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876
resultados
Última actualización
20/10/2024 [07:16:00]
Resultados 100 a 125 de 876
Resumen de: US2024347838A1
A battery cell assembly, a battery pack, and a vehicle are provided. The battery cell assembly includes at least two battery cells, a battery cell bracket, a flexible circuit board, and a connecting sheet. The at least two battery cells are disposed in a butt joint mode along the length direction of the battery cells. The battery cell bracket is connected at a junction position between adjacent battery cells. The flexible circuit board is disposed on the top surface of the battery cell. The connecting sheet is fixed on the battery cell bracket, the connecting sheet is connected to tabs of the battery cells and the flexible circuit board, the connecting sheet has a sampling section, and the sampling section is located on the top surfaces of the battery cells and is configured to be connected to an external sampling device to sample the battery cells.
Resumen de: US2024347783A1
The present disclosure provides a phosphazene derivative, a composition for an electrochemical device and an electrochemical device containing the composition The composition includes an electrolyte, a non-aqueous solvent and an additive. The additive includes a phosphazene derivative of the formula (I), n, R1 and R2 are as defined herein:The safety characteristics of the electrochemical device provided in the present disclosure are improved by adding the aforementioned additives to the composition in the electrochemical device.
Resumen de: US2024347806A1
A control device for a power converter applied to a system including a chargeable/dischargeable power storage device, a coil, and the power converter electrically connecting the coil and the power storage device performs: determining whether the storage unit needs to be heated; and repeatedly executing a single cycle control mode in a specified cycle and performing switching control of the power converter to make a current flowing in the coil higher than 0 when determines that the storage device needs to be heated. The single cycle control mode includes a coil charge mode in which the current flowing in the coil is gradually increased and a coil discharge mode in which the current flowing in the coil is gradually decreased, which is executed after the coil charge mode.
Resumen de: US2024347836A1
A battery includes a plurality of arranged battery cells; and a pressure regulating apparatus, including a body portion and a regulating valve, where the body portion is arranged between adjacent battery cells, a gas pipeline being formed in the body portion, and the regulating valve is arranged in the gas pipeline and configured to regulate pressure in the gas pipeline so as to adjust a gap between adjacent battery cells.
Resumen de: US2024347714A1
Porous silicon and methods for preparation and use of the same are disclosed. The porous silicon materials have utility either alone or in combination with other materials, for example, combined with carbon particles for energy storage applications.
Resumen de: US2024347752A1
The present invention provides a unit cell aligning device, including a first conveying unit which conveys a unit cell including an electrode and a separation membrane in a first direction; a first vision unit that measures a twisted angle of the electrode; a gripper that grips and moves the unit cell; and a control unit that controls the gripper, wherein the control unit adjusts an angle of the gripper on the basis of the twisted angle of the electrode measured by the first vision unit before the gripper grips the unit cell, and returns the gripper so that the angle of the gripper becomes an angle before adjustment after the gripper grips the unit cell.
Resumen de: US2024347698A1
A porous carbon/silicon oxide composite comprising: (A) a porous carbon structure host having pores; (B) a silicon oxide SiOx residing in a pore, where 0<x<2; and (C) a metal or non-metal element M dispersed in the SiOx or coated on a surface of the SiOx, wherein M is selected from Al, Fe, Zn, Sn, Cu, Mn, Ni, Ti, V, Cr, Co, Zr, Nb, Mo, Ag, Au, Cd, Li, Na, K, Be, Mg, Ca, B, C, Ge, Ga, In, Sb, Bi, N, P, Pb, Se, S, As, or a combination thereof, and M occupies preferably from 0% to 30% by weight of the SiOx. Also provided is an anode, comprising such a porous carbon/silicon oxide composite, a lithium-ion cell comprising such an anode, and a method of producing the porous carbon/silicon oxide composite.
Resumen de: US2024347696A1
A positive electrode for a nonaqueous secondary battery including an active material layer which has sufficient electron conductivity with a low ratio of a conductive additive is provided. A positive electrode for a nonaqueous secondary battery including an active material layer which is highly filled with an active material, id est, including the active material and a low ratio of a conductive additive. The active material layer includes a plurality of particles of an active material with a layered rock salt structure, graphene that is in surface contact with the plurality of particles of the active material, and a binder.
Resumen de: US2024347775A1
Provided are an electrolyte, an energy storage device, an energy storage module, and an electric apparatus. The electrolyte for the energy storage device satisfies: 23.1≤−15×c2+28.53×c+0.64×μ+16.47×ρ−σ≤25.3, where c is a value of a concentration of lithium salt in the electrolyte, ranging from 0.6 to 1 mol/L; μ is a value of a viscosity of the electrolyte at 25° C., ranging from 1.6 to 3.0 mPa·s; ρ is a value of a density of the electrolyte, ranging from 1.1 to 1.3 g/cm3; and σ is a value of a conductivity of the electrolyte, ranging from 8 to 12 ms/cm.
