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1719
resultados
Última actualización
07/06/2025 [07:24:00]
Resultados 550 a 575 de 1719
Resumen de: WO2025114885A1
An arrangement of cells for a battery module includes forming a basic unit of battery cells having a number of cells that equals a prime number, and the basic units are arranged to form the battery module. Each basic unit has three rows of cells arranged in a tangent arrangement, an inner row and adjacent outer rows, where the number of cells in the inner row and each of the outer rows is determined based on a breakdown of the prime number. The basic units are arranged with other basic units such that the cells of outer rows of adjacent units are in direct arrangement as are cells on the ends of rows of adjacent basic units. Battery modules arranged in this manner require fewer types of busbars to connect the cells of units in parallel and the units in series.
Resumen de: WO2025116597A1
The present invention relates to a positive electrode active material for a secondary battery, a positive electrode comprising same, a secondary battery, and a method for manufacturing same and, more specifically, to a positive electrode active material including a core and a lithium oxide-containing coating layer including nitrogen.
Resumen de: WO2025116590A1
According to one embodiment of the present invention, a positive active material for a lithium secondary battery, a preparation method therefor, a positive electrode comprising same, and a lithium secondary battery are provided, the positive active material comprising: a lithium compound represented by chemical formula 1; and a coating layer formed on the surface of the particles of the lithium compound, wherein the coating layer comprises carbon and a surface modifier, and the D/G band ratio, measured by means of Raman spectroscopy, on the surface of the positive active material is 0.7-0.89. Chemical formula 1 Li1+aTibMncO2-dXd In chemical formula 1, 0.1≤a≤0.5, 0.2≤b≤0.6, 0.2≤c≤0.6, 1.1≤(1+a)/(b+c)≤1.4, 0≤d≤0.2, and X is a halogen element.
Resumen de: WO2025116195A1
The present invention relates to an apparatus for releasing a bolt of a battery module and to a technology capable of not only rapidly releasing a bolt but also releasing bolts having different sizes by using one apparatus, in battery modules arranged and formed through coupling by a bolt. Specifically, the apparatus comprises a separation part (100) for performing a release operation of a bolt for fixing a battery module (10).
Resumen de: WO2025117504A1
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to solid chalcohalide electrolytes and the efficient synthesis of solid chalcohalide electrolytes. The electrolytes have the general formula AaMbNcXdYeSf and have relatively high ionic conductivity. The electrolytes can be a component of different types of batteries. The process of synthesizing the electrolytes can be done with cost-effective materials, which is useful for scaling-up production of batteries such as all-solid-state batteries.
Resumen de: WO2025116398A1
The present invention provides a lithium secondary battery having improved high-temperature cycle characteristics. In detail, the present invention relates to, and provides a lithium secondary battery including a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes lithium iron phosphate, a loading amount of the positive electrode is from 32 mg/cm2 to 60 mg/cm2, the electrolyte includes a first organic solvent, a second organic solvent, a first additive, and a second additive, the first organic solvent is a cyclic lactone compound, the second organic solvent is a carbonate organic solvent, the first additive is lithium nitrate (LiNO3), and the second additive is a sulfonylimide compound.
Resumen de: WO2025116389A1
Presented are: a gel polymer electrolyte for a lithium battery; and a lithium battery comprising same, in which the gel polymer electrolyte for a lithium battery comprises a gel polymer and a liquid electrolyte, wherein the liquid electrolyte includes a lithium salt and an organic solvent, and the gel polymer is a cross-linked product of i) a multifunctional acryl-based first polymerizable monomer having at least three polymerizable functional groups and ii) a second polymerizable monomer having a perfluoropolyoxyalkylene (PFPE) unit and at least two polymerizable functional groups.
Resumen de: WO2025116386A1
A battery module of the present invention includes a battery pack having a plurality of battery cells. The battery module includes: a module case accommodating the battery cells; an end plate coupled to the module case; an air-tight unit coupled to the end plate; and a terminal bus bar inserted into the air-tight unit. The terminal bus bar includes a first end drawn out from the end plate and the air-tight unit and a second end contacting the air-tight unit, and the surface of the second end is formed as a composite layer including a resin.
Resumen de: WO2025117489A1
The present disclosure relates to a streamlined process for preparing cathode active materials (CAMs).
Resumen de: WO2025116382A1
According to an embodiment of the present invention, the sealing device may comprise a lead film surrounding a lead metal, and a sealing block provided to seal a pouch surrounding the lead film. The sealing block may include a first sealing surface provided to seal a central portion of the lead film overlapping the lead metal. The first sealing surface may include a center sealing surface and side sealing surfaces located on both sides of the center sealing surface and formed to have a height difference from the center sealing surface. The side sealing surfaces may be provided with sealing protrusions which protrude to a predetermined thickness in the direction in which the sealing block is pressed so as to prevent the lead film from inadvertently moving in the width direction of the sealing surface.
