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1832
resultados
Última actualización
05/07/2025 [08:21:00]
Resultados 775 a 800 de 1832
Resumen de: EP4579928A1
This application discloses an electrochemical apparatus and an electric device. The electrochemical apparatus includes an electrode plate. The electrode plate includes a current collector, an active material layer arranged on a surface of the current collector, and a plurality of electrode tab connection portions, where each electrode tab connection portion includes a first part and a second part, and in an unfolded state of the electrode plate, the first parts of the plurality of electrode tab connection portions extend from an edge of the current collector along a width direction of the electrode plate and are spaced apart from each other, and the second parts are arranged on surfaces of the first parts and are electrically connected to the first parts.
Resumen de: EP4579820A1
Some embodiments of this application provide an electrochemical apparatus and an electrical device. The electrochemical apparatus includes an electrode plate. The electrode plate includes a current collector and an active material layer disposed on the surface of the current collector, and in an unwinding state of the electrode plate, a plurality of non-coated regions extend along width direction of the electrode plate on edges of the current collector, an electrode tab connecting sheet is provided with on the surface of each non-coated region, and the electrode tab connecting sheet is electrically connected to the non-coated region; where thickness L1 of the electrode tab connecting sheet satisfies: 3 µm ≤ L1 ≤ 35 µm, and/or fracture strength S1 of the electrode tab connecting sheet satisfies: 200 MPa ≤ S1 ≤ 880 MPa.
Resumen de: EP4579927A1
Embodiments of this application provide an electrochemical apparatus and an electric device. The electrochemical apparatus includes: an electrode plate, where the electrode plate includes a current collector, an active material layer, and a tab connection sheet, and when the electrode plate is in an unfolded state, the current collector includes a first part and a second part in a width direction of the electrode plate, the active material layer is disposed on a surface of the first part, the tab connection sheet overlaps with a surface of the second part to form an overlap region, and the tab connection sheet is welded to the surface of the second part to form an electrical connection to the second part, where in a length direction of the electrode plate, an area ratio of a weld mark to a welding region is greater than or equal to 20%, and a length ratio of the welding region to the overlap region is greater than or equal to 60%.
Resumen de: CN119768992A
The present invention is an energy storage device that is wirelessly charged. The device is characterized in that the housing (1) is made of a dielectric material having a dielectric constant in the range of 2 to 5 and a wall thickness in the range of 0.5 mm to 15 mm. At least one layered strip antenna (3) made of a conductive material is applied to the outer surface of the housing (1), in which successive antenna layers are separated by layers of dielectric material. Inside the housing (1), a housing guide (4) is formed, in which a PCB (5) having a system (6) for converting RF energy into DC is inserted. Terminals (7) connect the at least one energy storage module (2) to terminals (7) of a system for converting RF energy into DC, said terminals (7) and contacts (8) being embedded on a PCB (5) connected to the at least one antenna (3).
Resumen de: CN119816954A
A particulate composition comprising sulfur, graphene nanoplatelets and optionally a binder, and the use of the composition for preparing a battery cathode.
Resumen de: EP4579932A1
The present invention provides: a structure of a pouch type battery cell provided with electrode leads protruding from lengthwise ends thereof, respectively, wherein the pouch type battery cell includes a margin capable of extending the electrode leads by being deformed as end portions of the electrode leads are tensioned; and a structure of a battery module with a battery cell laminate accommodated therein formed by stacking at least one of above-described battery cells.
Resumen de: EP4579844A1
An electrolyte composition contains an ion conductive inorganic solid electrolyte, a polymer having an ability to preferentially conduct metal ions, and an organic solvent, in which the electrolyte composition satisfies at least one of the following conditions: (1) a content of the ion conductive inorganic solid electrolyte is 50 mass% or more with respect to a total amount of the electrolyte composition; and (2) a content of the ion conductive inorganic solid electrolyte is 15 vol% or more with respect to the total amount of the electrolyte composition.
