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1718
resultados
Última actualización
03/10/2025 [07:23:00]
Resultados 900 a 925 de 1718
Resumen de: US2025300313A1
An electric storage device includes: an electric storage module that includes a plurality of electric storage cells; a case that houses the electric storage module; an adhesive layer that bonds the electric storage cells to the case; and a smoke exhaust valve provided in the case. A smoke exhaust passage extending toward the smoke exhaust valve is formed in the adhesive layer.
Resumen de: US2025300309A1
It is an object of the present disclosure to provide an electrode stack that can reduce damage to multiple electrode collector layers (positive electrode collector layers and/or negative electrode collector layers) or collector tabs connected to electrode collector layers. An electrode stack having a plurality of stacked battery units, wherein the plurality of stacked battery units each comprise at least a negative electrode collector layer and a positive electrode collector layer, (i) the negative electrode collector layer extends from the first edge of the stacked battery unit, and the plurality of stacked battery units are stacked together so that the plurality of first edges are in an inclined arrangement, and/or (ii) the positive electrode collector layer extends from the second edge of the stacked battery unit, and the plurality of stacked battery units are stacked together so that the plurality of second edges are in an inclined arrangement.
Resumen de: WO2025198248A1
A cooling structure of a battery pack that is disclosed comprises: a heat sink comprising a plurality of cooling flow paths; a plurality of battery assemblies longitudinally and/or transversely mounted on top of the heat sink; and a plurality of electrical components mounted on the front surface and/or the rear surface of the heat sink, wherein at least one of the plurality of electrical components has an insulating oil sealed therein, and heat accumulated in the insulating oil is discharged to the outside through the cooling flow paths of the heat sink.
Resumen de: WO2025198343A1
The present invention relates to a battery pack for accommodating cell assemblies that include a pair of external terminals, the battery pack comprising a pack case on which the cell assemblies are seated, wherein the pack case includes: a base plate supporting the bottom of the plurality of cell assemblies; and a protective cap coupled to the central portion of the base plate, the protective cap covering an external terminal of each accommodated cell assembly.
Resumen de: WO2025198342A1
The present invention relates to a battery pack for accommodating cell assemblies each comprising a pair of external electrodes on one side thereof, the battery pack comprising a pack case. The pack case comprises: a plurality of cell assemblies; and busbars for connecting external terminals of the cell assemblies, wherein, on any one pair of cell assemblies arranged so as to neighbor each other with respect to the length direction of the battery pack, the positions of the external terminals are arranged so as to be reversed with respect to the width direction of the battery pack, and the pack case further comprises busbar caps formed so as to correspond to the shapes of the busbars so as to cover the upper portions of the busbars.
Resumen de: WO2025198227A1
The present invention relates to a battery module comprising: a plurality of battery cells; and a deformation member provided on at least one side of the battery cells and configured to expand in volume in the direction of the one side by changing the shape thereof at a specific temperature or higher.
Resumen de: WO2025198228A1
The present invention relates to an electrode assembly to which insulating tape is attached and a lithium secondary battery including same, the electrode assembly comprising: an electrode stack in which a plurality of positive electrodes and a plurality of negative electrodes are alternately stacked with a separator interposed therebetween; a positive electrode lead coupled to a positive electrode tab bundle comprising positive electrode tabs protruding from the outer circumferential sides of the plurality of positive electrodes and overlapping each other; a negative electrode lead coupled to a negative electrode tab bundle comprising negative electrode tabs protruding from the outer circumferential sides of the plurality of negative electrodes and overlapping each other; a first insulating tape attached to at least a portion of the upper surface of the electrode stack, the upper surface of a positive electrode coupling part where the positive electrode tab bundle and the positive electrode lead are coupled, and the upper surface of a negative electrode coupling part where the negative electrode tab bundle and the negative electrode lead are coupled; a second insulating tape attached to at least a portion of the lower surface of the electrode stack, the lower surface of the positive electrode coupling part where the positive electrode tab bundle and the positive electrode lead are coupled, and the lower surface of the negative electrode coupling part where the negative electr
Resumen de: WO2025198530A1
A system and method for balancing the state of charge (SOC) in a multi-tank Vanadium Redox Flow Battery (VRFB) system, particularly in hybrid integration with Lithium Batteries (LiB), is disclosed It addresses SOC imbalance issues in VRFB systems utilizing multiple hydraulically disconnected electrolyte tanks, thereby improving round-trip efficiency by eliminating the need for intermediate DC-DC converters. A small-scale DC-DC converter operating in droop control mode facilitates charge balancing between VRFB clusters during both charging and discharging. the invention provides a droop control method for hybrid energy storage systems (ESS) consisting of VRFB and LiB in both DC and AC coupled configurations. This method dynamically adjusts droop coefficients and voltage/frequency reference levels based on real-time charging and discharging requirements, ensuring optimal power distribution and SOC balance across multiple battery clusters. The system enhances overall efficiency, reliability, and cost-effectiveness of hybrid energy storage solutions by leveraging the complementary strengths of VRFB and LiB technologies.
