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1452
resultados
Última actualización
04/05/2025 [07:15:00]
Resultados 550 a 575 de 1452
Resumen de: WO2025089639A1
Provided are a secondary battery having high sealing reliability and a sealing device which is for manufacturing the secondary battery and capable of reducing tact time. A secondary battery according to the present invention includes a battery case which has embedded therein an electrode assembly having electrode leads protruding therefrom and which includes a sealing portion structured to include a sealed outer periphery portion. The sealing portion includes: a first sealing portion at the electrode lead side of the battery case; and a second sealing portion at the electrode lead side of the battery case, wherein the first sealing portion and the second sealing portion each include one end and the other end in the protruding direction of the electrode leads, and the other end of the second sealing portion extends in a direction opposite to the protruding direction of the electrode leads and further than the other end of the first sealing portion.
Resumen de: US2025135868A1
An electric work vehicle includes a frame, a battery housing to house a plurality of battery modules, the battery housing being supported by the frame, an AC compressor supported by the battery housing, a condenser mounted on a first front surface portion of the battery housing, a drier fluidly connected to the AC compressor and the condenser, and a first evaporator mounted forward of a second front surface portion of the battery housing in a front-rear direction of the electric work vehicle. The first evaporator is located rearward of the drier in the front-rear direction of the electric work vehicle.
Resumen de: US2025135950A1
A power storage system includes: a battery including a first power storage, a second power storage, and a first switch unit; a three-phase motor in which coils of three phases are connected at a neutral point, the three-phase motor being driven by electric power supplied from the battery; an inverter connected on an electric power transmission path between the battery and the three-phase motor; a DC power supply circuit connected to a first connection portion positioned on an electric power transmission path between the inverter and the battery; a capacitor provided on the electric power transmission path between the battery and the three-phase motor; and a branch circuit that branches off from the DC power supply circuit on a positive electrode side and is connected to a coil of any one phase among the coils of three phases. The first switch unit includes a semiconductor switch.
Resumen de: US2025135949A1
A mobility apparatus may include a plurality of first wheels, at least one first driving motor configured to provide a driving force to the plurality of first wheels, a first battery configured to supply power to the at least one first driving motor, and a first controller configured to control the at least one first driving motor and the first battery. When a second battery is removably and electrically connected to the first battery through a DC/DC converter, the first controller may perform the SOC control for minimizing natural discharge and/or degradation during long-term parking for the first battery and the second battery according to the driving control mode in which the mobility apparatus is being driven.
Resumen de: US2025135866A1
Disclosed are a battery frame, a power battery and a vehicle. The battery frame includes a base plate and side beams. The side beams are provided on opposite sides of the base plate, each side beam includes a side beam part, a connecting part provided inside the side beam part and connected to the base plate, and a fixing part provided outside the side beam part and configured to connect to a door sill beam of a vehicle. The side beam part includes a upper side beam and a lower side beam, the upper side beam is provided above the lower side beam, an outer side of the lower side beam is connected to the fixing part, and an inner side of the lower side beam is connected to the connecting part, and a first cavity is provided at the lower side beam.
Resumen de: US2025140944A1
The battery system includes a battery and a control device for estimating an SOC of the battery. When SMR is not connected when the replacement of the battery is detected, SOC is estimated based on SOC-OCV property from the voltage of the unit cell when the battery ECU is activated. When SMR is connected, the SOC estimated from the voltage is corrected using an integrated value of current charged or discharged via SMR, and SOC is estimated.
Resumen de: US2025140960A1
When a temperature of battery pack a is greater than a first temperature threshold, a liquid-inlet solenoid valve is opened. A liquid cooling apparatus is controlled to deliver to battery pack a a first cooling liquid, and the liquid-inlet solenoid valve is closed when an immersion degree exceeds a preset degree. The first cooling liquid is cycled. When a current heat-dissipation rate is lower than a preset heat-dissipation rate, the first cooling liquid in battery pack a is discharged into the liquid cooling apparatus. The liquid cooling apparatus is controlled to perform heat dissipation on the first cooling liquid and deliver to battery pack a the first cooling liquid. When the temperature of battery pack a is lower than a second temperature threshold, a liquid-outlet solenoid valve and the liquid-inlet solenoid valve are opened, and then the first cooling liquid in battery pack a is discharged.
Resumen de: US2025140955A1
Provided is a battery module including an electronic component, in which, by improving a structure of the electronic component, a manufacturing cost of the electronic component may be reduced, and an increase in a volume of the electronic component may be suppressed. The battery module may include a voltage measurement circuit electrically connected to battery cells to measure a voltage of the battery cells, the voltage measurement circuit including a main circuit manufactured using a first method, and a fuse electrically connected to the main circuit and manufactured using a second method that is different from the first method.