Resumen de: EP4579936A1
A battery module and a voltage acquisition method are disclosed. The battery module includes: a plurality of cells; two groups of connecting plates arranged in parallel, with all the connecting plates of each group distributed in an arrangement direction of the cells; a first acquisition cable including a plurality of first conductors arranged in parallel, and a second acquisition cable stacked with the first acquisition cable and including a plurality of second conductors. In a direction from a head end to a tail end of a first group of connecting plates, and then from a tail end to a head end of a second group of connecting plates, at least some of the first conductors are connected to some of the connecting plates in an arrangement order, at least some of the second conductors are connected to other connecting plates in an arrangement order, and at least one second conductor is arranged between at least one group of adjacent first conductors. The battery module allows to reduce the maximum voltage difference between corresponding conductors of the first acquisition cable and the second acquisition cable, reducing the risk of electric leakage.
Resumen de: EP4579986A1
This disclosure provides a battery pack processing device and an electronic device, which belong to the field of battery technology. In this device, the first chip of the charge-discharge management circuit is electrically connected to the charge-discharge interface; the 11th pin of the first chip is electrically connected to the 24th pin of the second chip of the logic control circuit; the 12th pin of the first chip is electrically connected to the 23rd pin of the second chip; the positive pole of the battery pack is electrically connected to the 1st pin of the fifth chip, and the negative pole of the battery pack is electrically connected to the 11th pin, CO pin, and 9th pin of the fifth chip through the lithium battery protection circuit; the first signal output end of the battery pack communication circuit is electrically connected to the 13th pin of the second chip; the second signal output end of the battery pack communication circuit is electrically connected to the 14th pin of the second chip; the battery pack communication circuit sends control signals to the second chip; the second chip is used to determine the parallel or series connection of the battery pack based on the control signals. This can achieve parallel or series connection of the battery pack, improving the working efficiency of the battery pack.
Resumen de: EP4579907A1
This disclosure reveals an outdoor portable power supply and electronic component, belonging to the field of electronic component technology. The outdoor portable power supply includes a base assembly, a guide rail component, a telescopic component, and a first battery. The guide rail component is arranged on the base assembly; the telescopic component is arranged on the base assembly, and a part of the telescopic component is located inside the guide rail component; the first battery is arranged on the guide rail component, and sleeved on the telescopic component, the first battery having a first electrical connection part at one end away from the guide rail component. The outdoor portable power supply provided by this disclosure allows users to flexibly install and remove batteries according to usage and transportation needs, effectively enhancing the convenience of use and portability.
Resumen de: EP4579906A1
This disclosure reveals a battery installation structure, an outdoor portable power source, and an electronic component, which belong to the technical field of electronic components. The battery installation structure includes a telescopic component, a first battery module, and at least one second battery module. The first battery module is sleeved on the telescopic component; one second battery module is sleeved on the telescopic component and is electrically connected to the first battery module, and the remaining second battery modules are successively sleeved on the telescopic component along the axial direction of the telescopic component and are electrically connected in sequence. The battery installation structure provided by this disclosure allows users to freely increase or decrease the number of second battery modules according to actual power needs, thereby freely increasing or decreasing the battery capacity, enhancing the convenience of use and the portability of carrying.
Resumen de: CN119856324A
The present disclosure provides a silicone-based fire protection sheet, a method of producing the same, and a battery pack having the same. The present invention relates to a silicone-based fire-proof sheet having a structure in which at least one thermally insulating filler selected from aerogel particles, hollow particles and mesoporous particles is bonded in a silicone-based polymer binder, in which when the total mass of the solid content of the silicone-based fire-proof sheet is 100 mass%, the total mass of the solid content of the silicone-based fire-proof sheet is 100 mass%, the total mass of the solid content of the silicone-based fire-proof sheet is 100 mass%, and the total mass of the solid content of the silicone-based fire-proof sheet is 100 mass%. The amount of the thermal insulation filler ranges from 5% by mass to 40% by mass, and the amount of the silicone-based polymer binder ranges from 57.5% by mass to 95% by mass.
Resumen de: EP4579873A1
A method for recovering active metals of a lithium secondary battery may supply a cathode active material mixture to a fluidized bed reactor including a reactor body. A reaction gas may be introduced from a lower portion of the fluidized bed reactor to form a fluidized bed including a preliminary precursor mixture within the reactor body. The fluidized bed portion that has entered the upper portion of the fluidized bed reactor may be cooled to descend it into the reactor body, and then a lithium precursor may be recovered from the preliminary precursor mixture. Accordingly, a terminal velocity of the preliminary precursor is reduced, such that even if the particle size of the preliminary precursor is fine, loss due to scattering may be prevented.
