Alerta

ONE-STEP INDUCTION WELDING ASSEMBLY CONFIGURATION FOR A BATTERY ENCLOSURE

Absstract of: US2025375831A1

A one-step induction welding assembly configuration for a battery enclosure includes a tray constructed of a constructed of thermoplastic composite material. The tray is part of the battery enclosure. The one-step induction welding assembly configuration also includes a cooling component constructed of one of the following: thermoplastic composite material and metal, where the cooling component is joined to the tray at a joining interface, and the cooling component is part of the battery enclosure. The one-step induction welding assembly configuration also includes a plurality of induction coils that are energized to create an electromagnetic field that generates heat and joins the tray and the cooling component together at the joining interface, a layer of electrically insulating material disposed directly underneath the plurality of induction coils, and a die that exerts a clamping force against the tray of the battery enclosure.

AEROSOL GENERATING DEVICE AND CONTROL METHOD THEREOF

Absstract of: US2025374969A1

An aerosol generating device includes: a heater configured to heat an aerosol generating material to generate an aerosol; a battery configured to supply power to the heater; a controller configured to determine an operating state of the aerosol generating device divided into a heating state and a non-heating state; a first circuit unit configured to control operation of the heater; and a second circuit unit configured to control charging and discharging of the battery, wherein the controller communicates with the first circuit unit in the heating state, communicates with the second circuit unit in the non-heating state, and, on the basis of a result of the communication, determines whether or not an abnormality has occurred according to the operating state of the aerosol generating device, thus allowing a safety accident of the aerosol generating device to be prevented in advance.

Laser Etching Device, Laser Etching System, Electrode Etched Using Laser and Method for Manufacturing the Electrode

Absstract of: US2025375836A1

A laser etching device, which etches an active material portion on an electrode sheet including the active material portion and a non-coating portion, according to an embodiment of the present invention includes a laser unit configured to irradiate laser onto the active material portion, a blowing unit configured to blow foreign substances generated by the etching of the active material portion toward the non-coating portion, and a suction unit disposed at an opposite side of the blowing unit with the laser unit therebetween to suction the foreign substances, wherein the laser unit, the blowing unit, and the suction unit are disposed in a direction traversing a moving direction of the electrode sheet.

FIRE EXTINGUISHING STRUCTURE, BATTERY PACK INCLUDING THE SAME, AND METHOD OF MANUFACTURING FIRE EXTINGUISHING STRUCTURE

Absstract of: US2025375638A1

A fire extinguishing structure on a plurality of battery cells, the fire extinguishing structure configured to extinguish a fire when the fire occurs in at least one of the plurality of battery cells, the fire extinguishing structure including a plurality of first support members, a plurality of second support members cross-fastened to the plurality of first support members, the plurality of first support members and the plurality of second support members together defining a lattice structure, and a fire extinguishing patch included on at least one of the plurality of first support members or the plurality of second support members.

APPARATUS AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE

Absstract of: US2025375792A1

Apparatuses and methods for manufacturing negative electrodes are disclosed. in an embodiment, an apparatus for manufacturing a negative electrode includes upper and lower magnet plates, each having (N+1) magnet modules with unit magnets arranged and offset in the Y-axis by N×d based on magnetic force direction patterns to control electrode alignment.

MULTI-LAYER LAMINATED CELL BATTERY

Absstract of: WO2025252227A1

A multi-layer laminated cell battery, comprising: a laminated cell assembly, a positive electrode cover plate, and a negative electrode cover plate, wherein the laminated cell assembly comprises a plurality of layers of laminated cells, tabs are connected to both ends of each laminated cell, and the tabs at different layers are misaligned with each other; the positive electrode cover plate and the negative electrode cover plate are respectively mounted at both ends of the laminated cells; a busbar connecting piece in contact with tabs is mounted on the surface of each of the positive electrode cover plate and the negative electrode cover plate. By mounting tabs and busbar connecting pieces at both ends of a plurality of layers of laminated cells and connecting a plurality of tabs to the busbar connecting piece on the same side, the discharge requirements of the plurality of layers of laminated cells are satisfied. The tabs comprise current guide pieces of different lengths, so as to adapt to the conductivity requirements of laminated cells at different heights; and when the lengths of tab connecting pieces of the laminated cells are insufficient to satisfy the assembly requirements, the current guide pieces are added onto the tab connecting pieces so as to satisfy the assembly requirements.