Resumen de: WO2025199502A1
Improved barriers for protecting cathodes and/or anodes in Li batteries are provided. We have found that F-doping of ALD-grown lithium metal oxides results in a barrier having a highly desirable combination of properties. In particular, these barriers have mixed conductivity where both electronic conductivity and ionic conductivity are important. Furthermore, these barriers also have the desirable mechanical properties of uniform and controllable thickness, and highly conformal deposition.
Resumen de: WO2025199456A1
Porous polymer films including membranes are disclosed that have an improved blend of properties. Porous polymer films made according to the present disclosure can show dramatically improved wicking properties when tested against electrolyte solutions, indicating a significant increase in ion conductivity. The films can also be formed with porosity properties, permeability properties, strength properties, and at thicknesses that further enhance performance.
Resumen de: WO2025199068A1
The present inventions relate to methods, systems, apparatuses, controllers, software, and composition of matter associated with rotary dicing of target starting material to generate components. The components may be utilized for energy manipulation device, e.g., battery. The components may be of a battery cell, e.g., a stacked arrangement of battery cells.
Resumen de: WO2025198944A1
The various embodiments herein provide a system and method for enabling simultaneous charging of multiple batteries. The embodiments also provide a system and method generating a magnetic field through a conductive strip placed around a plurality of battery banks to enable efficient and simultaneous charging of multiple batteries. The embodiments optimize the method in which battery banks are charged, rejuvenated and recycled. By utilizing a conductive strip to create a magnetic field, the system magnetically pulse charges batteries simultaneously, reducing temperature rise and enhancing overall efficiency. The system enables noninvasive battery recycling and optimized restoration, extending battery life and supporting environmental sustainability. Key benefits include faster charging times, reduced thermal risks and the ability to rejuvenate batteries previously considered at the end of their lifecycle.
Resumen de: WO2025198659A1
This disclosure provides methods for recycling material from lithium iron phosphate batteries. One aspect of this disclosure is a method for recycling lithium iron phosphate battery material. The method comprises a contacting a battery black mass from a lithium iron phosphate battery material and a spodumene composition in a weight ratio of battery black mass to spodumene composition of about 1: 1 to 1 :20, to form a black mass mixture; and b) leaching the black mass mixture with an aqueous medium by: adjusting a pH of the black mass mixture between 2.5 and 3.0; and adding hydrogen peroxide as an oxidizer.
Resumen de: WO2025198437A1
The present invention relates to an electrolyte composition for a lithium secondary battery. The electrolyte composition for a lithium secondary battery comprises a cyclic ester-based solvent as a main component and a predetermined electrolyte additive, and thus enables the uniform formation of a solid electrolyte interface layer (SEI layer) having high lithium ion conductivity and excellent heat resistance on the surface of an anode when a lithium secondary battery is activated. Consequently, the reactivity between an anode active material and the electrolyte composition is remarkably lowered, resulting in a rise in the temperature at which heat generation begins (that is, an exothermic onset temperature) between the anode active material and the electrolyte composition, thereby suppressing heat generation caused by anode deterioration or the like. Furthermore, a lithium secondary battery comprising the electrolyte composition can minimize side reactions of the electrolyte composition, occurring on the surface of the anode when exposed to high temperatures, thereby exhibiting excellent high-temperature safety.
