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1121
results.
Updated on
23/04/2026 [07:21:00]
Results 625 to 650 of 1121
Absstract of: US20260100441A1
0000 A battery pack has battery cells, a first case body accommodating the battery cells, a second case body provided above the battery cells accommodated in the first case body and accommodating the battery cells, a first water jacket provided on a bottom portion of the first case body and configured to allow a refrigerant to flow therethrough to adjust a temperature of the battery cells accommodated in the first case body, and a second water jacket provided on a bottom portion of the second case body, communicating with the first water jacket, and configured to allow the refrigerant to flow therethrough to adjust a temperature of the battery cells accommodated in the second case body. The second case body has an erect wall erected around the second water jacket, and a discharge portion configured to discharge the refrigerant leaking from the second water jacket to the first case body.
Absstract of: US20260100440A1
0000 A battery pack has a plurality of cell laminates in which battery cells are stacked, a battery case accommodating the cell laminates, and a water jacket provided below the cell laminates and configured to allow a refrigerant for adjusting a temperature of the cell laminates to flow therethrough. The plurality of cell laminates include a first cell laminates group provided on one side in a predetermined direction and a second cell laminates group provided on the other side in the predetermined direction. The water jacket has a branch that branches into at least a first flow path and a second flow path from an inlet. The refrigerant flows through the first flow path in order of the first cell laminates group and the second cell laminates group. The refrigerant flows through the second flow path in order of the second cell laminates group and the first cell laminates group.
Absstract of: US20260098909A1
A battery monitoring system for a battery of a battery electric system includes a sensor array, a processor, and memory. Execution of the instructions by a processor according to a method causes the processor to receive parameters of the battery from the sensor array, calculate a rate of increase of an internal resistance (ΔR ratio) of the battery across multiple states of charge of the battery, compare the ΔR ratio to one or more degradation thresholds, and record a corresponding degradation level of the battery in the memory when the ΔR ratio exceeds the degradation threshold(s). A state of health notice may be transmitted to a remote device.
Absstract of: US20260100464A1
An energy storage device includes at least one energy storage module and a case. Each of the at least one energy storage module includes a plurality of electrode sheets including a bipolar electrode sheet, and a sealant. The bipolar electrode sheet includes a current collector foil, a cathode active material layer, and an anode active material layer. Each of the end faces of the energy storage module in a first direction includes an electrode-facing region and a non-electrode-facing region. In each of the end faces of the energy storage module in the first direction, at least part of the non-electrode-facing region is bonded to another adjacent energy storage module or the case via an adhesive.
Absstract of: US20260098907A1
A battery management system and method for extending battery lifetime is provided. In a test mode, the battery management system controls a charging frequency of a battery cell according to a plurality of pulse wave modulation signals respectively within a plurality of time intervals. The battery management system monitors impedances of the battery cell respectively within the plurality of time intervals or a plurality of capacitance ranges. The battery management system compares the impedances with each other to select one of the impedances, and sets a frequency of the pulse wave modulation signal that is outputted for controlling the charging frequency of the battery cell such that the battery cell has the selected impedance, as a practical frequency in a practical use mode. As a result, an increase in the impedance of the battery cell is delayed so as to extend lifetime of the battery cell.
Absstract of: US20260098834A1
The present disclosure relates to a secondary battery inspection apparatus, a secondary battery inspection method, and a secondary battery manufacturing method, and the problem solved by the present disclosure is to identify an internal state of a secondary battery in a non-destructive manner. A secondary battery inspection apparatus according to one embodiment includes a magnetic field generator configured to apply a magnetic field to the secondary battery to be tested, a high frequency generator configured to generate a high frequency of a predetermined frequency and apply the high frequency to the secondary battery to be tested, a sensor configured to detect electromagnetic waves emitted from the secondary battery to be tested to which the high frequency is applied while the magnetic field is applied and a processor configured to determine an internal state of the secondary battery to be tested using the emitted electromagnetic waves detected by the sensor.
Absstract of: US20260100598A1
The present disclosure relates to a battery protection circuit module and a method of protecting a battery using the same, and more particularly, to a battery protection circuit module that prevents an overvoltage protection malfunction and a method of protecting a battery using the same. A battery protection circuit module may include a first integrated circuit (IC) disposed relatively closely to an output stage, a first field effect transistor (FET) connected to the first IC, a second IC disposed relatively closely to an input stage, a second FET connected to the second IC, and a first shunt resistor disposed at a preset node by considering a difference between voltages recognized by the first IC due to a second shunt resistor and the second FET that are connected to the second IC.
Absstract of: WO2026074970A1
A battery module (15) comprises a plurality of battery cells (30) and a plurality of heat storage members (40). The heat storage members (40) absorb heat generated by the battery cells (30). The heat storage members (40) are, for example, a PCM (Phase Change Material) that changes phase between a solid and a liquid. The number of heat storage members (40) is less than the number of battery cells (30). The positive electrode of the battery cells (30), for example, may contain a first active material and a second active material. The first active material may have a crystal of a layered rock salt structure. The second active material may have crystals of an olivine structure.
