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1149
resultados
Última actualización
06/12/2025 [07:30:00]
Resultados 175 a 200 de 1149
Resumen de: WO2025246902A1
A battery pack, comprising: a casing; a battery cell module arranged in the casing; a first interface configured to be coupled to an electric tool to supply power to the electric tool, the first interface comprising a terminal assembly; and at least one second interface having a different physical structure from that of the first interface and configured to be coupled to another electric device different from the electric tool and to perform electric energy transmission with the electric device, the ratio of the rated output power of a single second interface to the weight of the battery pack being greater than or equal to 100 W/kg.
Resumen de: WO2025246859A1
Provided in the embodiments of the present application are a connection assembly, a battery and a vehicle. The connection assembly comprises a body and a terminal post; the body is used for connecting to two housings and closing two battery cells; one side of the body is used for connecting to a positive electrode tab of one battery cell, and the other side of the body is used for connecting to a negative electrode tab of the other adjacent battery cell; the body is provided with a through hole; the terminal post passes through the through hole, and two ends of the terminal post are respectively and electrically connected to the positive electrode tab and the negative electrode tab.
Resumen de: WO2025247115A1
A battery side plate, comprising a chip fixing hole and a through channel, wherein the chip fixing hole is configured to accommodate a chip, the chip is configured to collect a signal in an accommodating cavity of a battery case, the through channel is in communication with the chip fixing hole, and the through channel is configured to accommodate a chip connector.
Resumen de: WO2025246941A1
Provided in the present application are a battery case and a battery, which relate to the technical field of batteries. The battery case comprises a case body, a case cover and an electrically conductive piece, wherein the case cover covers the case body to define a mounting cavity; the electrically conductive piece is elastic and is located in the mounting cavity; one of the case cover and the case body is connected to the electrically conductive piece, and the other one thereof abuts against the electrically conductive piece; and the electrically conductive piece is in an elastic compression state.
Resumen de: WO2025247069A1
Provided in the present disclosure is a thermal management device for a vehicle. The thermal management device comprises a fluid element and a flow channel plate. The flow channel plate comprises a body portion, a first connection portion provided with a first connection channel, a second connection portion provided with a second connection channel, and a mounting portion provided with a first internal channel and a second internal channel, wherein the first connection portion is connected to the body portion and the mounting portion, such that the first connection channel is in fluid communication with the body portion and the first internal channel; and the second connection portion is connected to the body portion and the mounting portion, such that the second connection channel is in fluid communication with the body portion and the second internal channel. The fluid element is mounted on the mounting portion, and is in fluid communication with the first internal channel and the second internal channel.
Resumen de: WO2025246111A1
Provided are a NASICON-type solid-state electrolyte, a preparation method therefor, and a use thereof. The NASICON-type solid-state electrolyte comprises: Li xM1 yM2 zM3 uM4 v(PO 4) w1(PS 4) w2, where y+z+u+v=2, w1+w2=3, 0
Resumen de: WO2025246052A1
Provided are a sodium-ion battery positive electrode material of a core-shell structure, and a preparation method therefor and a use thereof. The sodium-ion battery positive electrode material is of a core-shell structure, and comprises a nickel-manganese-zinc inner core, an iron-based intermediate layer and a copper-based shell which are stacked. The preparation method comprises: (1) mixing a nickel salt, a manganese salt, a zinc salt and deionized water to obtain a ternary salt solution; (2) carrying out first spray pyrolysis on the ternary salt solution to obtain a first precursor; (3) mixing an iron salt solution and the first precursor for second spray pyrolysis to obtain a second precursor; (4) mixing a copper salt solution and the second precursor for third spray pyrolysis to obtain a third precursor; and (5) mixing a sodium salt and the third precursor for calcination to obtain a sodium-ion battery positive electrode material of a core-shell structure. A sodium-ion battery positive electrode material of a core-shell structure is prepared by means of a spray pyrolysis method, improving the sphericity and the particle size uniformity of particles while simplifying the preparation process, improving the electrochemical performance of the material, and facilitating large-scale popularization and application.
Resumen de: WO2025246327A1
The present application discloses a battery and an electric device. The battery comprises a bearing plate, a heat exchange member, filling members, an adhesive layer, and battery cells. The heat exchange member is arranged on one side of the bearing plate, and the heat exchange member comprises multiple heat exchange tubes arranged at intervals in a first direction, wherein a gap is formed between adjacent heat exchange tubes. The filling members are at least partially disposed in the gaps. The battery cells are located on the side of the heat exchange member away from the bearing plate. The adhesive layer is sandwiched between the battery cells and the bearing plate, and the battery cells are adhesively connected to the heat exchange tubes by means of the adhesive layer. The battery of the present application can improve structural stability.
