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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 1125 a 1150 de 1408
Resumen de: US2025368780A1
Provided are a polymer, a preparation method, a dispersant, a positive electrode slurry, a positive electrode plate, a secondary battery, and a power consuming apparatus. The polymer includes a structure expressed by formula I, where X includes at least one of a carboxyl group, an ester group, a sulfo group, a sulfonate group, a phospho group, and a phosphate group; X′ includes a non-polar group; and L includes a structural unit expressed by formula II, where R1 includes at least one of a C1-12 alkylene group, a C6-12 arylene group, and (I), R2 includes at least one of a C1-12 alkylene group, a C6-12 arylene group, and (II), and R3 includes hydrogen or a C1-18 alkyl group, where EO represents —CH2—CH2—O—, PO represents —CH(CH3)—CH2—O—, m1 and m2 are each independently an integer between 1 and 10, and n1 and n2 are each independently an integer between 0 and 10.
Resumen de: US2025372848A1
A secondary battery includes an electrode assembly including a first electrode and a second electrode, a receiving can having an open first side to receive the electrode assembly and which is electrically connected to the first electrode, a cap assembly covering the open first side of the receiving can to enclose the electrode assembly from outside and being electrically connected to the second electrode, a first tab including a first body coupled to the cap assembly and a first extension bent and extending from the first body, and an insulating layer coated on a first surface of the first extension facing an outer wall of the receiving can.
Resumen de: US2025372850A1
A liquid injection device according to an exemplary embodiment of the present disclosure is a liquid injection device for injecting an electrolyte into a battery case of a secondary battery, which includes: a nozzle member having a closed-loop shape and disposed in the injection port of the battery case; and a main rib extending from the nozzle member toward a central part of the nozzle member to support the nozzle member, and the nozzle member may press the inner surface of the battery case outward in a radial direction.
Resumen de: US2025372849A1
The present disclosure relates to an electrode, and a technical problem to be solved is to provide an electrode capable of suppressing cracks from occurring in an uncoated portion. The present disclosure provides an electrode including: an electrode plate including a coated portion, which is a region in which an active material layer is applied on a substrate, and an uncoated portion, which is a region in which the active material layer is not applied on the substrate; a tab fixed to at least a part of the uncoated portion and protruding from the electrode plate; and a tape adjacent to the tab and attached onto the uncoated portion.
Resumen de: US2025372846A1
A secondary battery includes: an electrode assembly including a first and second electrodes; a case having an opening at one side and accommodating the electrode assembly; and a cap assembly sealing the opening of the case. The cap assembly may comprise a cap plate joined to one side of the case where the opening may be formed and having an insertion hole, a terminal plate including a body portion positioned between the cap plate and the electrode assembly, and an insertion portion protruding from the body portion through the insertion hole, the terminal plate being electrically connected to the first electrode and the case being electrically connected to the second electrode, and an insulating member extended and disposed over at least a portion of a top surface of the cap plate and at least a portion of a top surface of the terminal plate exposed through the insertion hole.
Resumen de: US2025372723A1
A manufacturing method for an all-solid-state battery according to an embodiment includes a first step of coating a solid electrolyte membrane on a release film, a second step of pressing the release film coated with the solid electrolyte membrane onto a first electrode plate, and a third step of removing the release film while the solid electrolyte membrane is pressed onto the first electrode plate and stacking a second electrode plate on the solid electrolyte membrane.
Resumen de: US2025372764A1
An outlet duct system for a vehicle air-cooled battery includes: a first duct fluidly connected to a battery assembly disposed under a floor of a vehicle, and mounted on a top surface of the floor; and a second duct communicating with the first duct, and having an outlet opening through which air is discharged to the floor, wherein the second duct includes a plurality of holes provided in a portion thereof adjacent to the outlet opening, and each hole has a diameter less than an opening area of the outlet opening.
Resumen de: US2025373016A1
An electric power supply system includes: a first electric power supply part that utilizes a commercial electric power supply source; a second electric power supply part that utilizes a vehicle battery or other supply source; a third electric power supply part that utilizes a fuel cell; a fourth electric power supply part that utilizes photovoltaic electric power generation; a first electric power supply line for supplying electric power to an important appliance group; a second electric power supply line for supplying electric power to a general appliance group; and a distribution board. The distribution board includes: a first switch to switch over the first electric power supply part and the second electric power supply part at an input; a second switch to switch over the third electric power supply part and an output of the first switch at an input, the second switch having an output connected to the first electric power supply line; and a third switch to switch over the fourth electric power supply part and the output of the first switch at an input, the third switch having an output connected to the second electric power supply line.
