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1712
resultados
Última actualización
09/06/2025 [07:16:00]
Resultados 825 a 850 de 1712
Resumen de: WO2024023830A1
The present disclosure provides a thermal system (100) for a battery pack (102) comprising a pump (104) and a plurality of tubes (108) fluidly coupled to the pump (104) and mounted onto the battery casing (106) of the battery pack (102). The plurality of tubes (108) is adapted to circulate thermal fluid for maintaining a fast-charging temperature of the battery pack (102). A control unit (110) is communicably coupled to the pump (104) and to a BMS (112). The control unit (110) is adapted to control actuation of the pump (104) based on one or more battery related parameters (114) for circulating thermal fluid within plurality of tubes (108) to maintain fast-charging temperature of the battery pack (102) during fast-charging of battery pack (102). The thermal system (100) is adapted to reduce temperature of battery pack (102) during fast- charging, thereby minimizing deterioration of battery pack (102).
Resumen de: WO2024023829A1
A busbar (104) for a battery pack (100) comprises a longitudinal body (202) and a plurality of projections (204) extending substantially orthogonally with respect to the longitudinal body (202). Each projection (204) is connectable to a cell (102) of the battery pack (100). Each projection (204) has a tail portion (206) to connect the projection (204) to the longitudinal body (202) and a head portion (208) contiguous with the tail portion (206). The head portion (208) is to connect to the cell (102). An interconnector terminal (210) of the busbar (104) is to electrically connect the busbar (104) to another component. The interconnector terminal (210) comprises a component-facing surface (304) and a component connector (302) disposed on the component-facing surface (304). The component connector (302) is made of a shape memory allow (SMA) and being electrically conductive.
Resumen de: EP4564534A1
A vehicle, comprising a battery pack that comprises a heat exchanger. The heat exchanger comprises a first heat exchange section and two second heat exchange sections; the first heat exchange section is provided with at least one first heat exchange flow channel, each second heat exchange section is provided with at least one second heat exchange flow channel, and the volume proportion of the at least one second heat exchange flow channel in the second heat exchange section is greater than that of the first heat exchange flow channel in the first heat exchange section.
Resumen de: EP4564512A1
The present invention relates to a non-aqueous electrolyte and a lithium-ion battery. The non-aqueous electrolyte according to the present invention includes a lithium salt, an organic solvant and additives. The percentage by weight of the additives in the non-aqueous electrolyte is 0001% to 10%, the additives include 1,3,6-hexanetricarbonitrile and vinylene carbonate, and the weight ratio of 1,3,6-hexanetricarbonitrile to vinylene carbonate is 1 : 4 to 19. Under the synergistic effect of 1,3,6-hexanetricarbonitrile and vinylene carbonate, the lithium-ion battery prepared with the non-aqueous electrolyte has better cycle performance and heat resistance.
Resumen de: WO2024061544A1
The invention relates to a device (1) for detecting the entry of moisture into a housing (2) comprising a high-voltage component. The invention is characterized in that a gas- or pressure-generating element (3) is provided which generates gas or pressure upon being contacted by a liquid in the form of droplets, wherein a gas or pressure sensor (4) is arranged together with the gas- or pressure-generating element (3) in a common enveloping element (5), the enveloping element (5) is connected to the housing (3) via at least one access opening (6), and the gas or pressure sensor (4) detects a pressure increase or the generation of gas in the enveloping element (5) and outputs a warning signal.
Resumen de: GB2635886A
Disclosed in the present invention are a preparation method and use of tungsten-doped cobaltosic oxide. The method comprises the following steps: dissolving a tungsten-containing compound and a molybdenum-containing compound in an alkali liquor to obtain a mixed solution; adding the mixed solution, a cobalt salt solution, and a complexing agent to a base solution in parallel for reaction; calcining a resulting precipitate in an oxygen-containing atmosphere; and soaking the calcined material in a sodium sulfide solution to obtain the tungsten-doped cobaltosic oxide. In the present invention, tungsten is doped, which has a larger atomic radius, stabilizing the internal structure of the material, expanding the ion channel, and thus improving the cycling performance of the material. Meanwhile, the removal of molybdenum in the soaking process provides atomic vacancies, further improving the specific capacity of the material.
