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1110
resultados
Última actualización
01/09/2024 [07:42:00]
Resultados 200 a 225 de 1110
Resumen de: WO2024174167A1
Provided in the present application is a secondary battery, comprising a positive electrode sheet and an electrolyte, wherein the positive electrode sheet comprises a current collector and a positive electrode material layer arranged on at least one side of the current collector; the positive electrode material layer comprises a first lithium iron phosphate material and a second lithium iron phosphate material, the Dv50 of the second lithium iron phosphate material is greater than the Dv50 of the first lithium iron phosphate material, and the Dv50 of the first lithium iron phosphate material is 0.05 μm m to 6 μm; and the electrolyte comprises a solvent, and the solvent comprises a first solvent selected from at least one compound of formula I, where R1 and R2 are each independently selected from C1-C6 alkyl and C1-C6 haloalkyl. The secondary battery of the present application has balanced and good comprehensive properties.
Resumen de: WO2024174168A1
A secondary battery and an electrical apparatus. The secondary battery comprises an electrode assembly (1) and an electrolyte, the electrode assembly (1) comprising a positive electrode sheet (2), a negative electrode sheet (3) and a separator (4). The separator (4) comprises a substrate layer (41) and a first bonding layer (42), the substrate layer (41) comprising a third surface (411) and a fourth surface (412) opposite to each other, the third surface (411) being opposite to the negative electrode sheet (3), and the first bonding layer (42) being arranged on the third surface (411) and having a stripe structure. The portion of the separator (4) extending out of the negative electrode plate (3) is defined as a separator extension portion (5). The first bonding layer (42) is at least partially located at the separator extension portion (5). The peel strength between the separator (4) and a first negative electrode material layer (32) is a N/m, and the peel strength between the first negative electrode material layer (32) and a negative electrode current collector (31) is b N/m, wherein 6.0≤a≤15.0 and a < b. The present invention can improve ion transmission channels and electron transmission channels between the separator (4) and the electrode sheets synergistically, so that the risk of lithium deposition on the negative electrode sheet (3) of the secondary battery is reduced, and the risk of a dead lithium area occurring on the negative electrode sheet (3) is reduced, t
Resumen de: US2024290989A1
The present disclosure provides a multi-physics engineered multi-material electrode grid plate for improved performance of a battery having uniform current collection and transport. The grid comprises a plurality of vertical grid wires (102, 406), a plurality of horizontal grid wires (104, 404), a plurality of frame grid wires, wherein the vertical grid wires (102, 406) and the horizontal grid wires (104, 404) provided between the frame grid wires for current transport. An active material current collector (108, 408) is provided for current collection and an active material utilization enhancer (601) is configured in a lateral cross-section of the grid wires ((102, 406) (104, 404)) with maximum surface perimeter.
Resumen de: US2024291109A1
A separator for a nonaqueous electrolyte secondary battery according to the present invention includes a porous base material, a metal layer situated over either or both of opposite surfaces of the porous base material, and a metal oxide layer situated either over one of opposite surfaces of the metal layer or over both of the opposite surfaces of the metal layer, the one being a surface opposite to a surface of the metal layer on a side of the porous base material.
Resumen de: US2024291105A1
A copolyester film comprising a copolyester which comprises repeating units derived from a diol, a dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises a first metal ion-containing component selected from conductive ceramic particulate materials, and wherein the film may further comprise additional metal ions from one or more sources other than said conductive ceramic particulate material.
Resumen de: US2024291106A1
Disclosed herein is a separator for electrochemical devices, configured to guarantee electrical insulation between a positive electrode and a negative electrode, wherein the separator includes no polyolefin substrate, and includes inorganic particles, a binder for coupling between the inorganic particles, and a crosslinking agent.
Resumen de: US2024291298A1
A fully integrated circuit configuration that can be utilized to prevent abnormal overdischarge and overcharge in ultra-portable electronic systems is described. This battery protection integrated circuit can be enhanced by the addition of traditional battery protection schemes such as current limiting, overcurrent clamping, under voltage lock out and over voltage protection. This battery protection scheme utilizes a high side switch approach utilizing an ultra-low leakage PMOS power switch rather than the traditional low side NMOS switching.
