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1601
results.
Updated on
20/03/2026 [07:15:00]
Results 1025 to 1050 of 1601
Absstract of: US20260066330A1
An electrode assembly includes a first electrode, a second electrode, and a separator located between the first electrode and the second electrode. The first electrode, the second electrode, and the separator are wound in a roll shape. The first electrode includes a first coated portion in which a first active material is coated on a first current collector, and a first uncoated portion adjacent to the first coated portion and formed at one side of the first current collector. The first uncoated portion includes a plurality of cut portions each open to an outside and a plurality of flags partitioned by the plurality of cut portions. A length of each of the plurality of cut portions increases in at least one or more sections in a radial direction from a winding center.
Absstract of: US20260066329A1
A system for manufacturing a secondary battery includes a reform pin insertable into a central hole of an electrode assembly, the electrode assembly including a wound stack of a first electrode, a separator, and a second electrode, a driver configured to move the reform pin and to insert the reform pin into the central hole, after the electrode assembly is embedded in a case, and a rotator configured to rotate the reform pin.
Absstract of: US20260066351A1
An electrolyte composition for batteries is provided. The electrolyte composition includes a solvent including one or more fluorinated carbonates. The electrolyte composition further includes a lithium-based salt and a lithium (oxalato)borate salt. Additionally, a battery including the electrolyte composition is provided. The battery includes an anode, a nickel-based cathode, and the electrolyte composition disposed between the anode and the nickel-based cathode.
Absstract of: US20260066374A1
One aspect provides a battery cooling pouch including a first thin film sheet defined as a first cooling fin having a first major surface to contact a battery cell, a second thin film sheet defined as a second cooling fin having a first major surface, and a panel insert of a polymeric material, wherein perimeter edges of the first and second thin film sheets are sealed to confine the panel insert between the first and second thin film sheets, the panel insert having a major surface defining coolant flow grooves exposed to the first thin film sheet to form coolant flow channels. The cooling pouch includes at least one interior seal between at least a portion of the first thin film sheet and the major surface of the panel insert to direct a coolant fluid through the coolant flow channels.
Absstract of: US20260066373A1
An energy storage system includes a module unit comprising the plurality of battery modules. The plurality of battery modules each accommodates a plurality of cell units. Each of the plurality of cell units comprise a plurality of battery cells arranged in a first direction and are arranged in a second direction, perpendicular to the first direction. A pipe portion is connected to a fire extinguishing tank storing a fire extinguishing agent and extends into the module unit. The pipe portion includes a main pipe extending from the fire extinguishing tank and a sub-pipe branched from the main pipe. One end of the sub-pipe is connected to a first branch point of the main pipe, and another end of the sub-pipe is connected to a second branch point of the main pipe. The sub-pipe extends to pass through all the plurality of battery modules.
Absstract of: US20260066278A1
A cathode for a lithium secondary battery according to embodiments of the present disclosure includes a cathode current collector, a first cathode active material layer disposed on at least one surface of the cathode current collector and including lithium metal phosphate particles, and a second cathode active material layer disposed on the first cathode active material layer and including lithium-transition metal oxide particles, wherein the content of the lithium-transition metal oxide particles, based on the total weight of the lithium metal phosphate particles and the lithium-transition metal oxide particles, is 20 wt % to 70 wt %.
Absstract of: US20260066275A1
An electrode assembly includes a first electrode plate including a first substrate and a first composite portion on the first substrate, a second electrode plate including a second substrate, a second composite portion on the second substrate, and a lithium coating layer on the second substrate, and a separator between the first electrode plate and the second electrode plate.
Absstract of: US20260066273A1
Some variations provide an anode material comprising: silicon monoxide in the form of first particles; and lithium vanadium oxide (LVO) with a composition given by LiaVbOc, wherein a=0.1-10, b=1-3, c=1-9, wherein the LiaVbOc is capable of being reversibly lithiated, wherein the LVO is present in the form of second particles that are physically mixed with the first particles. Other variations provide an anode material comprising: a Si/C composite in the form of first particles; lithium vanadium oxide in the form of second particles, wherein the first particles and the second particles are physically mixed together, wherein the Si/C composite is present in a Si/C concentration from about 1 wt % to about 99 wt %, and wherein the LVO is present in a LVO concentration from about 1 wt % to about 99 wt %. Examples are provided, demonstrating the utility of the disclosed technology.
Absstract of: US20260066357A1
An energy storage element includes an electrode-separator assembly in the form of a cylindrical winding having an anode, a separator, and a cathode. The anode includes a ribbon-shaped anode current collector with longitudinal edges and a free edge strip. The cathode includes a ribbon-shaped cathode current collector with longitudinal edges and a free edge strip. The energy storage element further includes a housing closed in an airtight and liquid-tight manner. A first longitudinal edge corresponding to a first free edge strip forms an area on which a metal part covering a first end face of the cylindrical winding lies flat, and a bottom of the housing includes an aperture into which a projection of the metal part is inserted or through which the projection protrudes.
