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1092
resultados
Última actualización
27/08/2025 [07:25:00]
Resultados 125 a 150 de 1092
Resumen de: US2025264916A1
An immersion cooling tank includes a tank body and a liquid flow tube. The tank body holds a coolant and an electronic device. The tank body defines an inlet and an outlet. The inlet and the outlet are respectively located at opposite ends of the electronic device for inputting and outputting the coolant. The coolant flows through the electronic device. The liquid flow tube includes at least one adjuster. The liquid flow tube is located inside the tank body and coupled to at least one of the inlet or the outlet. The at least one adjuster faces the electronic device for controlling an amount of the coolant flowing in or out of the tank body.
Resumen de: US2025264546A1
A battery abnormality diagnosis apparatus includes an obtaining unit configured to obtain voltage-state-of-charge (SOC) profiles of a plurality of battery units, an identifying unit configured to identify a designated first number of ranks of each of the plurality of battery units, based on the voltage-SOC profiles, and a diagnosing unit configured to diagnose abnormality of the plurality of battery units, based on changes of the ranks.
Resumen de: US2025264539A1
A battery capacity estimating apparatus according to an embodiment of the present disclosure includes: a measurement unit that measures the pack capacity of a battery pack and the voltage of each of a plurality of batteries included in the battery pack during a charging-discharging process; and a control unit. The control unit is configured to calculate the relative capacity ratio among the plurality of batteries based on the voltage range of each of the plurality of batteries, and estimate the capacity of each of the plurality of batteries based on the pack capacity and the relative capacity ratio.
Resumen de: US2025266532A1
A battery pack to be installed in an electric mobile object includes a battery cell, and a cold storage member configured to cool the battery cell. The cold storage member includes a supporter that has a wall defining a space therein, a cold storage material that is disposed in the space and supported by the supporter, and a beam that bridges the wall. The supporter and the beam are made of a material that has a better thermal conductivity than the cold storage material.
Resumen de: US2025266533A1
Provided are metal-air scavenger systems that use metal surfaces to harvest energy for powering microelectronic devices; such devices can be attached to exposed metal surfaces and then generate power by electrochemically oxidizing the metal surface. The disclosed devices can be configured to effect relative motion between the device and the metal, thus allowing the device to utilize a metal surface to generate power and also allowing the device to feed metal to itself to generate power.
Resumen de: US2025266489A1
A rechargeable battery of the present disclosure includes an electrode assembly comprising a plurality of electrodes stacked together and having a separator disposed between respective ones of the plurality of electrodes, and an adhesive member disposed at at least two of corner parts of the electrode assembly and attached to cover an upper surface, side surface, and lower surface of the electrode assembly.
Resumen de: US2025266529A1
A battery pack includes a plurality of battery cells, a tab that connects the battery cells, and a channel that is formed inside the tab and through which a refrigerant for cooling the battery cell flows.
Resumen de: US2025266461A1
An object of the present disclosure is to provide an electrode mixture that can improve battery capacity, and a battery comprising the electrode mixture. The electrode mixture of the disclosure comprises hard carbon. The electrode mixture of the disclosure comprises a metal oxide. The metal element constituting the metal oxide is a period 4 d-block element, and the ratio of the mass of the metal oxide with respect to the total mass of the hard carbon and metal oxide is less than 10 mass %. The battery of the disclosure comprises a negative electrode collector layer, negative electrode active material layer, electrolyte layer, positive electrode active material layer and positive electrode collector layer in that order, and either the negative electrode active material layer or the positive electrode active material layer comprises an electrode mixture of the disclosure.
Resumen de: US2025266470A1
Electro-energy or electro-synthetic cells whose architectures allow them to be readily stacked into a cell stack. The cells include polymeric cell frames that incorporate within them, functional materials, such as an inter-electrode separator, electrodes, metallic bipolar plates, and the like. For example, an electro-energy or electro-synthetic cell includes a polymeric cell frame, a first electrode and a second electrode, and an inter-electrode separator positioned between the first electrode and the second electrode. A compressive component is positioned adjacent to the first electrode. The compressive component may be a metallic bipolar plate compressive component and/or a metallic porous transport layer compressive component. In one example the polymeric cell frame is sealed to the metallic bipolar plate by a polymer-to-metal join. In another example at least one polymeric structural locating component locates the metallic bipolar plate against the polymeric cell frame. A cell stack includes a plurality of the cells.