Resumen de: US2024291293A1
The power consumption management circuit receives an activation signal, and controls at least one switch transistor to be turned on, so that the auxiliary source is powered on, and the auxiliary source supplies power to the main control chip. After the auxiliary source is powered on, the main control chip sends a maintenance signal to the power consumption management circuit, and the power consumption management circuit controls at least one switch transistor to be turned on, so that the auxiliary source continuously operates. When determining that an energy equalization requirement is completed or determining that a low power consumption mode needs to be entered, the main control chip sends a cut-off signal to the power consumption management circuit, and the power consumption management circuit controls at least one switch transistor to be turned off, so that the auxiliary source stops operating.
Resumen de: US2024291108A1
A multilayer body for a battery according to the present invention includes: a separator including a porous base material formed in a plate shape, and an inorganic material layer situated over either or both of opposite principal surfaces of the porous base material; and an organic support over which the separator is laminated.
Resumen de: WO2024174673A1
A lithium iron phosphate positive electrode material, a preparation method therefor and a use thereof. The preparation method comprises the following steps: (1) providing carbon nanosheets; (2) mixing the carbon nanosheets in step (1), an iron source, a phosphorus source and an oxidant, performing a reaction, and performing primary calcination to obtain a precursor; and (3) mixing the precursor in step (2) with a lithium source and a reducing agent, and performing secondary calcination to obtain the lithium iron phosphate positive electrode material.
Resumen de: WO2024174712A1
In order to overcome the technical problem of reduced battery safety and high-and-low temperature performance caused by poor thermal stability of lithium hexafluorophosphate, which serves as primary lithium salt in non-aqueous electrolytes of existing lithium ion batteries, a lithium ion battery is provided. The lithium ion battery comprises a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte. The negative electrode comprises a negative electrode current collector and a negative electrode active material layer arranged on the negative electrode current collector, the negative electrode current collector comprising a polymer material substrate layer and a metal layer formed on at least one surface of the polymer material substrate layer, the non-aqueous electrolyte comprising lithium salt, the lithium salt comprising lithium hexafluorophosphate and lithium bis(fluorosulfonyl)imide, and the lithium ion battery meeting the following conditions: equation, wherein 0.3≤S≤0.7, 0.3≤F≤0.7, 1.3≤C≤1.7, and 0.2≤d≤10. The described lithium ion battery can form a uniform and complete electrolyte interfacial film on a negative electrode interface, and buffer and mitigate the problem of negative electrode expansion under large currents, thus reducing lithium plating, and improving the safety and high-and-low temperature performance of batteries.
Resumen de: WO2024174837A1
A silicon-carbon battery cell for an electric tool, a battery pack, an energy storage device, an electric tool, and a battery pack charger. The silicon-carbon battery cell comprises: a positive electrode sheet (1311); a negative electrode sheet (1312), comprising a silicon material, a carbon material, and a binder; and an electrolyte (1314), provided between the negative electrode sheet (1312) and the positive electrode sheet (1311). The binder comprises polyacrylic acid and butadiene styrene rubber.
Resumen de: AU2024200826A1
ELECTRICAL APPLIANCE ASSEMBLY FOR MULTICLIENT NETWORKING, AND PERIPHERAL DEVICES The present invention provides an electrical appliance assembly for multiclient networking, comprising an electrical appliance and a battery unit, wherein the electrical appliance is configured to obtain electric energy from the battery unit or provide electric energy to the battery unit; the electrical appliance comprises a first communication interface and a second communication interface, wherein the first communication interface is configured to communicate with a peripheral device and the second communication interface is configured to communicate with a battery unit; the battery unit comprises a third communication interface and a fourth communication interface, wherein the third communication interface is configured to communicate with a peripheral device and the fourth communication interface is configured to communicate with an electrical appliance. With the present invention, a user, when operating an electrical appliance assembly wirelessly through peripheral devices, can establish wireless connections according to the conditions of the assembly or optionally, while, by using preset evaluation rules in the system, any conflicts that may occur when more than one peripheral device simultaneously reads data from and/or writes data to the electrical appliance assembly are avoided, which allows the entire multiclient networking system to operate more flexibly, reliably, and efficiently. 10
Resumen de: AU2023253669A1
A metal hydrogen battery is presented. The metal hydrogen batter includes an electrode stack, the electrode stack including alternating anode assemblies and cathode assemblies, the anode assemblies and cathode assemblies separated by a separator, each of the anode assemblies including at least one anode layer connected to an anode bus, each of the cathode assemblies including at least one cathode layer connected to a cathode bus, wherein each of the anode buses are electrically and mechanically attached to form an anode conductor, and wherein each of the cathode buses are electrically and mechanically attached to form a cathode conductor. The electrode stack is positioned in a pressure vessel, the pressure vessel including a side wall, a cathode end plate, and an anode end plate. Finally, an electrolyte is contained within the pressure vessel.