Resumen de: WO2025246066A1
The present application discloses a flexible circuit board, an electric connection module and an installation method, and a power battery pack. The flexible circuit board comprises a first sampling portion, a second sampling portion and a main body portion. The main body portion is separately connected to the first sampling portion and the second sampling portion. At least one of the first sampling portion and the second sampling portion is provided with a sampling point, and the main body portion is provided with a sampling signal output end. In a use state, at least a portion of the main body portion overlaps the first sampling portion and the second sampling portion.
Resumen de: WO2025247017A1
Provided in the present application is a negative electrode sheet. The negative electrode sheet comprises: a negative electrode current collector, and a negative electrode active material layer, which is made of a carbon-containing material and is arranged on at least one side of the negative electrode current collector, wherein 0.3≤(C101+C002)/(P×100)≤6, where P is the mercury intrusion porosity of the negative electrode sheet, C101=1.84×λ/(FWHM101×cosθ101), C002=0.84×λ/(FWHM002×cosθ002), and (C101+C002) is within the range of 30-180 nm. By using the negative electrode sheet, a secondary battery having the advantages of fast charging, good cycle performance and a high energy density can be prepared. Further provided in the present application are a secondary battery and an electric device.
Resumen de: US2025372734A1
A bus connector for an energy storage system is provided. The bus connector includes a printed circuit board including a first plurality of metal plates, a second plurality of metal plates, a plurality of bus taps, a plurality of conducting stripes, and a temperature sensor. The first plurality of metal plates is coupled to first terminals of the first battery module. The second plurality of metal plates is coupled to second terminals of the second battery module. Each of the first plurality of metal plates, each of the second plurality of metal plates, and the temperature sensor are connected to a respective bus tap of the plurality of bus taps through a respective conducting stripe of the plurality of conducting stripes. The temperature sensor is configured to sense a temperature of at least one of the first battery module and the second battery module.
Resumen de: US2025373062A1
A resistor for discharging a battery is provided. The resistor includes a metallic coil having an outer surface and an inner surface, the inner surface defining a coolant channel between a first end and a second end of the metallic coil. A first electrical connector is connected to the first end of the metallic coil. The first electrical connector is connectable to a first terminal of a battery. A second electrical connector is connected to the second end of the metallic coil. The second electrical connector is connectable to a second terminal of the battery. When the metallic coil is connected to the battery, a coolant flows from the first end to the second end through the coolant channel of the metallic coil. The coolant is not electrically isolated from the metallic coil.
Resumen de: US2025372761A1
An energy storage system includes a battery pack, and a plurality of battery modules arranged within the battery pack. Each of the plurality of battery modules includes a battery module enclosure, a plurality of battery cells arranged within the battery module enclosure, and a plurality of cold plates arranged within each of the plurality of battery modules. The plurality of battery cells is arranged in a plurality of layers, and at least one of the plurality of cold plates is arranged adjacent to one of a bottom side of one of the plurality of layers, and at least another of the plurality of cold plates is arranged adjacent to a top side of the one of the plurality of layers.
Resumen de: US2025372735A1
Proxy broadcasting techniques for a wireless battery management system can improve communication performance by designating a subset of clusters to serve as proxy broadcasters for another subset of clusters that are experiencing issues with reliably receiving control data from network managers. The techniques can include having two network managers broadcasting the control data in specified portions of a timeslot. The designated proxy broadcasters can receive the control data in a first portion of a timeslot and transmit the received control data to bad clusters in a second portion of the same timeslot.
Resumen de: US2025372695A1
A battery component and methods of forming a battery component are presented. The battery component may include a negative electrode assembly, a positive electrode assembly, and a solid electrolyte membrane layered between the negative electrode assembly and the positive electrode assembly. The solid electrolyte membrane has a binder matrix containing sulfide-based solid electrolyte particles with plastic crystal electrolyte particles occupying pores between the sulfide-based solid electrolyte particles.
Resumen de: WO2025249743A1
Even when charging and discharging under room temperature and low pressure conditions, the output characteristics of a precipitation-type solid secondary battery can be greatly improved. This negative electrode composite material for a precipitation-type solid secondary battery comprises: amorphous carbon; an alloy-forming element forming an alloy with lithium by an electrochemical reaction; and a binder, wherein when the total mass of the amorphous carbon and the alloy-forming element is 100 mass%, the content of the amorphous carbon is 25 mass% or more and 90 mass% or less, the full width at half maximum (FWHM002) of a (002) peak of carbon, obtained by X-ray diffraction measurement of the amorphous carbon using a Cu-Kα line, is 4° or more and 6° or less, and the oxygen content of the amorphous carbon is 0.5 at% or more and 10 at% or less.