Resumen de: WO2025174108A1
The present invention provides an electrolyte for a lithium-sulfur battery and a lithium-sulfur battery comprising same, the electrolyte exhibiting excellent capacity retention and lifespan characteristics by comprising a predetermined non-aqueous solvent. An electrolyte for a lithium sulfur battery according to an embodiment of the present invention comprises a lithium salt and a non-aqueous solvent, wherein the non-aqueous solvent includes a linear ether-based solvent but not a cyclic ether-based solvent. The linear ether-based solvent includes a compound having a structure of chemical formula 1, and the compound having a structure of chemical formula 1 is contained at 35-70 vol% relative to the total 100 vol% of the non-aqueous solvent. Chemical formula 1 R1 and R1' are each independently a linear or branched alkylene group having 1 to 10 carbon atoms, a linear or branched alkenylene group having 1 to 10 carbon atoms, a cycloalkylene group having 3 to 10 carbon atoms, or an arylene group having 6 to 10 carbon atoms.
Resumen de: WO2025174125A1
A method for generating battery information according to an embodiment of the present invention comprises: a profile acquisition step of acquiring a differential profile indicating a correlation between a voltage and a differential capacity of a battery; a peak detection step of detecting a peak from the differential profile; a voltage comparison step of comparing a peak voltage corresponding to the peak with a preset reference voltage; a measurement resistance determination step of discharging the battery and determining, as a measurement resistance, a resistance measured for a predetermined time from a timepoint at which the discharge of the battery is started; and a diagnosis resistance determination step of determining a diagnosis resistance of the battery on the basis of the measurement resistance according to the comparison result of the voltage comparison step.
Resumen de: WO2025174070A1
The present invention relates to a method for producing a silicon nitride composite, the method comprising: (S1) a step for mixing an amorphous silicon nitride powder and a reducing agent powder; and (S2) a step for crystallizing at least a portion of the silicon contained in the amorphous silicon nitride by heat-treating the mixed powder. The method can be used to produce the silicon nitride composite at a low cost using a simple process. The silicon nitride composite produced by the method has both a crystalline portion and an amorphous portion, and thus can improve capacity, rate capability, and lifespan characteristics when used as a negative electrode for a lithium secondary battery.
Resumen de: WO2025173925A1
A battery diagnostic method according to an embodiment of the present invention is a method for diagnosing a battery having a positive electrode using an active material, and includes the steps of: generating a differential profile indicating a correspondence relationship between a differential capacity, which is the derivative of the capacity of the positive electrode with respect to the potential of the positive electrode, and the potential of the positive electrode; generating a plurality of Gaussian curves that form a curve corresponding to the differential profile when combined; using the plurality of Gaussian curves to generate diagnostic information about the redox reaction amount of one or two or more elements among a plurality of different elements included in the active material; and diagnosing the battery on the basis of the diagnosis information.
Resumen de: US2025264544A1
A battery managing apparatus according to an embodiment of the present disclosure includes a profile acquisition unit configured to acquire a first profile for each of a plurality of batteries included in a battery pack; and a diagnosis unit configured to calculate a target value based on a capacity value for each of the plurality of batteries as a diagnostic factor on a basis of a first target point included in each of a plurality of first profiles, generate a distribution profile indicating a correspondence relationship between a plurality of calculated target values and the number of each of the plurality of target values, determine whether the distribution profile satisfies a predetermined condition, and diagnose a state of the battery pack according to a determination result.
Resumen de: US2025264538A1
A computer system for thermal runway detection in an electrical energy storage device has a high voltage electrical energy storage device, a low voltage electrical energy storage device, thermal runaway detection sensors to detect thermal runaway events in cells or modules of the high voltage electrical energy storage device, the low voltage electrical energy storage supplying power to the thermal runaway detection sensors via a first power supply line, a first switch in the first power supply line between the low voltage electrical energy storage device and the thermal runaway detection sensors, a second switch in a power supply line between the high voltage electrical energy storage device and the thermal runaway detection sensors. The computer system has processing circuitry to in response to a first condition, open the second switch and engage the first switch, and in response to a second condition, open the first switch and engage the second switch.
Resumen de: US2025264541A1
A battery information generating method according to an embodiment of the present disclosure includes obtaining a differential profile representing a corresponding relationship between a voltage and a differential capacity of a battery; detecting a peak in the differential profile; comparing a peak voltage corresponding to the peak with a preset reference voltage; determining a measurement resistance of the battery by determining a resistance during discharging of the battery for a predetermined time from a discharge start point; and determining a diagnostic resistance of the battery based on the measurement resistance according to a comparison result of comparing the peak voltage corresponding to the peak with the present reference voltage.
