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1797
resultados
Última actualización
12/10/2025 [07:12:00]
Resultados 950 a 975 de 1797
Resumen de: US2025303870A1
A vehicle includes: a battery; a thermal management system; and an ECU. The thermal management system includes an electric pump that circulates a heat medium that exchanges heat with the battery. The thermal management system performs thermal management in the vehicle. When a temperature of the battery is raised using the thermal management system, ECU controls the electric pump such that a noise caused by driving of the electric pump is suppressed when there is no background noise as compared with when there is a background noise, the background noise being a noise caused by a device other than the electric pump.
Resumen de: US2025303923A1
A server includes a processor that updates a degradation coefficient of a power storage device, and a communication unit. In a case where an estimated value of a capacity of the power storage device is increased by update of the degradation coefficient, the communication unit performs a notification process for notifying a user that the degradation coefficient is updated, and the processor updates the degradation coefficient. In a case where the estimated value is decreased by update of the degradation coefficient, the communication unit does not perform the notification process, and the processor updates the degradation coefficient by gradually changing the degradation coefficient.
Resumen de: WO2025200221A1
A battery, a negative electrode sheet, a preparation method for the negative electrode sheet, and an electric device. The battery comprises the negative electrode sheet, and the negative electrode sheet comprises a base layer and a negative electrode active layer arranged on at least one side surface of the base layer; the negative electrode active layer comprises a negative electrode active material and an interface material, the negative electrode active material comprises a graphite material, and the interface material comprises an organic salt containing a metal element; the metal element includes one or more of Li, Na, K, Mg, or Al, and the organic salt comprises organic acid anions; and in addition to the carboxyl group involved in salt formation, the organic acid anions comprise at least one functional group, and the functional group includes any one of carbon-carbon double bonds, amino groups, or ether groups. The method can improve the initial efficiency and prolong the cycle life of the battery.
Resumen de: WO2025200366A1
A cylindrical battery (1000) and an electrical device having same. The cylindrical battery (1000) comprises a core (100) and a current-collecting disc (200), wherein the core (100) is formed in a cylindrical shape. In the axial direction of the core (100), a tab welding region (110) is provided on at least one side of the core (100), and the current-collecting disc (200) is suitable for welding and connecting to the tab welding region (110). In the direction parallel to the radial direction of the core (100), the current-collecting disc (200) is provided with an outer ring region (210), a middle ring region (220) and an inner ring region (230) from the outside to the inside, the middle ring region (220) being located between the outer ring region (210) and the inner ring region (230). The middle ring region (220) is provided with first weld patterns (241), and at least one of the inner ring region (230) and the outer ring region (210) is provided with second weld patterns (242), the first weld patterns (241) extending in the radial direction of the core (100), and the second weld patterns (242) extending in the circumferential direction of the core (100). The current-collecting disc (200) is welded and connected to the tab welding region (110) by means of the first weld patterns (241) and the second weld patterns (242).
Resumen de: WO2025205198A1
The present invention pertains to a substance transfer device that is for a substance containing at least one kind selected from sulfur atoms and halogen atoms, that enables safe and efficient handling of a substance containing at least one kind selected from sulfur atoms and halogen atoms, and that comprises a spare chamber for transfer, a transfer substance inlet and a transfer substance outlet, and an introduction mechanism and a discharge mechanism for an inert gas. The transfer substance inlet and the transfer substance outlet are provided to the spare chamber for transfer and are capable of being joined to a first substance inlet and a first substance outlet of a first container for a substance, and to a second substance transfer port of a second container for a substance. The introduction mechanism for an inert gas introduces the inert gas into the spare chamber for transfer. The discharge mechanism for an inert gas discharges the inert gas from the spare chamber for transfer. Also, the present invention pertains to a transfer method and a method for removing an internal residue in an apparatus for a substance.
Resumen de: WO2025200346A1
An electrical device, which is provided with a battery. The battery is provided with electrode sheets. Each electrode sheet comprises an electrode sheet body, the electrode sheet body comprising a coated material region and an uncoated foil region disposed in sequence in a first direction. The coated material region is provided with an active material layer. The uncoated foil region is provided with flow guide grooves, the flow guide grooves being adapted for flow-through of electrolyte. By means of the provision of the flow guide grooves on the uncoated foil region between a tab and the coated material region, when the electrode sheet is wound, the flow guide grooves enable flow-through of the electrolyte, thereby increasing the diffusion rate of the electrolyte in a tab area, improving the production capacity during electrolyte injection and aging processes.
