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1314
resultados
Última actualización
10/09/2025 [07:16:00]
Resultados 525 a 550 de 1314
Resumen de: EP4611109A1
A battery cell, a battery, and a power consuming device are provided. A battery cell 1 includes a shell 100, an electrode assembly 200, a first processor 300, a detection sensor 400, and a second processor 500. The electrode assembly 200 is arranged inside the shell 100. The first processor 300 is arranged inside the shell 100. The detection sensor 400 is arranged inside the shell 100 and is electrically connected to the first processor 300 via first communication lines 410. The second processor 500 is arranged outside the shell 100 and is electrically connected to the first processor 300 via second communication lines 510. A quantity of the second communication lines 510 is less than a quantity of the first communication lines 410. In the foregoing manner, a quantity of communication lines running through the shell can be reduced, thereby improving reliability and stability of the battery cell.
Resumen de: EP4611138A1
The present disclosure provides a battery box beam, a battery box (1), and a battery module. The battery box beam includes a body wall (7); a first beam wall (8) connected to one end of the body wall (7), and the first beam wall (8) compries a first pressure bearing section (81) disposed opposite to the body wall (7); and a second beam wall (9) connected to another end of the body wall (7), the second beam wall (9) includes a second pressure bearing section (91), and the second pressure bearing section (91) is disposed opposite to the body wall (7) and extends towards and partially overlaps with the first pressure bearing section (81), thereby meeting the requirements of light-weight and strength of the battery module.
Resumen de: EP4611143A1
The present invention provides a structure of a battery module including: a battery cell laminate formed by stacking a plurality of pouch-type battery cells; a frame having open front and rear ends, and accommodates the battery cell laminate; a pair of end plates covering the front and rear ends of the frame; and a flame retardant cover attached to a predetermined area of a surface of the frame, wherein the predetermined area is divided into a plurality of areas, the flame retardant cover includes a plurality of divided covers attached to cover the plurality of areas, respectively, and the frame includes: an upper surface having two or more divided covers attached thereto; and two side surfaces having two or more divided covers attached thereto, respectively.
Resumen de: EP4611160A1
A battery module including a battery cell stack in which multiple battery cells are stacked, a module case configured to accommodate the battery cell stack, a terminal busbar disposed on one side of the battery cell stack, an insulating cover disposed on one side of the module case, one end portion of the terminal busbar being positioned on the insulating cover, and a fixing member having a fixing hole configured to fix the one end portion of the terminal busbar, where the fixing member being disposed below the one end portion of the terminal busbar in the insulating cover is provided.
Resumen de: GB2638912A
A system and method for using unrecoverable energy in a battery cell is disclosed in this application. A system includes a battery cell, the battery cell includes an excess amount of cathode or anode that can function as half cells in an emergency. A user, such as a pilot, can command a controller to utilize unrecoverable energy based on battery data presented to the user.
Resumen de: EP4611086A1
An electrode for a rechargeable battery is provided. The electrode includes a substrate having an electrode uncoated region and an electrode active region. An electrode tab is attached to the electrode uncoated region, and an active material layer is formed on the electrode active region. A tape is disposed between the electrode uncoated region and the electrode tab.
Resumen de: EP4611076A1
The present disclosure relates to a composition for forming an electrode protective layer for a lithium secondary battery, which not only suppresses heat generation or ignition caused by external impacts, etc., and thus has excellent stability, but also makes it possible to provide electrodes and batteries having excellent conductivity and rate characteristics, and to an electrode for a lithium secondary battery and a lithium secondary battery comprising the same.
Resumen de: EP4611166A1
The present invention relates to a pouch cell in which a gas inside a pouch is discharged to the outside of the pouch to delay or prevent an occurrence of a venting phenomenon of the pouch by the internal gas occurring in a charging or discharging process of the pouch cell.The pouch cell includes an electrode assembly, a pouch configured to accommodate the electrode assembly, an electrode lead electrically connected to the electrode assembly to protrude to the outside of the pouch, a pair of lead films including a central portion, which covers a portion of the electrode lead on each of both surfaces of the electrode lead, and an outer portion disposed on each of both sides of the central portion so that the pouch and the electrode lead are insulated from each other, and a passage member disposed between the pair of lead films and attached to the outer portion, wherein, when a pressure inside the pouch increases above a set pressure, a gas moving path is provided between the passage member and each of the lead films.
Resumen de: EP4611127A1
A battery pack may include a plurality of battery cells stacked in a first direction in a vertical coordinate system defined by the first direction, a second direction, and a third direction that are perpendicular to one another, and a pack case configured to accommodate the plurality of battery cells at an inner space therein. Additionally, the pack case may include an upper case and a lower case. Further, the lower case may include the inner space for accommodating the plurality of battery cells, and in which the upper case may include a first heat sink extending in the first direction.
Resumen de: US2024145697A1
A multi-layer cathode coating for positive electrode of a rechargeable electrochemical cell (or secondary cell) (such as a lithium-ion secondary battery) and a secondary battery including a cathode having a multi-layer cathode coating. Multi-layer cathode coatings containing blends of one or more cathode active materials in certain weight ratios thereof.
