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1315
resultados
Última actualización
03/11/2025 [07:10:00]
Resultados 50 a 75 de 1315
Resumen de: WO2025227003A1
Anode film stacks incorporating a constriction susceptible interlayer or a plating and stripping enhancement layer are provided. The anode film stack enables production of alkali-metal anodes or alkali metal alloy anodes with uniform Li plating and stripping performance, which can be used in an energy storage devices, for example, a battery or a capacitor. Methods and systems for forming the anode film stack are also provided.
Resumen de: WO2025226540A1
A system for converting power in an electrified vehicle includes: a first sub-battery (12) and a second sub-battery (14) configured to be connected in series or parallel to provide a high-voltage (HV) battery (12,14) for supplying power to a traction motor; a low-voltage (LV) battery (16); and first and second transformers (48,79) each having a primary winding (W1,W4) and two secondary windings (W2,W3,W5,W6). An active bridge (50,80) is configured to convert power between one of the secondary windings (W2,W6) of each of the transformers (48,79) and a corresponding one of the sub-batteries (12,14). Another active bridge (60,80) is configured to convert power between another one of the secondary windings (W3,W5) of each of the transformers (48,79) and the LV battery (16).
Resumen de: WO2025226544A1
A self-healing battery pack includes a plurality of battery modules connected in series. When a faulty battery module is detected, an electrical protective device connected in parallel with the faulty battery is caused to operate and thereby bypass the faulty battery module. The self-healing battery pack can additionally report the detection of the faulty battery module. When maintenance is scheduled to replace the faulty battery module, the self-healing battery pack can receive instructions to adjust a state-of-charge of the battery modules to reduce an equalization period.
Resumen de: WO2025223831A1
The present invention relates to a thermal regulation device (1) extending in a longitudinal-transverse plane, comprising a first tube (12), a second tube (14) and a collector (6), the tubes (12, 14) comprising channels configured for the circulation of a heat-transfer fluid distributed between a first circulation assembly (26) and a second circulation assembly (28), the collector (6) comprising a heat-transfer fluid inlet (8) and a heat-transfer fluid outlet (10), and a common connection endpiece forming a connection endpiece for connecting the fluid inlet (8) and a connection endpiece for connecting the fluid outlet (10) of the collector (6), the common endpiece facing the first transverse end (34), wherein the common endpiece is made of plastic, and the device comprises a first sealing means, for example a gasket arranged between the common endpiece and the collector (6), as well as at least one attachment means for attaching the common endpiece to the collector (6), the attachment means being configured to compress the gasket between the common endpiece and the collector (6).
Resumen de: WO2025226791A1
A battery system for an industrial vehicle, the industrial vehicle including a frame having a vehicle contour defined by front, back, left, and right bounds of the frame, the left and right bounds at least partially defined by opposed outermost left and right portions of respective left and right sides of a battery compartment. The battery system includes a battery, and a counterweight assembly, wherein at least a portion is positioned underneath the battery. The battery system further includes a first sensor assembly positioned underneath the battery at one of the left or right side of the battery compartment. The first sensor assembly is completely located within the front, back, left, and right bounds of the frame so as to not increase the vehicle contour. The first sensor assembly includes a sensing device that monitors an area adjacent to the corresponding left or right side of the vehicle.
Resumen de: WO2025224671A1
The present disclosure pertains to a composite material. Moreover, the present disclosure provides a process for the synthesis of a composite material comprising a Si based phase, a SiOx based phase, a SiC based phase, and a C based phase, using a silicon source, a carbon source, and a reducing agent. The invention also relates to the use of said composite material.
Resumen de: WO2025226686A2
Alkaline electrochemical cells are provided, wherein methods to decrease or eliminate shorting in batteries by preventing zinc oxide reaction precipitate from creating a conductive bridge between the two electrodes. The alkaline electrochemical cell comprises solid zinc oxide particles in the anode and dissolved zinc oxide or zinc hydroxide in one or more of the catholyte, the anolyte, and the free electrolyte. Optimally, the solid zinc oxide particles have a large Brunauer, Emmett, and Teller (BET) surface area and/or a large median particle size (D50). The cells may also comprise a certain amount of surfactant in the separator.
Resumen de: DE102024111496A1
Ein Zellgehäuse (10) für einen Batteriezellkörper (12), mit Seitenwänden (14, 16) und einer an einer der Seitenwände (14, 16) angeordneten Berstvorrichtung (22). Die Berstvorrichtung (22) ist aus einem Einlegerelement (24) und einer Berstmembran (26) gebildet. Das Einlegerelement (24) weist eine Bersthilfe (38) mit einer Schneidgeometrie (40) auf, die der Berstmembran (26) zugeordnet ist. Die Bersthilfe (38) steht in Richtung der Berstmembran (26) über eine vom Einlegerelement (24) definierte Ebene hervor.