Absstract of: US20260100595A1
0000 A unique system for the implementation of a multi cell battery pack whereby the individual cells are organized in different configurations for discharge or charging operation is presented. Battery pack discharge operation utilizes a series (stacked) configuration capable of producing a high output voltage necessary for the application. In contrast, charging operation configures the individual cells into a parallel (single layer) organization offering a simple fast charge operation provided by natural current sharing of the cells. Switch over between the two configurations is achieved using switching array implemented by low-cost N-channel MOSFET devices. Usage of dual modes for battery charge/discharge operation offers a simplified implementation with the highest performance. An application is also described where the present invention is used as a compatible replacement of a standard 12V lead acid automotive battery.
Absstract of: WO2026074792A1
A battery unit (11) comprises: battery sections (20, 21, 22); a slave communication device (30) that detects battery information; a master communication device (40) that controls the slave communication device; and a conductive housing (50) that accommodates the aforementioned components. In the battery unit, the slave communication device is disposed in a slave-side passage (70) surrounded by the inner surface of the housing and the outer surfaces of the battery sections in a first direction. A radio wave of wireless communication transmitted from the master communication device passes through at least the slave-side passage as a propagation path and is received by the slave communication device. When a wavelength of the radio wave used in the wireless communication is denoted by λ, a dimension of the slave-side passage in a second direction orthogonal to the first direction is not less than 1/2 × λ and less than 1 × λ.
Absstract of: WO2026073301A1
Disclosed herein is a cathode for an all-solid state lithium battery, the cathode comprising a cathode active material, a sulfide-containing inorganic solid electrolyte material, and an oxygen-functionalised conductive carbon material; wherein the oxygen-functionalised conductive carbon material comprises from about 0.5 wt.% to about 20 wt.% of oxygen atoms, based on the total weight of the oxygen-functionalised conductive carbon material. Also disclosed herein is an all-solid state lithium battery comprising the cathode.
Absstract of: DE102026107592A1
Die Erfindung betrifft ein Verfahren zur Herstellung einer Elektrodenfolienanordnung (1) für eine Einzelzelle, wobei zwischen einer Elektrodenfolie (2) und einer weiteren Elektrodenfolie (3) jeweils eine Separatorfolie (4) angeordnet wird, Erfindungsgemäß ist vorgesehen, dass die Separatorfolie (4) eine durch Wärme schmelzende Beschichtung aufweist und nach jeweiliger Anordnung einer Separatorfolie (4) auf einem Folienstapel dieser mittels einer auf einem vorgegebenen Temperaturwert erwärmten Druckvorrichtung (6) verpresst wird. Weiterhin betrifft die Erfindung eine Vorrichtung zur Durchführung des Verfahrens.
Absstract of: WO2026074751A1
This separator is used in a zinc secondary battery. The separator comprises an inorganic compound in which pores are formed. The average pore diameter of the inorganic compound is at least 0.3 nm and at most 10 nm. When a liquid tank in which two tubes each having an inner diameter of 6 mm protrude upward, which is partitioned into two chambers by a separator having a diameter of 26 mm, and which is filled with a 6M KOH aqueous solution is used as a measurement device, the liquid permeation amount measured 168 hours after the liquid level difference of the tubes is set to 70 cm is at least 0.05 mL and at most 5 mL.
Absstract of: US20260100486A1
Provided is a technology for reducing the risk of molten metal splattering when welding a metal member including a first member made of metal and a second member made of metal, which are laid on top of each other, to another metal member. The metal member disclosed herein includes the first member made of metal and the second member made of metal. The second member has a space, in which gas can accumulate, between the first member and the second member. The second member has a ventilation hole that communicates the space with outside air.
Absstract of: US20260100396A1
A method for manufacturing a battery includes conveying a heated bipolar electrode stack in the form of an elongated sheet by a conveyor roller. In the method of the present disclosure, a first electrode active material layer includes a plurality of island portions extending in a conveying direction, and at least one gap extending in the conveying direction is present between the island portions. A temperature drop of the bipolar electrode stack as the bipolar electrode stack passes over the conveyor roller is 30° C. or more. The conveyor roller includes a recess positioned to overlap with the gap or the opposite side of the bipolar electrode stack from the gap such that at least part of the gap or the opposite side of the bipolar electrode stack from the gap does not contact the conveyor roller.
Absstract of: US20260100398A1
0000 The present disclosure relates to apparatus, systems, and methods for continuous motion battery stacking by picking singulated electrodes and separators and placing each into a stack secured on a downstream process of a battery stacking system. The continuous singulated battery stacking system includes a rotating electrode transfer device integrated with a deformable shoe mechanism for handling electrodes during high-precision stacking processes and adjusting dynamically to the shape of the in-feed and downstream conveying surfaces, allowing for smooth, continuous contact during pick-and-place operations. This flexibility ensures consistent pressure distribution and minimizes the risk of misalignment or damage during transfer. Adapting in real time, the deformable shoe enhances alignment, reduces machine wear, and maintains high accuracy in stacking processes, especially for sensitive materials like lithium foil or separators. This innovation optimizes high-speed stacking, contributing to improved battery manufacturing efficiency and reliability.