Resumen de: WO2025249697A1
The present invention relates to a secondary battery in which, because the top surface and the bottom surface of an electrode assembly have surface roughness, protrusions with increased surface roughness are provided on surfaces of a current collecting plate in contact with the top surface and the bottom surface of the electrode assembly, thereby enhancing contact force and thus reducing contact resistance. For example, disclosed is a secondary battery comprising: an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly; a terminal passing through the case; and a first current collecting plate disposed between the top surface of the electrode assembly and the case and electrically connecting the first electrode plate to the terminal, wherein the first current collecting plate includes: a bottom surface in contact with the top surface of the electrode assembly; and a top surface opposite to the bottom surface. The bottom surface of the first current collecting plate includes protrusions protruding toward the electrode assembly, and the surface roughness of the protrusions is greater than the surface roughness of the top surface of the first current collecting plate.
Resumen de: WO2025249694A1
The present disclosure relates to an electrode assembly and an electrode assembly manufacturing method. The electrode assembly according to the present disclosure may comprise: a first electrode; a first electrode tab disposed on the first electrode; a separator; a second electrode; and a second electrode tab disposed on the second electrode, wherein an inner end of the first electrode tab is formed diagonally and can be disposed to be spaced apart from an inner end of the second electrode tab.
Resumen de: WO2025249729A1
A charging protocol generation device according to an embodiment of the present invention comprises: a protocol acquisition unit configured to obtain a charging protocol indicating a correspondence relationship between a charging C-rate and the charging limit SOC of a battery; a profile acquisition unit configured to obtain a resistance profile based on a reference profile indicating a correspondence relationship between the SOC and the resistance of the battery in a charging process according to the charging C-rate and a standard profile corresponding to a preset standard C-rate; and a control unit configured to correct the charging protocol by changing the charging C-rate of the charging protocol on the basis of the resistance profile.
Resumen de: US2025372765A1
A traction battery pack assembly includes a cell stack within an interior of an enclosure. The cell stack includes a plurality of battery cells and a plurality of dividers disposed along a cell stack axis. The dividers extend outward from the cell stack axis further than the battery cells to provide a portion of at least one immersion coolant channel.
Resumen de: US2025372700A1
A solid-state battery having an enveloped electrode assembly includes an electroactive layer having a first major surface and side surfaces that are encapsulated within a Li ion conductive glassy medium. The encapsulated electroactive layer may be in compression.
Resumen de: US2025372739A1
A method of extracting lithium from black mass produced by battery recycling includes analyzing the black mass to determine a type of lithium entrapment, quantifying a carbon content of the black mass, adding oxidizing or reducing reagents based on the type of lithium entrapment, monitoring completion of oxidation or reduction with at least one oxygen sensor providing a delta lambda value, and extracting lithium from the black mass with a solvent.
Resumen de: US2025372741A1
Disclosed are approaches for recycling LIBs where lithium is recovered before the other node metals in order to increase the amount of lithium recovered. For such approaches, the other node metals need not be further refined or recovered and, despite the small loss of these other node metals as impurities in the first-recovered lithium, the available alternative dispositions for these other node metals—such as in the form of multi-metal-oxides (MMO)—can render the recovery of lithium before the other node metals to be advantageous. Several such approaches may feature nitration, roasting, lithium trapping, and/or other innovative features to facilitate greater and purer recoveries of the target LIB components.
Resumen de: US2025372612A1
In an embodiment, a Li-ion battery electrode comprises a conductive interlayer arranged between a current collector and an electrode active material layer. The conductive interlayer comprises first conductive additives and a first polymer binder, and the electrode active material layer comprises a plurality of active material particles mixed with a second polymer binder (which may be the same as or different from the first polymer binder) and second conductive additives (which may be the same as or different from the first conductive additives). In a further embodiment, the Li-ion battery electrode may be fabricated via application of successive slurry formulations onto the current collector, with the resultant product then being calendared (or densified).
Nº publicación: US2025372736A1 04/12/2025
Solicitante:
GOOGLE LLC [US]
Google LLC
Resumen de: US2025372736A1
This document describes systems and techniques for a self-destructive code device for a rechargeable battery device. For example, a system comprises a rechargeable battery device certified for use with an electronic device. An authentication code is associated with the rechargeable battery device to validate that the rechargeable battery device is authenticated for use with the electronic device. A self-destructive code device is attachable to the rechargeable battery device, the self-destructive code device being configured to present the authentication code and cause the authentication code to become unusable after that rechargeable battery device is deployed for use with the electronic device.
BOPI
Sede Electrónica
