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1092
resultados
Última actualización
27/08/2025 [07:25:00]
Resultados 50 a 75 de 1092
Resumen de: WO2025174563A1
A battery system (100) includes a battery cell (102) including a housing (104). The housing (104) includes a plurality of walls (106) that define an outer surface (110) of the housing (104). The battery system (100) also includes a sensor (200) coupled to the outer surface (110) to determine an adverse thermal event in the cell (102). The sensor (200) includes a deformable element (202) made of a shape-memory material (SMM) that has a pre-stressed shape (S1). The deformable element (202) is adapted to deform to a memorized shape (S2) from the pre-stressed shape (S1) in response to an operating temperature of the cell (102) exceeding a predefined temperature threshold for the cell (102). The memorized shape (S2) of the deformable element (202) is different from the pre-stressed shape (S1) of the deformable element (202). A deformity of the deformable element (202) to the memorized shape (S2) is indicative of the adverse thermal event in the cell (102).
Resumen de: WO2025172295A1
A method for producing a component assembly which has a first component and a second component which are connected to one another via a connecting element, wherein the first component has a receiving section, an extension section and an intermediate section which connects the receiving section to the extension section, wherein the receiving section has a receiving section surface and the extension section has an extension section surface, and the second component has two mutually opposite surfaces and a recess delimited by a recess edge, wherein one of the components is moved relative to the other component in such a way that a distance decreases between the extension section surface of the first component and one of the two mutually opposite surfaces of the second component which faces the extension section surface, and the receiving section of the first component extends into the recess or through the recess, and the connecting element between the components is produced in such a way that the two components are fixed to one another by the connecting element.
Resumen de: WO2025174541A1
In some implementations, a first wireless receiver (122) of a battery module (104) of a battery pack (100) may receive, using a first wireless communication technology, data from a first wireless transmitter (120) of a chip-on-cell device (114) connected to a battery cell (106) of the battery module (104). The data may indicate one or more properties of the battery cell (106) detected by the chip-on-cell device (114). The first wireless receiver (122) may transfer the data to a second wireless transmitter (126) of the battery module (104). The second wireless transmitter (126) may transmit, using a second wireless communication technology, the data to a second wireless receiver (128) of a battery management system (BMS) (130) of the battery pack (100).
Resumen de: WO2025174542A1
A cooling assembly (106) for a battery system (100) includes an inlet system (200). The inlet system (200) includes an inlet manifold (202), an inlet connecting tube (210), a first inlet connecting member (211) defining a first surface (212) and at least one first inlet fluid port (214), and a second inlet connecting member (222) defining at least one second inlet fluid port (226) in fluid communication with the at least one first inlet fluid port (214) of the first inlet connecting member (211). The cooling assembly (106) also includes an outlet system (700) in fluid communication with the inlet system (200). The outlet system (700) includes an outlet manifold (702), a first outlet connecting member (708) defining at least one first outlet fluid port (716, 718), an outlet connecting tube (720), and a second outlet connecting member (722) defining at least one second outlet fluid port (730, 732).
Resumen de: US2025266593A1
This secondary battery includes an insulating sheet that covers an electrode assembly, the electrode assembly includes a first surface, the insulating sheet includes a first region constituted of a vicinity of one end portion of the insulating sheet and a second region constituted of a vicinity of the other end portion of the insulating sheet, the first region and the second region cover the first surface, and an overlapping region in which the second region overlaps with the first region is provided, in a width direction of the electrode assembly, the overlapping region includes a central region and an end-portion region located beside each of both sides of the central region, and the central region is provided with a recess as a non-overlapping region that reduces an overlapping area of the overlapping region.
Resumen de: US2025266520A1
The battery management device includes: a calculation unit that calculates SOC and the coefficient from the measured values of the current and the voltage of the battery based on an SOC of the battery and an estimation model that estimates the polarization voltage according to a coefficient relating to an increase in a voltage corresponding to SOC among the polarization voltages caused by discharging of the battery; and a notification unit that, when SOC is equal to or less than a threshold value, notifies the user of charge of the battery, and the notification unit decreases the threshold value as the coefficient decreases.
