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1944
resultados
Última actualización
04/07/2025 [07:03:00]
Resultados 675 a 700 de 1944
Resumen de: US2025210665A1
An electrode material, electrode, battery and method for forming the electrode material are provided. The electrode material includes an active particle and a cladding layer partially or completely covering the surface of the active particle. The cladding layer includes 5 to 70 parts by weight of a conductive additive and 30 to 95 parts by weight of a first polymer, wherein the total weight of the first polymer and the conductive additive is 100 parts by weight. The first polymer is a product of a compound having two acrylate groups and an ethylene-vinyl acetate copolymer via a polymerization. The compound having two acrylate groups has the structure as represented by Formula (I)wherein A1, R1 and R2 are disclosed in the specification.
Resumen de: US2025210786A1
The disclosure relates to the field of batteries and specifically provides a battery pack including a box body, a cell stack, an adhesive blocking portion, and at least two adhesive structures. The box body has an installation space. The cell stack includes a plurality of soft-pack cells and is arranged in the installation space. The adhesive structures are arranged in the installation space and directly connected between the cell stack and the box body. The adhesive blocking portion is arranged between the at least two adhesive structures to isolate the at least two adhesive structures. In the battery pack, the adhesive structures may be used to provide more comprehensive support for the cell stack, and mutual interference between different adhesive structures may be prevented.
Resumen de: WO2025129562A1
The present application relates to the field of positive electrode material preparation, and provides an iron phosphate material, a preparation method therefor and a use thereof. According to the preparation method, modified nanocellulose having double bonds and carboxyl groups is used to form an iron phosphate seed. On the one hand, the modified nanocellulose is interspersed in iron phosphate of the seed, so that dispersion occurs in the interior of the seed, thereby reducing the grinding difficulty and improving the grinding efficiency, and thus facilitating obtaining small-particle-size iron phosphate. On the other hand, the modified nanocellulose undergoes cross-linking and forms a three-dimensional mesh coating on the surface of the seed, so that the seed has a high specific surface area and a large number of active groups to attract iron ions. Therefore, by using the obtained seed to further grow the iron phosphate material, the reaction can be greatly accelerated, thereby increasing the yield of the iron phosphate material.
Resumen de: WO2025129430A1
A halogen positive electrode, a preparation method and a zinc-halogen battery. The preparation method comprises: dispersing cationic cellulose nanofibers in an organic solvent to form a dispersion; mixing and stirring the dispersion, activated carbon, ketjen black and a binder to obtain a mixed coating liquid; coating the mixed coating liquid on a current collector and drying same to form a host material; and depositing a halogen active substance on the host material to obtain a halogen positive electrode. By introducing the cationic cellulose nanofibers, the loading capacity of the halogen active substance can be effectively improved, the halogen active substance can be stably fixed on the positive electrode side, and the shuttle of the positive electrode active substance can be inhibited, thereby improving the energy density of the zinc-based halogen battery in terms of the full battery and the cycle stability at high temperatures.
Resumen de: WO2025129503A1
The present disclosure relates to the technical field of lithium-ion battery positive electrode materials. Disclosed are a preparation method for nano lithium iron phosphate and an application thereof. The method comprises: dispersing iron phosphate in an alcohol solvent, and performing ultrasonic treatment to obtain a suspension A; performing laser treatment on the suspension A, stirring the suspension A during the laser treatment, adding a lithium source and a carbon source into the suspension A having undergone laser treatment, and mixing same to obtain a suspension B; and performing spray drying on the suspension B to obtain dried powder, and sintering the dried powder in an inert atmosphere to obtain nano lithium iron phosphate.
Resumen de: WO2025129347A1
An energy storage system is disclosed that includes a battery pack; an energy input connected to the battery pack for receiving energy from an energy source unit; an energy output connected to the battery pack for powering an energy consumption unit; at least one heater in thermal communication with the battery and the energy source unit, the heater adapted to heat the battery by: obtaining heat, from the energy source unit; and upon failure to obtain energy from the energy source unit, from the battery back; a temperature sensor for reading the temperature of the battery; and a controller in communication with the heater and the temperature sensor. A thermally conductive and moisture resistant encapsulant, encapsulates the battery pack.
Resumen de: US2025210717A1
Described are an electrolyte for a lithium metal battery, and a lithium metal battery including the same, the electrolyte containing a first lithium salt containing a fluorosulfonyl group, a second lithium salt containing a trifluoromethanesulfonyl group, and a solvent containing a fluorosulfonyl group, wherein a molar ratio of the first lithium salt to the second lithium salt is 0.65:0.35 to 0.75:0.25.
Resumen de: US2025210711A1
An additive for a secondary battery and a lithium metal battery including the same are provided. The additive comprises an ionic liquid compound that includes a cation and an anion and is in a liquid state at an atmospheric pressure and at a temperature of 100° C. or less. The cation has a standard reduction potential lower than that of lithium cation (Li+) based on a standard hydrogen electrode (SHE) and has a structure in which an even number of aliphatic hydrocarbon groups having 3 or more carbon atoms identical to each other are bonded to a central element of the cation such that the cation has a symmetrical structure based on the central element. The additive is capable of suppressing dendritic lithium growth and induce uniform lithium growth on lithium metal thin films, thereby improving performance and life of the lithium metal battery.