Resumen de: WO2025198515A1
The present invention discloses a portable energy storage device The device consists of a series of power cells (102) securely held in position by cell holders (104) with extensions (106) and apertures (108), forming a power cell stack (112). A thermal conductive plate (114) facilitates the distribution and dissipation of thermal energy, while a thermal barrier (116) provides insulation against temperature fluctuations. Mechanical protection and structural integrity are ensured by end covers (120) with extensions (122) and apertures (124). An electronic control unit (130) manages and monitors the power cells, positioned on top of the stack and enclosed by a top cover (136). A bottom cover (152) houses a charging/discharging unit (146), and casing (156) provides additional protection and structural support. This invention overcomes the limitations of prior art by offering improved thermal management, enhanced structural integrity, and efficient power cell control.
Resumen de: WO2025198516A1
Embodiments herein disclose systems and methods for monitoring and storing battery and vehicle-related parameters in a swappable battery pack, wherein the swappable battery pack can be used in vehicles.
Resumen de: WO2025198700A1
The present technology relates generally to a solid-state electrolyte including about 30 wt.% to about 70 wt.% sodium alginate, about 1 wt.% to about 5 wt.% fucoidan, about 1 wt.% to about 5 wt.% algal protein, about 0 wt.% to about 45 wt.% a polymer that is not a polysaccharide, and about 10 wt.% to about 30 wt.% conductive salt. The sodium alginate, fucoidan, and algal protein may be extracted from naturally occurring sargassum.
Resumen de: WO2025198237A1
A system control apparatus and a system control method for a battery charging-discharging system are provided. The battery charging-discharging system includes a main power source, charging-discharging equipment, and an auxiliary power source. The system control apparatus comprises: a supervisory circuit for monitoring whether the main power source is abnormal; and a controller for generating a power amount profile of the charging-discharging equipment by applying a mathematical operation to first to m-th power profiles based on operation information of first to m-th chargers/dischargers included in the charging-discharging equipment. m is a natural number greater than or equal to 2. When an abnormality of the main power source occurs, the controller compares a first power amount of the power amount profile to a second power amount of the auxiliary power source, thereby determining whether it is necessary to stop at least one of the first to m-th chargers/dischargers.
Resumen de: WO2025198236A1
The present invention relates to a secondary battery. A secondary battery according to an embodiment of the present invention comprises: a cylindrical electrode assembly; a can housing that accommodates the electrode assembly; and a top cap assembly coupled to the can housing to cover the electrode assembly. The top cap assembly may comprise: a fire-extinguishing module including fire-extinguishing powder that is sprayed onto the electrode assembly; and a top cap disposed above the fire-extinguishing module and electrically connected to the electrode assembly to be electrically connected to the outside, and the fire-extinguishing module may comprise: a fire-extinguishing capsule having an accommodation space for accommodating fire-extinguishing material, and having at least a portion formed to be meltable; and a support frame coupled to the fire-extinguishing capsule to support the fire-extinguishing capsule and having an opening formed in a portion thereof so that the fire-extinguishing material flows to the electrode assembly.
Resumen de: WO2025198193A1
The present invention relates to a positive electrode and to an all-solid-state rechargeable battery comprising same, the positive electrode comprising: a first positive electrode active material comprising a secondary particle comprising a lithium nickel-based composite oxide and formed by aggregation of a plurality of primary particles, wherein at least a portion of the primary particles are radially arranged, a first coating layer located on the surface of the secondary particle and containing Zr, and a second coating layer located on the first coating layer and containing a sulfide-based solid electrolyte; a second positive electrode active material comprising a secondary particle comprising a lithium nickel-based composite oxide and formed by aggregation of a plurality of primary particles, a first coating layer located on the surface of the secondary particle and containing Zr, and a second coating layer located on the first coating layer and containing a sulfide-based solid electrolyte, wherein the second positive electrode active material has an average particle diameter (D50) that is smaller than the average particle diameter (D50) of the first positive electrode active material; and a solid electrolyte comprising a core particle containing a sulfide-based solid electrolyte and a third coating layer located on the surface of the core particle and containing a lithium-metal-oxide.
