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1133
resultados
Última actualización
04/09/2024 [08:11:00]
Resultados 950 a 975 de 1133
Resumen de: WO2024169003A1
A lithium battery recovery device. The lithium battery recovery device comprises a frame, a loading device (1), a double roll crusher (2), a lithium battery pulverizer (3), a dust separator (4), a first cyclone dust collector (6), a gravitational sorting machine (5), and a second cyclone dust collector (8). The loading device is used to convey a lithium battery to the double roll crusher; the double roll crusher is used to crush the lithium battery into a coarsely crushed material; the lithium battery pulverizer is used to crush the coarsely crushed material into a finely crushed material; the dust separator is used to remove most light dust in the finely crushed material to obtain a crushed heavy material; the first cyclone dust collector is used to collect light dust; the gravitational sorting machine is used to sort a metal shell, a copper-aluminum mixture, and a separator-dust mixture in the crushed heavy material; and the second cyclone dust collector is used to collect the separator-dust mixture. The device employs a multi-stage physical sorting technique to perform crushing and sorting on a non-injected waste lithium battery so as to obtain a metal shell material, a copper-aluminum mixture, a separator, and dust, thereby shortening the recovery process.
Resumen de: WO2024169073A1
The present invention relates to the technical field of lithium battery powered grease guns, provides a lithium battery powered grease gun, and mainly aims to provide a device capable of accurately measuring a grease filling amount, to solve the problem that conventional lithium battery powered grease guns cannot accurately measure a grease filling amount. The lithium battery powered grease gun comprises a storage container, a metering component and a driving component; grease is stored in the storage container; the metering component is located outside the outlet of the storage container, and the grease in the storage container can flow to a grease outlet after passing through the metering component; the driving component is connected to the storage container, and when the driving component is started, the grease in the storage container can be pressed into the metering component. Under the driving of the driving component, the grease in the storage container flows out from the grease outlet after passing through the outlet and the metering component. In the process, the metering component can meter the grease flowing therethrough, so that the accurate metering of the grease discharge amount of the lithium battery powered grease gun is realized.
Resumen de: WO2024169399A1
The present application belongs to the technical field of module power supply locking. Disclosed is a locking device of a modular battery. The locking device comprises a casing (1), the middle of the casing (1) being provided with a limiting sliding recess (4), and the middle of the limiting sliding recess (4) being provided with a sliding locking member (3). The lower end of the casing (1) is provided with a bottom casing (5), the two sides of a middle recess in the bottom portion of the bottom casing (5) being provided with electrode elastic pieces (8), and the positions of the upper end of the casing (1) corresponding to the electrode elastic pieces (8) being provided with electrode contact pieces (7). By means of contact between the electrode contact pieces (7) inside the casing (1) and the electrode elastic pieces (8) of the bottom casing at the lower end of another casing, a signal is generated and input to a chip, and the chip controls a motor (10) to rotate; and an eccentric wheel (11) drives a transmission rod (14) to move, a sliding channel (12) on the transmission rod (14) enables a connection shaft (13) to move, and the connection shaft (13) drives the sliding locking member (3) to move in a set guide rail direction, such that the sliding locking member (3) extends out of the limiting sliding recess (4) and is inserted into a corresponding locking recess (6) of another casing (1), thereby achieving locking. During unlocking, after a key (9) is pressed, the motor (
Resumen de: WO2024169403A1
A battery. The battery comprises a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte. Additives of the electrolyte comprise a phosphorous acid trinitrile compound and an alkyl polynitrile compound, and the battery meets the following relational expression: A≥B/10, wherein A is the percentage content of the total mass of a first additive and a second additive accounting for the total mass of the electrolyte, B is the areal density of the positive electrode, and the unit is mg/cm2. The battery can solve the problems that the side reaction between an electrolyte and an electrode interface of a battery under a high voltage is great, and the high-temperature cycle performance and the high-temperature storage performance of the battery deteriorate significantly under the high voltage. Electrolyte additives of proper amounts are added according to the areal density of the positive electrode, so that the positive electrode has a very stable interface film and interface coordination effect, the stability of the electrolyte and the positive electrode interface is remarkably improved, the consumption of the electrolyte and the damage to the positive electrode structure in the battery cycle process are reduced, and the high-temperature cycle performance and the high-temperature storage performance of the battery under the high voltage are remarkably improved.