Resumen de: US2025210710A1
Electrolytes and rechargeable lithium batteries including the same are disclosed. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive. The additive includes Compound 1 represented by Chemical Formula 1 and Compound 2 represented by Chemical Formula 2.
Resumen de: US2025210713A1
The electrolyte additive for a lithium-ion battery has a minimum electrostatic potential (ESP) of −151 KJ mol-1 to −100 kJ mol-1.
Resumen de: US2025210651A1
A lithium secondary battery may include an electrode assembly including a positive electrode, an electrolyte, and a battery case including an internal space for accommodating the electrode assembly and the electrolyte. The positive electrode includes a positive electrode active material, and the positive electrode active material includes a lithium nickel-based oxide containing 50 mol % to 70 mol % of nickel among all metals excluding lithium. An electrolyte filling factor (EFF) index defined by Equation 1 is 1.52 to 1.88.EFF=RE×SUNCEquation1In Equation 1, RE is a mass of residual electrolyte contained in the lithium secondary battery after activation, SU is a ratio (SE/SC) of the volume (SE) of the electrode assembly and the volume (SC) of the lithium secondary battery, and NC is a capacity when the lithium secondary battery is discharged from 4.4 V to 3.0 V at 0.33 C at 25° C.
Resumen de: US2025210701A1
Provided is a composite solid electrolyte layer having excellent power performance and long-term cycle stability. An embodiment of the present invention provides a composite solid electrolyte layer including a solid electrolyte layer containing a solid electrolyte, an electron blocking layer disposed on at least one surface of the solid electrolyte layer, and a lithiophilic layer disposed on the electron blocking layer.
Resumen de: US2025210983A1
A control apparatus decides an upper limit of a magnitude of output power of a power apparatus configured such that electric storage apparatuses, which are attachable and detachable, are able to be connected in parallel, based on a maximum power supply value that is a maximum value of power which each of one or more first electric storage apparatuses, which are the electric storage apparatuses electrically connected to a power terminal of the power apparatus, is able to supply to the power apparatus, and/or decides an upper limit of a magnitude of input power of the power apparatus, based on a maximum power reception value that is a maximum value of power with which each of the one or more first electric storage apparatuses is able to be supplied from the power apparatus.
Resumen de: US2025210824A1
A secondary battery pack includes: a plurality of cell arrays, each including a plurality of unit cells located in series along a first direction; and a frame to include the cell arrays. Each of the unit cells includes: a first surface having a long side extending in the first direction; a second surface opposite to the first surface and having a long side extending in the first direction; a third surface perpendicular to the first surface and in contact with the long side of the first surface and the long side of the second surface; a fourth surface opposite to the third surface; a first side surface in contact with short sides of the first to fourth surfaces; a second side surface opposite to the first side surface; a first electrode terminal on the first side surface; and a second electrode terminal on the second side surface.
Resumen de: US2025210818A1
Provided are a battery module (100), a battery pack, and a vehicle. The battery module (100) includes battery cells (1), a busbar (2), a busbar support (3), and a protection cover (4). The busbar (2) is configured to electrically connect two battery cells (1) and limit a position of the busbar support (3) at the battery cells (1). The busbar support (3) has a first mounting portion (31) and a second mounting portion (32). The protection cover (4) is located at a side of the busbar support (3) away from the plurality of battery cells (1). The protection cover (4) has a third mounting portion (41) and a fourth mounting portion (42). The protection cover (4) is fixed to the busbar support (3) by engaging the first mounting portion (31) and the second mounting portion (32) with the third mounting portion (41) and the fourth mounting portion (42), respectively.
Resumen de: US2025210830A1
A battery cell and a battery module are disclosed. A battery cell includes an electrode assembly, a case receiving the electrode assembly, a cap plate coupled to an opening of the case, a terminal arranged to the cap plate and electrically connected to the electrode assembly, and an insulating member between the electrode assembly and the terminal.
Resumen de: US2025210820A1
Disclosed is a battery pack, including a casing, one or more battery cell stacks, and an electrode fixing component. The battery cell stack is formed by stacking a plurality of pouch battery cells along the thickness direction of the pouch battery cells. The electrode fixing component includes bus bars and a bus bar bracket supporting the bus bars. The bus bar bracket is cooperatively connected with a fixing structure on the casing, and the bus bars are cooperatively connected with an electrode of the battery cell stack.