Resumen de: WO2024022971A2
The invention relates to a housing for an electronic element, preferably a battery cell or a capacitor, comprising a cylindrical portion (4) and a base (6) disposed at one end of the cylindrical portion (4), wherein the cylindrical portion (4) and the base (6) are formed as a single piece, the housing being characterized in that the cylindrical portion (4) and the base (6) are made of a plated sheet metal and in that the sheet metal has at least one layer (10) of aluminum and at least one layer (12) of steel. The housing achieves the aim of providing an improved housing.
Resumen de: EP4564586A1
Disclosed is a cylindrical battery including a pressure sensor, and an apparatus for monitoring a swelling pressure. The cylindrical battery includes an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference; a battery housing having an open end and a closed portion opposing thereto, configured to accommodate the electrode assembly in a space between the open end and the closed portion, and electrically connected to one of the first electrode and the second electrode to have a first polarity; a sealing body configured to seal the open end of the battery housing; a terminal electrically connected to another of the first electrode and the second electrode and having a surface exposed to an outside; and a pressure sensor interposed between an outer circumference of the electrode assembly and an inner circumference of the battery housing and configured to sense a swelling pressure applied by the outer circumference of the electrode assembly to the inner circumference of the battery housing and output a pressure sensing signal to the outside.
Resumen de: EP4564513A1
An electrolyte for a rechargeable lithium battery of exemplary embodiments includes: an organic solvent; a lithium salt; and a bisphosphate-based additive, thereby providing an electrolyte for a rechargeable lithium battery capable of imparting improved flame retardant characteristics and cell performance, for example, high-temperature storage characteristics and lifespan characteristics, and a rechargeable lithium battery including the same.
Resumen de: EP4564533A1
Provided in the present application is a battery cooling structure, comprising a cooling plate assembly and battery modules. The cooling plate assembly comprises a horizontally-arranged first cooling plate and a plurality of vertically-arranged second cooling plates, the plurality of second cooling plates being successively arranged at intervals in the horizontal direction. Independent cooling liquid channels are provided in the first cooling plate and the second cooling plates. The first cooling plate is at least located on one side of the second cooling plates in the vertical direction, battery modules being located between every two adjacent second cooling plates. Two opposite side faces of each battery module are respectively cooled by means of the two second cooling plates adjacent thereto, and the top face and/or the bottom face of each battery module is cooled by means of the first cooling plate. Also provided in the present application are a battery pack and an electric vehicle.
Resumen de: EP4564519A1
The present disclosure discloses a collaborative battery pack charging method, device, and computer-readable storage medium. The method includes: (S1) when the battery packs are connected to a charger, calculating charging requirement of the battery packs through state data of the battery packs collected by a charging control module, and obtaining parameter data of the battery packs; (S2) when the battery packs are in a normal working state, detecting whether specification data of the battery packs match the parameter data, and when matched, controlling activation of a charging switch for each battery pack according to mutual relationships of respective voltages of the battery packs; (S3) detecting and adjusting a total charging current for all battery packs and a charging current for each battery pack according to calculated aggregated current requirement. The present disclosure effectively enhances the charging efficiency of collaborative charging for multiple battery packs while ensuring charging safety.
Resumen de: AU2023312383A1
A method of recycling one or more valuable metal elements from a solid source material comprising the one or more valuable metal elements and fluorine, the method comprising: forming an acidic aqueous recycling feed by acid leaching the source material, or derivative thereof, the acidic aqueous recycling feed comprising the one or more valuable metal elements; and recovering the one or more valuable metal elements from the acidic aqueous recycling feed via one or more further process steps selected from solvent extraction, solid phase extraction, electrochemical extraction, and precipitation processes, wherein the fluorine is extracted prior to recovery of the one or more valuable metal elements from the acidic aqueous recycling feed.
