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1057
resultados
Última actualización
21/11/2025 [07:10:00]
Resultados 50 a 75 de 1057
Resumen de: EP4651243A1
A method for assembling an energy storage pack (200), the method comprising providing (S1) the energy storage pack (200) having a frame structure (202), a plurality of energy storage members (204) and a plurality of cooling members (206) for cooling the plurality of energy storage members (204); applying (S2) an assembling pressure (P) on at least one side (210) of the energy storage pack (200) for at least temporarily fixating at least the plurality of energy storage members (204) and the plurality of cooling members (206) in a predefined assembling position; dispensing (S3) a filler (212) inside the frame structure (202), when at least the plurality of energy storage members (204) and the plurality of cooling members (206) are fixated in the predefined assembling position; and releasing (S4) the assembling pressure (P) to obtain the assembled energy storage pack (200).
Resumen de: EP4651264A1
Es wird ein Verfahren zur Formierung einer Batteriezelle, insbesondere zur Ausbildung einer Feststoff-Elektrolyt-Grenzphase (SEI), bei dem eine zeitabhängige Stromstärke (1', 2', 3') und/oder Spannung zur Formierung der Batteriezelle verwendet wird, vorgeschlagen, wobei das Verfahren gekennzeichnet dadurch ist, dass ein komplexwertiger Zellinnenwiderstand (1, 2, 3) der Batteriezelle während der Formierung mehrfach erfasst wird, und die Steuerung der Stromstärke (1', 2', 3') und/oder der Spannung in Abhängigkeit des erfassten Zellinnenwiderstands (1, 2, 3) erfolgt.Weiterhin betrifft die Erfindung eine Vorrichtung zur Steuerung einer Formierung einer Batteriezelle.
Resumen de: EP4650503A1
Three-dimensional (3D) network of metal fibers, comprising a plurality of metal fibers fixed to one another, wherein said plurality of metal fibers comprises a first kind of metal fibers and a second kind of metal fibers, wherein the first kind and second kind of metal fibers are different from one another, in particular in regard to their mechanical properties, wherein a plurality of the metal fibers of the first kind of metal fibers are connected to one another.
Resumen de: EP4651230A1
The present invention relates to the technical field of lithium-ion batteries, and specifically to a cathode material and a preparation method therefor, a cathode plate, a lithium-ion battery and an electric device. Particles of the cathode material has a core-shell structure, wherein the core-shell structure includes a nickel-rich inner core and a lithium-nickel-cobalt-manganese-oxide outer shell coated on a surface of the nickel-rich inner core, wherein a nickel element content in the nickel-rich inner core is higher than a nickel element content in the lithium-nickel-cobalt-manganese-oxide outer shell; and a cobalt element content and a manganese element content in the lithium-nickel-cobalt-manganese-oxide outer shell are higher than a cobalt element content and a manganese element content in the nickel-rich inner core, respectively. The high nickel content in the inner core of the cathode material can improve capacity; the high manganese element in the outer shell can improve safety and stability of the cathode material, the high cobalt element in the outer shell can improve first efficiency and rate performance of the cathode material, and thus a manganese-rich and cobalt-rich outer shell effectively improves cycle performance of the cathode material and reduces gas generation and heat release.
Resumen de: GB2641009A
A method of processing a cathode composition for a lithium-ion secondary cell includes providing an unprocessed cathode composition comprising an electrochemically active material and a polymer binder, and subjecting the unprocessed cathode composition to heat treatment at a temperature between 200-400°C under an inert atmosphere or vacuum. The inert atmosphere may be substantially oxygen-free and may comprise argon. The unprocessed composition may be formed by solid solvent casting on a current collector. The composition may be in the form of a powder, and may include PVDF as the binder and a conductive carbon additive, e.g., carbon black. The electrochemically active material may be a lithium nickel manganese oxide, which may also include cobalt. The resulting cathode composition is stated to (i) increase initial discharge capacity, (ii) increase capacity retention over the first five charge-discharge cycles, and/or (iii) increase first cycle coulombic efficiency.
Resumen de: WO2024168369A1
The present invention relates to a battery energy storage device (100), wherein a sealing element (40) is arranged at a through-opening (13) which extends through a housing (10) and in which a busbar (30) extends from an interior (12) to an outer face (17) of the housing (10).
Resumen de: WO2024168368A1
The present invention relates to a battery storage device (100) in which a cell-receiving portion (12) of a housing (10) has a plurality of receiving chambers (21) which are divided gas-impermeably by means of a chamber partition (16) and in which an individual battery cell or a group of a plurality of battery cells (20) is received; and a gas exhaust portion (13) of the housing (10) has a plurality of exhaust passages (31) which are at least partially divided gas-impermeably by means of a passage partition (18) and are each fluidically connected to an associated receiving chamber (21) and form a flow path which is separate at least in certain sections.