Resumen de: WO2025200486A1
The present application relates to an electrode assembly, a battery, and an electric device. The electrode assembly comprises a negative electrode sheet, a separator, and a positive electrode sheet. The separator is arranged on one side of the negative electrode sheet; the separator comprises a base material and a bonding layer; the bonding layer is arranged on the surface of the base material; the bonding layer comprises first polymers; and the first polymers are copolymers of vinylidene fluoride and hexafluoropropylene. The positive electrode sheet is arranged on the side of the separator facing away from the negative electrode sheet; the positive electrode sheet comprises a current collector layer and an active material layer which are stacked; the active material layer is arranged on the surface of the current collector layer and faces the bonding layer; the active material layer comprises active particles and second polymers; the second polymers are granular; the second polymers are dispersed in the active particles; and the second polymers are bonded to the first polymers.
Resumen de: WO2025206602A1
The present invention relates to a fire-extinguishing composition and a battery pack comprising same. The fire-extinguishing composition comprises an inorganic compound and a polybasic acid compound in a predetermined content ratio and has the viscosity at room temperature controlled to be within a predetermined range and thus, when a thermal event occurs in the battery pack, enables a fire-extinguishing film to be uniformly formed at the spot where the event has occurred, thereby having high cooling and smothering effects for fire-extinguishing. In addition, the battery pack comprising same enables rapidly detecting a spot where a thermal event has occurred and directly and intensively spraying the fire-extinguishing composition on said spot and thus has the advantages of not only enabling the easy prevention of the spreading of the thermal event but also enabling the reduction of the time required to resolve the event.
Resumen de: WO2025205856A1
An objective of the present invention is to provide a binder composition for non-aqueous secondary battery electrodes that makes it possible to reduce the internal resistance of a non-aqueous secondary battery. The present invention is a binder composition for non-aqueous secondary battery electrodes that contains a particulate polymer, wherein, when a least square method is used to waveform-separate a free induction decay curve of transverse relaxation of 1H measured by a pulse NMR solid echo method into two curves derived from two components, component A and component B, in ascending order of a transverse relaxation time T2, the component fraction αA of the A component of the particulate polymer is 1.0%-10.0%.
Resumen de: US2025303922A1
To restrain performance deterioration of a secondary battery caused by peeling-off of a negative electrode active material, a control apparatus for a secondary battery includes a state of charge (SOC) sensor and a controller. The controller determines whether or not, for at least one of a plurality of battery modules, an SOC is not less than a predetermined first reference value, and when the SOC is not less than the first reference value, performs a first control of connecting the plurality of battery modules one by one to a motor and causing the plurality of battery modules to discharge one by one until the SOC of each battery module has decreased to the first reference value.
Resumen de: US2025303842A1
A vehicle includes a first heat exchange plate having a first refrigerant layer and a first coolant layer, and a second heat exchange plate having a second refrigerant layer and a second coolant layer. The first and second exchange plates are respectively capable of exchanging heat with first and second battery packs. When a first temperature of the first battery pack and the second battery pack is lower than a first threshold temperature, a vehicle control device causes a refrigerant to circulate through the first refrigerant layer at a first flow rate, and causes the refrigerant to circulate through the second refrigerant layer at a second flow rate. When a third temperature of the first battery pack is higher than a second threshold temperature, the vehicle control device charges the first battery pack and causes the coolant to circulate through the first and second coolant layers in this order.
Resumen de: US2025303813A1
A battery chiller for a vehicle includes a housing having a first inlet, a second inlet opposing the first inlet, a first outlet having a toroid structure surrounding the second inlet, and a second outlet having a toroid structure surrounding the first inlet. A lattice is disposed within the housing defining a first plurality of channels and a second plurality of channels. The lattice defines a first inlet duct in fluid communication with the first inlet and the first channels, and a second inlet duct in fluid communication with the second inlet and the second channels. A first flow path is defined from the first inlet, through the first inlet duct, through the first plurality of channels and to the first outlet, and a second flow path is defined from the second inlet, through the second inlet duct, through the second plurality of channels and to the second outlet.
