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LITHIUM AND MANGANESE RICH POSITIVE ACTIVE MATERIAL COMPOSITIONS

Resumen de: US2025266439A1

A positive electrode active material may include a compound represented by the formula Li(1.1+a)Mn(0.51+c)Ni(0.38-x)Mx-yNyO(2-b)Fb, wherein M is Co, Cr, or a combination thereof, N is W+6, Ta+5, V+5 or a combination thereof, 0≤a≤0.02, 0≤b≤0.1, 0≤c≤0.1, 0≤x≤0.1, and 0≤y≤0.04. A positive electrode may contain the positive electrode active material. A battery may contain the positive electrode.

POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025266448A1

A positive electrode material, a preparation method thereof, a positive electrode plate, a secondary battery, and an electric apparatus. The positive electrode material includes positive electrode material particles. The positive electrode material particle includes a matrix and a modifying element, where the matrix includes LiNixCoyMnzO2, where x≥0.8, y≤0.12, and x+y+z=1. The modifying element includes a rare earth element and/or a refractory metal element.

METHOD OF CONTROLLING BATTERY ASSEMBLY AND SYSTEM FOR BATTERY MANAGEMENT

Resumen de: US2025264893A1

A method of controlling a battery assembly comprising, measuring a pressure applied to a battery assembly to obtain a measured pressure value, receiving battery operating data of the battery assembly, estimating a sensitivity of battery input and output based on the measured pressure value and the battery operating data and generating a pressure control command based on the sensitivity of battery input and output and the battery operating data, wherein the sensitivity of battery input and output represents a sensitivity of the battery assembly to the pressure applied to the battery assembly.

IMMERSION COOLING TANK

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.

Battery Abnormality Diagnosis Apparatus and Operating Method Thereof

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.

APPARATUS AND METHOD FOR ESTIMATING CAPACITY OF BATTERY

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.

BATTERY MANAGING APPARATUS AND METHOD THEREOF

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.

METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY, AND ALL-SOLID-STATE BATTERY

Resumen de: WO2025173555A1

The present invention provides a method for manufacturing an all-solid-state battery with which it is possible to suppress warpage.　The present invention pertains to a method for manufacturing an all-solid-state battery provided with a positive electrode current collector layer 2, a pair of positive electrode active material layers 3, a pair of solid electrolyte layers 4, and a pair of negative electrode active material layers 5, the method including: a step for preparing the pair of solid electrolyte layers 4 which are formed of an oxide solid electrolyte and each have a first main surface 4a and a second main surface 4b that are opposite to each other; a positive electrode mixture layer formation step in which a positive electrode mixture layer that contains a positive electrode active material precursor is formed on respective first main surfaces 4a of the pair of solid electrolyte layers 4, thereby obtaining a pair of positive electrode mixture-equipped solid electrolyte layers; a positive electrode formation step for forming the pair of positive electrode active material layers 3 by arranging the pair of positive electrode mixture-equipped solid electrolyte layers so as to face each other with the positive electrode current collector layer 2 being sandwiched therebetween, while having main surfaces of the respective positive electrode mixture layers and main surfaces of the positive electrode current collector layer 2 in contact with each other, and subsequently firing

NON-AQUEOUS ELECTROLYTE ELECTRIC POWER STORAGE ELEMENT

Resumen de: WO2025173655A1

A non-aqueous electrolyte electric power storage element according to one aspect of the present invention comprises a positive electrode, a negative electrode, and a separator that is disposed between the positive electrode and the negative electrode. The negative electrode contains a negative electrode active material containing at least one element selected from the group consisting of silicon, tin, and aluminum. The creep deformation in the separator after a load of 2 MPa is retained for 60 seconds at a temperature of 65°C is 0.1 or less, and the air permeability resistance of the separator is 120 seconds/100 mL to 200 seconds/100 mL.

POWER STORAGE DEVICE

Resumen de: WO2025173630A1

This power storage device comprises a power storage element, a spacer, and an exterior body. The spacer includes: a spacer body opposing the power storage element in a first direction, which is the direction of alignment of the power storage element and the spacer; and a spacer projection part projecting from the spacer body on one side in a second direction, which is a direction intersecting the first direction. The exterior body includes a bottom part on one side, in the second direction, of the power storage element and the spacer. The bottom part includes a bottom wall that forms a space between the power storage element and the spacer. The spacer projection part includes a first wall section that is disposed in the space and that extends to one side in the first direction, which is the direction facing the power storage element.

POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

Resumen de: WO2025173605A1

This positive electrode material for a lithium ion secondary battery includes an aggregate composition of positive electrode active material particles in which a carbonaceous film is formed on a surface of lithium metal phosphate particles represented by general formula (1) (LixAyDzPO4; where A is Co, Mn, Ni, Fe, or the like). The aggregate composition includes a first aggregate having a crystal grain size of the positive electrode active material particles of 200 nm or more and 2000 nm or less, and a second aggregate having a crystal grain size of the positive electrode active material particles of 50 nm or less. The positive electrode material has high Li ion conductivity, is excellent in load characteristics, and can suppress a decrease in capacity retention rate due to the number of cycles when a battery is cycled through charging and discharging.

BATTERY-CUSHIONING MEMBER

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.

SOLID STATE BATTERY APPARATUS

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.

WIRELESS BATTERY MANAGEMENT DEVICE, BATTERY PACK INCLUDING THE SAME, AND DEVICE INCLUDING THE BATTERY PACK

Resumen de: US2025266510A1

A wireless battery management device includes: a first battery management module located inside a first case which houses battery modules, and configured to comprehensively manage the battery modules; a first wireless communication chip located inside the first case, and connected to the first battery management module; second battery management modules respectively located inside second cases formed including a metal material, each of which houses the battery modules, and configured to monitor and manage states of the battery modules, respectively; and second wireless communication chips respectively located inside the second cases, each of which is connected to the second battery management modules, and configured to communicate wirelessly with the first wireless communication chip, wherein the second cases include first openings formed respectively at positions facing the second wireless communication chips.

BATTERY MANAGEMENT SYSTEM AND BATTERY MANAGEMENT METHOD

Resumen de: US2025266513A1

A battery management system includes multiple measurement circuits, a communication circuit performing communication with each of the multiple measurement circuits, and a battery manager managing each of multiple batteries. The battery manager acquires a turnaround time for each of the multiple measurement circuits, measures a communication delay time between each of the multiple measurement circuits and the communication circuit for each of the multiple measurement circuits based on the turnaround time, and aligns timings at which each of the multiple measurement circuits performs analog-to-digital conversion on measurement data of at least one of a voltage and a current transmitted, based on the turnaround time corresponding to each of the multiple measurement circuits.

Energy storage system

Resumen de: AU2025210834A1

An energy storage system is provided, which includes a structural cabinet, and a battery module and a thermal management unit mounted in the structural cabinet. The thermal management unit includes a liquid cooling unit, an air-cooling heat dissipation module, and a liquid cooling management module for managing the distribution of a cooling liquid of the liquid cooling unit. The liquid cooling unit, the air-cooling heat dissipation module, and the liquid cooling management module are separately mounted and arranged in a split manner in the structural cabinet. Compared with the conventional one-piece thermal management unit, the energy storage system is divided into three functional modules, the size of each functional module is greatly reduced, which facilitates the arrangement and the full utilization of available space of the structural cabinet, and ultimately facilitates the improvement of the integration level of the entire energy storage system, in this way, more battery modules can be arranged in a limited space, that is, the overall power density of the entire energy storage system is improved. An energy storage system is provided, which includes a structural cabinet, and a battery module and a thermal management unit mounted in the structural cabinet. The thermal management unit includes a liquid cooling unit, an air-cooling heat dissipation module, and a liquid cooling management module for managing the distribution of a cooling liquid of the liquid cooling unit. The