Resumen de: US2025266522A1
A battery pack includes a plurality of cell module units and a pack case housing the plurality of cell module units. Each of the cell module units includes a cell module including a plurality of battery cells, an abnormality detection means electrically connected to the cell module to use the cell module as its power source. The abnormality detecting means is configured to output a signal to an external controller when detecting an abnormality in an entirety of the pack case.
Resumen de: US2025266539A1
The invention relates to a housing for an electronic element, preferably a battery cell or a capacitor, with a cylindrical section and with a base arranged on one side of the cylindrical section. The cylindrical section and the base are formed in one piece. The cylindrical section and the base consist of a clad metal sheet and the metal sheet has at least one layer of aluminium and at least one layer of steel. The housing solves the problem of providing an improved housing.
Resumen de: US2025266518A1
A cell is configured for a penetration test such that the cell is not damaged when a hole for the penetration test is formed. The cell includes an electrode assembly, a case accommodating the electrode assembly and having an area in which a hole for the penetration test is formed, and a protective sheet disposed at a position corresponding to the area between the electrode assembly and the case.
Resumen de: US2025266526A1
The invention relates to a housing element of a battery (1), wherein the housing element (2) is designed to be connected to an additional housing element (3), said elements providing a commonly formed interior space (4) for accommodating a plurality of battery cells (20), wherein the housing element (2) forms a first temperature-control structure (51), and a cover element (6) that forms a second temperature-control structure (52) is connected to the housing element (2) such that a flow chamber (5), through which temperature-control fluid (7) can flow, is delimited in a fluid-tight manner, wherein the first temperature-control structure (51) and the second temperature-control structure (52) are arranged inside the flow chamber (5) and are arranged so that temperature-control fluid (7) can flow around them, wherein a first element (81) of a battery controller is arranged in a thermally conductive manner on the housing element (2), and a second element (82) of a battery controller is arranged in a thermally conductive manner on the cover element (6), wherein the flow chamber (5) comprises a plurality of regions (9), whereby the first temperature-control structure (51) and the second temperature-control structure (52) each have a different design.
Resumen de: WO2025173426A1
A power storage element according to one aspect of the present invention has a laminate structure provided with a positive electrode base material, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode base material in the stated order, and comprises a negative electrode tab connected to the negative electrode base material. The negative electrode active material layer contains at least one negative electrode active material selected from the group consisting of metallic lithium and substances alloyed with elemental lithium. An electrically insulating inorganic member is arranged on a side surface at a portion where the positive electrode active material layer faces the negative electrode active material layer with the solid electrolyte layer interposed therebetween, among the side surfaces of the positive electrode active material layer. The positive electrode active material layer and the electrically insulating inorganic member are both laminated on the same surface of the positive electrode base material. A portion where the electrically insulating inorganic member and the negative electrode tab overlap is present when viewed in the lamination direction. The overlapping portion is provided with a fixing member that covers at least part of the negative electrode tab, thereby fixing the negative electrode tab.
Resumen de: WO2025173451A1
This estimation method involves: acquiring measurement data including the voltage of a power storage element and the current flowing in the power storage element; estimating, on the basis of the acquired measurement data and by applying a state estimator, a parameter related to a polarization component of an equivalent circuit model including an RC parallel circuit; and estimating the voltage of a polarization component of the power storage element at a specific time point by using the estimated parameter.
Resumen de: WO2025173410A1
Provided is a cooling heat exchanger, which has a new structure and is capable of more efficiently exhibiting cooling performance. A cooling heat exchanger 10 has formed therein a cooling flow passage 36, through which a cooling heat medium flows, and cools a cooling target 52 superposed on a cooling surface 16. The cooling flow passage 36 is composed of a plurality of flow passage parts 40 extending adjoiningly in parallel, and is provided with a parallel flow passage part 38 in which the heat medium-flowing directions in the flow passage parts 40 are the same. A plurality of projections 42 which disturb the flowing of the heat medium are formed in the parallel flow passage part 38. Regions in which the actions of disturbing the flowing of the heat medium by the projections 42 are different from each other are set in the parallel flow passage part 38.