Resumen de: WO2024169002A1
The present application relates to the technical field of lithium battery materials, and discloses an anhydrous iron phosphate and a preparation method therefor, and a lithium iron phosphate positive electrode material. The preparation method for the anhydrous iron phosphate comprises the following steps: reacting a mixed solution of a ferrophosphorus solution and an alkali solution at 80-90°C for 20-60 min to obtain a reaction solution; cooling the reaction solution to be lower than 50°C within 20 min; and then carrying out calcination on the solid obtained by the reaction. The method is simple and easy to operate; an anhydrous iron phosphate having a small angle of repose and a uniform size can be prepared; the anhydrous iron phosphate has good fluidity, processability, and compaction density; the processability and the electrochemical performance of the lithium iron phosphate positive electrode material which is prepared subsequently can be improved.
Resumen de: WO2024168709A1
Provided in some of the embodiments of the present application are a battery cell, a battery and an electric device. The battery cell comprises a first wall, an electrode terminal and a separator, wherein the electrode terminal is mounted on the first wall, at least part of the separator is arranged between the first wall and the electrode terminal, and at least part of the structure in the separator has a yield strength of Q1, where Q1 satisfies: Q1 ≥ 30 MPa. In some of the embodiments of the present application, the yield strength of at least part of the structure in the separator is set to be no less than 30 MPa, such that during the machining of the electrode terminal, the risk of the separator being completely collapsed is reduced, thereby improving the yield of the separator after preparation of the battery cell is completed; and the risk of the electrode terminal coming into direct contact with the first wall is reduced, thereby improving the safety of the battery cell.
Resumen de: WO2024168708A1
Provided in the present application are a lithium secondary battery and an electrical apparatus. The lithium secondary battery comprises: a negative electrode sheet, the negative electrode sheet comprising a negative electrode current collector and a negative electrode active material layer arranged on at least one side of the negative current collector, and the porosity of the negative electrode active material layer being P; and an electrolyte, the electrolyte comprising a solvent, the solvent comprising at least one of the following compounds of formula (I), the mass fraction of the compounds of formula (I) in the electrolyte being W1, and W1 and P satisfying: 0.65≤W1/P≤4.4, and optionally, 1.1≤W1/P≤3.5, wherein R1 and R2 each independently comprises at least one of an alkyl group having 1-3 carbon atoms and a halogenated alkyl group having 1-3 carbon atoms. The lithium secondary battery can improve the transmission rate of lithium ions on the negative electrode active material layer when the porosity of the negative electrode sheet is relatively low, and can improve the cycle performance and the safety performance of the lithium secondary battery while improving the energy density of the lithium secondary battery.
Resumen de: US2024283281A1
Described is a battery booster for jumpstarting a vehicle having an external battery. The battery booster includes a set of electrical conductors, a power supply to supply a starting current to jump start the vehicle via the set of electrical conductors, a boost switch positioned in-line between the power supply and a set of battery clamps on one of the set of electrical conductors; and at least one processor to output a control signal to close the boost switch as a function of one or more parameters of the power supply, the external battery, and/or the vehicle. The set of electrical conductors couple with the external battery or with an engine that is electrically coupled with the external battery via the set of battery clamps. The set of electrical conductors includes a positive electrical conductor and a negative electrical conductor. The power supply includes a plurality of lithium battery cells arranged to form a lithium battery having a positive terminal and a negative terminal.
Resumen de: US2024283276A1
A battery system includes a non-reference battery cell; a reference battery cell including a cathode, an anode, and a reference electrode; a potential measuring means configured to measure a reference potential of the anode relative to the reference electrode, of the reference battery cell, and to generate a signal corresponding to the reference potential; and a controlling means configured to receive the signal and to reduce, during a charging process of the battery system, a charging current applied to the battery system when the signal indicates that the reference potential is below a predetermined threshold voltage. The non-reference battery cell may be disposed at a first position in the battery system, and the reference battery cell may be disposed at a second position in the battery system, the second position being a position that has a lowest temperature, among the first and second positions, during the charging process.
Resumen de: US2024283447A1
A switch control device includes: a retention circuit receiving a control signal and a safety signal, and outputting a retention signal to the driver of the switch to maintain an on state of the switch based on the control signal and the safety signal; a retention control circuit disabling the retention circuit, so that the output of the retention signal is blocked based on a disable signal being received; a first controller outputting the control signal to the driver to control the operation of the switch, and outputting the disable signal to the retention control circuit based on the retention circuit being disabled in a system to which the switch control device is mounted; and a second controller outputting the safety signal according to the operation status of the first controller, wherein the driver controls the opening/closing of the switch based on the control signal or the retention signal.