Resumen de: GB2636759A
A process for preparing composite particles by chemical vapour infiltration comprises providing a charge of porous particles in a reactor, contacting the porous particles with a gaseous precursor of an electroactive material under conditions of temperature and pressure effective to cause deposition of the electroactive material into the pores of the porous particles to form the composite particles, wherein contacting comprises at least one discontinuous deposition phase during which the porous particles are contacted with a charge of the gaseous precursor and the reactor is then sealed during deposition of the electroactive material, and a continuous deposition phase during which the gaseous precursor is supplied to the reactor continuously. The electroactive material is preferably silicon. The particles may be porous carbon particles. The composite particles are suitable for use as anode active materials in rechargeable lithium-ion batteries.
Resumen de: EP4579817A1
A positive electrode sheet (10), a secondary battery (100), and an electric device (1000). The positive electrode sheet (10) comprises a positive electrode current collector (11), and a first positive electrode coating (12) and a second positive electrode coating (13) sequentially stacked on the positive electrode current collector (11). The first positive electrode coating (12) comprises a first positive electrode active material and an inorganic filler. The number of particle accumulation layers in the first positive electrode coating (12) is defined to satisfy the following relation: n = T × (M + 1)/(M × D<sup>1</sup><sub>v</sub>50 + D<sup>2</sup><sub>v</sub>50), and n is in a range of from 4 to 7, wherein T is the thickness of the first positive electrode coating (12), the unit is µm, M is the mass ratio of the first positive electrode active material to the inorganic filler contained in the first positive electrode coating (12), D<sup>1</sup><sub>v</sub>50 is the median particle size of the first positive electrode active material, D<sup>2</sup><sub>v</sub>50 is the median particle size of the inorganic filler, D<sup>1</sup><sub>v</sub>50 is 0.6 µm to 1.2 µm, and D<sup>2</sup><sub>v</sub>50 is 0.6 µm to 1.5 µm.
Resumen de: EP4578922A1
In an adhesive bonding stack between a first substrate (2) and a second substrate (3), formed by a first adhesive layer (4), which is double-sidedly adhering and non-detachable, the first side of the first adhesive layer (4) being attached to the first substrate, wherein the adhesive bonding stack further comprises a self-adhesive product, which comprises a dimensionally stable layer (5) provided on the second side of the first adhesive layer (4), a pressure-sensitive adhesive layer (6) provided on a second side of the dimensionally stable layer (5), which is opposite to the first adhesive layer (4), the second side of the pressure-sensitive adhesive layer (6) being attached to the second substrate (3), the detachable adhesive layer (6) being an adhesive moiety detachable by stretching, rendering the adhesive bonding stack detachable, a previously non-detachable bond becomes internally divisible and thus detachable.
Resumen de: EP4579829A1
La cellule (10) comprend un empilement d'éléments électrochimiques (12), comprenant une cathode, une anode, et un séparateur imprégné d'électrolyte intercalé entre l'anode et la cathode, et comportant un boitier de maintien (16) présentant deux faces principales (20) entre lesquelles est comprimé l'empilement d'éléments électrochimiques (12). Chaque face principale (20) présente au moins une plage d'appui (22) faisant saillie vers l'intérieur au voisinage d'au moins un bord de la face principale (20), ladite plage d'appui (22) étant en appui sur l'empilement d'éléments électrochimiques (12).
Resumen de: EP4579883A1
The battery module (10) comprises a plurality of cells (12) aligned in an alignment direction (X), the plurality of cells comprising two end cells (12A) and intermediate cells aligned between the end cells (12A) in the alignment direction (X), each cell (12) being separated from adjacent cells by respective insulating walls (28), the battery module (10) also comprising two lateral walls (14a, 14b). Each end cell (12A) is separated from at least one of the two lateral walls (14a, 14b) by a high conductive layer (34), the cells (12) being separated from the same lateral wall by an insulating layer (32) or a high conductive layer (34), by alternating from a conductive layer (34) and an insulating layer (32) from any cell (12) to adjacent cells (12).
