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1718
resultados
Última actualización
03/10/2025 [07:23:00]
Resultados 950 a 975 de 1718
Resumen de: WO2025196777A1
The present invention relates to a system (100) and a method (200) for charging a battery pack (102). The system (100) has a charger unit (104) connected to the battery pack (102) and a power source. The charger unit (104) is adapted to provide a charging current to the battery pack (102). The system has a control unit (106) communicably coupled to the charger unit (104) and the battery pack (102). The control unit (106) is configured to determine one or more battery parameters of the battery pack (102), determine the charging current corresponding to the one or more battery parameters of the battery pack (102) and enable the charger unit (104) for providing the charging current to the battery pack (102) for charging.
Resumen de: WO2025197263A1
The present invention relates to: 1 an electrolytic solution containing a compound represented by general formula (1), a compound represented by formula (2), an electrolyte, and a nonaqueous solvent; 2 a method for producing the electrolytic solution; 3 a battery comprising a positive electrode, a negative electrode, and the electrolytic solution; 4 a method for manufacturing the battery; and 5 a vehicle equipped with the battery.
Resumen de: WO2025197225A1
Provided is a structure for battery analysis in which an all-solid-state battery is used as a sample battery, wherein even higher airtightness is achieved in order to shield the sample battery S accommodated within a hollow part of a battery accommodation unit 20 from the atmosphere. Specifically, a route indicated by arrows leading from an X-ray window 11 to the sample battery S via a space between a partition member 12 and the inner wall of the battery accommodation unit 20 around the X-ray window 11 is shielded (second airtight structure) by providing an O-ring 51a (airtight member) to a discretionary location on the route.
Resumen de: WO2025196770A1
The present invention relates to a battery pack (100). The battery pack (100) includes a casing (101) having an interior space. A plurality of battery cells (120) disposed inside the interior space of the casing (101) and spaced apart from each other. A filler material (140) disposed in a space between the plurality of battery cells (120) and at least one fluid passage (130) is formed inside the interior space of the casing (101) and surrounding at least one portion of each of the plurality of battery cells (120), the at least one fluid passage (130) being adapted to receive a dielectric fluid (200) for regulating the temperature of the plurality of battery cells (120).
Resumen de: WO2025196741A1
This battery cell conveyance system comprises: a conveyance rail; and a conveyance unit that circulates along the conveyance rail and transports battery cells, wherein the conveyance unit includes: a chamber that switches between a vacuum state and a non-vacuum state; and a suction unit that vacuum-suctions the battery cells when the chamber is in the vacuum state and detaches the vacuum-suctioned battery cells when the chamber is in the non-vacuum state. The cell conveyance system can vacuum-suction the battery cells and easily transport the battery cells to a stack point during a process for manufacturing secondary batteries.
Resumen de: WO2025197891A1
The purpose of the present invention is to provide: a button-type battery comprising a battery container having an exterior can, a sealing can, and a resin gasket, the button-type battery making it possible to satisfactorily suppress intrusion of moisture from the outside to the inside and dissipation of moisture from the inside to the outside; and a method for manufacturing the button-type battery. A button-type battery according to the present invention is characterized by comprising a battery container having an outer can, a sealing can, and a resin gasket interposed between the outer can and the sealing can, said button-type battery furthermore being characterized in that: a positive electrode, a negative electrode, and an electrolyte are accommodated inside the battery container; a resin coating layer is formed on the surface of the gasket exposed to the outside; and (1) the resin in the resin coating layer is a cured product of a photocurable olefin resin, or (2) the resin coating layer contains an olefin resin having a glass transition temperature of 30°C or less and an elongation percentage of 300% or greater.
Resumen de: WO2025197854A1
The present invention reduces the damage incurred to a member used to mitigate the collapse of an end part of a laminate. This battery manufacturing device (1) press-forms laminates (10) in which a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer are laminated. The battery manufacturing device (1) comprises: press pins (31, 32) that apply pressure, to a plurality of the laminates (10) laminated in the thickness direction of the laminates (10), in the thickness direction; and a sandwich plate (6) that has a sandwiched part at least partially sandwiched by two of the laminates (10), a peripheral part provided spaced apart from and in the vicinity of the sandwiched part, and an intermediate part connected to the sandwiched part and the peripheral part and having a lower stiffness than the sandwiched part.
Resumen de: WO2025198302A1
The present invention relates to a polymer and aramid nanofibril composite membrane, a manufacturing method thereof, and a secondary battery comprising same. According to an embodiment of the present invention, it is possible to provide a membrane composed of a polymer and aramid nanofibril composite having a maximum porosity of about 98% by sequentially performing phase separation of the polymer, nanofibrillization of aramid nanoseeds, and pore generation by polymer swelling.