Resumen de: WO2025171742A1
A thermal management system, a battery pack, and a vehicle. The thermal management system comprises a liquid intake manifold (10), a liquid output manifold (20) and at least two liquid-cooling plates (30), wherein a main liquid inlet (11) and at least two liquid inlets (121) are spaced apart on the liquid intake manifold (10) in sequence; a main liquid outlet (21) and at least two liquid outlets (221) are spaced apart on the liquid output manifold (20) in sequence; and the at least two liquid-cooling plates (30) are spaced apart in a preset direction, and the liquid inlets (121), the liquid-cooling plates (30) and the liquid outlets (221) correspond to each other on a one-to-one basis and are in communication with each other in sequence. The thermal management system comprises at least one of the following configurations: the cross-sectional area of the liquid inlet (121) close to the main liquid inlet (11) is smaller than the cross-sectional area of the liquid inlet (121) away from the main liquid inlet (11); alternatively, the liquid flow space of the liquid-cooling plate (30) close to the main liquid inlet (11) is smaller than the liquid flow space of the liquid-cooling plate (30) away from the main liquid inlet (11).
Resumen de: US2025266516A1
A system and method for discharging the battery cells of a battery pack for rendering the battery pack safe for shipping and disposal and preventing further use of the battery pack after reaching an end of life state. A discharge switching device is included in the battery pack and is configured to permanently transition from a first state to a second state. When the discharge switching device transitions to the second state, the stored voltage in the battery cells discharges through a voltage drain circuit that includes a power consuming load and a drain circuit. The transition of the discharge switching device to the second state prevents further charging of the battery cells in the battery pack. The transition of the discharge switching device can be controlled by a manual activation device and/or a battery management system of the battery pack.
Resumen de: US2025266459A1
The present invention provides a binder for a secondary battery electrode, capable of improving the toughness of a binder applied film after immersion in an electrolyte solution, the resistance of a secondary battery electrode mixture layer against the electrolyte solution, and the cycle characteristic of a secondary battery. The binder for a secondary battery electrode includes a carboxyl group-containing crosslinked polymer or a salt thereof, in which at least a part of the carboxyl group is a functional group used to couple with an organic compound having two or more cationic groups.
Resumen de: US2025266567A1
A battery pack may include: a case having a base plate and configured to provide an inner space; a battery module located inside the case; and a venting cover coupled to the case, the venting cover covering at least one surface of the battery module, and the venting cover configured such that at least a portion of the venting cover is movable in an outward direction of the battery module.
Resumen de: US2025266512A1
Battery assemblies may include a battery cell unit enclosed in a steel can and a battery management unit overmolded to the steel can with an overmold material. Various other devices and systems are also disclosed.
Resumen de: US2025266557A1
A battery-cushioning member disposed between a first rigid body and a second rigid body includes a sheet-shaped heat insulation member with a first surface and a second surface facing in a direction opposite to that of the first surface. At least one first elastic body is disposed on the first surface and formed integrally with the heat insulation member. The at least one first elastic body creates a partial space between the first surface and the first rigid body. Preferably, the battery-cushioning member further includes at least one second elastic body disposed on the second surface and formed integrally with the heat insulation member. The at least one second elastic body creates a partial space between the second surface and the second rigid body.
Resumen de: US2025266507A1
Solid state battery apparatus are provided. The present disclosure relates to a solid state battery comprising a cell which comprises a cathode, an anode, and a solid electrolyte positioned between the cathode and the anode. The anode comprises first particles comprising silicon and second particles comprising a material configured to form an alloy with lithium. The second particles are substantially softer than the first particles and configured to compensate for size changes of the first particles during charging and discharging cycles of the solid state battery such that, as the first particles expand in size, the second particles are compressed in size at a given pressure applied to the solid state battery and further such that, as the first particles shrink in size, the second particles expand in size at a given pressure applied to the solid state battery.