Resumen de: WO2025224339A1
The invention relates to a holder (102, 104) for battery cells, in particular round cells (200), comprising a receiving element (110, 130) and at least one electrical contact element (150), having at least one contact strip (160, 170, 180), wherein the receiving element (110, 130) has a contacting side (112, 132) which has an end face, and a connecting side (114, 134), wherein at least one battery cell receptacle row (127, 128; 136, 146, 148) is formed in the receiving element (110, 130) and has a plurality of battery cell receptacles (126, 136), wherein for receiving battery cells (200) the battery cell receptacles (126, 136) are in the form of recesses in the receiving element (110, 130) each of which recesses extends along a receptacle central axis (M110, M130) from the connecting side (114, 134) in the direction of the contacting side (112; 132), wherein the battery cell receptacles (126, 136) of a battery cell receptacle row (126, 127, 128; 136, 146, 148) lie along a row central line (L160, L170, L180), wherein the receiving element (110, 130) has on its contacting side (112, 132) a channel-like depression (K160, K170, K180) along the row central lines (L160, L170, L180), wherein the contact strip (160, 170, 180) has at least one main section (162, 172, 182). The invention is characterised in that at least two contact lugs (164a, 164b, 166a, 166b; 174a, 174b, 176a, 176b; 184a, 184b, 186a, 186b..) branch off in each case from the main section (162, 172, 182) from two oppo
Resumen de: WO2025224433A1
Ink compositions comprising hydrophilic, cross-linked polymer particles and methods for making the same. The ink compositions can be used in aqueous supercapacitor applications. Electrodes comprising the homogenised ink compositions deposited on the electrode or within the electrode structure and methods for making the same. The electrodes can be used in energy storage devices.
Resumen de: WO2025224172A1
The present disclosure generally pertains to testing of secondary batteries More specifically, the disclosure relates to a database structure for storing test data recorded during mass scale cycling of secondary cells. The database structure comprises a first database table (201), a second database table (202) and a third database table (203). The first database table comprising test data collected during individual runs involving charging and discharging secondary cells under different test conditions, wherein test data of the individual runs are stored in the first database table (201) together with a corresponding test identifier and a test recipe identifier. The second database table (202) comprising test recipes, wherein each test recipe comprises a set of individual steps to be performed, settings associated with test conditions of the individual steps and a recipe identifier. The third database table (203) comprising test quality data representative of alignment between test data of an individual test and the corresponding test recipe, wherein the quality data for an individual run is stored in the third database table together with a corresponding test identifier. The disclosure also relates to methods for providing and managing test data recorded during mass scale testing of secondary cells. The disclosure also relates to test equipment and a control arrangement for performing the proposed methods.
Resumen de: WO2025226421A1
A mobile battery manager (102) for charging or discharging a stored battery system may include a converter, a resistive load (106), and a controller (104) configured to charge or discharge the stored battery system to a desired state of charge determined at the mobile battery manager (102).
Resumen de: WO2025222501A1
Two-component adhesive compositions may include a polymer matrix prepared by curing a reaction mixture containing: an isocyanate-reactive component having one or more hydrophobic polyols, one or more chain extenders; and an isocyanate component having one or more isocyanate-terminated prepolymers; wherein the isocyanate-reactive and/or isocyanate component further includes one or more phosphonate-based polymers prepared from a polymerization comprising at least one phosphate monomer having the general structure: (I) where R1 is hydrogen or a C1 to C10 carbon chain; R2 is a C1 to C10 carbon chain; and R3 and R4 are, independently, hydrogen or a C1 to C10 carbon chain.
Resumen de: US2025337107A1
Examples of present disclosure include a separator for a rechargeable lithium battery and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous base and a coating layer on at least one surface of the porous base. The coating layer includes a heat-resistant layer including a binder and a filler, and an adhesive layer on the heat-resistant layer and including an adhesive binder. The binder includes a (meth)acryl-based binder including a first structural unit derived from (meth)acrylic acid, (meth)acrylate, or salts thereof, a second structural unit derived from hydroxyalkyl (meth)acrylate, and a third structural unit derived from (meth)acrylamido sulfonic acid or a salt thereof. The filler includes a cubic filler having a particle size D50 ranges from about 50 nm to about 250 nm. The adhesive binder includes a fluorine-based adhesive binder having a carboxylic acid group or a hydroxy group.
Resumen de: US2025336957A1
Provided are a negative electrode for a lithium secondary battery and a lithium secondary battery including the same, the negative electrode for a lithium secondary battery including a current collector; a first negative electrode active material layer disposed on the current collector and including a first graphite-based active material containing artificial graphite and natural graphite, and a first silicon-based active material; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second graphite-based active material containing artificial graphite and natural graphite, and a second silicon-based active material. The first graphite-based active material has a content of the artificial graphite equal to or less than that of the natural graphite, and the second graphite-based active material has a content of the artificial graphite greater than that of the natural graphite.
Resumen de: US2025336956A1
A negative electrode plate includes: a current collector; and a negative electrode active material layer formed on the current collector; where the negative electrode active material layer includes at least two negative electrode active material layers from inside to outside; the negative electrode active material layer includes a negative electrode active material selected from natural graphite or artificial graphite; and the at least two negative electrode active material layers include at least one negative electrode active material layer containing natural graphite and at least one negative electrode active material layer containing artificial graphite.