Absstract of: US20260100468A1
0000 An intrinsically safe battery assembly includes a battery pack including at least one battery and a protection circuit connected in series with the battery pack. The protection circuit includes the following elements connected in series: at least one diode configured to prevent the battery pack from being reversely charged, at least one current limiting resistor configured to provide short circuit protection and a resettable fuse configured to provide over current protection.
Absstract of: US20260100438A1
0000 A secondary battery, includes a case having an accommodation part and a cap part, an electrode assembly having a current collector in the accommodation part, an electrode tab in the accommodation part, the electrode tab being connected to the electrode assembly, a lead connected to the electrode tab, and a heat dissipation layer on the electrode tab, the electrode tab including at least two bending regions and a non-bending region, the heat dissipation layer on the at least two bending regions and the non-bending region, and a width of the electrode tab is 25% to 45% of a width of a current collector of the electrode assembly.
Absstract of: US20260098906A1
0000 A method of predicting battery end of life based on a small dataset of sensor data include training a deep learning network using a plurality of a priori generated training datasets, receiving sensor data from a plurality of sensors in real-time coupled to one or more cells in a battery pack as the one or more cells are used in a present discharge cycle to thereby generate a plurality of new unseen sensor datapoints, and applying the new unseen sensor datapoints to the trained deep learning network to thereby generate operational recommendations to achieve one or both of i) extend end of life of the battery pack, and ii) extend operational time of the battery pack during the present discharge cycle or a future discharge cycle.
Absstract of: US20260100410A1
0000 A computer-implemented method for fabricating a solid state battery includes identifying locations in a solid-state battery where defects are likely to occur. A self-healing material profile is determined relative to solid-state battery component material to counter defect growth in the locations. The solid-state battery is printed in accordance with the self-healing material profile.
Absstract of: US20260100409A1
0000 A method and apparatus for storing electricity using a rechargeable electrochemical dual-pole-cell with a coiled aluminum wire disc as the anode, graphite-based sheets as cathodes, and solid electrolyte discs. The invention teaches the use of inexpensive materials, simplified dual-pole-cell construction, assembling of dual-pole-cells into power modules, and power modules into battery power packs.
Absstract of: WO2026073338A1
There is provided a two-melt chemical synthesis steps process for the preparation of a lithium metal phosphate (LiMPO4) cathode material, wherein the metal (M) is iron and/or manganese. The process comprises: a first step of mixing a lithium source and a phosphorus source in a first melt reactive pool at a temperature of about 650°C or more to form liquid LiPO3 (LiPO3(l)); and a second step of contacting the LiPO3(l) with a 'metal-oxygen' source ('M-O' source) to form LiMPO4 in a second melt reactive pool held at a temperature above the melting point of LiMPO4. Metallic iron and/or metallic manganese may be used as sole metal sources and heat from the Joule effect produced may constitute a further heating means for the pool.
Absstract of: WO2026075446A1
A battery pack according to the present invention has battery cells, a battery module comprising a module frame of which one side is open and which accommodates the battery cells, and a cover plate which covers the open side of the module frame, and a pack frame configured to support and accommodate the battery module, wherein the module frame, the cover plate, the pack frame can be fixed by coupling members.
Absstract of: DE102024209777A1
Die Erfindung betrifft eine Batterieeinheit (1), umfassend n Batteriezellen (BZ1 - BZn), die in Reihe geschaltet sind, und ein Steuergerät (3), wobei parallel zu den Batteriezellen (BZ1 - BZn) Elemente für ein Zellenbalancing angeordnet sind, wobei die Elemente Zenerdioden (D1 - Dn) aufweisen, die unmittelbar parallel zu den Batteriezellen (BZ1 - BZn) angeordnet sind, wobei die Durchbruchspannung der Zenerdioden (D1 - Dn) auf die Ladeschlussspannung (ULSS) der Batteriezellen (BZ1 - BZn) angepasst ist sowie ein Verfahren zum Laden einer Batterieeinheit (1).
Nº publicación: WO2026074930A1 09/04/2026
Applicant:
AGC INC [JP]
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Absstract of: WO2026074930A1
A resin composition for a power storage device, comprising a polymer and a liquid medium, wherein the polymer contains 1-90 mass% of a structural unit derived from an unsaturated carboxylic acid, 1-90 mass% of a structural unit derived from an unsaturated carboxylic acid ester having a number average molecular weight of less than 1,300, and 1-30 mass% of a structural unit derived from an unsaturated carboxylic acid ester having a number average molecular weight of 1,300 to 36,000.
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