Resumen de: EP4611066A1
To provide a means capable of reducing direct current resistance in a secondary battery of lithium-deposit type having a negative electrode intermediate layer including metal particles. A secondary battery comprising: a power generation element having a positive electrode having a positive electrode active material layer containing a positive electrode active material capable of storing and releasing lithium ions disposed on a surface of a positive electrode current collector, a negative electrode having a negative electrode current collector and lithium metal deposited on the negative electrode current collector during charging, a solid electrolyte layer intervening between the positive electrode and the negative electrode and containing a solid electrolyte, and a negative electrode intermediate layer intervening between the negative electrode current collector and the solid electrolyte layer and containing metal particles made of at least one metal material; wherein a molar percentage of oxygen present on the surface of the metal particles, as determined by X-ray photoelectron spectroscopy, is more than 2 mol% and less than 88 mol% with respect to 100 mol% of total atoms, is provided.
Resumen de: EP4611074A1
Disclosed in the present invention are a three-dimensional netted structure composite material for lithium batteries, and a preparation method and the use thereof.The three-dimensional netted structure composite material comprises:a porous carbon microsphere containing netted structure through holes, silicon nanowires distributed in the through holes of the porous carbon microsphere, and a carbon shell. The silicon nanowires are formed by catalyzing, by means of Au or Ag,a silicon-containing gas and depositing same in the through holes; or the silicon nanowires are formed by depositing a silane gas in the through holes to form silicon oxide nanoparticles, then electrolyzing the silicon oxide nanoparticles in the through holes undder a molten salt system. The silicon nanowires form three- dimensional netted structures in through holes of the porous carbon microsphere. Applying the three- dimensional netted structure composite material as a negative electrode active material in a lithium battery can endow the lithium battery with a relatively low volume expansion rate, a relatively high mass specific capacity, and good conductive performance and cycling stability.
Resumen de: AU2023370540A1
Disclosed herein is a method for producing carbon-silicon composites. The method comprises providing a reaction mixture comprising a carbon-silica-based precursor and an aluminium reductant; heating the reaction mixture in the presence of solid or gaseous aluminium chloride, or a mixture thereof, to a temperature at which reactions that result in the silica being reduced are initiated; controlling reaction conditions whereby the reaction mixture is prevented from reaching a temperature at which thermal runaway can occur; and isolating the produced carbon- silicon composites.
Resumen de: CN120152927A
The invention relates to a device (5) for transporting and optionally stacking planar electrode elements (1), which is designed to transport the planar electrode elements individually in succession along a transport path (10). The apparatus has a distance increasing device (12) which is arranged along the transport path of the planar electrode elements, for example upstream of the stacking device (17), and is designed to increase the distance (a) between the planar electrode elements, in particular to a processing distance (A), by accelerating the planar electrode elements in order to handle individual planar electrode elements.
Resumen de: CN120152927A
The invention relates to a device (5) for transporting and optionally stacking planar electrode elements (1), which is designed to transport the planar electrode elements individually in succession along a transport path (10). The apparatus has a distance increasing device (12) which is arranged along the transport path of the planar electrode elements, for example upstream of the stacking device (17), and is designed to increase the distance (a) between the planar electrode elements, in particular to a processing distance (A), by accelerating the planar electrode elements in order to handle individual planar electrode elements.
Resumen de: US2025256984A1
A positive electrode active material for lithium-ion rechargeable batteries comprises particles having Li, M′, and oxygen. M′ comprises Ni in a content x, wherein x≥80 at %, relative to M′; Co in a content y, wherein 0.01≤y≤20.0 at %, relative to M′; Mn in a content z, wherein 0≤z≤20.0 at %, relative to M′; Y in a content b, wherein 0.01≤b≤2.0 at %, relative to M′; Zr in a content c, wherein 0.01≤c≤2.0 at %, relative to M′; D in a content a, wherein 0≤ a≤5.0 at %, relative to M′. D is selected from B, Ba, Ca, Cr, Fe, Mg, Mo, Nb, S, Si, Sr, Ti, V, W, and Zn. The material comprises secondary particles, wherein each of the secondary particles consists of at least two primary particles and at most twenty primary particles.
Resumen de: EP4611089A1
An object of the present invention is to provide an all-solid-state battery of lithium-deposition type which is excellent in resistance during charging, cycle characteristics, and short-circuiting rate during charging.The present invention provides an all-solid-state battery containing a power generating element containing: a positive electrode including a positive electrode active material layer containing a positive electrode active material; a negative electrode including a negative electrode current collector in which lithium metal is deposited on the negative electrode current collector during charging; a solid electrolyte layer that is interposed between the positive electrode and the negative electrode and contains a solid electrolyte; and a negative electrode intermediate layer which is present adjacent to a surface of the solid electrolyte layer on the negative electrode current collector side and contains at least one selected from the group consisting of a metal material that can be alloyed with lithium and a carbon material that can absorb lithium ions; and a binder; wherein a porosity of the negative electrode intermediate layer is 10 % or more and 70 % or less.