Resumen de: US2025303919A1
A battery control system for an electric vehicle includes a plurality of battery packs each including an authorized battery pack having authority to output electric power to drive an electric motor to generate drive power for the electric vehicle, and an unauthorized battery pack not having the authority. A plurality of controllers of the plurality of battery packs are configured or programmed to mutually transmit/receive internal information on states of the respective battery packs. At least one of the plurality of controllers is configured or programmed to change the authorized battery pack to another battery pack among the plurality of battery packs based on the internal information.
Resumen de: US2025303843A1
A bottom structure for an electric vehicle including at least a first and second beam-shaped battery modules extending in a length direction. Each module is formed by a number interconnected cells and has two longitudinal sides, two transverse sides and a top side covered by a cover plate. The modules are mutually interconnected along their longitudinal sides via an adhesive.
Resumen de: WO2025199893A1
The present application relates to the technical field of energy storage, and provides an energy storage device. The energy storage device comprises a battery and a protection system acting on the battery; the protection system comprises a conductive member, a detection module and a control module; the conductive member is fixedly and electrically connected to a pole of the battery; the conductive member is used for fixing the pole, so that the battery is located at an initial position; the conductive member is electrically connected to a power supply device or an electric device; the detection module is used for detecting parameter information during charging and discharging of the battery; the control module is used for controlling electrical separation between the conductive member and the pole when the parameter information is abnormal, and controlling the conductive member to loosen the pole, so that the battery leaves the initial position. The energy storage device can effectively improve the safety during the charging and discharging of the battery.
Resumen de: WO2025201114A1
Provided are a battery cell, a battery cell manufacturing method, an electrode sheet, and an electrode sheet manufacturing method. The battery cell comprises an electrode assembly, wherein the electrode assembly comprises a plurality of first electrode sheets and a plurality of second electrode sheets, each first electrode sheet is provided with a first empty foil region, the first empty foil region is located at a first corner of the first electrode sheet, each second electrode sheet is provided with a first notch, and observed in a first direction, the first empty foil region at least partially overlaps with the first notch; and a plurality of first empty foil regions are stacked and folded in the first direction, and in the first direction, the maximum projection area of the plurality of first empty foil regions is S1, the overlapping portion between a region among the plurality of first empty foil regions that has the maximum projection area and a region among the plurality of first empty foil regions that has the minimum projection area is a first overlapping region, the area of the first overlapping region is S2, and 55%≤S2/S1≤100%. By means of the battery cell of the structure, the current-carrying capacity of a plurality of first empty foil regions can be improved while the influence on the energy density of the battery cell is relatively small.
Resumen de: WO2025206359A1
Provided is an all-solid-state battery capable of suppressing abnormal deposition of lithium metal due to localization of battery reaction or a reduction in the capacity of the all-solid-state battery by suppressing stress concentration to an end in the lamination direction of an electrode laminate against expansion and contraction of a negative electrode due to charging and discharging of the all-solid-state battery while suppressing damage to a positive electrode end against application of compressive stress due to a compression input. The all-solid-state battery comprises an electrode body in which a positive electrode current collector, a positive electrode layer, a solid electrolyte layer, a negative electrode layer, and a negative electrode current collector are laminated in this order, and is provided with an electrode laminate in which a plurality of electrode bodies are laminated. The all-solid-state battery comprises a laminate film including the electrode laminate, wherein a resin coat is disposed in at least a portion corresponding to a sealing part of the laminate film.
Resumen de: WO2025205658A1
This sulfide solid electrolyte contains a lithium (Li) element, a phosphorus (P) element, a sulfur (S) element, and a halogen (X) element, and has peaks at 2θ = 24.9° ± 0.3°, 29.2° ± 0.3°, and 30.6° ± 0.4° in an X-ray diffraction pattern. It is preferable that the half-value width of each peak observed at 2θ = 24.9° ± 0.3°, 29.2° ± 0.3°, and 30.6° ± 0.4° in an X-ray diffraction pattern is 0.1° or greater. It is also preferable that the halogen (X) element contains at least an iodine (I) element.
Resumen de: WO2025204936A1
The present disclosure provides a quasi-solid electrolyte composition comprising: an electrolytic solution that contains an alkali metal salt and an organic solvent; and a porous material. In a quasi-solid electrolyte, the content of the alkali metal salt is 11 mol% or more based on the sum of substance amounts of the alkali metal salt and the organic solvent. The pore size of the porous material is 7-13 Å. The content of the porous material is 20-33 mass% with respect to the total amount of the quasi-solid electrolyte composition.