Resumen de: WO2025197820A1
Provided is a resin that is exceptional in terms of ion conductivity and affinity with a solid electrolyte and is suitable as a binder of a solid electrolyte. The resin is characterized by having a structure represented by formula (1). In formula (1), R1 represents a hydrogen atom or a C1-3 alkyl group. R2 represents a C1-6 divalent alkylene group. n represents an integer of 2 or greater, and R3 each independently represent a C3-6 divalent alkylene group. R4 represents a C3 or higher alkyl group or a phenyl group, and hydrogen atoms of the phenyl group may be substituted with a C1-3 alkyl group.
Resumen de: WO2025198311A1
The present invention relates to a solid electrolyte for an all-solid-state battery. The solid electrolyte for an all-solid-state battery according to an embodiment of the present invention comprises Li2O, V2O5, P2O5, and LiCl.
Resumen de: WO2025197179A1
Provided are: a heat transfer suppression sheet which exhibits high holding ability of a particle material and also excellent compression characteristics, is capable of preventing increase in convective heat transfer, and exhibits excellent thermal insulation performance; and a battery pack which comprises said heat transfer suppression sheet and is excellent in safety. A heat transfer suppression sheet (10) includes inorganic particles (30) and first organic fibers (20) having wide stem parts (21) in which the dimension equivalent to the width thereof is 1-100 μm, and branch parts (22) which branch from the stem parts (21). The stem parts (21) of the first organic fibers (20) are multilayered and aligned along a main surface (10a) of the heat transfer suppression sheet (10). In addition, this battery pack has: a plurality of battery cells; and the heat transfer suppression sheet (10). The plurality of battery cells are connected in series or in parallel.
Resumen de: WO2025197105A1
An estimation device (1) comprises an estimation unit (3) that estimates at least a parameter using a storage battery state space model (21) that includes at least a resistance as a parameter, such estimation performed on the basis of the current of a storage battery (50) detected by a current detection device (51) and the voltage of the storage battery (50) detected by a voltage detection device (52). The estimation unit (3) comprises: an inverse sigmoid transformation parameter estimation unit (31) that estimates an inverse sigmoid transformation parameter obtained by performing inverse sigmoid transformation of the parameter; and a sigmoid transformation unit (32) that obtains as an estimated value of the parameter a sigmoid transformation parameter obtained by performing sigmoid transformation of the estimated inverse sigmoid transformation parameter.
Resumen de: EP4621902A1
There is provided an electrolyte for a rechargeable lithium battery. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive. The additive includes a first additive represented by Chemical Formula 1 and a second additive represented by Chemical Formula 2:
Resumen de: EP4621858A1
Disclosed are a negative electrode plate and a processing method therefor, a battery, and an electrical apparatus. The processing method for a negative electrode plate includes: performing combusting treatment on a specified part of the negative electrode plate, where the specified part at least includes an edge of the negative electrode plate, and the combusting treatment includes combusting a fuel gas and heating the specified part using generated flames. In the processing method for a negative electrode plate, the edge of the negative electrode plate is subjected to combusting treatment to ablate burrs by the flames, which facilitates ameliorating the burr problem of the negative electrode plate at the edge.
Resumen de: EP4621923A1
A battery module includes: a battery array including a plurality of battery cells connected by a plurality of bus bars, and having a length in a first direction and a width in a second direction perpendicular to the first direction; a flat plate holder on the battery array to fix the bus bars; at least one coupling portion protruding from the flat plate holder in a third direction perpendicular to the first direction and the second direction, and to apply an elastic force in one of the first direction or the second direction; and a battery controller on the flat plate holder and fixed to the coupling portion by the elastic force, the battery controller to detect operating states of the battery cells and individually control the battery cells.
Resumen de: EP4622090A1
A modular power conversion system is disclosed. The modular power conversion system includes the novel topology which integrates a rectifier block, an inverter block, and DC/DC convertor block in a unified, Universal Convertor. Further, the UC can be ganged at the AC input or output terminals in a modular fashion. The UC delivers the added benefit that the DC stage is isolated, and also to be of unconstrained voltage magnitude. This delivers the benefit of easily ganging DC sources and loads; in the case of batteries, combined modular UC blocks are battery agnostic. The rectifier, DC voltage control, and inverter are each bidirectional: power can be controlled to flow in either direction.
Resumen de: EP4620821A1
An aircraft system (101) includes an electrified powertrain (302) having a first power module (312) and a second power module (314). The aircraft system (101) further includes a thermal management system (300) having a thermal fluid loop (332) for conveying a thermal fluid. The first power module (312) and the second power module (314) are in thermal communication with the thermal fluid loop (332). The thermal management system (300) further includes a heat exchanger (334) in thermal communication with the thermal fluid loop (332) upstream of the first power module (312) and the second power module (314) such that the thermal fluid from the heat exchanger (334) is partitioned between the first power module (312) and the second power module (314).