Resumen de: US2025373026A1
A communication device executes a state information transmission process of transmitting a plurality of types of battery state information from a battery to a BMS via serial communication. The state information transmission process includes: a process of transmitting a frame including the plurality of types of battery state information from the battery; a process of replacing an order of the plurality of types of battery state information in the frame transmitted from the battery with a predetermined order common to other frames; a process of assigning battery No. information to the frame in which the order of the plurality of types of battery state information is replaced with the predetermined order; and a process of transmitting, to the BMS, the frame in which the order of the plurality of types of battery state information is replaced with the predetermined order and to which the battery No. information is assigned.
Resumen de: US2025372643A1
A positive electrode active material comprises a secondary particle. The secondary particle includes crystallites. The crystallites extend radially from a center of the secondary particle toward outside. Each of the crystallites includes a lithium-metal composite oxide. The lithium-metal composite oxide has a lamellar-rock-salt-type structure. In a surface of the secondary particle, an open pore is formed between the crystallites that are adjacent to each other. The open pore has a pore diameter of 250 nm or more.
Resumen de: US2025372748A1
Provided is a method that is for treating a battery member containing a sulfide, and that is capable of effectively removing hydrogen sulfide generated when the battery member is brought into contact with a treatment liquid. The method is for treating a battery member containing lithium metal and a sulfide, the method comprising: a nitrification step S1 for bringing the battery member into contact with nitrogen gas to obtain a substance containing lithium nitride and the sulfide; and a treatment step S2 for bringing the substance containing lithium nitride and the sulfide into contact with a treatment liquid containing water.
Resumen de: US2025372681A1
A fuel cell module includes a fuel cell stack, and a controller configured to start power generation of the fuel cell stack when a charging rate of a power storage device directly connected between the fuel cell stack and a load becomes a lower limit value or less, and configured to stop power generation of the fuel cell stack when the charging rate of the power storage device becomes an upper limit value or more. The fuel cell stack is connected to the power storage device not through a power conversion circuit, and the controller changes at least one of the lower limit value and the upper limit value based on a deterioration degree of the fuel cell stack.
Resumen de: US2025368778A1
A polymer, a preparation method, a dispersant, a positive electrode slurry, a positive electrode plate, a secondary battery, and a power consuming apparatus are disclosed. The polymer includes a structure expressed by formula (I), where X includes at least one of a carboxyl group, an ester group, a sulfo group, a sulfonate group, a phospho group, and a phosphate group; X′ includes a non-polar group; and L includes a structural unit expressed by formula (II), where R1 includes a C1-12 alkylene group, a C6-12 arylene group or formula (A), R2 includes a C1-12 alkylene group, a C6-12 arylene group or formula (B), and R3 includes hydrogen or a C1-3 alkyl group, where EO represents —CH2—CH2—O—, PO represents —CH(CH3)—CH2—O—, m1 and m2 are each independently an integer between 3 and 60, and n1 and n2 are each independently an integer between 0 and 60.
Resumen de: US2025369071A1
The present invention provides a lithium recycling method for waste lithium iron phosphate batteries, comprises: placing black powder of a positive electrode of a waste lithium iron phosphate battery in a roasting processing furnace filled with protective gas for a roasting reaction. During this, the input chlorine flow rate is adjusted based on the mixture in the roasting processing furnace to control the roasting reaction temperature at 50-300° C. The roasted product is then immersed in water to obtain a roasted product solution. Suction filtration of the roasted product solution yields a filtrate. Evaporation concentration followed by drying of the filtrate prepares lithium chloride crystals. This one-step low-temperature roasting, with temperature controlled by adjusting the input chlorine flow rate, converts the lithium element into water-soluble lithium chloride. The method is simple, efficient, low in energy consumption, achieves over 95% lithium element recycling rate, and has significant industrial application value.
Resumen de: US2025370048A1
The present application provides a cell safety prediction method, apparatus, device and medium determines a first environmental parameter, and performs a first thermal runaway operation on a target cell according to the first environmental parameter until thermal runaway occurs in the target cell; obtains a first state parameter of the target cell to determine a target heat production model; performs three-dimensional modeling on a battery structure, and performs a second thermal runaway operation on the established model; and obtains a second state parameter during the second thermal runaway operation according to the target heat production model, thereby judging safety of a target battery pack. The method saves the test cost and simplifies a cell safety prediction system; and at the same time, the method reduces requirements of mechanism modeling for basic data, and generally improves the efficiency and accuracy in the prediction of the cell safety.
Resumen de: US2025369688A1
A drying device is provided and is configured to dry an electrode sheet. The drying device includes: a box body, a plurality of first infrared drying assemblies, and a plurality of second infrared drying assemblies. The box body defines a drying channel extending through the box body. The electrode sheet is capable of being conveyed in the drying channel; the drying channel has a first side and a second side opposite to the first side; the box body includes a first drying section arranged along a conveying direction of the electrode sheet. The plurality of first infrared drying assemblies are arranged on an inner wall of the first drying section and located on the first side of the drying channel. The plurality of second infrared drying assemblies are arranged on the inner wall of the first drying section and located on the second side of the drying channel.