Resumen de: WO2025171739A1
A battery cell (20), a battery (100), an electrical device and an energy storage device. The battery cell (20) comprises a housing (21), wherein the housing (21) comprises a casing (211) and an end cover (212), the casing (211) being provided with an opening (213), and comprising a first wall (30), the first wall (30) comprising a first opening portion (31) and a first body portion (32) which are distributed in sequence in a first direction, the first body portion (32) being further away from the opening (213) than the first opening portion (31), and the end cover (212) being welded to the first opening portion (31) so as to close the opening (213). The first opening portion (31) comprises a plurality of first thickened regions (311) and at least one first transition region (312), wherein the plurality of first thickened regions (311) are arranged spaced apart from each other in the first direction, two adjacent first thickened regions (311) are connected by means of the first transition region (312), the maximum thickness of the first thickened region (311) is greater than the thickness of the first body portion (32), the maximum thickness of the first transition region (312) is greater than or equal to the thickness of the first body portion (32), and the maximum thickness of the first thickened region (311) is greater than the maximum thickness of the first transition region (312), such that the reliability of the battery cell (20) can be improved.
Resumen de: WO2025171771A1
A battery cell (10) and an electric device. The battery cell (10) comprises a housing (100), an electrode assembly (200) disposed in the housing (100), and an electrode terminal (310) disposed at a wall portion of the housing (100), wherein the electrode assembly (200) comprises a plurality of first electrode sheets (210) and a plurality of second electrode sheets (220) which stacked in a first direction (X), a first empty foil area (211) is formed at a first corner of each first electrode sheet (210), each second electrode sheet (220) is provided with a first notch (221), and when observed in the first direction (X), the first empty foil areas (211) at least partially overlap with the first notches (221); and the electrode terminal (310) is electrically connected to the first empty foil areas (211), and the electrode terminal (310) does not protrude from the housing (100) in a length direction (Y), a width direction (Z) and a thickness direction of the housing (100). A space that is reserved between the electrode assembly (200) and the housing (100) and used for accommodating the first empty foil areas (211) is small, so that the energy density of the battery cell (10) can be improved, and when the battery cell (10) is subjected to an external force or falls, the possibility of a short circuit caused by the first empty foil areas (211) coming into contact with the second electrode sheets (220) is also smaller. The electrode terminal (310) does not protrude from the housing (
Resumen de: WO2025173287A1
In order to provide a deterioration index of a battery for calculating and presenting degradation of fuel consumption due to deterioration of the battery and determining the appropriateness of replacement of the battery, the present invention proposes a battery replacement determination method for a series hybrid system, the method involving, in the series hybrid system, calculating and outputting fuel consumption in the case where the battery is replaced, on the basis of the capacity deterioration ratio and the resistance deterioration ratio of the battery and of on/off information regarding an engine or a fuel cell (see fig. 1).
Resumen de: US2025266558A1
An energy storage apparatus includes an energy storage assembly including a spacer including a spacer main body, and a first energy storage device on one side in a first direction of the spacer main body, where the spacer main body includes a first surface opposed to the first energy storage device, and a second surface at a position in a second direction of the first surface intersecting the first direction, the position being recessed relative to the first surface, the energy storage assembly includes a first opening connecting a first space between the second surface and the first energy storage device to an external space, and being positioned in the second direction of the energy storage assembly, and the spacer protrudes on the one side in the first direction from the spacer main body, and includes a first wall opposed to the first energy storage device in the second direction.
Nº publicación: US2025266424A1 21/08/2025
Solicitante:
SEMICONDUCTOR ENERGY LABORATORY CO LTD [JP]
SEMICONDUCTOR ENERGY LABORATORY CO., LTD
Resumen de: US2025266424A1
A positive electrode active material which can improve cycle characteristics of a secondary battery is provided. Two kinds of regions are provided in a superficial portion of a positive electrode active material such as lithium cobaltate which has a layered rock-salt crystal structure. The inner region is a non-stoichiometric compound containing a transition metal such as titanium, and the outer region is a compound of representative elements such as magnesium oxide. The two kinds of regions each have a rock-salt crystal structure. The inner layered rock-salt crystal structure and the two kinds of regions in the superficial portion are topotaxy; thus, a change of the crystal structure of the positive electrode active material generated by charging and discharging can be effectively suppressed. In addition, since the outer coating layer in contact with an electrolyte solution is the compound of representative elements which is chemically stable, the secondary battery having excellent cycle characteristics can be obtained.
BOPI
Sede Electrónica