Resumen de: US2025264533A1
A method of verifying battery integrity includes: collecting first data associated with electrochemical characteristics of a cell included in a battery; generating a first hash value associated with the cell based on the first data; and monitoring the battery based on the first hash value.
Resumen de: US2025264555A1
Provided is a measurement device which measures a magnetic flux density emitted from a battery cell, comprising: a sensor including sensor cells which measure the magnetic flux density; and a rotation holding unit which rotatably holds the battery cell in a state where a relative position of the battery cell with respect to the sensor cells is retained. The rotation holding unit may hold the battery cell such that the relative position between the battery cell and the sensor is changeable. The rotation holding unit may include a rotating portion which rotates the battery cell. The rotation holding unit may move the sensor cells with respect to the battery cell.
Resumen de: US2025266531A1
Disclosed are battery cells and battery modules including a battery cell. The battery cells and battery modules are capable of releasing a high-temperature/high-pressure gas if thermal runaway occurs in a battery cell so as to protect other battery cells. The battery module includes a battery cell including a safety vent on a top surface thereof, a case configured to accommodate the battery cell, and an insulating cover disposed on a top surface of the battery cell and including a section disposed on the safety vent, wherein the section includes a notch.
Resumen de: US2025266453A1
This negative electrode material for a lithium ion secondary battery may include a composite particle, a silicon carbide layer, and a coating layer. The composite particle may include amorphous carbonaceous particles and amorphous silicon particles having an average primary particle size of 1 nm or more and 50 nm or less. The silicon carbide layer may be located between the composite particle and the coating layer. A film thickness of the silicon carbide layer may be 1 nm or more and 100 nm or less. The coating layer may include a compound of magnesium or fluorine.
Resumen de: US2025266521A1
A battery unit includes: a connecting portion electrically connectable to an electrical apparatus in which the battery unit is mounted; a cell that allows supply of electric power to the electrical apparatus; a relay that switches between a conductive state in which a power supply line between the connecting portion and the cell is electrically connected and an interrupt state in which the power supply line is electrically interrupted; a first notification device that operates, when being supplied with electric power, to allow an operating state to be recognized from outside; and a first supply source that supplies electric power to the first notification device when the first supply source is connected to the first notification device and the relay is in the conductive state.
Resumen de: US2025266535A1
A casing (100, 201, 202, 300) containing at least one electrode jelly roll assembly, wherein the casing comprises a folded sheet (110, 210, 310), defining a first open end portion (113) and a second open end portion (114) arranged on opposite sides of the casing. The folded sheet comprises a first sheet edge (111, 211) and a second sheet edge (112, 212) wherein the first sheet edge and the second sheet edge extend from the first open end portion to the second open end portion. The casing further comprises a joining plate (120, 220, 320) arranged to join at least a part of the first sheet edge and the second sheet edge, such that the folded sheet and the joining plate form a closed profile of the casing. Moreover, the casing comprises an interlocking structure (250) configured to secure the joining plate and the folded sheet.
Resumen de: US2025266455A1
This negative electrode is provided with a negative electrode current collector, and a negative electrode mixture layer formed on the negative electrode current collector, wherein: the negative electrode mixture layer comprises a first layer arranged on the negative electrode current collector, and a second layer arranged on the first layer; the second layer includes graphite particles A having a particle internal porosity of at most 10%: the first layer includes graphite particles B having a particle internal porosity of more than 10%; and the second layer has a water contact angle of at most 50°.
Resumen de: WO2025174013A1
A battery assembly according to one embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a fixing frame covering at least a portion of the battery cell stack; an outer frame in which the battery cell stack and the fixing frame are accommodated; and an inlet and an outlet for circulating a refrigerant into the outer frame.
Nº publicación: WO2025171764A1 21/08/2025
Solicitante:
XIAMEN AMPACK TECH LIMITED [CN]
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Resumen de: WO2025171764A1
A battery pack and an electrical device. The battery pack has a columnar structure. The battery pack comprises: a housing, the length L range of the housing: 510 mm ≤ L ≤ 650 mm, and the range of the radial cross sectional area S0 of the housing: 2100 mm 2 ≤ S0 ≤ 3200 mm 2. A battery cell assembly comprises a plurality of battery cells arranged in an accommodating space, the plurality of battery cells successively being arranged in the axial direction of the housing. At the ambient temperature of 25°C and at a discharge rate which is less than or equal to 1C, the volume energy density VED0 of the battery pack satisfies: VED0 ≥ 410 Wh/L.
BOPI
Sede Electrónica
