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1166
resultados
Última actualización
09/08/2025 [07:24:00]
Resultados 500 a 525 de 1166
Resumen de: US2025246685A1
Provided are a flame-retardant non-aqueous electrolytic solution which exhibits good flame retardancy and has excellent cycle characteristics and electrical resistance characteristics, and a secondary battery using the flame-retardant non-aqueous electrolytic solution. The flame-retardant non-aqueous electrolytic solution according to the present invention contains at least a non-aqueous solvent and an electrolyte dissolved in the non-aqueous solvent, the non-aqueous solvent contains at least one of phosphoric acid esters of chemical formulae (1) to (3) below, the electrolyte contains at least one of a difluorophosphoric acid salt and a nitric acid salt, and the content of the phosphoric acid ester is 20 mass % or more with respect to the total mass of the flame-retardant non-aqueous electrolytic solution. In the formulae, X1 to X3 each independently represent a hydrocarbon group having 1 to 20 carbon atoms, or the like, and Y1 and Y2 each independently represent a halogen atom.
Resumen de: US2025246625A1
An anode material and a battery provided. The anode material includes artificial graphite particle, and there are pores inside and/or on surface of the artificial graphite particle, and the anode material has a pore volume of V cm3/kg, a true density of D g/cm3, and a specific surface area of S m2/g, where 4.0≤V*S/D≤10. The anode material and battery effectively improve active site of surface of anode material and enhance rate performance of anode material.
Resumen de: US2025246632A1
Disclosed are a positive electrode plate and a lithium-ion battery including the same. The positive plate includes a positive electrode current collector and a positive electrode coating layer; and the positive electrode coating layer includes a first coating layer and a second coating layer, wherein the first coating layer is coated on the positive electrode current collector surface, and the second coating layer is coated on the first coating layer surface. The lithium-ion battery has a good safety performance, and when mechanical misuse (needling, weight impact) occurs, the probability of battery fire failure is significantly reduced.
Resumen de: US2025246635A1
A lithium metal battery may include an anode, and a method of preparing an anode for a lithium metal battery, wherein the anode may include an anode current collector; and an electrodeposition inducing layer disposed on the anode current collector, the electrodeposition inducing layer including a first electrodeposition inducing layer and a second electrodeposition inducing layer disposed between the first electrodeposition inducing layer and the anode current collector, the first electrodeposition inducing layer including a metal, and the second electrodeposition inducing layer including a conductive polymer.
Resumen de: US2025246636A1
A fluoride ion secondary battery including an electrode material mixture layer; and a current collecting layer, the current collecting layer having an elastic modulus of 1400 kgf/mm2 or less is provided. The current collecting layer may comprise carbon particles. The fluoride ion secondary battery may not comprise a current collecting foil in contact with the current collecting layer.
Resumen de: US2025246674A1
Disclosed is a solid electrolyte for a solid-state battery, preferably an all-solid-state battery, which may be protected from moisture by chemically reacting a material such as an amphiphilic compound, e.g., a surfactant with a sulfide-containing solid electrolyte, as well as a -solid-state battery comprising the solid electrolyte. The solid electrolyte for the all-solid-state battery is surface-modified with an amphiphilic compound having a hydrophilic group and a hydrophobic group.
Resumen de: US2025246908A1
A battery pack and an energy storage system. The battery pack is configured to supply power to an inverter. The battery pack includes a battery, a conversion circuit, and a black start circuit. The conversion circuit is configured to connect to the inverter through a power bus. The black start circuit includes a first auxiliary power supply, a first capacitor, a switch module, an isolation switch, and a control module.
Resumen de: US2025246614A1
A rechargeable electrochemical system is disclosed that operates using ultra-pure water and a preconditioned electrode without added salts, acids, bases, or catalysts. The electrode is infused with reactive hydrogen species, such as atomic hydrogen, through methods including electrolysis, thermal exposure, or ambient-compatible water jet impact. Upon immersion in ultra-pure water and pairing with a second electrode, the infused electrode induces a spontaneous electrochemical potential. The water, initially non-conductive, becomes weakly alkaline and functions as an electrolyte. The system generates measurable voltage and current under ambient conditions. After discharge, the infused electrode can be restored by reapplying the hydrogen-infusion process or an external potential, enabling repeated charge-discharge cycles. Experimental validation shows consistent electrochemical behavior and power output sufficient for common electronic components. This system offers a scalable, environmentally compatible alternative to conventional batteries and hydrogen energy systems, enabling novel electrochemical operation under benign conditions and opening pathways in low-energy nuclear processes.