Resumen de: US2025140954A1
An electric energy storage device including a plurality of energy storage cells that are interconnected along system current paths, wherein parallel current paths and measurement connections having a lower current-carrying capacity than the system current paths are formed between the system current paths. The measurement connections are used for measuring voltages.
Resumen de: US2025140936A1
A lithium-ion secondary battery having excellent adhesion between an electrode mixture layer and an electronic insulating layer provided thereon is provided. The lithium ion secondary battery includes: a positive electrode including a positive electrode current collector, a positive electrode mixture layer provided on the positive electrode current collector, and a positive electrode electronic insulating layer provided on the positive electrode mixture layer; and a negative electrode including a negative electrode current collector, a negative electrode mixture layer provided on the negative electrode current collector, and a negative electrode including a negative electrode electronic insulating layer provided on the negative electrode mixture layer. The height of recesses and projections at the interface between the positive electrode mixture layer and the positive electrode electronic insulating layer is 2 μm or more. The height of recesses and projections at the interface between the negative electrode mixture layer and the negative electrode electronic insulating layer is 2 μm or more.
Resumen de: US2025140965A1
An easy-to-disassemble battery pack is configured to have a structure in which an insulating film is added between a thermal resin and a heat sink such that a lower part of the battery pack is separable from a battery cell while the lower part of the battery pack is fixed in tight contact with the battery cell for heat transfer.
Resumen de: WO2025088677A1
In a graphite carbon material for a lithium-ion secondary battery anode, the crystallite diameter Lc (002) obtained by X-ray diffraction is 35 nm to 150 nm, and the compressive load is 2.0 kN/cm2 to 4.0 kN/cm2.
Resumen de: WO2025088940A1
Disclosed is a power supply device in which a battery pack including a plurality of secondary battery cells is housed in an outer package case, and a heat conduction member is disposed between the battery pack and the outer package case. The battery pack is provided with a battery holder with which the plurality of secondary battery cells are arranged in parallel to each other and end surfaces thereof are respectively arranged on the same surfaces. Heat conduction surfaces of the secondary battery cells are exposed from the battery holder and are thermally coupled to the heat conduction member. The plurality of secondary battery cells are composed of a plurality of battery groups which are each composed of a plurality of secondary battery cells that are arranged at a specific first interval, and the plurality of battery groups are arranged at a second interval that is wider than the first interval. The heat conduction member is sheet-shaped or plate-shaped, and is thermally coupled across the plurality of battery groups.
Resumen de: WO2025088930A1
This information processing device displays a plurality of abnormal state items of a plurality of batteries in time series for each battery, and displays a plurality of state items of a battery in which an abnormality indicated by one abnormal state item has occurred when detecting selection of one abnormal state item among the plurality of abnormal state items, and the display of the plurality of state items includes display of a plurality of pieces of history information corresponding to the plurality of state items in a first period before and after the abnormality occurrence time point at which the abnormality indicated by the one abnormal state item occurred.
Resumen de: WO2025088917A1
Disclosed is an ion conductor which includes a plurality of cations, a plurality of anions, and vacancies in a crystal, wherein an isotropic atomic displacement parameter of an anion having the largest isotropic atomic displacement parameter among the plurality of anions is 2 Å2 or more. The plurality of cations includes conductive ions which are able to be conducted in the crystal and non-conductive ions which are not conducted in the crystal, and at least one of a conductive ion, a non-conductive ion, and a vacancy is present in a conduction site through which cations are conducted. The sum of the occupancy rates of the conductive ions, the non-conductive ions, and the vacancies in the conduction site is 100%, the occupancy rate of the conductive ions is within the range of 10% to 70%, the occupancy rate of the non-conductive ions is within the range of 10% to 50%, and the occupancy rate of the vacancies is within the range of 8% to 50%.
Resumen de: WO2025086883A1
A conductive busbar, comprising: a body (1), the body (1) extending in a first direction (X), and the body (1) comprising a first end portion (2) and a second end portion (3) connected in the first direction (X); a first folding portion (10) connected to the side of the first end portion (2) facing away from the second end portion (3); and a second folding portion (20) connected to the side of the second end portion (3) facing away from the first end portion (2), wherein the first folding portion (10) and the second folding portion (20) are both stacked with the body (1) in a second direction (Y), there is a gap between the first folding portion (10) and the second folding portion (20) in the first direction (X), and the first direction (X) intersects with the second direction (Y). A power battery comprising the conductive busbar.
Resumen de: WO2025086600A1
A negative electrode sheet, a battery cell and an electric device. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer arranged on at least one side of the negative electrode current collector; the negative electrode film layer comprises at least one negative electrode active material layer containing a negative electrode active material, one of the at least one negative electrode active material layer comprises a first area and a second area, and in the thickness direction of the negative electrode sheet, the first area at least covers the two ends of the negative electrode current collector in a first direction; the thickness direction is perpendicular to the first direction; the second area and the first area are continuously arranged in the first direction, the second area is sandwiched in the first area, and the second area covers part of the negative electrode current collector in the thickness direction; the compaction density of the negative electrode active material located in the first area is Ag/cm3, the compaction density of the negative electrode active material located in the second area is Bg/cm3, and B/A<1.
