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Apparatus and Method for Plasma Enhanced Chemical Vapour Deposition

Resumen de: US2025327184A1

The present disclosure relates to a process for simultaneous deposition onto two opposite sides of a sheetlike substrate using a plurality of linear plasma sources, comprising the steps: providing a reaction chamber comprising a gaseous atmosphere; and at least two linear plasma sources positioned in the chamber,introducing a sheetlike substrate comprising two elongate sides into the reaction chamber, and moving the substrate between the at least two linear plasma sources at a first velocity; supplying power to the linear plasma sources to generate linear plasmas in the vicinity of each side of the substrate;introducing at least one reactant mixture, at a first gas flow rate, into the reaction chamber on each of the respective opposite sides of the substrate, the composition of the mixture being such that, upon contact with the plasma, the reactant mixture decomposes and generates a chemical reactant species capable of being deposited as a film onto the corresponding side of the substrate;allowing the chemical reactant species to simultaneously be deposited onto the first and second opposite sides of the substrate at the same position with respect to the substrate movement direction;to obtain a substrate comprising a coated homogeneous film of desired thickness on the opposite sides of the substrate.

COPOLYMER FOR SEPARATOR AND SECONDARY BATTERY COMPRISING SAME

Resumen de: US2025326875A1

The present invention relates to: a copolymer prepared by copolymerizing and hydrolyzing two or more monomers selected from the group consisting of an acrylonitrile-based monomer, an acrylate-based monomer, and an acrylic acid-based monomer with a vinyl acetate-based monomer; and a core-shell particle, a slurry composition, a separator, and a secondary battery which comprise same.

BINDER, PREPARATION METHOD THEREOF AND LITHIUM-ION CELL

Resumen de: US2025326891A1

A binder, including a polyamide polymer containing repeating structural units A shown in formula (I) and repeating structural units B shown in formula (II), in which R1 is an aryl group not containing amide groups and amino groups, R2 includes an aryl group containing at least one amide groups or at least one amino groups, and a mole ratio of the repeating structural units A to the repeating structural units B is (2:1) to (6:1).

ELECTRODE COMPOSITION AND METHOD OF PRODUCING ELECTRODE

Resumen de: US2025329723A1

A porous Tin (Sn) particle and its preparation method are presented in the present invention. The preparation method includes 1) an ultra-high cooling rate solidification process of a two-component metal melt, 2) milling the resulting 2-component solid metal mixture, 3) dissolving one of the metal components in an alkaline or acidic aqueous medium. The porous particles can then be used to produce a porous electrode where the porous particle is made to react with lithium or sodium and where said electrode is part of a lithium or sodium-ion battery with the aim of improving capacity and lifetime of that battery.

BATTERY CELL AND ELECTRICAL DEVICE

Resumen de: US2025329896A1

A battery cell includes a housing, an electrode post, and a pressure relief mechanism. The housing includes a bottom wall and a plurality of sidewalls disposed around the bottom wall. A first through-hole and a second through-hole are created on a first sidewall of the plurality of sidewalls. The electrode post is threaded through the first through-hole. A pressure relief mechanism covers the second through-hole. The pressure relief mechanism includes a adhesive film. The adhesive film is able to melt when a temperature of the battery cell reaches a threshold, so as to release pressure inside the housing through the second through-hole.

BATTERY DISCHARGE MECHANISM FOR SURGICAL INSTRUMENTS

Resumen de: US2025329803A1

A surgical instrument includes a handle assembly and a battery assembly configured to removably couple to the handle assembly. The handle assembly includes a handle housing, an electronic component within the housing, a handle finger extending from the handle housing, and an electrical contact electrically coupled to the electronic component. The battery assembly includes a battery housing, a battery disposed in the battery housing, a battery contact electrically coupled to the battery, and a discharge circuit board. The discharge circuit board is configured to discharge the battery and is movable within the battery housing from a first position to a second position by the handle finger upon coupling the battery assembly to the handle assembly.

BATTERY SYSTEM AND POWER CONSUMING DEVICE

Resumen de: US2025329805A1

A battery system includes: at least two battery groups and a relay apparatus. Each battery group includes a plurality of battery units. The battery units in each battery group are configured to form a first channel that uses the battery units as nodes and sequentially transmits specified data. The at least two battery groups are capable of respectively forming, with a control apparatus, second channels for transmitting the specified data. The relay apparatus is configured to respectively form, with the at least two battery groups, third channels for transmitting the specified data. The relay apparatus is further configured to forward the specified data between the battery groups.