Resumen de: AU2023231098A1
A seal assembly for a battery cell comprises a cross-linked grommet having an opening. A current collector has a head and a stem extending from the head, the stem and the grommet forming an interference fit at the opening. The grommet comprises a cross-linked polymer. A method of manufacturing a battery cell with a cross-linked grommet comprises forming a grommet comprising a precursor polymer material, thereby forming a pre-formed grommet, exposing the pre-formed grommet comprising the precursor polymer material to a cross-linking treatment, thereby forming a cross-linked grommet, and incorporating the cross-linked grommet in a battery cell.
Resumen de: AU2024200733A1
The disclosure relates to a composite cathode frame assembly, a battery cell and an assembly method of the battery cell. The composite cathode frame assembly includes a frame, a cathode sheet and a separator sheet. An accommodating groove for embedding the cathode sheet is provided in the frame, both surfaces of the frame are matched with the separator sheet, and the separator sheet is attached to a surface of the frame and covers the cathode sheet and the frame. The battery cell includes the composite cathode frame assembly, a sleeve and an anode sheet. This disclosure has effect of reducing difficulty of manufacturing a battery cell on a premise of satisfying the battery cell overhang requirement. Fig. 1
Resumen de: US2024291110A1
A lithium secondary battery separator having excellent heat resistance, adhesive strength, and insulation performance is provided. A lithium secondary battery separator according to one aspect of the present disclosure includes a porous polymer substrate, a first coating layer on a first surface of the porous polymer substrate, a second coating layer on a second surface of the porous polymer substrate, a first aqueous binder layer on a surface of the first coating layer, and a second aqueous binder layer on a surface of the second coating layer. The first coating layer and the second coating layer each include inorganic particles and a coating layer binder, in which the inorganic particles include aluminum nitride (AlN). The first aqueous binder layer and the second aqueous binder layer include different types of particle-type binders. The particle-type binder includes at least one selected from fluorine-containing binders and acrylic-containing binders.
Resumen de: US2024291114A1
The present invention relates to a battery module assembly apparatus with improved productivity and an assembly method using the same, more particularly a battery module assembly apparatus including a transfer unit configured to move a battery module having a cylindrical battery cell received therein in a state of being seated in a module carrier, a vision unit configured to check position information of the battery module and the module carrier, and a bonding unit configured to electrically connect an electrode of the cylindrical battery cell received in the battery module to a busbar, wherein the bonding unit includes one or more bonding units, and the position information checked by the vision unit is transmitted to the bonding unit, and an assembly method using the same.
Resumen de: US2024291079A1
A power storage device includes: an electrode body; an exterior body including an exterior film sealing the electrode body; and a heat transfer body attached to at least a portion of the surface of the exterior body. The exterior film includes at least a base material layer, an exterior barrier layer, and a heat-fusible resin layer. The exterior barrier layer is constituted of a material containing a metal, the heat transfer body includes a heat transfer layer constituted of a material containing a metal, and the thickness of the heat transfer layer is equal to or greater than the thickness of the exterior barrier layer.
Resumen de: US2024291104A1
A separator for an electrode assembly of a battery includes a non-woven fabric base formed by mixing a first fiber with an average diameter of approximately 10 μm or more and a second fiber with an average diameter of approximately 1 μm or less; and inorganic particles positioned in pores formed between the first and second fibers of the non-woven fabric base. The first fiber has a melting point of about 150° C. or less, and the inorganic particles have D50 of about 400 nm or less.
Resumen de: US2024291292A1
Multiplexing systems for batteries of electrochemical cells and associated methods are generally described. Multiplexing systems may be used to improve certain properties of electrochemical cells, such as cycle life and/or safety, during cycling of the battery, according to some embodiments. For example, in some embodiments improvements in electrochemical cell and/or battery performance are provided that are associated with management of charging and discharging of electrochemical cells by the multiplexing system.