Absstract of: US20260066396A1
The present disclosure provides a busbar for a battery pack having a plurality of battery cells separated by respective thermal barriers. The busbar is configured to provide electrical connection between battery cells within the battery pack by way of electrical connection arrangements. The busbar further comprises a plurality of channels, each channel configured to receive a thermal barrier. Each channel includes a first portion sized to accommodate a thermal barrier and a second portion adjacent an opening of the channel which is wider than the first portion of the channel such that, during assembly of the busbar into a battery pack, the second portion of each channel is configured to guide a thermal barrier into the respective channel.
Absstract of: US20260061886A1
A method of controlling a state of charge (SOC) of a battery is provided. The method comprises defining a first SOC threshold of the battery, the first SOC threshold being greater than zero and defining a second SOC threshold of the battery, the second SOC threshold being less than a highest charge capacity of the battery. The first and second SOC thresholds define a battery protection charge range of the battery based on a predetermined battery protection charge range associated with the battery. The method also comprises setting a first configurable SOC threshold of the battery, the first configurable SOC threshold being at least the first SOC threshold; and setting a second configurable SOC threshold of the battery, the second configurable SOC threshold being no greater than the second SOC threshold and greater than the first configurable SOC threshold. A range between the first and second configurable SOC thresholds is defined by a configurable capacity associated with the battery. During charging and/or discharging of the battery, the SOC of the battery is controlled based on the first and second configurable SOC thresholds. The configurable capacity of the battery and the first and second configurable SOC thresholds are updatable upon receiving an update to the configurable capacity of the battery.
Absstract of: US20260066442A1
An energy storage assembly device for an aerosol generation device includes a housing intended for housing a battery; a vent component configured to vent pressurized gases from within the housing upon a predetermined pressure in the housing; whereby the housing has an elongated shape; and the housing includes on a circumference of the housing at a first extremity which is free on the inside from being filled by the battery, a first plurality of holes blinded by a blinding member, the first plurality of holes and the blinding member each being part of the vent component.
Absstract of: US20260063369A1
A ground compaction machine with a machine frame, a ground contacting device mounted movably on the machine frame, a vibration excitation device and an electrical operating component comprising a housing. A method for operating a ground compaction machine. A heat exchanger fluid tank is provided with which a conductive heat exchange takes place between the electrical operating component and a heat exchanger fluid stored in a storage space of the heat exchanger fluid tank.
Absstract of: WO2026045019A1
Provided in the present disclosure are a solid electrolyte with a carbon coated surface, a preparation method therefor, and the use thereof. The preparation method comprises the following steps: A) subjecting a solid-state electrolyte to alkaline washing in an alkaline solution, and then aging the alkaline-washed solid-state electrolyte in an air atmosphere to generate Li2CO3 on the surface, so as to obtain an aged solid-state electrolyte, the alkaline solution being an aqueous solution of lithium hydroxide and the concentration of the alkaline solution being less than 0.05 mol/L; B) subjecting the aged solid electrolyte to acid washing in a dilute acid solution, and drying same after the acid washing to obtain a dried powder; C) mixing the dried powder with a solution of an organic carbon source, and enables the carbon source to undergo surface adsorption or in-situ polymerization, so as to obtain an intermediate partially coated with the organic carbon source; and D) calcining the intermediate partially coated with the organic carbon source in an inert atmosphere, so as to obtain the solid electrolyte with a carbon coated surface. By means of the modes of alkaline washing and aging, the present disclosure achieves higher controllability over the carbon-coated surface area and is applicable to more types of electrolytes.
Absstract of: WO2026044837A1
The present invention belongs to the technical field of battery separators, and relates to a thin bag-type puncture-resistant AGM separator and a preparation method therefor. The thin bag-type puncture-resistant AGM separator comprises the following raw materials in percentages by mass: 50%-70% of high-alkali glass fibers and 30%-50% of reinforced fibers, wherein the high-alkali glass fibers comprise high-alkali glass fibers having a beating degree of 29-44°SR and high-alkali glass fibers having a beating degree of 19-29°SR; and the reinforced fibers are sheath-core-type fibers with dual melting points. In the present invention, a thin bag-type puncture-resistant AGM separator suitable for a barren-liquor-type lead-acid storage battery is prepared; and same has a bag-type structure, can completely cover a electrode sheet, and has high puncture resistance, thin and uniform thickness, high air permeability and low electrical resistance.
Absstract of: WO2026045065A1
A secondary battery separator and a secondary battery. The secondary battery separator comprises a base material and a covering layer. The base material comprises a polyolefin microporous membrane with a polyolefin as the main component. The covering layer is configured on at least one surface of the base material. The covering layer comprises inorganic particles and polymer particles, wherein the inorganic particles are consecutively distributed in the covering layer, and the polymer particles are discretely distributed among the inorganic particles and protrude out of the surface of the covering layer. The inorganic particles are accumulated as few as possible in the direction of the polymer particles to form a slope, such that the problem of the film surface being uneven after hot pressing can be mitigated.