Resumen de: US2024283273A1
A battery system may include: a battery pack including a plurality of battery cells; and a battery management system configured to derive a charging rate based on a charging target state of charge (SOC) for the battery pack and the temperature of the battery pack, and compensate for the charging rate through proportional-integral-derivative (PID) control based on an error voltage between any one of a plurality of cell voltages of the plurality of battery cells and an open circuit voltage (OCV) corresponding to the charging target SOC to generate a compensation charging rate.
Resumen de: US2024282972A1
A lithium ion battery is disclosed. The lithium ion battery includes: a positive electrode current collector with positive electrode active material disposed on a surface thereof; a negative electrode current collector with negative electrode active material disposed on a surface thereof, and the negative electrode current collector being disposed opposite to the positive electrode current collector; a separator and electrolyte disposed between the positive electrode active material and the negative electrode active material; a positive electrode column in electrical contact with the positive electrode current collector; a negative electrode column in electrical contact with the negative electrode current collector; and an outer housing enclosing the positive and negative electrode current collectors, the separator and electrolyte, and wherein the positive and negative electrode columns pass through the outer housing; wherein, the surfaces of the positive electrode current collector and the negative electrode current collector include an orderly and/or randomly textured structure.
Resumen de: US2024283101A1
A battery cell includes a battery cell body, at least two tabs, a first connector and at least two insulators. The first connector is configured to fasten a tail end of an electrode assembly to an outer surface of the battery cell body; the at least two tabs include a first tab and a second tab, and the at least two insulators include a first insulator and a second insulator, where first ends of the first insulator and the second insulator are all provided on the battery cell body, a second end of the first insulator covers part of the first tab, and a second end of the second insulator covers part of the second tab; and in a width direction of the battery cell body, the first insulator is provided close to the first connector, where at least part of the first insulator is located outside the first connector.
Resumen de: US2024282913A1
The invention provides improved slurries for the polishing of hard materials such as those having a Mohs hardness of greater than about 6. Exemplary hard surfaces include sapphire, silicon carbide, silicon nitride, and gallium nitride, and diamond. In the compositions and method of the invention, novel compositions comprising a unique combination of additives which surprisingly were found to uniformly disperse diamond particles having a wide range of particle size in a slurry. In the method of the invention, the generally alkaline slurry compositions of the invention are capable of utilizing diamond particle sizes of greater than 40 microns while effecting good removal rates. In such cases, when utilized with a suitable pad, rapid and planar grinding of silicon carbide, silicon nitride, sapphire, gallium nitride, and diamond is possible, with uniform surface damage.
Resumen de: US2024282942A1
Described are composites having at least one layer, the at least one layer including an alloy of Al and at least another component or at least one layer including a first and second pluralities of particles. The first plurality of particles may be selected from at least one of Al particles and Al alloy particles. The second plurality of particles may be selected from at least one of metal particles and non-metal particles, wherein the metal particles are selected from at least one of zinc, silicon, bismuth, copper, germanium, indium, antimony, tin, magnesium, or combinations thereof, and the non-metal particles are selected from at least one of carbon, lithium titanium oxide, titania, MoO, MoS2, Co2O4, MnO2, Fe2O3, Fc3O4, FeS, CuO, or combinations thereof. The composites may be used as both current collectors and active material.
Resumen de: WO2024169504A1
Provided in the present application are an accurate power-supplementing method and system for improving the consistency of an energy storage battery box, and a storage medium. The accurate power-supplementing method for improving the consistency of an energy storage battery box comprises: (S110) acquiring a battery box required power supplementing, and leaving said battery box standing for a preset period of time; (S120) connecting a BMU of said battery box to a BMS, and measuring voltages of battery cells in real time; (S130) acquiring a battery cell CELL_m having the lowest voltage; (S140) calculating a power-supplementing cut-off voltage Vend; (S150) performing constant-current power-supplementing on the battery cell CELL_m until the voltage of the battery cell CELL_m reaches Vend, and stopping power supplementing; and (S160) leaving said battery box standing for a preset period of time, so as to complete power supplementing.
Resumen de: WO2024172331A1
The present invention relates to a battery pack having excellent shock resistance and, particularly to, a battery pack comprising: a frame unit including a square-shaped outer frame for forming storage space, and a support frame located on the inner edge of one side of the outer frame; a battery cell stored in the storage space; a BMU electrically connected to the battery cell while having one surface oriented toward the upper surface of the support frame; and a BMU cover having a cover plate located on the other surface of the BMU, wherein the support frame includes a first seating part and a second seating part, which is thicker than the first seating part.
