alloy.
Resumen de: US2025309272A1
A negative active material layer of the negative electrode plate includes a negative active material and a functional material. The functional material is distributed between particles of the negative active material. The functional material includes a conductive carbon fiber tube and a linear binder adsorbed on the surface of the conductive carbon fiber tube. The length of the conductive carbon fiber tube is L1, and L1 satisfies: 2 μm≤L1≤50 μm. Three points on the same conductive carbon fiber tube along the length direction of the conductive carbon fiber tube are consecutively selected and connected into a polyline to form a first angle α at a middle point of the three points as a vertex, satisfying: 30°≤α≤180°.
Resumen de: US2025309266A1
According to one aspect of the disclosure, a lithium-ion battery component is presented. The lithium-ion battery component has an electrode with a current collector, and a silicon-based active layer adhered thereon. The silicon-based active layer includes coated silicon beads connected by carbon chains to form fiberized conductive silicon-carbon necklaces that are configured to confine the silicon beads via the carbon chains during volume expansion and contraction of the electrode during charge cycling.
Resumen de: US2025309268A1
A lithium-ion battery component in presented. The lithium-ion battery component has an electrode with a current collector and an electrode sheet laminated thereon including conducting agents and a polar cross-linkable co-polymeric binder of butadiene isomers and acrylonitrile mechanically binding the conducting agents in a sterically stabilized dispersion configured to permit volume expansion of the electrode sheet during charge of the electrode and facilitate volume contraction of the electrode sheet during discharge.
Resumen de: US2025309399A1
In a power storage device, a first heat transfer member is adjacent to a first cell on a second direction side opposite to a first direction side of the first cell. A second heat transfer member is adjacent to a second cell on a second direction side of the second cell. A heat insulating member is made of a material having a thermal conductivity lower than that of each of the first heat transfer member and the second heat transfer member. The heat insulating member is located on a first direction side of the battery cell group. A cooling portion is in contact with the first heat transfer member and the second heat transfer member. In a third direction, a thermal resistance of the first heat transfer member is lower than a thermal resistance of the second heat transfer member.
Resumen de: US2025309400A1
The present disclosure relates to a current collector system and a liquid colling system, including at least two current collectors. Each of the current collectors includes a current collector housing, provided with a liquid cavity for liquid circulation, a side of the liquid cavity being provided with an open current collector connection port; a current collector primary flow channel, penetrating through the current collector housing, in which the current collector primary flow channel of each of the at least two current collectors is connected in series with each other; and a flow hole, provided between the liquid cavity and the current collector primary flow channel to allow the current collector primary flow channel to be in communication with the liquid cavity. A diameter of the flow hole of each of the at least two current collectors is not equal.
Resumen de: US2025309398A1
A battery module, wherein: the battery module includes battery cells, a heat insulation member, and first heat dissipation members as heat dissipation members; the battery module includes, as the battery cells, at least a first battery cell and a second battery cell; the first heat dissipation members are disposed respectively adjacent to the battery cells; the heat insulation member is disposed between the first battery cell and the second battery cell; and a ratio of the thermal resistance of the heat insulation member to the thermal resistance of the heat dissipation member (the thermal resistance of the heat insulation member/the thermal resistance of the heat dissipation member) is 0.0102 or higher.
Resumen de: US2025309407A1
The present disclosure provides a box, a cell liquid cooling box and a battery pack, the box includes a box body including a first end plate and a second end plate arranged opposite to each other, a liquid inlet and a liquid outlet are provided on the first end plate; and a separator provided inside the box body to divide the interior of the box body into multiple cell installation chambers, a first flow channel is provided inside the separator, the end of the first flow channel away from the first end plate is provided with a plurality of first outflow outlets, one of the first outflow outlets is connected to and communicated with one of the cell installation chambers, and each of the cell installation chambers is connected to the liquid outlet.
Resumen de: US2025309395A1
A battery includes: a plurality of thermal management components disposed at intervals along a first direction; at least one battery cell group, each battery cell group being disposed between two adjacent thermal management components; where each battery cell group includes a plurality of battery cells arranged along a second direction perpendicular to the first direction, and a first heat exchange cavity configured to accommodate the heat exchange medium is disposed inside each of the thermal management components so that temperatures of the battery cells are adjusted by using the thermal management component; and a bottom plate disposed on a side of the plurality of thermal management components along a third direction and connected with at least one thermal management component, where the first direction, the second direction, and the third direction are perpendicular to each other.
Resumen de: WO2025205840A1
Provided are: an effective additive for a lithium-ion secondary battery electrode, other than a ferroelectric material, which can improve input-output characteristics by lowering the electrode-electrolyte solution interfacial resistance R2 in a lithium-ion secondary battery positive electrode material that contains one or more of Mn, Fe and Ni; and a lithium ion secondary battery positive electrode material and a lithium ion secondary battery containing same. An additive for a lithium ion secondary battery positive electrode is characterized by containing a composite oxide that is present together with a lithium ion secondary battery positive electrode material containing cations of one or more elements selected from among Mn, Fe, Ni and Co, and in that the composite oxide does not contain alkali metal ions or alkaline earth metal ions, has an acid point and a base point, and has a relative dielectric constant of 20 or more. Also provided are a lithium ion secondary battery positive electrode material and a lithium ion secondary battery containing the additive.
Resumen de: WO2025203600A1
This vehicle comprises: a battery; a battery case in which the battery is accommodated; a first cooling fan that supplies air into the battery case; an electric component that is provided outside the battery case; a second cooling fan that supplies air from the inside of the battery case to the electric component; and a control unit that controls the operations of the first cooling fan and the second cooling fan. If an abnormality has occurred in the battery, the control unit stops the first cooling fan and the second cooling fan.
Resumen de: US2025309397A1
A battery includes a cell stack having a rectangular parallelepiped shape in which a plurality of rectangular cells with terminals disposed on both end faces in a longitudinal direction thereof are stacked on one another, and a case configured to house the cell stack therein. The cell stack includes a metal binding member configured to bind each of lower ends in the longitudinal direction of the plurality of rectangular cells, and the binding member is fixed to the case by a thermally conductive adhesive.
Nº publicación: US2025309394A1 02/10/2025
Solicitante:
HONDA MOTOR CO LTD [JP]
HONDA MOTOR CO., LTD
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.
BOPI
Sede Electrónica