Resumen de: WO2025205858A1
An objective of the present invention is to provide a binder composition for non-aqueous secondary battery electrodes that is capable of imparting excellent peel strength to non-aqueous secondary battery electrodes. The present invention is a binder composition for non-aqueous secondary battery electrodes that contains a particulate polymer, wherein at least one combination of a transverse relaxation time T2A, measured using CPMG pulse NMR at one point in the range of pH 3.0 to 4.5, and a transverse relaxation time T2B, measured using CPMG pulse NMR at one point in the range of pH 6.5 to 8.0, of the particulate polymer satisfies the relationship in the following formula (1): T2B/T2A≥1.5.
Resumen de: WO2025200343A1
Disclosed is an electric energy device, comprising a distribution box and/or a battery pack, wherein the distribution box comprises a battery management system. Further disclosed are a method for correcting the state of charge of a battery, and a non-volatile readable storage medium. The method for correcting the state of charge of a battery comprises: on the basis of a preset interval to which a real-time power capacity characteristic parameter of a battery belongs, determining a target tolerance range of the state of charge of the battery, wherein target tolerance ranges corresponding to any adjacent preset intervals are different; and on the basis of the target tolerance range, correcting the currently detected state of charge of the battery.
Resumen de: WO2025205393A1
A coated active material 100 according to the present disclosure comprises: a positive electrode active material 110; and a coating layer 120 that coats at least a portion of the surface of the positive electrode active material 110. The coating layer 120 has a first layer 111 containing a first solid electrolyte, and a second layer 112 containing a second solid electrolyte and a first conductive assistant. The first layer 111 is located between the second layer 112 and the positive electrode active material 110. The first solid electrolyte contains Li, Ti, M1, and F, where M1 is at least one selected from the group consisting of Ca, Mg, Al, Y, Zr, and Nb. The second solid electrolyte has a composition different from that of the first solid electrolyte.
Resumen de: US2025305979A1
To accurately evaluate a coating state of a solid electrolyte in a positive electrode active material in a positive electrode slurry for an all-solid-state battery. A device for evaluating a positive electrode slurry for an all-solid-state battery, including a flow path through which the positive electrode slurry flows and a measurement unit configured to measure an AC impedance of the positive electrode slurry, wherein the measurement unit includes a first channel unit configured to measure the AC impedance at a first predetermined frequency and a second channel unit configured to measure the AC impedance at a second predetermined frequency, and the measurement unit includes an evaluation unit configured to evaluate the quality of the coating state of a solid electrolyte in a positive electrode active material based on an imaginary axis parameter of the AC impedance and a real axis parameter of the AC impedance measured by the first channel unit and the second channel unit.
Resumen de: US2025303489A1
The busbar clamping apparatus includes a base member, a moving device, a first actuation part, a second actuation part, a drive device, and a control device. The first actuation part is mounted to the base member and arranged closer to the X+ side than the busbars that should be clamped. The second actuation part is mounted so as to be movable in the X direction relative to the base member and arranged closer to the X− side than the busbars that should be clamped. The control device causes the moving device to move the base member toward the X− side to move the first actuation part toward the X− side, and then causes the drive device to move the second actuation part toward the X+ side. This allows the first actuation part and the second actuation part to clamp the busbars in the X direction.
Nº publicación: US2025305618A1 02/10/2025
Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Resumen de: US2025305618A1
This disclosure describes inspection tools and methods to inspect and maintain the interior of vent gas manifold channels. A magnetically-coupled probe, (e.g., a ball, cylinder, rectangular cube, or disc), is inserted inside the vent gas manifold channel. A magnetically-coupled head then magnetically drags the magnetically-coupled probe through the channels of the vent gas manifold. The inspection tool uses a sensor to monitor the position of the magnetically-coupled probe inside of the channel. If an obstruction is encountered, the sensor monitors local changes in one of more physical or electrical properties of the inspection tool and alerts an operator. The magnetically-coupled probe may be a steel bucket with sharp leading edges that detaches and scoops up the obstruction. A programmed robot manipulator arm or human operator may move the head across the surface of the vent gas manifold parallel to the channel.
BOPI
Sede Electrónica