NEGATIVE ELECTRODE MATERIAL, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: US2025329718A1

A negative electrode material includes a composite material. The composite material includes elemental silicon and a carbon material. A ratio of an intensity of a main peak to an intensity of a secondary peak of a first-cycle delithiation dQ/dV curve of the composite material is 1.15 to 1.65. The composite material in the secondary battery provided in this application satisfies the above characteristics, so that the secondary battery exhibits excellent cycle performance and expansion resistance in addition to a relatively high specific capacity.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, PREPARATION METHOD OF THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US2025326643A1

A positive electrode active material for a rechargeable lithium battery, a preparation method of the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material are disclosed. The positive electrode active material may include a first particle containing a compound represented by Formula 1 and having a first average particle diameter and a second particle containing a compound represented by Formula 2 and having a second average particle diameter smaller than the first average particle diameter, wherein an amount of the first particle may be equal to or greater than an amount of the second particle. A more detailed description of Chemical Formulae 1 and 2 is provided in the present disclosure.

PROCESS FOR PRODUCING HYDROGEN BIS(CHLOROSULFONYL)IMIDE

Resumen de: US2025326640A1

The present invention relates to a process for manufacturing hydrogen bis(chlorosulfonyl)imide (HCSI), said process comprising following steps: (i) providing to a reactor a composition (H) comprising chlorosulfonyl isocyanate in an amount (CSI-1), chlorosulfonic acid in an amount (CSA-1) and HCSI in an amount (HCSI-1) of most 20 wt. % based on the total weight of composition (H), and (ii) heating said composition (H). The present invention also relates to a method for recycling a composition (H) as defined above, said method comprising feeding said composition (H) to a reactor, and heating said composition (H) at a temperature below 150° C.

FUNCTIONAL BASE MATERIAL MANUFACTURING METHOD, FUNCTIONAL BASE MATERIAL, SECONDARY BATTERY, CATHODE MATERIAL, AND FUNCTIONAL BASE MATERIAL MANUFACTURING APPARATUS

Resumen de: US2025326642A1

A method of manufacturing a functional base material and the like are provided. A functional base material manufacturing method includes the steps of: bringing a reduction gas into contact with a base material that consists mainly of a compound containing at least phosphorus and a transition metal; and bringing a carbonization gas into contact with the base material having been in contact with the reduction gas. For example, the compound is lithium iron phosphate. For example, the base material is a powdered or granular material with an average particle diameter of 500 μm or less. For example, the reduction gas is hydrogen and, for example, the carbonization gas is low hydrocarbon.

POSITIVE ELECTRODE ACTIVE MATERIALS FOR RECHARGEABLE LITHIUM BATTERIES AND RECHARGEABLE LITHIUM BATTERIES INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIALS

Resumen de: US2025326658A1

Disclosed are a positive electrode active material for a rechargeable lithium battery, and a positive electrode including the positive electrode active material, a method of manufacturing positive electrode, and a rechargeable lithium battery. The first positive electrode active material includes a first lithium cobalt-based oxide doped with aluminum and a second positive electrode active material including a second lithium cobalt-based oxide doped with aluminum. An average particle diameter (D50) of the first positive electrode active material is greater than an average particle diameter (D50) of the second positive electrode active material. An amount of aluminum based on 100 wt % of a total metal amount in the second positive electrode active material excluding lithium is greater than an amount of aluminum based on 100 wt % of a total metal amount in the first positive electrode active material excluding lithium.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US2025329906A1

Embodiments relate to a secondary battery, in which a concave area is provided in a case, and a negative pressure is maintained to secure a space, into which an electrolyte is injected, and reduce deformation due to an internal pressure, and which has a buffer structure against the falling, and a method for manufacturing the same. The secondary battery includes an electrode assembly provided with a first electrode plate and a second electrode plate, a case which has an interior space therein and in which the electrode assembly is accommodated, and a cap plate configured to seal an opening of the case. The case has a concave area that is concave toward the interior space of the case in each of two long side surfaces facing each other, and the interior space sealed by the case and the cap plate is in a negative pressure state.