Resumen de: US2025246686A1
Provided are: a non-aqueous electrolyte solution that can improve the charged storage characteristics of a non-aqueous electrolyte battery under a high-temperature environment while containing FSO3Li; and a non-aqueous electrolyte battery having excellent charged storage characteristics under a high-temperature environment. The non-aqueous electrolyte solution contains FSO3Li and a specific amount of ions of a specific metal element.
Resumen de: US2025246684A1
This nonaqueous electrolyte secondary battery is provided with: an electrode body that comprises a first electrode and a second electrode, an electrolyte solution; and an outer package. The first electrode has a rectangular shape, and comprises a collector and a mixture layer that is formed on the surface of the collector; the mixture layer has a first region, a second region and a third region sequentially from one end toward the other end in the short-side direction of the first electrode; the respective widths of the first and the third region in the short-side direction of the first electrode are 1% to 20% of the length of the first electrode in the short-side direction; the mixture layer contains an electrolyte salt; and the respective contents of the electrolyte salt in the first and the third region are higher than the content of the electrolyte salt in the second region.
Resumen de: US2025246677A1
An electrode and an all-solid-state battery including the same are provided The electrode comprises granules including an active material, a conductive material, and a binder; and a sulfide-based solid electrolyte coated on the granules, wherein the conductive material is carbon black having an average particle diameter of 120 nm to 200 nm and the carbon black agglomerates to form secondary particles having a particle size of 600 nm to 1,100 nm. The granules in the electrode have high electrical conductivity and provide improved performance of the all-solid-state battery.
Resumen de: US2025246682A1
The present disclosure is an electrolyte solution for a lithium secondary battery and a method of preparing the same. The electrolyte solution enhances the output performance and high-temperature life characteristics of a lithium secondary battery, especially a lithium secondary battery including LiFePO4 (LFP)-based positive electrode active material, using 1-(trimethylsilyl)-1H-benzotriazole and similar additives.
Resumen de: US2025246928A1
In an apparatus for managing a battery and a method thereof, the apparatus includes an charger that charges the battery including two or more battery cells connected in series, and a processor that is configured to control the charger to charge the battery with a first constant current in response to a fast charging request for the battery, monitors one of voltages of the battery cells while fast charging is in progress, and is configured to control charging characteristics of the battery according to a section in a dQ/dV profile to which the cell voltage belongs.
Resumen de: US2025246917A1
In a battery control apparatus and a method thereof, the battery control apparatus may include a plurality of battery packs, and a processor. The processor may determine a target voltage based on obtaining voltage values respectively corresponding to the plurality of battery packs, may identify at least two adjustment battery packs for adjusting a voltage value among the plurality of battery packs based on comparing the target voltage and each of the voltage values, may perform a balancing charging and discharging sequence for adjusting voltage values of the at least two adjustment battery packs to the target voltage, based on performing a preprocessing sequence for battery balancing on the at least two adjustment battery packs, and may adjust the voltage values of the at least two adjustment battery packs within a first predetermined range including the target voltage based on the balancing charging and discharging sequence.
Resumen de: US2025246834A1
Provided are a connector for an FPC (flexible printed circuit) of a power battery, and an installation method of the connector. The connector includes a connector body, metal pins are provided at a closed end of the connector body. Two adjacent metal pins are not in communication. A sealing silicone element is fixedly connected with an open end of the connector body. Multiple first FPC holes corresponding to positions of the metal pins are formed in the sealing silicone element. A connector buckle is fixedly sleeved outside the connector body. The sealing silicone element is abutted against a bottom inner wall of the connector buckle. Second FPC holes corresponding to the first FPC holes are formed in a bottom of the connector buckle. A conductor, after passing through the second FPC hole and the first FPC hole, can be in contact and conduction with the corresponding metal pin.