TEMPERATURE CONTROL METHOD, APPARATUS AND DEVICE FOR BATTERY PACK, AND NEW ENERGY VEHICLE

Resumen de: AU2024260743A1

The present application relates to the technical field of new energy vehicles, in particular to a temperature control method, apparatus and device for a battery pack, and a new energy vehicle. The temperature control method for a battery pack comprises: acquiring the maximum temperature value and the minimum temperature value in a battery pack; performing comparison to determine whether the difference between the maximum temperature value and the minimum temperature value is greater than a design threshold, and whether the maximum temperature value is greater than or equal to a first tolerable temperature threshold of the battery pack; and if so, starting a compressor, a first water pump and a stop valve, so that the first water pump drives a cooling liquid to enter inside the battery pack, and heat exchange is performed between a refrigerant of a cooler and heat generated by the battery pack. In the present application, the flow rate of the refrigerant can be actively adjusted according to a temperature difference inside a battery, thereby realizing fine control over the temperature inside the battery pack, preventing thermal runaway of the battery pack due to non-uniform discharge, and prolonging the service life of the battery pack.

REDUNDANCY FOR BATTERY PROTECTION

Resumen de: AU2024231697A1

A battery assembly includes an enclosure including a plurality of battery cells, and a sensor within the enclosure. The sensor is configured to measure a parameter within the enclosure, and generate a sense signal. The battery assembly further includes a processor within the enclosure, wherein the processor is configured to process the sense signal and generate information associated with the sense signal. A first communication link is configured to transmit, from the enclosure to a system that is external to the enclosure, a discrete signal indicative of whether the sense signal indicates a fault condition. A second communication link is configured to transmit, from the enclosure to the system, a digital signal including the information. Thus, transmitting the discrete signal over the first communication link and the information associated with the sense signal over the second communication link provides redundancy and improves reliability of the battery assembly.

BATTERY SYSTEM AND OPERATING METHOD THEREOF

Resumen de: AU2024316702A1

In a battery system and an operating method thereof according to embodiments of the present invention, as a virtual machine recognizes in real time and executes updated control logic from a control logic generation apparatus, the updated control logic can be executed without stopping the battery management system, thereby providing software that enables highly efficient battery management and operation.

SYSTEM AND METHOD FOR THERMAL RUNAWAY DETECTION IN AN ELECTRICAL ENERGY STORAGE DEVICE

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.

BATTERY INFORMATION GENERATING APPARATUS AND METHOD

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.

METHOD AND SYSTEM FOR VERIFYING BATTERY INTEGRITY

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.

MEASUREMENT DEVICE AND ESTIMATION SYSTEM

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.

BATTERY MONITORING DEVICE

Resumen de: US2025264540A1

A detection controller controls the path switching unit and A/D converter in a battery monitoring device; and detects the respective voltages of the battery cells in a time-division manner based on a digital signal from the A/D converter. When detecting the voltage of a target battery cell, the detection controller controls to connect the detection path to the A/D converter. If the potential difference between the voltage of a present target battery cell and either the voltage of the target battery cell connected to the A/D converter by the detection path in the previous instance or the voltage at a predetermined point in the path switching unit and the A/D converter exceeds a predetermined threshold, a non-detection period is set before detecting the voltage of the present target battery cell. During this non-detection period, a non-detection path with a smaller time constant is connected to the A/D converter.

ELECTRICAL STORAGE ELEMENT AND ELECTRICAL STORAGE DEVICE

Nº publicación: WO2025173583A1 21/08/2025

Solicitante:

GS YUASA INT LTD [JP]
\u682A\u5F0F\u4F1A\u793E\uFF27\uFF33\u30E6\u30A2\u30B5

Resumen de: WO2025173583A1

An electrical storage element according to one embodiment of the present invention is characterized by comprising an electrode body which has a plurality of electrode sheets laminated therein, a container that accommodates the electrode body, and a pair of electrode terminals that are electrically connected to the electrode body. The electrical storage element is further characterized in that: the container is formed in a rectangular shape which, as viewed in a first direction being a predetermined horizontal direction, is long in a second direction that is horizontal and orthogonal to the first direction, and which has a cutout shape at two corners, among the four corners thereof, on at least one side in the vertical direction; each cutout shape is formed of a first surface that, as viewed in the first direction, extends from the short side of the rectangular shape toward the center of the rectangular shape in the second direction, and a second surface that extends from a leading-end side of the first surface toward the long side, of the rectangular shape, on one side in the vertical direction; and each electrode terminal is formed in an L-figure shape extending along the first surface and the second surface.