Resumen de: EP4651274A1
The present disclosure provides a battery cell with a surface containing an insulating coating, a method for preparing the same, and a battery pack including the same. The method for preparing the battery cell includes: S1. spraying an insulating paint onto a spraying surface of a battery cell to obtain a semi-finished product; S2. irradiating the semi-finished product under ultraviolet light with a power density of P1 for T1 seconds, followed by irradiating the semi-finished product under ultraviolet light with a power density of P2 for T2 seconds, to obtain the battery cell with the surface containing the insulating coating; wherein 0.1 W/cm<2>≤P1<2.5 W/cm<2>, 0
Resumen de: EP4651281A1
A plurality of secondary batteries may be loaded on a secondary battery tray according to an embodiment of the present disclosure. The secondary battery tray may include a bottom portion; and a plurality of guide lips that is located above the bottom portion, is configured to erect and support the secondary battery, and faces each other. The guide lip may include a contact portion configured to contact and support the secondary battery; and a non-contact portion that is located outside the contact portion, has a thinner thickness than the contact portion, and does not contact the secondary battery.
Resumen de: EP4651235A1
The present application provides a silicon-oxygen composite material comprising a silicon-oxygen material matrix and a first doping element distributed in the silicon-oxygen material matrix, at least a part of the first doping element exists in a crystal form in the silicon-oxygen material matrix, and the crystal has a grain size ≤ 9 nm, wherein the first doping element satisfies: a lithium ion diffusion coefficient of a simple substance of the first doping element at 25°C is larger than that of elemental silicon at 25°C.
Resumen de: EP4651249A1
With the present invention, the discharge energy of a lithium iron phosphate ion battery is increased. This method for manufacturing a lithium iron phosphate ion battery involves: a step of forming a positive electrode containing lithium, iron, phosphorus, and amorphous carbon; a step of forming a negative electrode containing graphite and amorphous carbon; and a step of putting the positive electrode, the negative electrode, and a predetermined electrolyte in a predetermined container and sealing the container. At least one of the amorphous carbon of the positive electrode and the amorphous carbon of the negative electrode has a carbon nanotube or a fullerene of 10 wt.% or less.
Resumen de: EP4651254A1
The present disclosure discloses a gel polymer electrolyte and a preparation method therefor, a battery, a charging and discharging method of a battery, and an electrical device. The gel polymer electrolyte has a first state at a first temperature and a second state at a second temperature. The first state and the second state are mutually transitionable. The first temperature is higher than the second temperature. A degree of crosslinking of the gel polymer electrolyte in the second state is higher than a degree of crosslinking of the gel polymer electrolyte in the first state. Therefore, a battery including the gel polymer electrolyte of the present disclosure still has a high capacity retention rate and high rate performance after multiple cycles.
Resumen de: EP4651236A1
The present invention relates to a positive electrode active material including a lithium transition metal oxide in a form of a single particle, wherein the lithium transition metal oxide satisfies at least one of Conditions 1 to 3 which are described in the present specification, and a positive electrode and a lithium secondary battery which include the same.
Resumen de: EP4651239A1
Provided in the present disclosure is a composite cathode for an all-solid-state lithium secondary battery, and an all-solid-state lithium secondary battery including same, the composite cathode comprising a sulfide-based solid electrolyte and a cathode binder, which comprises a nonaromatic hydrocarbon-based butadiene rubber and a fluorine-based rubber.
Resumen de: WO2024175916A1
A solid crystalline material of formula (I): LiaM2-bMʹbS7-yYy I1-xXx; wherein: a is from 5 to 9; M is selected from Si, Ge or Sn, or a mixture thereof; Mʹ is selected from Zn, B, Al, Ga, Sb, P, V, Nb, Ta, Mo, or W, or a mixture thereof; b is from 0 to 2; Y is selected from O, Se, Te, N, F, Cl, Br or I, or a mixture thereof; y is from 0 to 5; X is selected from O, S, Se, Te, F, Cl, Br, BH4, OH, or NH2, or a mixture thereof; and x is from 0 to 1. The solid crystalline material suitably provides a solid ionic conductor for use in a solid-state battery. A solid crystalline material comprising a solid solution, a solid-state battery comprising the solid crystalline material and a method of preparing the solid crystalline are also disclosed.