Resumen de: WO2025116194A1
The present invention relates to a method for preparing a Prussian blue positive electrode material for a sodium battery using a Taylor reactor and, more specifically, the method comprises: a first mixture preparation step of preparing a first mixture mixed with an iron chloride aqueous solution; a second mixture preparation step of preparing a second mixture mixed with a sodium ferrocyanide aqueous solution, a synthesis step of synthesizing a Prussian blue analog by introducing the mixture prepared in the first mixture preparation step and the mixture prepared in the second mixture preparation step into a Taylor reactor and allowing them to undergo a reaction under nitrogen injection conditions; an aging step of aging the Prussian blue analog prepared in the synthesis step; a washing and filtration step of washing and filtering the Prussian blue analog aged in the aging step with a washing agent; and a drying step of drying the Prussian blue analog washed and filtered in the washing and filtration step. The method for manufacturing a Prussian blue positive electrode material for a sodium battery, consisting of the processes above, exhibits excellent production efficiency with respect to the Prussian blue positive electrode material, and provides the Prussian blue positive electrode material that provides a sodium battery with improved charge/discharge efficiency and capacity retention rate.
Resumen de: WO2025116551A1
An apparatus for diagnosing a battery, according to one embodiment of the present invention, comprises: a profile acquisition unit for acquiring a first differential profile based on a battery differential voltage and capacity that correspond to a charging process, and a second differential profile based on the battery differential voltage and capacity that correspond to a discharging process; and a control unit for calculating the number of charging peaks included in a first capacity section in the first differential profile, calculating the number of discharging peaks included in a second capacity section in the second differential profile, and diagnosing the state of the battery according to the number of charging peaks and the number of discharging peaks.
Resumen de: WO2025116617A1
The present invention relates to a composite film comprising: an electrode active material including an active material core and a carbon coating layer disposed on the surface of the core; and a fiberized binder, wherein the conductive path connectivity index (CPCI) defined by factors such as the cohesion of the binder, the volume cumulative average particle diameter D50 of the electrode active material, and the thickness of the carbon coating layer in the electrode active material is 0.09-0.45. The dry electrode has excellent resistance characteristics due to excellent conductive path connectivity, even when not including a conductive material. By including the dry electrode, it is possible to provide a lithium secondary battery having excellent output and excellent energy density on the basis of excellent resistance characteristics.
Resumen de: WO2025116560A1
The present invention relates to a binder composition for a lithium ion secondary battery, an electrode comprising same, and a lithium ion secondary battery comprising same. The binder composition for a lithium ion secondary battery comprises thermoplastic polyurethane having an ester-based structure and polyvinylidene fluoride, and can enhance the battery performance, including excellent adhesive strength between interfaces and low electrode resistance.
Resumen de: WO2025116372A1
A battery enclosure according to an embodiment of the present invention comprises: an enclosure including a base fixed to an installation plane; and a battery rack fixed to the base and accommodating at least one battery. The battery rack includes at least one column extending vertically. The base includes two horizontal beams and two vertical beams. The horizontal beams each include a fixing part for fixing the battery enclosure to the installation plane. The position of the fixing part corresponds to the position of the column included in the battery rack.
Resumen de: WO2025116366A1
A battery pack according to the present invention comprises: a plurality of battery modules; a battery pack case for accommodating the plurality of battery modules; and a heat sink provided between the battery modules and the battery pack case, wherein the heat sink includes: a plurality of heat exchange flow paths on which heat is exchanged with each of the plurality of battery modules at positions corresponding to each of the plurality of battery modules; a connection flow path for connecting the plurality of heat exchange flow paths; a main inlet port and a main outlet port through which a fluid is supplied to the plurality of heat exchange flow paths; and an auxiliary inlet port and an auxiliary outlet port through which a fluid is supplied to each of the plurality of heat exchange flow paths.
Resumen de: WO2025116385A1
A sensing unit for a battery module according to the present invention is for a battery module including a battery pack having a plurality of battery cells, the sensing unit comprising: a bus bar disposed between the battery packs; a sensing member that senses power of the battery cells; and a bonding wire that connects the bus bar and the sensing member, wherein the sensing member comprises: a flexible substrate having flexible characteristics; a line part embedded in the flexible substrate and having a plurality of circuit lines; a terminal part disposed at the end of the circuit lines and exposed on the surface of the flexible substrate; and a pad part disposed on the terminal part, and the pad part comprises: a pad body formed of the same material as the bonding wire; and a coating layer disposed on one side surface of the pad body, wherein the coating layer is surface-mounted on the terminal part.