Resumen de: WO2024174788A1
A thermal management system (100) and a vehicle (200). The thermal management system (100) is used in the vehicle (200). The thermal management system (100) comprises a compressor (10), a liquid air cooler (20), a coaxial tube (30), an internal air cooler (40), an external air cooler (50) and an evaporator (60), wherein the coaxial tube (30) is provided with a high-pressure inlet (31), a high-pressure outlet (32), a low-pressure inlet (33) and a low-pressure outlet (34), and the low-pressure outlet (34) is connected to an inlet of the compressor (10); an outlet of the compressor (10) is connected to a first interface (21) of the liquid air cooler (20); a second interface (22) of the liquid air cooler (20) is connected to both an inlet of the external air cooler (50) and an inlet of the internal air cooler (40); an outlet of the external air cooler (50) is connected to the high-pressure inlet (31); an outlet of the internal air cooler (40) is connected to both a first port of the evaporator (60) and the low-pressure inlet (33); and a second port of the evaporator (60) is connected to the high-pressure outlet (32). Thus, the thermal management system (100) is suitable for a carbon dioxide refrigerant system and is also suitable for r134a/r1234yf/mixed refrigerant and any other refrigerant systems. Moreover, by means of the liquid air cooler (20) and the coaxial tube (30), the efficiency of a refrigerant releasing heat to the outside is enhanced, and the problem of a carbon diox
Resumen de: WO2024174758A1
A composite positive electrode material, a positive electrode sheet and a preparation method therefor and a use thereof. The composite positive electrode material comprises: a lithium ferric manganese phosphate active material LiMnaFe1-aPO4, wherein 0<a<1; and a manganese-containing lithium supplementing agent, wherein the reaction activation energy of the manganese-containing lithium supplementing agent is lower than that of the active material. The initial Coulombic efficiency is 86% when no manganese-containing lithium supplementing agent is added, and after adding a large amount of the manganese-containing lithium supplementing agent into the composite positive electrode material, the initial Coulombic efficiency can be effectively increased to 93%, and the capacity per gram is increased at the same time, that is, the energy density of a battery cell comprising the composite positive electrode material is effectively increased. After a long period of cycling and storage, a capacity retention rate of the battery cell is also at a high level, and a specific high addition amount of the manganese-containing lithium supplementing agent is conducive to improving the electrochemical stability of the lithium ferric manganese phosphate active material.
Resumen de: WO2024174760A1
A positive electrode plate, an energy storage device, and a method for manufacturing a positive electrode plate. The positive electrode plate comprises a current collector, an electrically conductive layer, a plurality of functional layers and a plurality of protective layers, wherein the electrically conductive layer is stacked on a surface of the current collector; the plurality of functional layers and the plurality of protective layers are alternately stacked on the surface of the electrically conductive layer that faces away from the current collector; the innermost functional layer is in contact with the electrically conductive layer; the outermost layer of the positive electrode plate is a protective layer; the materials of each functional layer comprise LiMnxFe1-xPO4 and xLi2MnO3(1-x)LiMO2, where 0 < x < 1, and M represents Ni or Mn; and the material of each protective layer comprises LiNi0.5Mn0.3Co0.2O2.
Nº publicación: AU2024200790A1 29/08/2024
Solicitante:
TECHTRONIC CORDLESS GP
Techtronic Cordless GP
Resumen de: AU2024200790A1
BATTERY PACK, AND POSITIONING MEMBER FOR THERMISTOR The present invention relates to a battery pack, and a positioning member for a thermistor in the battery pack, wherein the battery pack comprises at least one battery unit and a support, the support having at least one battery unit accommodating part for accommodating the battery unit, wherein the support is provided with a first opening, the first opening is connected to at least one battery unit accommodating part, the first opening and the battery unit of a connected portion form a thermistor accommodating part, and a thermistor arranged close to the battery unit is accommodated in the thermistor accommodating part, and wherein a positioning member is further provided in the thermistor accommodating part, the positioning member being used to limit the thermistor in the battery unit accommodating part. Al
BOPI
Sede Electrónica