Resumen de: US2025210656A1
The present disclosure provides an electrode active material comprising hard carbon and capable of improving capacity at low potential and a manufacturing method therefor, an electrode mixture comprising such an electrode active material, and a battery comprising such an electrode mixture. The hard carbon comprised in the electrode active material of the present disclosure has a G′-band, a G-band, and a D-band in a Raman spectrum. The ratio IG′/IG of intensity IG, of the G′-band to intensity IG of the G-band is 0.05 or more. The half-width HwD of D-band is 50 or more and 160 or less. The method for manufacturing the electrode active material of the present disclosure comprises the following steps: providing a raw material comprising carbon, and firing to carbonize the raw material under an inert atmosphere comprising more than 0% and less than 1.0% of air.
Resumen de: US2025210777A1
Disclosed is a battery for an electric or hybrid vehicle, comprising:a casing defining a housing that extends in a longitudinal direction and a transverse direction, the housing having a first lateral edge,a plurality of transverse cross-members,a plurality of assemblies comprising electrochemical cells, the cross-members and the assemblies being arranged successively in the longitudinal direction in the housing,a plurality of corner members for transmitting transverse forces between the cross-members and the housing, at least some of the corner members having a first portion that extends perpendicular to the transverse direction and is attached to a transverse end of at least some of the cross-members, and a second portion that extends transversely from the first portion and is attached to the first lateral edge; the assemblies, the first portion, and the first lateral edge at least partially define a longitudinally extending housing.
Resumen de: US2025210776A1
A battery pack is disclosed configured to provide electricity to an electric propulsion motor of a vehicle. The battery pack comprises at least two layers of battery cells arranged inside a casing, and a battery junction compartment arranged outside of the casing. The battery junction compartment comprises a number of electrical connection arrangements electrically connecting battery cells of the at least two layers of battery cells. The present disclosure further relates to a vehicle comprising an electric propulsion motor and a battery pack configured to provide electricity to the electric propulsion motor.
Resumen de: US2025210778A1
Disclosed is a battery, for an electric or hybrid vehicle, comprising:a casing defining a housing that extends in a longitudinal direction and a transverse direction,a plurality of cross-members attached to the casing and extending in the transverse direction between a first lateral edge and a second lateral edge of the casing, anda plurality of assemblies comprising electrochemical cells that extend successively in the transverse direction and are secured to one another,the cross-members and the assemblies being arranged successively against one other in the longitudinal direction in the housing so that there is no mechanical clearance between the cross-members and the assemblies, the assemblies and/or cross-members being attached to the casing.
Resumen de: WO2025129275A1
A solar battery system, method and interface module is provided. The system comprises: a vehicle battery assembly that has been removed from an electric vehicle; a solar inverter, coupled to one or more solar panels, and configured to power one or more electrical items; and a battery interface module, intermediate the control interface of the solar inverter and the battery management system of the vehicle battery assembly. The vehicle battery assembly including a plurality of cells and a battery management system. The solar inverter includes a DC battery output, coupled to the cells of the vehicle battery assembly, and a control interface, configured to send and receive control messages. The battery interface module is configured to receive messages from the control interface of the solar inverter in a first format, and send messages to the battery management system of the vehicle battery assembly in a second format and according to the received messages from the control interface of the solar inverter.
Resumen de: WO2025129405A1
An electrolyte for electrochemical repair of a lithium battery and a preparation method therefor, an electrochemical repair and regeneration method, and a recycling method, relating to the technical field of resource recycling and regeneration. Raw materials of the electrolyte for electrochemical repair of the lithium battery comprise: a lithium salt, an aromatic agent, a stabilizing additive and a solvent, the final concentration of the lithium salt in the electrolyte is 0.1-15 g/L, the final concentration of the stabilizing additive is 0.1-5 g/L, and a mass ratio of the lithium salt to the aromatic agent is (1-5):(1-5). The electrolyte can improve the effect of repair and regeneration. When the electrolyte is used for electrochemical repair, a decommissioned battery does not need to be destroyed, no additional impurities are introduced, and indexes of an electrode sheet, such as the powder resistance and compaction density would not deteriorate. An electrochemical reaction has high current efficiency.
Resumen de: WO2025129242A1
An energy storage system (10) having cells (11) arranged in series and a battery management system for monitoring voltages of the cells (11). Connection lines extend from a battery management controller to cell junctions. A voltage generator generates a first voltage on the first connection line and a second voltage on the second connection line and a control circuit is provided between each of the first and second connection lines and each of the junctions to which the connection line is connected. When the first and second voltages are generated, the control circuits will connect between the first connection line and a first cell junction where the voltage at said first cell junction is within a range of the first voltage and will connect between the second connection line and a second cell junction where the voltage at said second cell junction is within a range of the second voltage.
Nº publicación: WO2025129258A1 26/06/2025
Solicitante:
MONASH UNIV [AU]
MONASH UNIVERSITY
Resumen de: WO2025129258A1
Sulfur cathodes which include binding polymers, such as polyvinylpyrrolidone, which are capable of binding, or are bonded to, one or more of metal ions having a valency of two or more, halides, and polyhalogen anions are described. Electrochemical storage devices including the sulfur cathodes exhibit high C-rates over long cycle life.
BOPI
Sede Electrónica