POSITIVE ELECTRODE SHEET, BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025329720A1

A positive electrode sheet, a battery, and an electric device. The positive electrode sheet of the present application comprises a positive electrode current collector and a positive electrode film layer provided on at least one surface of the positive electrode current collector, wherein the positive electrode film layer comprises a first positive electrode film layer provided on the surface of the positive electrode current collector and a second positive electrode film layer provided on the surface of the first positive electrode film layer. The first positive electrode film layer comprises a first positive electrode active material, and the second positive electrode film layer comprises a second positive electrode active material; and the first positive electrode active material comprises compound LiaAbMn1-cBcP1-dRdO4-nDn, and the second positive electrode active material comprises compound LixNiyCozMkMepOrEm.

ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US2025329783A1

An electrolyte solution for a lithium secondary battery is provided, comprising a lithium salt, a nonaqueous organic solvent with at least 50% FSA by volume, and a silver (Ag) compound additive selected from AgHFB, AgPFP, or silver trifluoroacetate. The additive is present in an amount of about 0.05 wt % to 0.2 wt % to promote stable SEI layer formation and reduce lithium deposition overvoltage. The solution may also include a secondary additive such as calcium hydride (CaH2) or magnesium fluoride (MgF2) to further suppress lithium dendrite growth. The lithium secondary battery incorporating this electrolyte is designed to form a lithium metal layer with a thickness of 40 to 45 μm and a surface pore average diameter of less than 1 μm during the initial charging process, optimizing performance and stability.

NANOSIZED SULFIDE SOLID-STATE ELECTROLYTE MATERIAL AND PREPARATION METHOD THEREOF

Resumen de: US2025329774A1

Provided is a preparation method of a nanosized sulfide solid-state electrolyte material. The preparation method includes the following steps: (1) preparing a Li2S material; (2) mixing 10-100 parts by weight of a solvent, 0-1 parts by weight of a dispersant, and 1 part by weight of a raw material containing the Li2S material in a closed container, and drying the mixture to obtain an electrolyte precursor powder; and (3) heat treating, pulverizing and grinding the electrolyte precursor powder obtained in step (2) to obtain the nanosized sulfide solid-state electrolyte material. The invention is simple in preparation process and the prepared electrolyte is nanosized.

PYROGENICALLY PREPARED SURFACE MODIFIED MAGNESIUM OXIDE

Resumen de: US2025326653A1

A pyrogenically prepared surface modified magnesium oxide finds application in electronics, catalysis, paints and oils and as cathode and/or anode active material coating for the production of cathodes and/or anodes in lithium-ion and sodium-ion batteries. In a process for the preparation of a pyrogenically prepared surface modified magnesium oxide, a surface modification and a thermal treatment at elevated temperatures adapts the physical and chemical properties of the magnesium oxide.

ELECTRIC VEHICLE CHARGER AND NETWORK OF ELECTRIC VEHICLE CHARGERS

Resumen de: US2025326311A1

The invention related to a charger for electric vehicles, which comprises an input AC-DC converter from an external power grid, an energy storage battery, a DC-DC converter for charging an electric vehicle, a charging port for an electric vehicle as well as a controller configured to establish interconnections between the DC-DC converter and the input AC-DC converter or the energy storage battery with charging port of an electric vehicle for charging the electric vehicle or for charging energy storage battery. Further the charger comprises at least one supplementary DC-DC converter and an output DC-AC inverter to the external power grid, where the controller is configured to make additional, selective switching in response to input signals received from an electric vehicle and/or from the energy storage battery and/or from the external power grid. The application discloses further a network of chargers for charging electric vehicles.

BLOW MOLDED ARTICLE OF MANUFACTURE AND METHODS OF FORMING THE SAME

Resumen de: US2025326175A1

A blow molded article of manufacture includes first and second battery enclosures each having respective first and second laterally outward extending flanges, and a parison made of a polymeric material. The first and second battery enclosure components are disposed facing each other and with their respective first and second laterally outward extending flanges registered with each other and spaced apart from each other by an offset. The parison is sandwiched between and connects together the first and second battery enclosure components, such that the parison conforms with interior surfaces of the battery enclosure components and with the parison substantially filling the offset. The article of manufacture may be cut along a cut line through the parison and within the offset around an outer perimeter of the article of manufacture, thereby separating the article of manufacture into first and second battery enclosure assemblies. Methods of formation are also disclosed.