Resumen de: WO2025196892A1
According to an embodiment of the present invention, there is provided an electrode containing active material matter, a conductive agent, and a binding agent. The active material matter contains an active material containing a lithium nickel cobalt manganese oxide. The ratio IAVE/ITOP of the average peak intensity IAVE at ±20°C from the peak top to the peak top intensity ITOP of the strongest peak in the m/z = 132 curve by thermally evolved gas analysis mass spectrometry is equal to or greater than 0.2 and less than 0.5. The ratio A44/A132 of the area A44 under the m/z=44 curve in the range between 550°C and 600°C inclusive by thermally-induced evolved gas mass spectrometry to the area A132 under the m/z = 132 curve in the range between 200°C and 550°C inclusive is equal to or greater than 5 and less than 10.
Resumen de: WO2025197214A1
Problem To provide a cushion member with heat-insulating properties and cushioning properties having moderate resistance to external forces, as well as a battery provided with the same. Solution The present invention relates to: a cushion member 1 disposed at least between a plurality of heat sources and capable of relieving the pressure that occurs when the heat sources expand, said cushion member comprising one or multiple first sheet pieces 10 of porous resin or rubber and one or multiple second sheet pieces 20 of resin or rubber, wherein the second sheet pieces 20 are of higher hardness than the first sheet pieces 10 and contain a fibrous filler 25; a method for manufacturing the same; and a battery.
Resumen de: WO2025196883A1
This method for estimating the state of a storage battery constituted by a plurality of battery modules connected in series, and controlled by a predetermined control device, comprises: a comparison step for comparing, for each of a plurality of battery modules which include an cell assembly in which a plurality of unit cells are connected, and which are formed by accommodating the cell assembly in a housing having a vacuum heat insulating structure, actual measurement temperatures when a charging/discharging action is performed in the storage battery and actual temperatures when the charging/discharging action was performed under the same conditions as the charging/discharging action; and an estimation step for estimating the state of the storage battery on the basis of the comparison results in the comparison step. In the estimation step, it is possible to distinguish and estimate the occurrence of any of the abnormal states among a failure of a unit cell in any of the plurality of battery modules, the occurrence of deviation of a discharge depth management value held in the control device from the actual discharge depth in the storage battery, and a decrease in the degree of vacuum in the housing in any of the plurality of battery modules.
Resumen de: WO2025196843A1
The present disclosure relates to FeSe2 decorated porous nitrogen and sulfur-doped carbon spheres (FSPNSCS) composite material as cathode for the aluminium ionic battery (AIB) or aluminium aqueous battery. The present invention also relates to a process of preparation of said composite material comprising FeSe2 with nitrogen and sulphur co-doped porous carbon spheres. The invention also relates to aluminium aqueous batteries containing FeSe2 material as cathode.
Nº publicación: WO2025196822A1 25/09/2025
Solicitante:
OLA ELECTRIC MOBILITY LTD [IN]
OLA ELECTRIC MOBILITY LIMITED
Resumen de: WO2025196822A1
The present disclosure provides a process of preparing spherical metal phosphate, comprising a) preparing a slurry comprising a structure directing agent, metal precursors, and a phosphate precursor; and b) hydrothermal treatment of the slurry at a temperature in a range of 170 °C to 220 °C, for a time period in a range of 7 to 18 hours to obtain the spherical metal phosphate. The present disclosure also provides a lithium manganese iron phosphate (LMFP) composite comprising the spherical metal phosphate; and a cathode material prepared using the LMFP.
BOPI
Sede Electrónica