Resumen de: CN119654733A
The present invention relates to a battery cartridge comprising electrochemical cells in the interior of the cartridge. The first face of the battery cartridge comprises a first strap portion, a second strap portion and a third strap portion which are different from one another, and the first strap portion, the second strap portion and the third strap portion are defined by two parallel straight lines which completely penetrate through the face of the cartridge. The first face of the cell cartridge includes a fluid inlet opening in the first band portion, a fluid outlet opening in the second band portion, and first and second openings in the third band portion, the first and second openings forming interfaces to the first and second poles of the electrochemical cell. The invention also relates to a connecting beam for a battery box and to a battery comprising said beam and at least two battery boxes.
Resumen de: CN119678273A
The invention relates to a current collector (1) for an electrical energy storage or power generation system, said current collector (1) comprising an electronically conductive substrate (2), a non-conductive polymer matrix (4) and carbon nanotubes (3). The carbon nanotubes comprise a first end (31) fixed to and electrically connected to the surface of the electronically conductive substrate (2), and a second end (32) opposite the first end for collecting current from the electrode, thereby forming a layer on the surface of the electronically conductive substrate (2) comprising a plurality of collecting regions, the plurality of collection regions are electrically insulated from each other by an intermediate region of the non-conductive polymer matrix. Each collection region comprises a plurality of carbon nanotubes, and a second set of ends of the carbon nanotubes in each collection region protrude beyond the surface of the non-conductive polymer matrix.
Resumen de: EP4564025A1
The present application may provide: a method for simulating charging and discharging behavior of a secondary battery; a hardware device in which the method is stored; and a battery management device in which the method is stored. The present application may provide: a method capable of simulating, in a relatively simple way, charging and discharging behavior of a secondary battery to have high consistency with actual behavior; and a hardware device and a battery management device in which the relevant method is stored.
Resumen de: CN119631193A
A coated particulate material for an electrode of an electrochemical cell and a method for preparing the coated particulate material, an electrode comprising the coated particulate material, an electrochemical cell comprising the coated particulate material and the use of the coated particulate material for preparing an electrode for an electrochemical cell.
Resumen de: CN119631222A
The container (12) comprises a structure (30) for receiving the battery module (16), the structure comprising upper corner pieces (70) mounted on upper corners of a peripheral wall (36) of the structure (30), the structure (30) further having a top plate (40) extending between the upper corners. The top plate (40) comprises a drainage area (80) comprising at least two inclined surfaces (82A to 82D) inclined between the lower edge and at least one upper point (86) common to the two inclined surfaces (82A to 82D) so as to allow water received on each inclined surface (82A to 82D) to flow towards its lower edge. The drainage region (80) lies in or below a plane (P) defined by the upper surface (72) of the upper corner piece (70).
Resumen de: WO2024023316A1
The invention relates to a thermal management system (1, 1a, 1b, 41, 51, 61) comprising a fluid cooling circuit (2) comprising a cooling channel (3) in a thermal load (4), a cooling pump (5) arranged to circulate cooling fluid inside the fluid cooling circuit (2) and a heat exchanger (6) connected between the cooling channel (3) in the thermal load (4) and the cooling pump (5). The fluid cooling circuit (2) comprises a heat exchanger by-pass valve (7) connected to the cooling channel (3) in the thermal load (4) and to the cooling pump (5). The thermal management system (1, 1a, 1b, 41, 51, 61) comprises a ram air channel (8) comprising a ram air inlet door (9). The ram air channel (8) is arranged to provide cooling to the heat exchanger (6) by ram air cooling when the ram air inlet door (9) is open. The thermal load (4) is an electric motor (13) with at least two associated motor controllers (14) connected in parallel with the electric motor (13). The invention also relates to an electric aircraft (23) comprising a thermal management system.