Absstract of: US20260066371A1
A cylindrical battery sorting system includes a host, a conveying device, a sorting device, an acceleration device, and a camera device. The conveying device is electrically connected to the host, includes rollers disposed side by side, and has a feeding area, an acceleration area, and a sorting area. The sorting device is electrically connected to the host and disposed corresponding to the sorting area. The acceleration device is electrically connected to the host and disposed in the acceleration area. The camera device is electrically connected to the host and disposed corresponding to the acceleration area. When a battery enters a capturing area, the camera device moves synchronously with rolling of the battery to capture an image of the rolling battery, and transmit the image back to the host to determine type of the battery. The sorting device places the battery into a corresponding recycling area according to the captured image.
Absstract of: US20260066343A1
Described herein are methods for the generation of argyrodite solid electrodes utilizing a dry microwave process, removing the necessity of additional mechanical processing, solvent removal and high temperature annealing. The described methods reduce both time and cost for generating argyrodite materials, while maintaining phase purity and electrochemical properties that make argyrodites desirable as electrolytes. The provided methods and materials are versatile and can be used with a variety of argyrodite compositions, including Li7−yPS6−yXy (X═Cl, Br, I).
Absstract of: US20260066369A1
Disclosed is a battery management device including a detection circuit configured to detect a state of a battery and a control circuit configured to monitor the state of the battery and control functions associated with the battery, wherein the control circuit is configured to transmit a turn-on signal at a predetermined time interval to each of a first switch and a second switch that electrically connect or disconnect the battery and a power supply in response to a start signal associated with charging or discharging of the battery.
Absstract of: US20260066367A1
A battery pack includes a battery housing, a positive terminal, a negative terminal, and a plurality of cell module assemblies. The plurality of cell module assemblies are received within an internal cavity of the battery housing, and include a top CMA cell holder frame defining a plurality of first pockets, a bottom CMA cell holder frame defining a plurality of second pockets, a top collector plate coupled to the top CMA cell holder frame, a bottom collector plate coupled to the bottom CMA cell holder frame, and a plurality of battery cells. An aluminum midplate is arranged between at least two of the plurality of CMAs. The at least two of the plurality of CMAs are separated from one another with the aluminum midplate being arranged therebetween so that an air gap is formed between the at least two of the plurality of CMAs and the aluminum midplate.
Absstract of: US20260066308A1
Provided are an anode for an all-solid-state battery, a method for preparing the same, and an all-solid-state battery including the anode. The anode includes an anode current collector, a lithium-friendly metal layer stacked on the anode current collector, and an anode active material layer stacked on the lithium-friendly metal layer, in which the anode active material layer includes a Si-based anode active material.
Absstract of: US20260066267A1
An electrode for a secondary battery includes a composite substrate including a first substrate and a second substrate, each of the first substrate and the second substrate including a conductive metal material, and an insulating layer between the first substrate and the second substrate, a first active material layer on the first substrate of the composite substrate, a second active material layer on the second substrate of the composite substrate, a first electrode tab coupled to the first substrate of the composite substrate, and a second electrode tab coupled to the second substrate of the composite substrate.
Absstract of: US20260066259A1
A method of preparing an electrode for a secondary battery, which effectively reduces a residual amount of moisture in the electrode and may significantly improve electrode adhesion at the same time, is disclosed. The method of preparing an electrode for a secondary battery includes steps of: preparing an electrode in which an electrode active material layer is formed; rolling the electrode; and drying the rolled electrode. The drying is performed such that a temperature that is from 170° C. to 210° C. is reached during the drying of the rolled electrode. For example, a temperature that is above a melting point (170° C.) of a polyvinylidene fluoride (PVDF)-based binder resin may be reached the during drying of the rolled electrode.
Absstract of: US20260066263A1
A system and methods for manufacturing a dry electrode for an energy storage device are disclosed. The system includes a first dry electrode material delivery system configured to deliver a dry electrode material, a first calendering roll, a second calendering roll, and a controller. The second calendering roll is configured to form a first nip between the first calendering roll and the second calendering roll. The first nip is configured to receive the dry electrode material from the first dry electrode material delivery system, and form a dry electrode film from the dry electrode material. The controller is configured to control a rotational velocity of the second calendering roll to be greater than a rotational velocity of the first calendering roll. 62385256
Nº publicación: US20260066271A1 05/03/2026
Applicant:
SK ON CO LTD [KR]
SK ON CO., LTD
Absstract of: US20260066271A1
A cathode active material for a lithium secondary battery, a cathode for a lithium secondary battery including the same, and a lithium secondary battery are provided. The cathode active material for a lithium secondary battery includes: a first cathode active material including a lithium-nickel metal oxide in the form of a single particle; and a second cathode active material including lithium manganese iron phosphate. Accordingly, a lithium secondary battery with improved cell safety and high energy density per unit cell volume may be achieved.
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