Resumen de: WO2024172314A1
Disclosed are: a negative electrode active material preparation method that can reduce the risk of explosion; a method for producing a negative electrode material using a negative electrode active material prepared thereby; and a secondary battery including the negative electrode material produced by the negative electrode material production method. The negative electrode active material preparation method comprises the steps of: mixing a plate-like negative electrode active material, a non-aqueous binder, and an organic solvent to form a slurry; applying the slurry to a base to form a coating layer; thermally drying the coating layer; cutting the coating layer to form negative electrode material flakes; and ball milling the negative electrode material flakes.
Resumen de: WO2024172104A1
This electrode comprises a conductive member and a fiber sheet disposed on the surface of the conductive member. In an embodiment, the conductive member is, for example, an alkali metal (excluding alloys of alkali metals). In another embodiment, the conductive member, for example, contains a conductive base material and a foil-shaped or film-shaped alkali metal disposed on the surface of the base material. The fiber sheet, for example, is disposed in contact with the surface of the alkali metal. In yet another embodiment, the conductive member is, for example, a conductive base material (excluding alkali metals).
Resumen de: WO2024172549A1
The present disclosure relates to an electrode assembly manufacturing device and an electrode assembly manufacturing method. The electrode assembly manufacturing device and the electrode assembly manufacturing method enable an electrode assembly to be manufactured by using an electrode plate which has a preset alignment state and contains no foreign matter and of which the shape is not damaged, and a separator of which the shape is not damaged.
Resumen de: WO2024172546A1
The present disclosure relates to an electrode plate supply apparatus and an electrode plate supply method. Such electrode plate supply apparatus and electrode plate supply method prevent damage to the shapes of electrode plates which are gripped by a mechanism for transporting the electrode plates, and thus prevent electrode plates having damaged shapes from being supplied for the manufacturing of battery cells.
Resumen de: US2024282970A1
An electrode for a lithium-ion battery cell includes a first region having a first thickness and including an active material comprising a first wt % of the first region and a solid electrolyte comprising a second wt % of the first region. A second region has a second thickness and includes the active material comprising a third wt % of the second region and the solid electrolyte comprising a fourth wt % of the second region. The first region and the second region are arranged adjacent to one another. The first wt % is greater than the third wt % and the second wt % is less than the fourth wt %.
Resumen de: US2024283112A1
A battery sampling device, a battery, and an electricity consumption device are provided. The battery sampling device includes a conductive component, a sampling component and a bearing component. The conductive component is in contact with a pole and is electrically connected to the pole. The sampling component is electrically connected to the conductive component and is configured to transmit or process electrical parameters acquired by the conductive component. The bearing component is configured to bear the conductive component and the sampling component and to be adapted to being inserted into a gap between two battery cells with end surfaces of the pole welded with each other. The conductive component abuts against a side surface of the pole and the sampling component, so as to realize an electric connection among the pole, the conductive component and the sampling component.
Resumen de: KR20230052030A
According to an embodiment of the present invention, an energy storage device comprises: a battery that stores received electrical energy in a direct current form or outputs the stored electrical energy; a power converter that converts electrical characteristics for charging or discharging the battery; and a battery manager that monitors state information of the battery. If there are a plurality of preset inputs to the battery manager, power is supplied to the power converter. If there is one preset input to the battery manager, power supply to the power converter is cut off.
Nº publicación: GB2627255A 21/08/2024
Solicitante:
ROLLS ROYCE PLC [GB]
Rolls-Royce plc
Resumen de: GB2627255A
Battery packs 100, which may be used in vehicles including aircraft 10, 20, are disclosed. One such battery pack 100 comprises: a plurality of cylindrical battery cells 101, each one of the plurality of cells 101 having a cylindrical outer cell wall 1010 that extends in a z-direction between opposed first and second ends of the cell 1011, 1012; a carrier structure 112 that locates the battery cells 101 relative to one another and arranges them in an array 1000 in an x-y plane perpendicular to the z-direction; and a plurality of barriers 102 for preventing propagation of thermal runaway between cells 101 of the array 1000, each one of the plurality of barriers 102 forming a barrier wall 1020 that surrounds a group of one or more of the cells 101. A gap is defined between the barrier wall 1020 of each respective barrier 102 and the outer cell wall 1010 of each of the respective one or more cells 101 enclosed by the respective barrier. The gap 103 may be sized to reduce a likelihood of a cell failure propagating to other cells 101 of the array 1000.
BOPI
Sede Electrónica