Resumen de: CN120476529A
The present disclosure generally relates to systems and methods for monitoring cell imbalance during battery discharge. The battery may include a plurality of battery cells. During discharge of the battery, when the battery capacity reaches a standard, the battery discharge apparatus retrieves an energy and/or a voltage of the battery and determines a voltage change corresponding to a change in the energy of the battery. The determined result may be compared to battery discharge reference data to determine a battery cell imbalance. The battery discharge apparatus may terminate the battery discharge process by detecting battery cell imbalance.
Resumen de: WO2024150013A1
A power supply unit for a launch vehicle is disclosed. The power supply unit comprises a protective housing and, within the housing, a control module and a battery holder configured to receive a plurality of replaceable lithium-ion battery cells. The control module comprises a power switching and distribution module, and a battery management and monitoring system module. The power supply unit has several advantages including improved safety, and reduced size and weight.
Resumen de: WO2024151203A1
The present invention related to an electrolyte composition comprising: a salt; an ion transporting medium comprising solvolysis products of binder molecules selected from polymeric β-amino esters; optionally a supporting binder system; and optionally one or more other ingredients selected from softeners, pigments, dye molecules and processing aid agents, wherein the salt is dissolved in the ion transporting medium. The present invention also relates to an electrolyte precursor composition, an electrochemical cell and methods for manufacturing said electrochemical cell.
Resumen de: EP4651288A1
The present disclosure relates to a battery pack and a battery device including the same. A battery pack according to an embodiment of the present disclosure may include a plurality of battery modules, a housing accommodating the plurality of battery modules, and a venting cover coupled to the housing to cover the battery module and guiding the flow of gas released from the battery module, wherein the venting cover may include a cover body having a plurality of slits formed therein for passage of gas released from the battery module, and a separation protrusion protruding from the bottom surface of the cover body to separate the plurality of battery modules so that gas movement between the plurality of battery modules is prevented.
Resumen de: TW202436407A
The invention provides a macromonomer, an electrolyte precursor composition comprising the macromonomer, a method to prepare a solid-polymer electrolyte, a solid-polymer electrolyte, a solid-state lithium secondary battery, an electrochemical device and a device.
Resumen de: CN120513221A
A process for the preparation of a particulate (oxygen) hydroxide or oxide of TM wherein TM represents a metal wherein the process is carried out in a cascade of at least three stirred tank reactors is disclosed.
Resumen de: CN120435783A
The invention relates to a battery device, in particular for a vehicle, comprising: a housing (1, 2) comprising a tray (1) provided with a bottom (10) and cylindrical side walls (11, 12); the invention relates to a battery pack (1) comprising a plurality of battery cells (30), each battery cell being delimited by a rigid, semi-rigid or flexible housing (300) of substantially rectangular or prismatic shape, the or each row (3) having two ends, i.e. A first end (31) and a second end (32), the or each row extending axially between the two ends. The device is characterized in that it further comprises at least one compression interface (4, 5) dedicated to the row or each row (3) of cells (30), configured and arranged in the tray (1) in order to press the first or second end (31, 32) of the row (3) in order to perform the axial compression thereof.
Resumen de: EP4650700A1
Provided are a separator (2), a battery box (100), and a battery pack. The separator is applied to the battery box (100) and includes a first body and a first flow guiding assembly (2021,2022). The first body is provided with a return hole (2011) and multiple mounting holes (2012) passing through the first body in a first direction. The multiple mounting holes (2012) are located between the liquid outlet region and the return hole (2011). The first flow guiding assembly and the liquid outlet region are located on the same side surface of the first body. The first flow guiding assembly includes multiple first flow guiding grooves (2021). The first flow guiding assembly is configured to guide a coolant in the region in which the battery module is located to the liquid outlet region.
Resumen de: EP4651262A1
A battery module according to an embodiment of the present disclosure may include a case forming the exterior; a battery cell accommodated inside the case; a circuit unit that is located between the inner surface of the case and the battery cell and is connected to the battery cell to transmit and receive electrical signals; a temperature measurement unit that is located on one surface of the circuit unit facing the battery cell, measures the temperature of the battery cell to transmit the temperature information to the circuit unit, and is spaced apart from the battery cell at a regular interval; and a retaining portion located between the battery cell and the circuit unit.
Nº publicación: EP4651261A1 19/11/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4651261A1
An electrode performance analysis apparatus according to an embodiment disclosed herein includes a first modeling unit configured to three-dimensionally (3D) model an initial electrode structure, an obtaining unit configured to obtain a first parameter comprising at least one of an active material particle size, a filling rate, or a filling rate from each of a plurality of lattice cells in the initial electrode structure, a second modeling unit configured to 3D model a reference electrode structure based on the first parameter, and an analyzing unit configured to analyze performance of the reference electrode structure.
BOPI
Sede Electrónica