Resumen de: WO2025116347A1
A battery enclosure according to one embodiment of the present invention comprises: an enclosure having an accommodation space therein; a battery rack which is fixed in the accommodation space inside the enclosure and which includes at least one battery; and a control panel for providing an electrical connection between an electrical device positioned outside the enclosure and the battery rack, wherein the size occupied by the control panel in the longitudinal direction of the enclosure is less than or equal to twice the length value of the battery.
Resumen de: WO2025116337A1
A battery pack is disclosed. The battery pack according to one embodiment of the present invention comprises: a case having an open lower side and providing an inner space; a bottom cover coupled to the lower portion of the case; a PCB accommodated in the case and positioned on the bottom cover; and a plurality of battery cells accommodated in the case and positioned on the PCB.
Resumen de: WO2025116099A1
The present invention relates to a portable power bank that is capable of reducing charging time and has a sleek appearance by exposing only a single charging connector to the outside while supporting diversified charging power sources, the power bank comprising: a power determination unit; a power conversion unit; a control unit; and a battery unit, wherein the power determination unit includes a first determination unit that determines alternating current/direct current and a second determination unit that determines the voltage of direct current power, the power conversion unit includes a commercial power conversion means, a solar power conversion means, and a cigarette lighter power conversion means, and a power input connector of the power bank is configured as a single connector.
Resumen de: WO2025116526A1
The present invention provides a structure of a battery module, the battery module comprising: a battery cell; a module frame having a bottom plate on which the battery cell is mounted; and a thermally conductive resin interposed between the bottom surface of the battery cell and the bottom plate, wherein the bottom plate has an anchor portion arranged in a lattice of a plurality of rows and a plurality of columns, and the thermally conductive resin extends downward and fills the anchor portion.
Resumen de: WO2025116419A1
A device (1) for measuring electrical parameters, in particular an insulation voltage, of a battery cell, comprises at least one probe (3) including a conductor (5) configured for electrically coupling to avoltage sensor; wherein the conductor (5) has an arced contact surface (51) configured for engaging the battery cell to be measured; and a biasing member (7) configured for mounting the conductor (5) resiliently in a first direction (F).
Resumen de: WO2025115983A1
Provided are: a non-aqueous electrolytic solution for which the amount of impurities can be controlled; a composition; a power storage element; a method for manufacturing the nonaqueous electrolytic solution; and a method for manufacturing the power storage element. The non-aqueous electrolytic solution contains hexafluorophosphate ions. The integrated value of a peak derived from difluorophosphate ions in the phosphorus-31 nuclear magnetic resonance spectrum is less than 0.1% with respect to the integrated value of a peak derived from the hexafluorophosphate ions. The absorbance at a wavelength of 300 nm in an ultraviolet-visible absorption spectrum measured at an optical path length of 10 mm and at 25°C ± 2°C is 2 or more. The method for producing a non-aqueous electrolytic solution comprises: a preparation step for preparing a first non-aqueous electrolytic solution containing hexafluorophosphate ions; and a treatment step for bringing the first non-aqueous electrolytic solution into contact with an oxide-based solid electrolyte that exhibits ion conductivity to obtain a second non-aqueous electrolytic solution.
Resumen de: WO2025116501A1
Provided is a battery module comprising: a first cell stack and a second cell stack, each of which has a plurality of battery cells stacked thereon; a housing having an inner space in which the first cell stack and the second cell stack are accommodated; an insulating fluid configured to flow in the inner space of the housing; and a barrier assembly disposed between the first cell stack and the second cell stack, wherein the barrier assembly includes: a heat insulation cover configured to be capable of blocking heat propagation between the first cell stack and the second cell stack; and a heat dissipation member in contact with the insulating fluid and including a material having a higher thermal conductivity than the heat insulation cover.
Nº publicación: WO2025112878A1 05/06/2025
Solicitante:
SHENZHEN YINGHE TECH CO LTD [CN]
HUIZHOU LONGHE TECH CO LTD [CN]
\u6DF1\u5733\u5E02\u8D62\u5408\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8,
\u60E0\u5DDE\u5E02\u9686\u5408\u79D1\u6280\u6709\u9650\u516C\u53F8
Resumen de: WO2025112878A1
The embodiments of the present application disclose a battery cutting and stacking integrated device, used for solving the technical problem of difficultly in maintenance as a result of dust removal vacuum pipes in existing devices being each generally mounted in the internal space of a rack. The battery cutting and stacking integrated device in the embodiments of the present application comprises a rack, the rack is provided with a mounting table close to the ground of a production site, and an unwinding module, a cutting module, a stacking module, a hot-pressing blanking module, and a dust removal module are mounted on the mounting table; the dust removal module comprises a plurality of dust removal fans and a vacuum pipe connected to the dust removal fans, the vacuum pipe is arranged on the mounting table, and the vacuum pipe is connected to a plurality of dust suction covers that are respectively arranged towards the unwinding module, the cutting module, the stacking module, and the hot-pressing blanking module.
BOPI
Sede Electrónica
