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1603
resultados
Última actualización
09/05/2025 [07:17:00]
Resultados 50 a 75 de 1603
Resumen de: EP4550457A1
A negative electrode material for secondary batteries includes a silicon-containing material including composite particles containing silicon, and a conductive layer disposed on surfaces of the composite particles. The composite particles each include an ion-conducting phase, and silicon phases dispersed in the ion-conducting phase. The conductive layer contains a sulfur component, and has a content N<sub>1</sub> of sulfur element in the conductive layer of 50 mass% or less.
Resumen de: EP4550550A1
This battery pack includes: one or more secondary battery cells each including electrodes that are positive and negative; a terminal that is made of metal and is electrically connected to the electrodes of the one or more secondary battery cells; a terminal holder integrated with the terminal; and an outer covering case that stores the one or more secondary battery cells and includes a holder storage space that stores the terminal holder. The outer covering case is a part of the holder storage space and includes a recess at a position opposite the terminal.
Resumen de: EP4550562A1
A battery pack includes a plurality of secondary battery cells arranged in parallel to each other in a longitudinal direction, each of the plurality of secondary battery cells including end surface electrodes each on both ends, at least one of the end surface electrodes being a first electrode including a safety valve, a battery holder for holding the plurality of secondary battery cells, a lead plate with conductivity for connecting the end surface electrodes of the secondary battery cells adjacent to each other, and an insulating plate with insulation property for covering a surface of the lead plate. The lead plate includes a lead opening window between the first electrodes of the adjacent secondary battery cells, and the insulating plate includes an insulation opening window in a position corresponding to the lead opening window.
Resumen de: EP4549379A1
The present disclosure provides a carbon-encapsulated lithium manganese iron phosphate material having a composition of: LiFe1-x-yMnxMyPO4@C, where M includes at least one of Mg, V, Zr, Nb, In, Al, Co and Ni, 0.5 ≤ x ≤ 0.8, 0 < y ≤ 0.02, and C is encapsulated carbon. The material has a secondary gradation structure with tightly bound material gradation, high compaction density, and excellent electrochemical performance. The present disclosure further provides a method for preparing a carbon-encapsulated lithium manganese iron phosphate material, which has a simple process flow and is suitable for application in large-scale industrial production. The present disclosure further provides a lithium ion battery in which the carbon-encapsulated lithium manganese iron phosphate material is applied.
Resumen de: EP4550448A1
The present application provides a negative electrode plate, comprising: a current collector; a first active material layer arranged on at least one surface of the current collector; and a second active material layer arranged on a surface of the first active material layer away from the current collector; wherein the first active material layer comprises a first active material, the second active material layer comprises a second active material, and the second active material has a lithiation potential and a delithiation potential higher than those of the first active material. The negative electrode plate according to the present application is capable of improving the safety and cycling performance of the secondary battery.
Resumen de: EP4549865A1
In an embodiment a heat exchanger (40) includes a base body (415), cooling fins (440) protruding from a first side of the base body (415), first channels (430) integrated in the base body (415) and connected to a first connector and a second connector, the first channels (430) configured to guide a first coolant and second channels (470) integrated in the base body (415) and connected to a first connector and a second connector, the second channels (470) configured to guide a second coolant, wherein the first channels (430) are separate from the second channels (470) and wherein the heat exchanger (40) is capable of being integrated in an outside surface of a vehicle.
Resumen de: US2024037211A1
Systems, devices, and methods related to wireless battery management system (wBMS) are provided. For example, a wBMS network manager comprises a memory to store a list of hardware identifiers (IDs), wherein each hardware ID in the list is associated with a respective one of a plurality of battery modules; and mapped, based on a predetermined mapping, to a different one of a plurality of source IDs; an interface to receive, from a remote battery module, a packet including a source ID and a hardware ID associated with the remote battery module; and one or more processing units to search, using the source ID in the received packet and the predetermined mapping, for a first hardware ID from the list of hardware IDs; and authenticating the remote battery module based on a comparison of the hardware ID in the received packet to the first hardware ID from the list.
Resumen de: US2025118749A1
A method for the production of a composite anode material, the method comprising the method steps of:(i) Subjecting a graphitic material to a coating step in which the graphitic material is coated with a carbon matrix;(ii) Passing the product of step (i) to a shaping step to produce shaped composites; and(iii) Thermal treatment of the composites of step (ii), thereby producing a composite anode material comprising a plurality of graphitic particles held within the carbon matrix and about which is provided an amorphous carbon shell.The composite anode material is also described.
Resumen de: WO2024002519A1
A 12 V lead acid battery (100) with VRLA AGM technology, according to the 6x1 configuration and with front terminal connections, provides a monobloc consisting of - a container (10), with support base and retaining sides, of the known type - plate groups (12) - compression baskets (14) of the plate groups (12) - inter-plate connections or CoS (16) - relief valves (18) - inter-cell connections (20) - a lid (22) closing the container (10), also of the known type; said monobloc have an internal layout configured to house the plate groups (12) in a horizontal position, parallel to the lid (22).