Resumen de: EP4620581A1
Embodiments of the present application provide a method for coating a glue on a water-cooling plate, a system for coating a glue on a water-cooling plate, and a storage medium, and belong to the technical field of batteries. The method comprises acquiring a first image and a second image comprising the water-cooling plate; determining a deviation between a placement position and a preset position of the water-cooling plate based on the first image and the second image; regulating a glue coating trajectory based on the deviation between the placement position and the preset position of the water-cooling plate; and coating the glue on the water-cooling plate based on the regulated glue coating trajectory. In the above technical solutions, whether a deviation exists in the placement position of the water-cooling plate can be determined by image analysis, and when the deviation exists, the glue coating trajectory can be regulated based on the deviation between the placement position and the preset position, thereby coating the glue based on an accurate glue coating trajectory, avoiding non-uniform glue coating, capable of automatically regulating the glue coating position, improving the glue coating accuracy, and further improving the qualified rate and quality of the glue coating. In addition, the solutions provided in the present application can be adapted to water-cooling plates of different types and sizes.
Resumen de: EP4620920A1
A positive electrode active material for rechargeable lithium batteries includes (a) core particles, including a layered lithium nickel-manganese-based composite oxide, which are in a form of secondary particles, wherein the secondary particles are each an agglomeration of a plurality of primary particles; (b) an aluminium coating layer on a surface of the core particles; and (c) a grain boundary coating portion, which is located on the surface of the primary particles, and which includes cobalt. Also disclosed is a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode.
Resumen de: EP4621878A1
The present application provides a high-nickel single crystal positive electrode material and a production method, a positive electrode sheet, a secondary battery and an electric device thereof. The chemical formula of the high-nickel single crystal positive electrode material is Li1+δNixMyQ1-x-yO2+εAαRβXγ, wherein 0.8≤x<1, 0
Resumen de: EP4621954A1
A battery module includes a plurality of battery cells, each including a case and a sealing portion provided on at least one edge of the case, and including a first battery cell and a second battery cell adjacent to each other in a first direction; and a support frame opposite the plurality of battery cells and into which at least a portion of the sealing portion is inserted, wherein the support frame includes a support guide configured to guide at least portions of the sealing portion of the first battery cell and the sealing portion of the second battery cell to be spaced apart from each other in opposite directions with respect to the first direction.
Resumen de: EP4621913A1
The present invention provides a non-aqueous electrolyte comprising a lithium salt, an organic solvent, and a compound of chemical formula 1 as an additive. Chemical formula 1 In chemical formula 1, n is an integer of 0 or 1, R<sub>1</sub> is any one selected from the group consisting of R, a C1-10 alkyl group capable of being substituted with fluorine, a C2-10 alkenyl group capable of being substituted with fluorine, a C2-10 alkynyl group capable of being substituted with fluorine, OR', OCOR', F and CH<sub>2</sub>PO(R)<sub>2</sub>, and R' can be any one selected from the group consisting of a C1-10 alkyl group capable of being substituted with fluorine, a C2-10 alkenyl group capable of being substituted with fluorine, a C2-10 alkynyl group capable of being substituted with fluorine, and PO(R)<sub>2</sub>. In chemical formula 1 and R<sub>1</sub>, R is a structure represented by the following chemical formula 2. Chemical formula 2 In chemical formula 2, each of Rx and Ry is independently H or F.
Resumen de: EP4621951A1
This application provides a battery box and a battery pack, and relates to the technical field of batteries. The battery box includes a box cover (111), a box (112), a diaphragm (1131) and two longitudinal beams (114). The box cover (111) covers and closes the box (112) to define a mounting cavity. The mounting cavity has two first side walls disposed oppositely. The two longitudinal beams (114) are disposed on the two first side walls, respectively. Both ends of the diaphragm (1131) are lapped with the two longitudinal beams (114), respectively. The diaphragm (1131) divides the mounting cavity into a lower module mounting cavity (1123) and an upper module mounting cavity (1124). A side of each of the two longitudinal beams (114) close to the box cover (111) is configured to abut against the upper battery module (012).
Resumen de: EP4620918A1
A metal composite compound is provided with which a lithium secondary battery having high initial charge and discharge efficiency can be produced.A metal composite compound containing at least Ni, in which in the metal composite compound, when in a differential pore volume distribution determined by a Barrett-Joyner-Halenda method from a nitrogen gas adsorption isotherm, an integrated area of a region where a pore diameter is 1 nm or more and 50 nm or less is A, and an integrated area of a region where the pore diameter is more than 50 nm and 200 nm or less is B, A/B is 0.05 or more and less than 1.5.
Nº publicación: EP4621864A1 24/09/2025
Solicitante:
AESC JAPAN LTD [JP]
AESC Japan Ltd
Resumen de: EP4621864A1
Disclosed are an electrode sheet (10), a battery (100), and an electronic device (1000). The electrode sheet includes a current collector (11), an electrode tab, an active substance layer, and an active material layer. The current collector has a first surface and second surface opposite to each other. The electrode tab protrudes from the current collector. The active substance layer is disposed on the first surface and the second surface. The active material layer at least partially overlaps with or has a gap from one end of the active substance layer near the electrode tab. The active material layer includes a first active material layer (14) disposed on the first surface and a second active material layer (15) disposed on the second surface; wherein colors of the first active material layer and the second active material layer are different.
BOPI
Sede Electrónica