Resumen de: EP4564560A1
A battery and an electrical device are provided. The battery includes at least one cell group. Each of the at least one cell group includes two cell rows. Each of the two cell rows includes at least one cell. In one cell group, each of the at least one cell in one of the two cell rows has a first end surface facing towards another one of the two cell rows. The first end surface is provided with a pressure relief structure. The cell has an electrical connection terminal at a surface of the cell other than the first end surface.
Resumen de: CN119546428A
The invention relates to a cutting device for cutting off segments (7) for energy cells from a continuous web (5) which is fed into a gap (6) in a cutting plane (I), according to the invention, the cutting device has a cutting rotation mechanism which is arranged on one side of the gap (6) and is driven by means of a first drive mechanism (100) for a rotational movement about an axis of rotation, said cutting rotation mechanism having at least one cutting blade (3), in particular a cutting drum (1), which projects radially outward from a boundary surface of the cutting rotation mechanism, the invention relates to a cutting drum (2) for cutting a continuous web (5), comprising at least one cutting blade (3) which projects radially outward from the circumferential surface of the cutting drum (2), the cutting edge (9) of the cutting blade (3) sliding in a point contact (S) on the cutting edge (8) of a counter blade (4) during a rotary movement of a cutting rotary mechanism, in particular of the cutting drum (1), during the cutting of the continuous web (5), and the first drive mechanism (100) is subjected to torque adjustment at least during the slippage of the cutting edge (9) of the cutting blade (3) on the cutting edge (8) of the counter blade (4).
Resumen de: CN119584877A
The invention relates to an aerosol-generating device comprising: a first power source and a second power source; and circuitry including a controller configured to supply electrical energy to the at least one electrical heater from the first and second power sources. The first power source and the second power source are different types of power sources. The invention also relates to an aerosol-generating system comprising the aerosol-generating device. The invention also relates to a method for generating an aerosol in an aerosol-generating device.
Resumen de: CN119585919A
The invention relates to a thermal management and safety method for a battery in an apparatus comprising a battery comprising a plurality of modules, each module comprising a plurality of battery cells, and a cooling circuit comprising a loop for circulating a coolant and a control valve for controlling the coolant flow upstream of each module, the method comprises the following steps: a) a step of detecting a fault in at least one battery cell of the module, b) a step of regulating the flow when a fault is detected, the step comprising increasing the flow of coolant in the module comprising the at least one faulty battery cell.
Resumen de: US2025158172A1
The invention relates to a multi-layered protective element (20) for a battery (1) with at least two battery cells (10), which are arranged next to one another, wherein the protective element (20) can be arranged between the battery cells (10), and wherein the protective element (20) has a compressible core layer (21). According to the invention, the core layer (21) predominantly comprises animal wool and the layer thickness of the core layer is 60 to 98% of the total thickness of the protective element. The invention also relates to a battery (1) and to the use of the protective element (20) for a battery (1).
Resumen de: CN119487678A
The invention discloses a battery pack having: a cell group wherein the cell group comprises cells each defining a cylindrical body wherein the cells are enclosed in respective sleeves wherein the cells are further enclosed in thermoplastic spacers such that the cells are axially parallel to each other and distributed in a planar array, and wherein adjacent ones of the cells are laterally spaced apart from each other by a thermal barrier defining a pitch formed by thermoplastic spacers.
Nº publicación: EP4562691A1 04/06/2025
Solicitante:
ACCUMULATEURS FIXES [FR]
SAFT
Resumen de: CN119731799A
The invention relates to an electrochemical cell comprising:-a negative electrode comprising an active material; -a positive electrode comprising an active material comprising a lithium ferromanganese phosphate; -a gel electrolyte comprising a matrix, said matrix being a polymer obtained by crosslinking monomers comprising at least two acrylate groups, whereby a liquid mixture comprising at least one solvent, at least one lithium salt and a free-radical polymerization thermal initiator is incorporated into the matrix.
BOPI
Sede Electrónica