BATTERY HEATING METHOD, BATTERY HEATING CIRCUIT, AND ELECTRIC DEVICE

Resumen de: US2025326328A1

This application relates to a battery heating method, a battery heating circuit, and an electric device. The method includes: acquiring a heating enable signal indicating that a motor is to heat a battery based on a heating circuit, and controlling switching states of switching transistors in a switch circuit in response to the heating enable signal, so as to generate a half-wave current in the motor to heat the battery, where a current waveform of each phase stator winding during the motor-based battery heating process is a half-wave current waveform, thereby increasing current harmonics in stator windings of the motor and dispersing vibration noise energy during the motor-based battery heating process. Thus, as compared to conventional technologies, the vibration noise during the motor-based battery heating process in the embodiments of this application is reduced, thereby alleviating the vibration noise issue during the motor-based battery heating process.

BATTERY

Resumen de: US2025329765A1

A battery according to some implementations includes a first liquid electrode to undergo a first half reaction, a second liquid electrode to undergo a second half reaction, a hollow frame forming a first electrode reservoir to store the first liquid electrode and a second electrode reservoir to store the second liquid electrode, and a separating membrane coupled to the frame and disposed between the first electrode reservoir and the second electrode reservoir, wherein the frame includes an inter-electrode communication part configured to allow the first electrode reservoir and the second electrode reservoir to be in fluidic communication with each other.

ACTIVE, DYNAMIC, AND REVERSIBLE SHAPE MEMORY ALLOY FILM THERMO-MECHANICAL SAFETY SWITCHES

Resumen de: US2025329897A1

A battery system includes a first electrical interface and safety switch connected to the first electrical interface and including a shape memory alloy element configured to deform from an unactuated configuration to an actuated configuration in response to reaching an activation temperature. A second electrical interface is connected to the safety switch, and the connection between the first electrical interface, the safety switch, and the second electrical interface enables electrical current to flow through a LIB cell. When the shape memory alloy element is the unactuated configuration, the safety switch directly engages the first electrical interface and the second electrical interface and enables electrical current to flow through the LIB cell. When in the actuated configuration, the safety switch disconnects from at least one of the first electrical interface and the second electrical interface and disables electrical current from flowing through the LIB cell.

SECONDARY BATTERY, BATTERY GROUP AND ELECTRONIC APPARATUS

Resumen de: US2025329895A1

A secondary battery, a battery group, and an electronic apparatus are provided. The secondary battery includes a casing, a terminal post, and an insulating member. The casing includes an end wall, and the end wall is provided with a terminal post hole. The terminal post includes a post portion that passes through the terminal post hole and a riveted portion that is folded towards an outer edge of the end wall relative to the post portion. A portion where the riveted portion is connected to the post portion is a transition portion, and the transition portion undergoes material deformation when the riveted portion is folded toward the outer edge of the end wall. The insulating member is configured to isolate the terminal post from the end wall and includes a compression-bearing portion in contact with the terminal post.

POWER STORAGE MODULE

Resumen de: US2025329899A1

A power storage module includes a stacked electrode assembly including a plurality of electrodes stacked in a first direction. The stacked electrode assembly has a circumferential surface extending in a second direction perpendicular to the first direction, and facing a housing. The power storage module includes an insulating sheet portion disposed between the circumferential surface and the housing and covers the circumferential surface. The insulating sheet portion has first and second insulating sheets extending in the second direction and covering a portion of the circumferential surface. The first and second insulating sheets partially overlap in a circumferential direction of the stacked electrode assembly. The second direction is the longitudinal direction of the overlapped region where the first insulating sheet and the second insulating sheet overlap. The first and second insulating sheets are welded together at multiple locations separate from each other in the second direction in the overlapped region.

SYSTEM AND METHOD FOR DESIGNING AND CONTROLLING A DUAL ENERGY STORAGE SYSTEM

Nº publicación: US2025326327A1 23/10/2025

Solicitante:

ELECTRA VEHICLES INC [US]
Electra Vehicles, Inc

Resumen de: US2025326327A1

An electrical storage system comprises a first energy storage system and a second energy storage system having a lower electrical energy density and a higher rated electrical power output capability than the first energy storage system, at least one electrical power sensor configured to sense over a plurality of time intervals, electrical power usage information for a load electrically coupled to the first energy storage system and the second energy storage system, and at least one computer processor programmed to determine based, at least in part, on the sensed electrical power usage information and a power requirement of the load in a current time interval, charging/discharging parameters for each of the first energy storage system and the second energy storage system, and control charging/discharging of each of the first and second energy storage systems in accordance with the determined charging/discharging parameters during the current time interval.