Resumen de: US2025336984A1
Provided here is a method of manufacturing a lattice electrode useful in an energy storage device such as a battery or capacitor. A lattice electrode useful in an energy storage device such as a battery or capacitor also is provided, along with energy storage devices such as batteries or capacitors.
Resumen de: US2025336952A1
Examples of the disclosure include a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. Examples include a positive electrode for a rechargeable lithium battery including a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes a first particle and a third particle, the second active material layer includes a first particle and a second particle, the first particle is in the form of a single particle, and the second particle is in the form of a secondary particle. The first particle and the second particle are olivine-based particles, and the third particle is a layered particle.
Resumen de: US2025336958A1
A negative electrode sheet and a preparation method therefor, a secondary battery and an electric device. The negative electrode sheet includes a negative electrode current collector, a negative electrode active layer and a flake graphite. A ratio of a thickness t to a diameter d of the flake graphite is t/d, where t/d≥0.005. The negative electrode active layer includes a negative electrode active material, and the negative electrode active material includes a silicon-based material.
Resumen de: AU2024434465A1
A battery cell cover plate (100), a battery cell (200), and a battery pack. The battery cell cover plate (100) comprises a cover plate body (10); the cover plate body (10) has a top surface (11) and a bottom surface (12) which are opposite to each other, and a liquid injection hole (13) is formed in the cover plate body (10); and the liquid injection hole (13) runs through from the top surface (11) to the bottom surface (12). The bottom surface (12) is configured to face a jelly roll (220); at least partial area of the bottom surface (12) is configured to be a flow guide surface (121); the flow guide surface (121) is adjacent to the liquid injection hole (13); and the flow guide surface (121) is inclined from the liquid injection hole (13) to a direction away from the top surface (11).
Resumen de: AU2023442275A1
A battery pack including a housing having a first side, a second side positioned opposite the first side, a third side positioned adjacent to both the first side and the second side, a fourth side positioned opposite the third side, an air inlet disposed on the first side, and an air outlet disposed on the second side. The battery pack also includes a plurality of battery cells, a fan positioned within the housing, a temperature sensor that senses a temperature, and an electronic controller that receives a signal from the temperature sensor, determines the temperature, determines whether the temperature is greater than a first temperature threshold, and turns on the fan for a first speed to move air from the air inlet to the air outlet.
Resumen de: US2025337103A1
Examples of the present disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer on at least one surface of the porous substrate. The coating layer includes a cross-linked product of a binder, a cross-linking agent, and carboxyalkyl cellulose or a salt thereof, and a filler. The binder includes a (meth)acryl-based binder including a first structural unit derived from (meth)acrylamide and a second structural unit derived from (meth)acrylamido sulfonic acid or a salt thereof. The cross-linking agent includes one or more of an aziridine-based cross-linking agent and a carbodiimide-based cross-linking agent.
Resumen de: US2025337021A1
An electrode for lithium ion batteries, containing a sulfonic acid compound which contains a sulfonate anion represented by the following Formula (1) and a Ni cation, R—SO3− (1), in the Formula (1), R represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or the like, in which the electrode contains a positive electrode active material layer, and the positive electrode active material layer contains, as a positive electrode active material, LizNi(1-x-y)CoxMyO2, in which 0≤x≤0.40, 0≤y≤0.40, 0.90≤z≤1.20, and M is at least one element selected from the group consisting of Mn, V, Mg, Mo, Nb, and Al.
Resumen de: US2025337116A1
Provided in the present disclosure is a cell, including a positive electrode sheet, a composite separator and a negative electrode sheet provided in sequence. The positive electrode sheet includes a first positive electrode active coating. The negative electrode sheet includes a first negative electrode active coating. The composite separator includes a positive-side porous active layer and a negative-side porous active layer. The positive-side porous active layer includes a non-adhesive polymer C1. The negative-side porous active layer includes a non-adhesive polymer C2. A compaction density of the first positive electrode active coating is 2.05-3.60 g/cm3. A compaction density of the first negative electrode active coating is 1.40-1.85 g/cm3. Composite of the positive electrode sheet and the composite separator is realized by press-fit processing I. Composite of the negative electrode sheet and the composite separator is realized by press-fit processing II.
Nº publicación: US2025337099A1 30/10/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US2025337099A1
A battery cell includes an electrode assembly and a pouch case for sealing the electrode assembly together with an electrolyte, wherein the pouch case includes a receiving portion in which the electrode assembly is accommodated; and a sealing portion disposed on the perimeter of the receiving portion to seal the electrode assembly, wherein the sealing portion includes a strong sealing section and a weak sealing section, wherein the weak sealing section forms a venting path in the sealing portion, and wherein the venting path includes an inlet located on the inner surface of the sealing portion connected to the receiving portion and an outlet located on the outer surface of the sealing portion integrally connected to the inlet.
BOPI
Sede Electrónica