Resumen de: EP4579877A1
This application provides a battery pack and an electrical device. The battery pack includes a housing assembly, a first connecting piece, and a cell assembly. The housing assembly includes a first space. The housing assembly is provided with a first opening and a second opening both communicating with the first space. The first connecting piece is accommodated in the first space. The first connecting piece is provided with a first channel. The first opening communicates to the second opening through the first channel. At least a part of the cell assembly is disposed in the first space. Along a first direction, a projection of the first opening and a projection of the cell assembly are spaced apart from each other, a projection of the second opening the projection of the cell assembly are spaced apart from each other. The first direction is a stacking direction of battery cells in the cell assembly. The heat of the cell assembly in the battery pack flows in the first channel through external air and is dissipated to an external environment, thereby improving the heat dissipation efficiency of the cell assembly.
Resumen de: EP4579866A1
Disclosed herein is a battery comprising: an electrical power supply portion configured to supply electrical power to a device connected to the battery; and a control portion configured to control a power output of the electrical power supply portion. The control portion is configured to control the power output of the electrical power supply portion based on a determined environmental condition of the battery.
Resumen de: EP4579876A1
The battery module (10) comprises a plurality of units (U1, U2) aligned in an alignment direction (X). Each unit (U1, U2) is separated of adjacent units by respective thermal walls (11). The plurality of units (U1, U2) comprises two end units (U1), each arranged at a respective end of the battery module (10) in the alignment direction (X), and intermediate units (U2) aligned between the end units (U1). Each end unit (U1) comprises only one first cell (12), and each intermediate unit comprises at least one cell (12, 14), the capacity of the first cell (12) of each end unit (U1) being smaller than the total capacity of the at least one cell of at least one of the intermediate units (U2).
Resumen de: EP4579904A1
An electrochemical apparatus and an electronic apparatus are provided. The electrochemical apparatus includes a housing, an electrode assembly, and a first conductive plate. The housing includes a main body portion and a sealing structure. The main body portion includes a first end wall and a second end wall opposite each other in a first direction, a first wall and a second wall opposite each other in a second direction, and a first side wall and a second side wall opposite each other in a third direction. The sealing structure includes a first sealing portion connected to the first end wall and a second sealing portion connected to the first side wall. The first sealing portion is folded in a direction towards a junction between the first wall and the first end wall, and/or the second sealing portion is folded in a direction towards a junction between the first wall and the first side wall. The first conductive plate includes a first surface facing the first wall and a second surface facing the second wall. An insulation adhesive connects the first conductive plate and the first sealing portion and includes a first layer connected to the first surface and a second layer connected to the second surface. A second region of the second layer overlaps with the first layer, and a first region extends beyond the first layer from the second region towards the electrode assembly.
Resumen de: EP4579874A1
Some embodiments of this application provide a battery pack. The battery pack includes a first casing, a battery module, and a second casing. The first casing has a first opening. The battery module is accommodated in the first casing. The second casing is connected to the first casing, the second casing includes a first sub-casing and a second sub-casing, the first sub-casing is connected to the first casing and covers at least a part of the first opening, and the second sub-casing is connected to the first casing. The first sub-casing and/or the second sub-casing is configured to be openable.
Resumen de: TW202417273A
Systems, methods, and devices of the various embodiments may provide control and/or sensing circuit configurations for electrochemical energy storage systems, such as metal-air battery systems. Various embodiments may include systems, methods, and devices supporting terminal switching between a charge cathode and a discharge cathode of a metal-air battery, bypass switching for the metal-air battery, and/or electrolyte low level detection for the metal-air battery.
Nº publicación: EP4578060A2 02/07/2025
Solicitante:
AGR LITHIUM INC [US]
AGR Lithium Inc
Resumen de: TW202515019A
A method for obtaining a metal salt from a spent lithium-ion (Li-ion) battery may include contacting a leaching solvent to a portion of the spent lithium-ion battery to form a first dispersion. The first dispersion is heated to a temperature in a range from 50 DEG C to 90 DEG C by applying microwave radiation. The temperature of the first dispersion is maintained to be in the range from 50 DEG C to 90 DEG C for a period in a range from 10 seconds to 5 minutes by further applying microwave radiation to the heated first dispersion. The first dispersion is filtered to obtain a first filtrate. A first base is contacted with the first filtrate to increase a pH of the first filtrate to a first predetermined value to precipitate a first metal salt.
BOPI
Sede Electrónica