Resumen de: US2024347773A1
The present disclosure relates to a nonaqueous electrolyte having improved stability. The nonaqueous electrolyte includes: a first solvent including a heterocyclic compound having at least one double bond or not, and containing at least one of oxygen and sulfur atoms; a second solvent including at least one of an ether-based compound, an ester-based compound, an amide-based compound and a carbonate-based compound; and a first lithium salt, wherein the first lithium salt includes lithium bis(nonafluorobutanesulfonyl) imide, and the lithium bis(nonafluorobutanesulfonyl) imide is present in an amount of 2-5 wt % based on 100 wt % of the total weight of the nonaqueous electrolyte.
Resumen de: US2024347771A1
Provided is a secondary battery. The secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode, an electrolyte, and a separator, where the positive electrode active material contains a transition metal element, and a molar ratio of Mn in the transition metal element, r(Mn), satisfies 0.3≤r(Mn)≤1; and the electrolyte contains an additive selected from at least one of a compound, a compound, and a compound capable of complexing manganese ions, and a compound serving as a lithium salt. A total mass percentage of the compound, compound, and compound in the electrolyte is W1%, where W1% is 0.1% to 5%; a molar ratio C1 (mol/L) of the compound in the electrolyte satisfies 0.2≤C1≤1.5; and r(Mn), C1 and W1% satisfy the following relation: 13≤(100W1%+12C1)/r(Mn)≤20.
Resumen de: US2024347803A1
The present disclosure belongs to the field of lithium ion battery recovery and discloses a method for selectively recovering valuable metals in waste lithium batteries. The method includes the following steps: adding a sulfur-containing compound to waste lithium battery for calcination and water leaching to obtain lithium carbonate solution and filter residue; adding sulfuric acid and an iron-containing compound to the filter residue for leaching, performing solid-liquid separation, and taking solid phase to obtain manganese dioxide and graphite residue; extracting and reverse extracting liquid phase from the solid-liquid separation to obtain nickel cobalt sulfate solution and manganese sulfate solution. The method of the present disclosure selectively extracts lithium in waste ternary cathode materials by calcination and water leaching, and realizes selective low manganese leaching based on the principle that divalent manganese can reduce the high oxide of nickel and cobalt in the leaching stage.
Resumen de: US2024347841A1
In one embodiment, a power storage system includes a movable cart, an external frame, a rechargeable battery, and an electronic system. The movable cart includes a support frame. The support frame includes a base, a plurality of sidewalls mounted vertically with respect to the base, a lid mounted with respect to the plurality of sidewalls, and a set of wheels mounted with respect to the base. The external frame is mounted with respect to the base and is configured to extend around the plurality of sidewalls, where the plurality of sidewalls are accessible from a position outside of the external frame. The electronic system includes at least one output electrical receptacle and at least one input electrical receptacle. The electronic system is configured to electrically connect with the rechargeable battery, and the rechargeable battery and the electronic system are mounted with respect to the movable cart.
Resumen de: US2024347716A1
The present invention relates to a high rate capable lithium ion battery/cell with carbon fused metal and hetero atom doped multi walled carbon nanotubes (MWCNT) as conductive carbon for electrode is fabricated. Cathode electrode is prepared with active material along with high interfacial area carbon fused metal and heteroatom doped MWCNT prepared from petroleum refinery feed stock wherein metal is transition metal like Co, Mn, Fe etc. and heteroatom is nitrogen, sulphur, oxygen, phosphorus etc. Active material is selected from may comprise NMC, LFP, NCA, LNMO, LCO, LMO or combination thereof. Lithium ion full cells of 2032 coin cells were fabricated using the above materials as cathode with graphite anode is high rate capable of deliver capacity up to 5 C rate, deliver specific capacity of 80-100 mAhg−1 at 1 C rate and exhibit good cycling stability at same rate when cycled between 2.75-4.2V.
Resumen de: US2024347804A1
An energy storage system includes a plurality of batteries and a liquid cooling system, wherein the liquid cooling system includes a plurality of water pumps corresponding to the plurality of batteries and a thermal management unit. Thermal management unit is configured to determine a first battery where a battery cell under thermal runaway is located, and to open a first water pump corresponding to the first battery, so as to cool the first battery.
Resumen de: US2024348075A1
A method for sequence current charging a composite lithium metal battery cell is disclosed. In one example, the method includes applying, to a composite lithium metal battery cell for an initial predefined time period, a charging current that is equal to a first portion of a full charging current, wherein the composite lithium metal battery cell includes a composite lithium metal anode; adjusting, after the initial predefined time period, the charging current applied to the composite lithium metal battery cell to a level equal to a second portion of the full charging current for a second predefined time period, wherein the charging current is immediately adjusted at an end of the initial predefined time period without affording the composite lithium metal battery cell any rest or relaxation period; and adjusting, after the second predefined time period, the charging current applied to the composite lithium metal battery cell to a level equal to a third portion of the full charging current until an expiration of a target charging time, wherein the charging current is immediately adjusted at an end of the second predefined time period without affording the composite lithium metal battery cell any rest or relaxation period.