Resumen de: WO2025086601A1
A Na2Ti7O15 doped Na2Ti3O7 sodium titanate electrode material, and a preparation method therefor and a use thereof. The electrode material has a porous block structure formed by stacking nanorods. The electrode material is synthesized by a simple solid-phase method, and is obtained by carrying out ball milling on precursors sodium carbonate and anatase-phase titanium dioxide in proportion, and then carrying out microwave sintering in air; the addition of Na2Ti7O15 increases the exposure of (100) sodium storage crystal face and decreases the exposure of (003) crystal face of Na2Ti3O7 sodium titanate; and Na2Ti7O15 has four TiO6 octahedrons in one structural unit, and has more sodium storage sites and wider sodium-ion diffusion channels, thereby improving the specific capacity and rate performance of the material. Upper and lower layers of TiO6 octahedrons in Na2Ti7O15 are connected to each other, such that the structure is more stable in a sodium-ion intercalation/deintercalation process, thereby improving the long cycle stability of the material.
Resumen de: US2025135865A1
A battery assembly for an electric vehicle is provided that includes a housing, one or more battery units, and a mounting system. The one or more battery units are disposed within the housing. The mounting system is disposed adjacent to a top surface, e.g., on a planar top surface or within an upwardly oriented concavity. The mounting system has a frame member bracket and a housing bracket system. The housing bracket system includes a housing bracket, a load member and a vibration isolator. The housing bracket is configured to be coupled to the frame member bracket. The load member has a first portion disposed adjacent to an upper surface and a second portion disposed along a lateral portion of the housing. The vibration isolator is disposed between the load member and the housing bracket. The vibration isolator is configured to reduce load transmission from the frame member of the vehicle to the housing.
Resumen de: US2025135861A1
An electric work vehicle includes a chassis, a battery housing to house a plurality of battery modules, an electric motor, and at least one inverter. The battery housing is supported by the chassis. The at least one inverter is electrically connected to the plurality of battery modules and the electric motor. The at least one inverter is attached to a side surface of the battery housing that faces a width direction of the electric work vehicle.
Resumen de: US2025135870A1
An electric work vehicle includes a frame and a battery housing supported by the frame. The battery housing includes a plurality of battery housing sections. The plurality of battery housing sections include a first battery housing section, a second battery housing section, and a third battery housing section. The first battery housing section includes a first battery housing portion and a second battery housing portion, the second battery housing section includes a third battery housing portion and a fourth battery housing portion, and the third battery housing section includes a fifth battery housing portion.
Resumen de: US2025136030A1
A crash detection circuit of a battery management unit (BMU), includes a reference voltage generator configured to generate a reference voltage in response to a crash signal output from a vehicle being input to the BMU; and a comparator configured to compare the reference voltage generated from the reference voltage generator with a processed crashed signal corresponding to the crash signal and to output a crash detection signal in response to the processed crash signal having a duration greater than or equal to a minimum retention time and at a voltage greater than or equal to the reference voltage.
Resumen de: US2025136009A1
The present disclosure is directed to freestanding films for a lithium-metal-anode comprising a 2D arrays of nanocrystals of a transition metal nitride, carbide, or mixture and optionally a MXene as a conductive binder, and methods of making and using the same.
Resumen de: US2025135521A1
An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The feed unit (2) comprises a movable portion (20) that includes an outlet section (22) through which said strip-shaped article (N) passes through. The winding unit includes a plurality of winding heads (10) and a movement device for moving (3) said winding heads (10) configured to displace said winding heads (10) along a working path (P). The winding heads (10) and said movable portion (20) are both movable.
Nº publicación: DE102023136160A1 30/04/2025
Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]
GM Global Technology Operations LLC
Resumen de: DE102023136160A1
Ein Verfahren zum Herstellen einer Kühlplatte umfasst das Stapeln von drei Aluminiumblechen aufeinander, wobei jedes der drei Aluminiumbleche im Allgemeinen flach ist. Eine Kante der drei Aluminiumbleche wird aneinander befestigt. Ein oberes der Aluminiumbleche ist mit einem mittleren der Aluminiumbleche an einer Mehrzahl von ersten Standorten verschweißt und ein unteres der Aluminiumbleche ist mit dem mittleren der Aluminiumbleche an einer Mehrzahl von zweiten Standorten verschweißt, die sich von der Mehrzahl von ersten Standorten unterscheiden. Ein Druckmedium wird zwischen das obere und das untere Aluminiumblech zugeführt, um das obere Aluminiumblech vom unteren Aluminiumblech zu trennen und das mittlere Aluminiumblech zu verformen.
BOPI
Sede Electrónica