Resumen de: US2025372769A1
The present disclosure relates to a heat insulating sheet for a rechargeable lithium battery and a rechargeable lithium battery module including the heat insulating sheet. The heat insulating sheet includes a first base layer, an aerogel-containing layer, and a second base layer that are laminated. The aerogel-containing layer includes a fibrous support, an aerogel, one or more of a phosphorus-based compound and a phosphorus-based ammonium compound, and a crosslinked product of a binder and a crosslinking agent. The binder includes an alcohol-based binder, and the crosslinking agent includes a polycarboxylic acid containing a sulfonic acid group (SO3H) or a salt thereof.
Resumen de: US2025372759A1
Provided is a battery pack according to example embodiments of the present technology. The battery pack includes a housing including a plate part and first and second side walls coupled to the plate part, a plurality of battery assemblies on the housing, and a lower supply pipe assembly on a first side of the housing, in which the plate part includes a plurality of lower cooling channels extending in a first direction, the first side wall includes a first lower recovery channel, the second side wall includes a second lower recovery channel, and the lower supply pipe assembly is connected to the plurality of lower cooling channels.
Resumen de: US2025372763A1
A duct structure for an air-cooled battery including a duct configured to guide air flowing out from a battery assembly disposed under a floor of a vehicle in a longitudinal direction of the vehicle, and a carpet pad covering the duct, where the carpet pad includes a guide passage extending from a portion of the carpet pad adjacent to the duct to a side edge of the floor.
Resumen de: US2025372757A1
According to an embodiment of the present disclosure, provided is a battery module including: a housing having an accommodation space; a cell assembly accommodated in the accommodation space and including a plurality of battery cells; a first cooling port through which a cooling fluid flows into the accommodation space; a second cooling port, disposed to face the first cooling port in a first direction and through which the cooling fluid is discharged to the outside of the accommodation space; and a flow plate provided with a plurality of flow channels extending in the first direction to allow the cooling fluid to flow in the first direction in the accommodation space, and the flow plate is disposed on at least one side of the cell assembly based on a second direction, perpendicular to the first direction.
Resumen de: US2025372738A1
A temperature sensing assembly according to an embodiment of the disclosure may include a substrate; a temperature sensor mounted at the substrate; and a bridge coupled to the substrate and at which a hole facing the temperature sensor is defined. A compression member is disposed between the bridge and the substrate, and is disposed at both sides of the temperature sensor.
Resumen de: US2025372596A1
An apparatus for rolling an electrode plate, includes: a main rolling portion including a first rolling portion and a second rolling portion; an adjustment roller portion to be moved up and down and contact one surface of an electrode plate that has passed between the first rolling portion and the second rolling portion, the electrode plate including: a substrate; an active material coating portion on the substrate, the active material coating portion including an active material applied in a plurality of rows on the substrate; and a plurality of uncoated portions corresponding to areas of the substrate where the active material is not applied; and a plurality of pressing portions configured to press the uncoated portions, and located at a rear end of the main rolling portion with respect to a transfer direction of the electrode plate.
Resumen de: US2025369115A1
A Metal-containing film forming composition comprising a precursor having the formulawherein, M=V or Nb or Ta; R1-R3=independently H or C1-C10 alkyl group; L=Substituted or unsubstituted cyclopentadienes, cyclohexadienes, cycloheptadienes, cyclooctadienes, fluorenes, indenes, fused ring systems, propene, butadiene, pentadienes, hexadienes, heptadienes; m=0 or 1.
Resumen de: US2025368346A1
In accordance with one embodiment of the present invention, an aircraft comprises a battery pack mounted external to the aircraft structure. The batteries are configured to vent directly to the environment during battery thermal runaway. In one embodiment, an aerodynamic fairing provides an aerodynamically efficient surface and weather protection during nominal flight conditions. During battery thermal runaway however, the aerodynamic fairing is configured to expose the battery to the environment.
Nº publicación: US2025368339A1 04/12/2025
Solicitante:
PRATT & WHITNEY CANADA CORP [CA]
NATIONAL RES COUNCIL OF CANADA [CA]
Pratt & Whitney Canada Corp,
National Research Council of Canada
Resumen de: US2025368339A1
A battery system is provided that includes a plurality of battery strings, negative path electrical conductors, positive path electrical conductors, and string balancing resistors. The battery strings are disposed in a parallel configuration. Each battery string includes positive and negative terminals. The negative terminal of each battery string is selectively in electrical communication with a load through a respective negative path electrical conductor, and the positive terminal of each battery string is selectively in electrical communication with the load through a respective positive path electrical conductor. The battery system is configurable in a balancing state wherein the battery system is disconnected from the load and the battery system is configured such that the string balancing resistors cause the battery strings to balance in voltage relative to one another.
BOPI
Sede Electrónica