Resumen de: WO2024002518A1
A basket (10) contains and keeps in compression a plate group (100), that is, the set of positive and negative electrodes with interposed the relevant inter-electrode separators; said basket is made of plastic material, chemically resistant to the electrolytic environment of the battery and thermally resistant to the temperatures to which a battery is subjected, to be housed inside the monobloc of 12V lead acid batteries with VRLA AGM technology.
Resumen de: US2025118835A1
A battery cell housing has a battery cell housing jacket with at least in areas a rectangular cross section and which can be manufactured very easily and at the same time allows the use of a wide range of aluminium alloys in order to be able to respond flexibly to various requirements of the battery cell housing. Increased strength requirements or thermal conductivity requirements are achieved in that the battery cell housing has a roll-formed tubular body made of an aluminium alloy as the battery cell housing jacket. The battery cell housing jacket is joined in the longitudinal direction and has at least in areas a rectangular cross section. The battery cell housing jacket is preferably being roll-formed from an aluminium alloy strip.
Resumen de: SE2250822A1
An electrode binder, wherein the binder comprises a chitosan-grafted polyaniline copolymer; and a polymer selected from any one of a styrene-butadiene rubber and carboxymethylcellulose, or a combination of these; as well as an electrode comprising such binder; a secondary cell comprising comprising such binder; and a vehicle comprising such secondary cell.
Resumen de: WO2024002897A1
The present invention relates to a method for producing bis(fluorosulfonyl)imide acid, which is economically feasible at industrial scale and which provides a high-purity product.
Resumen de: CN119452505A
A battery cell, battery module, battery pack or wrapped inverter has a housing with a refractory body. The refractory body includes a thermoplastic substrate optionally free of a flame retardant and having an inner surface and an opposing outer surface, and a nickel layer having a thickness of 10 to 60 microns electroplated on at least a portion of the inner surface or both of the inner and outer surfaces of the thermoplastic substrate. The thermoplastic substrate has an electroplatable layer formed from an electroplatable composition, the electroplatable composition contains acrylonitrile-butadiene-styrene, polycarbonate, polyetherimide, polysulfone, polyphenyl ether, polyarylether, polytetrafluoroethylene, diallyl phthalate, polyacetal, polyethersulfone, urea formaldehyde, phenolic plastic, a blend of acrylonitrile-butadiene-styrene and polyester, and an acid functionalized polyethylene copolymer or an ionomer thereof. At least one of an acid-functionalized polypropylene copolymer or ionomer thereof, or an acid-functionalized polyamide copolymer or ionomer thereof.
Resumen de: EP4550362A1
Disclosed is a conductive film including a porous polymer film, and pores of the porous polymer film are filled with conductive compositions, the conductive compositions including 1-10 parts by weight of a conductive agent and 0.1-1 part by weight of an additive. The conductive agent includes at least one of graphite, conductive carbon black, acetylene black, or a graphene carbon nanotube; and the additive includes at least one of a tin powder, a tin dioxide powder, a bismuth powder, a bismuth oxide powder, an indium powder, an indium oxide powder, a lead powder, a lead oxide powder, a cadmium powder, or a cadmium oxide powder. The zinc secondary battery is wrapped with a composite diaphragm around the outer perimeter of the electrical core, which solves a problem that an existing conductive tinned copper foil is unable to be welded with a battery diaphragm.
Resumen de: GB2635141A
Apparatus for aligning lugs 14, 15 on a stack 10 of battery plates 12, 13 in a jig box 20 comprising a frame 30 with an alignment mechanism. The frame comprises a set of feet 36, 38 engaging on opposite sides of the box, wherein the feet on one side comprise fixed surfaces 40 to engage contact surfaces 44 on a first side of the box, and the feet on the opposite side comprise actuators 46 with moveable surfaces 48 to engage contact surfaces 48 on a second side of the box. When the frame is in position, the actuators move the moveable surfaces to engage with the contact surfaces, and the alignment mechanism aligns the lugs when the fixed and moveable surfaces are engaged with the contact surfaces. The actuators may also draw the fixed feet into engagement with the contact surface on the first side of the box. The mechanism may also comprise actuators to urge the lugs into alignment. The feet may comprise stop surfaces which engage with the upper edges of the sides of the box to position the mechanism. A method using the apparatus.
Resumen de: GB2635137A
An electrode media 201 for a lead acid battery includes a fiber web 205 comprising 15-90 wt.% of microglass fibres having an average length of less than or equal to 0.5 mm, an average diameter of 0.1 to 15 microns, an average aspect ratio of less than or equal to 50. The fibre web further includes 0-90 wt.% staple fibres and 0-50 wt.% multicomponent fibres, each with respective average diameters of at least 1 micron. The electrode media may be pasted to produce an electrode. In a further electrode media a fibre web includes glass fibres and 2-20 wt.% multicomponent fibres and the multicomponent fibres are present at a first edge of the web and absent at a second edge. In a further electrode media a fibre web has 5% plasticity and a basis weight of 40 gsm and includes glass fibres and any of synthetic fibres, natural fibres or a second type of glass fibre. An electrode for use in a lead acid battery includes a fibre web including glass fibres and any of synthetic fibres, natural fibres or a second type or glass fibres wherein an electrically conductive lug 211 interpenetrates a boundary portion of the fibre web.