Resumen de: US2024347812A1
A tube of a thermal regulation device for cooling electrical energy storage members is disclosed. The tube extends in a longitudinal main direction of elongation. The tube includes a plurality of longitudinal channels for circulating heat transfer fluid that are formed one beside the other in the material inside the tube. The longitudinal channels open out onto each longitudinal end face of the tube. The longitudinal channels are divided into a first assembly for circulating heat transfer fluid and a second assembly for circulating heat transfer fluid. At least one longitudinal end face of the tube includes a sealing zone which is disposed between the channels contributing to forming the first circulating assembly and the channels contributing to forming the second circulation assembly.
Resumen de: US2024347810A1
A battery pack according to an embodiment of the present disclosure includes a plurality of battery cells, a cooling unit disposed between the plurality of battery cells along a lengthwise direction of the battery pack, and a side structure unit accommodating the cooling unit and the plurality of battery cells, wherein the battery cells, the cooling unit and the side structure unit are arranged at a preset distance ratio for close contact with each other.
Resumen de: US2024347844A1
A multi-cell rechargeable energy storage system (RESS) includes an enclosure having a tray and a cover with battery cells mounted to the tray and a structural senseline assembly having a busbar subassembly for connecting the battery cells. The senseline assembly also includes a sensing device for detecting operation of the battery cell(s) and a sensing circuit connected to the busbar subassembly and to the sensing device for communicating electrical signals therefrom to an external controller. The senseline assembly additionally includes a first interconnect board (ICB) disposed between the battery cells and the busbar subassembly to position the sensing circuit, the busbar subassembly, and the sensing device, and electrically isolate the busbar subassembly from the cells. The senseline assembly further includes a second ICB disposed between the cover and the busbar subassembly and structurally connecting the cover to the first ICB to transmit physical forces between the cover and the tray.
Resumen de: US2024348076A1
Battery cell charging method for charging a lithium ion battery cell of a battery pack of an electric hand-held power tool, in which a charging current made available to the lithium ion battery cell is set on the basis of a cell state characterizing the lithium ion battery cell, wherein the cell state characterizing the lithium ion battery cell is a state of health and/or an internal resistance of the lithium ion battery cell.
Resumen de: US2024347697A1
The invention relates to a method for increasing the adhesive strength of active layers in lithium batteries, in which a silicon layer is deposited on a substrate, preferably made of copper, and subsequently subjected to rapid annealing. The problem addressed by the present invention of specifying at least one method for improving the adhesive strength of active layers in lithium batteries, in particular ensuring the bond between the current collector and the active material of the anode and at the same time a constant current contact through a continuously conductive contact layer, is solved in that prior to depositing the silicon layer on the substrate, the substrate is also subjected to rapid annealing and/or that prior to depositing the silicon layer on the substrate, a functional layer is deposited which is subjected to rapid annealing, wherein a surface of the heat-treated layer is roughened in each case
Resumen de: US2024347768A1
The present invention relates to a composition for preparing a solid electrolyte including a polyrotaxane compound, a cross-linking agent, a lithium salt, and an organic solvent, wherein the cross-linking agent includes a compound represented by Formula 1 below and a compound represented by Formula 2, a method for preparing a solid electrolyte for a lithium secondary battery including thermal-curing the composition for preparing a solid electrolyte, a solid electrolyte for a lithium secondary battery including a thermo-cured product of the composition for preparing a solid electrolyte, and a lithium secondary battery including the solid electrolyte.
Resumen de: US2024347865A1
A battery includes a charge/discharge body including an electrode including an electrode tab, a cover that faces a side section of the charge/discharge body, from which the electrode tab projects, and covers and insulates the charge/discharge body, and a container that houses the charge/discharge body covered by the cover and has conductivity. The cover includes a main body section that covers the side section of the charge/discharge body, an insertion section formed in a cutout shape including an opening at an outer edge of the main body section, the electrode tab being inserted into the insertion section, and a wall section that extends in a direction further away from the side section than the main body section and separates an inner surface of the container and the insertion section.
Resumen de: US2024347772A1
A liquid electrolyte composition for an electrochemical cell is provided. The liquid electrolyte composition includes the following components: (A) sulfur dioxide; (B) at least one salt containing an anionic complex with at least one bidentate ligand. The ligand along with a central ion Z of the anionic complex forms a five to eight-membered ring containing a sequence of 2 to 5 carbon atoms, said sequence being optionally interrupted by a heteroatom.
Nº publicación: US2024347734A1 17/10/2024
Solicitante:
PRIMEARTH EV ENERGY CO LTD [JP]
TOYOTA JIDOSHA KK [JP]
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
PRIMEARTH EV ENERGY CO., LTD,
TOYOTA JIDOSHA KABUSHIKI KAISHA,
PRIME PLANET ENERGY & SOLUTIONS, INC
Resumen de: US2024347734A1
A positive electrode plate for a lithium-ion rechargeable battery includes a positive electrode mixture layer including a positive electrode active material and a fibrous conductive material dispersed on the positive electrode active material, wherein the fibrous conductive material includes flat flaked aggregates of the fibrous conductive material that do not adhere to the positive electrode active material.
BOPI
Sede Electrónica