Resumen de: US2025246612A1
A negative electrode with little deterioration is provided. A novel negative electrode is provided. A power storage device with little deterioration is provided. A novel power storage device is provided. The electrode contains silicon, graphite, and a graphene compound. A silicon particle with a particle diameter of less than or equal to 1 μm is attached to a graphite particle with a particle diameter 10 times or more that of the silicon particle. The graphene compound is in contact with the graphite particle so as to cover the silicon particle.
Resumen de: US2025246678A1
A composite solid electrolyte, a method of preparing the same, and a lithium battery including the same, wherein the composite solid electrolyte includes a first solid electrolyte and a second solid electrolyte. The first solid electrolyte includes a cubic garnet phase and a pyrochlore phase and the second solid electrolyte includes lithium haloboracite. A volume of the first solid electrolyte is greater than a volume of the second solid electrolyte based on a total volume of the composite solid electrolyte and the lithium haloboracite includes chlorine, bromine, iodine, or a combination thereof.
Resumen de: US2025246683A1
Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic fluorophosphonate compound, and a lithium secondary battery including the same.
Resumen de: US2025246626A1
A battery cell includes an electrode plate. A battery includes the battery cell and an electrical device includes the battery. The electrode plate includes a current collector and an active substance layer disposed on at least one surface of the current collector. The active substance layer includes an active substance and an ether polymer, and the active substance layer satisfies Formulas (1) to (3).λ=1-P1P2Formula(1)v=π×(d2)2×h×ρtFormula(2)v/λ>1.Formula(3)
Resumen de: US2025246690A1
Disclosed are a cement-based battery and a method for manufacturing thereof. The cement-based battery includes a waterproof structure, a battery body, a positive electrode, a negative electrode, and an electrolyte solution. The waterproof structure is provided with an accommodating cavity. The battery body is disposed in the accommodating cavity, and includes a cement-based body, which is obtained by curing a solid-liquid mixture, wherein the solid-liquid mixture includes cement, a first porous material, and a first effective microorganism aqueous solution. The positive electrode and the negative electrode are connected to the battery body respectively and extend out of the waterproof structure. The electrolyte solution is disposed in the accommodating cavity. Therefore, the cement-based battery can be applied to a cement building as an energy storage battery to provide power at night, during power outages or during emergencies.
Resumen de: US2025246679A1
Electrolytes, methods of preparing electrolytes, and batteries include electrolytes. Electrolytes may include a material of formula (I), LiaPS4-xOx, wherein x is 0
Resumen de: US2025246715A1
Immersion cooling and venting systems are provided for managing thermal energy levels of traction battery packs. A battery array of the traction battery pack may be configured to establish fluidly isolated cooling fluid flow paths and vent flow gas paths. A cooling fluid (e.g., a dielectric) may be communicated through the cooling fluid flow paths for immersion cooling battery cells of the battery array. The vent flow gas paths may be established by battery holders and battery stands that space the battery cells apart from a middle cooling plate of the battery array.
Resumen de: WO2025157352A1
The invention relates to a method for producing a battery cell housing (1), to a battery cell housing (1), to a battery and to the use thereof. A metal sheet with two sheet edges (9, 10) is provided as starting material, a material tapering is made in the metal sheet as predetermined breaking point (12), and the metal sheet is shaped to form a three-dimensional body such that the two sheet edges (9, 10) abut one another. Then the two abutting sheet edges (9, 10) are fixedly interconnected.
Resumen de: WO2025158148A1
The invention relates to a process of preparing a material comprising hard carbon, in which the process comprises the utilisation of a composition including hard carbon, in which the hard carbon included in said composition has been subject to one or more charge and/or discharge operations in an electrochemical cell.
Nº publicación: WO2025158066A1 31/07/2025
Solicitante:
NORTHVOLT AB [SE]
NORTHVOLT AB
Resumen de: WO2025158066A1
There is disclosed herein a computer-implemented method for determining alignment of a stack of electrode sheets comprising obtaining a first and second image of the stack, determining distances between apparent edges of the imaged sheets, and determining an alignment based on these distances, and the known angles along which the first and second images were taken. A further method is disclosed, additionally comprising the capture of the first and second images. A system is also disclosed, for carrying out the methods.
BOPI
Sede Electrónica