Resumen de: EP4550551A1
The present invention relates to a battery module provided with negative and positive terminals at the top. The battery cell included in the battery module has both negative and positive leads protruding from one side of the battery cell in the widthwise direction, and a battery cell laminate formed by stacking a plurality of the battery cells is connected to the terminal through a plate-shaped busbar frame provided above thereabove. Here, the end plate covering the front end and the rear of end the housing of the module is formed integrally with the top plate covering the top end or the U frame covering the bottom end and sides. As a result, the end plate of the battery module according to the present invention is prevented from falling off even in case of ignition such that flames do not spread to other battery modules located adjacent to the front and rear, and the lead and terminal are provided at the top to cause venting to direct upward.
Resumen de: US2024006609A1
The present technology discloses lithium metal polyanion (LMX) compounds. The battery cell including the LMX compounds as cathode may have a gravimetric capacity exceeding 170 mAh/g. The present technology utilizes machine learning to provide synthesis conditions and the stoichiometry of the LMX compounds to maximize the gravimetric energy density of a battery cell.
Resumen de: US2024006610A1
The present technology discloses lithium metal polyanion (LMX) cathode compounds which contain a mixture of SiO4 and PO4 anions. Compounds based on silicate SiO4 anions can exhibit significantly higher gravimetric capacities than conventional lithium iron phosphate (LFP) materials. The present technology offers electrochemical advantages of the LMX compounds over compounds fabricated with only SiO4 anions. Machine learning can be used to provide the synthesis conditions and the stoichiometry of LMX compounds to maximize the gravimetric energy density of a battery cell.
Resumen de: EP4550559A1
The present disclosure relates to a composite separator and a preparation method therefor, as well as a lithium-sulfur battery containing the composite separator. The composite separator comprises a polymer substrate film and a composite layer disposed on the surface of the polymer substrate film, wherein the composite layer comprises a molecular sieve and a conductive carbon material, wherein the molecular sieve contains cobalt and optionally lithium. As compared with the separators in the prior art, the composite separator in accordance with the present disclosure comprises a composite layer on the surface thereof, wherein the composite layer comprises a molecular sieve containing cobalt and optionally lithium, which can greatly improve the rate performance and cycle stability of lithium-sulfur batteries.
Resumen de: EP4550454A1
Method (100) for restoration performances of aged nickel-rich NMC cathode material for lithium-ion secondary battery, the method (100) including: forming (110) a cathode with the aged nickel-rich NMC cathode material and carbon black; and exposing (114) the cathode to diethyl phosphoramidate at an exposure temperature below 160°C so as to obtain a lithium phosphate protective layer on the cathode
Resumen de: EP4550517A1
The aqueous electrolyte secondary battery contains an element and an aqueous electrolyte solution. The element includes a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate. A chemical oxygen demand in the aqueous electrolyte solution is 5 mg/L or more and 160 mg/L or less.
Resumen de: EP4550450A1
The present application provides a silicon-carbon composite material and a preparation method thereof, a negative electrode plate, and a secondary battery. The silicon-carbon composite material includes a porous carbon matrix and silicon-based particles. The porous carbon matrix internally includes a plurality of pore channels with a width of 5 nm-50 nm. The silicon-based particles are distributed in the pore channels, and the porous carbon matrix meets: 1.0×10<-7>≤Vtotal/Stotal≤10.0×10<-7>, where Stotal is the total surface area occupied by the pore channels with the width of 5 nm-50 nm, and the measurement unit is: ×10<4> cm<2>/g; and Vtotal is the total pore volume occupied by the pore channels with the width of 5 nm-50 nm, and the measurement unit is: cm<3>/g. The silicon-carbon composite material has high electrical conductivity and structural stability. When being applied to a negative electrode of the secondary battery, the silicon-carbon composite material can effectively increase the volume capacity and energy density of the secondary battery, and makes the secondary battery have a good cycle life.
Nº publicación: EP4550477A1 07/05/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4550477A1
This application provides a lithium supplement slurry, a positive electrode slurry, a secondary battery, a secondary battery preparation method, and an electrical device. The lithium supplement slurry includes a lithium supplement additive and a phosphate ester compound. The lithium supplement slurry uses a phosphate ester compound as a solvent. The phosphate ester compound is stable at a normal temperature, and does not react with the lithium supplement additive. Therefore, in a positive electrode slurry that uses the phosphate ester compound for supplementing lithium, the phosphate ester compound does not make the positive electrode slurry prone to gel, but makes the slurry meet performance requirements on an industrial mass-produced slurry, and makes it easy to apply the slurry to form a coating layer. In addition, the phosphate ester compound is of low toxicity and high safety in production.
BOPI
Sede Electrónica