Resumen de: CN120129661A
The present invention relates to a positive electrode active material for a lithium ion rechargeable battery, where the positive electrode active material comprises Li and transition metals such as Ni, optionally Co, optionally Mn and Nb, where the positive electrode active material is coated with B, and where the specific surface area of the positive electrode active material is higher than or equal to 0.50 m2/g and lower than or equal to 1.50 m2/g.
Resumen de: WO2024089266A1
The invention relates to a method and a device for recycling lithium-ion accumulators comprising one or more cells (13), wherein the cells (13) each contain electrode stacks (15) with strip-like electrodes (16, 19), and the strip-like electrodes (16, 19) each comprise an electrically conductive carrier strip (18, 21) coated with an active material (17, 20).
Resumen de: MX2025004876A
The invention relates to a method for recycling alkali metal batteries (12), in particular Li batteries or Na batteries, which have an active material, a carrier foil on which the active material is arranged, binder by means of which the active material is bound to the carrier foil, a liquid electrolyte, conducting salt (38) and a housing that encloses the active material, carrier foil and binder, with the step of comminuting the alkali metal batteries (12) such that the comminuted material, the black matter (30), which contains the active material and the binder, is produced, with the steps of washing the comminuted material with a washing solvent (36) such that conducting salt (38) is washed out and the binder is not washed out such that low- conducting-salt comminuted material and a washing liquid (40) are obtained, regenerating the washing solvent (36) from the washing liquid (40), and in particular by distilling, and washing the comminuted material with at least some of the regenerated washing solvent (36). The invention also relates to a battery preparation system for recycling alkali metal batteries (12), in particular Li batteries or Na batteries.
Resumen de: CN120202392A
A thermal control device has a thermal control device base, a connection block attached to the thermal control device, and a conduit for a heat exchange fluid attached to the connection block. The conduit has a conduit extension axis and a conduit sidewall. The connection block includes a connection block receiving section that receives a portion of the conduit sidewall. The connection block is configured to facilitate heat exchange between the conduit sidewall and the thermal control device.
Resumen de: MX2025004615A
The present invention relates to a separator (1) able to separate two cells (2) of a battery (3), for example a battery of an electric or hybrid-electric vehicle, said separator (1) comprising at least one insulating layer comprising a composite material (4), said composite material (4) comprising a binder mixed with aerogel particles (5), the volume content of said aerogel particles (5) in said composite material (4) being greater than 20% and the binder being a mineral binder. The present invention also relates to a battery comprising a separator according to the invention, and to a method for manufacturing the separator according to the invention.
Resumen de: WO2024089193A1
The invention relates to a method (100) for synthesizing at least one crystalline layer of manganese oxides that can contain zinc, of formula ZnxMnyOz, where x is greater than or equal to 0, y is greater than 0, and z is greater than 0, the method being implemented in a chamber of a low-pressure plasma reactor, kept between 10 Pa and 105 Pa, the method comprising forming a plasma discharge (110) from a plasma-generating gas; adding (120), in the form of a nebulizate, a predetermined amount of a manganese precursor; adding (130) a reactive gas so as to create oxygen vacancy defects in the layer of manganese oxides, and/or so as to maintain a controlled redox environment; synthesizing and depositing (140), on a substrate, the at least one crystalline layer of manganese oxides that can contain zinc, these operations being carried out at a substrate temperature of 400°C or less, advantageously 200°C or less.
Resumen de: WO2024089573A1
Described is an apparatus (1) for manufacturing slabs (2) from powdery raw material. The powdery raw material is cathode active material for rechargeable batteries. The apparatus (1) comprises: a lower die (3), defining a moulding cavity (4); an upper die (6) provided with an upper punch (601). The upper die (6) and the lower die (3) are movable relative to one another along a vertical direction (V) between an open position and a pressing position. The upper die (6) and the lower die (3) are also displaceable to a pre-pressing position where the moulding cavity (4) is closed by the upper punch (601) but is in air communication with a surrounding air volume. The apparatus (1) also comprises a vacuum system for sucking air from the moulding cavity (4) when in the pre-pressing position and to keep a negative pressure inside the moulding cavity when in the pressing position.
Nº publicación: EP4609444A1 03/09/2025
Solicitante:
KARLSRUHER INST TECHNOLOGIE [DE]
Karlsruher Institut f\u00FCr Technologie
Resumen de: CN120092326A
The invention relates to a method (110) for producing a cathode (112), to a cathode (112) produced by such a method and to a battery comprising such a cathode (112). The method (110) comprises the steps of: a) supplying a current collector (114) wherein at least a surface (116) of the current collector has an electrically conductive material (118); b) coating a surface (116) of the current collector (114) with a carbon-containing layer (120), and c) applying a cathode active material (124) to the carbon-containing layer (120), the carbon-containing layer (120) comprising more than 60 wt% and less than 80 wt% of carbon and at least one polymer as binder, and at least step b) being carried out at a temperature of at least 30 DEG C to at most 70 DEG C.
BOPI
Sede Electrónica