BATTERY ELECTROLYTE FILL HOLE SEALING STRUCTURE AND BATTERY

Absstract of: WO2025252153A1

A battery electrolyte fill hole sealing structure and a battery. The battery electrolyte fill hole sealing structure comprises a battery cover plate (100), a sealing pin (300), and a sealing cover (400); the sealing pin (300) is made of fluororubber, the sealing pin (300) is in interference fit with an electrolyte fill hole (110) on the battery cover plate (100), the compression ratio Ψ of the sealing pin (300) in the radial direction thereof satisfies the value range of 5.08% to 10.6%, and a first sealing surface is formed between the sealing pin (300) and the electrolyte fill hole (110); the sealing cover (400) is arranged in an accommodating recess (120) on the battery cover plate (100), the sealing cover (400) is welded to the side wall of the accommodating recess (120) and a second sealing surface is formed at the welding position.

BATTERY PACK, ENERGY STORAGE APPARATUS AND METHOD FOR MONITORING STATE OF CHARGE OF BATTERY PACK

Absstract of: WO2025251967A1

Provided in the embodiments of the present application are a battery pack, an energy storage apparatus and a method for monitoring the state of charge of a battery pack. The battery pack comprises a plurality of battery cells, the plurality of battery cells each comprising a casing and, accommodated in the casing, a positive tab and a negative tab. The plurality of battery cells comprise sodium-ion batteries and lithium-ion batteries, the negative tabs of the sodium-ion batteries being electrically connected to the casings of the sodium-ion batteries, the positive tabs of the lithium-ion batteries being electrically connected to the casings of the lithium-ion batteries, and the casings of the sodium-ion batteries being electrically connected to the casings of the lithium-ion batteries. In the present application, the sodium-ion batteries are introduced into a lithium iron phosphate battery system so as to reduce costs, and when the sodium-ion batteries and the lithium iron phosphate batteries are integrated into a whole, no wire connection is required, thus reducing the complexity of connection and the total internal resistance. In addition, by means of a sodium-ion battery charge-discharge curve, the estimation accuracy of the SOC of the battery pack is estimated.

BATTERY THERMAL MANAGEMENT MODULE FOR WORK MACHINE

Absstract of: US2025379287A1

A battery thermal management module for a work machine includes a housing. The housing includes a first side wall, a second side wall disposed opposite the first side wall along a first axis, a top wall extending along the first axis and connecting the first side wall with the second side wall, and a bottom wall disposed opposite the top wall and connecting the first side wall with the second side wall. The battery thermal management module is adapted to be removably coupled with the work machine, proximal to a front end of the work machine, via at least one of the first side wall, the second side wall, the top wall, and the bottom wall of the housing. The battery thermal management module also includes a cooling assembly disposed within the housing and adapted to supply a coolant to a battery system associated with the work machine.

OPPOSED TERMINAL CELL CONFIGURATION

Absstract of: US2025379280A1

A cell includes a cell housing, at least one end cap, at least three terminals, the at least three terminals including at least one positive terminal and at least one negative terminal. The cell further includes a coupling device for each of the at least three terminals, the coupling device including a busbar and a thermal interface material, the busbar being in contact with and disposed between the terminal and the thermal interface material, the busbar and the thermal interface material thermally coupling the terminal to a top or bottom cold plate. The thermal interface material further electrically insulates the top or bottom cold plate from the terminal.

CASIMIR POWER CELL

Absstract of: AU2024285430A1

A battery includes a Casimir-effect powered cell (Casimir cell). The Casimir cell includes a first conductive wall; a second conductive wall that faces the first conductive wall; and a conductive antenna disposed in a cavity gap that is a space between the first conductive wall and the second conductive wall. The conductive antennal faces the first conductive wall and the second conductive wall. The first conductive wall and the second conductive wall produce a same first voltage potential. The conductive antenna produces a second voltage potential that is different from the first voltage potential. A voltage that is the difference between the first voltage potential and the second voltage potential is generated by Casimir phenomenon based on arrangement of the conductive antenna between the first conductive wall and the second conductive wall.

ANODE PASTE, PREPARATION METHOD AND USE

Absstract of: AU2024262991A1

An anode paste, which comprises: a carbon material, a coating agent and asphalt, wherein the asphalt coats the surface of the carbon material and/or the asphalt coats the surface of the carbon material with a coating agent located therebetween, and the carbon material and/or the coating agent are bonded to form the anode paste; or the asphalt is dispersed in the carbon material and/or the asphalt is dispersed in a carbon material coated with the coating agent to form the anode paste. The anode paste is an anode paste having a low asphalt content and high fluidity, such that the technical difficulty of poor fluidity of an anode paste under the condition of a low asphalt content or using a resin instead of asphalt as a binder is broken through, the problem of the resin and asphalt being not possible to be used as a carbon material binder at the same time is solved, an optimal combination new technology of a resin and asphalt is researched, the respective advantages of a resin and asphalt are exerted, and the respective defects thereof in the aspect of bonding a carbon material are overcome.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME

Absstract of: KR20250173959A

본 발명은 전기화학소자용 분리막 및 이를 포함하는 전기화학소자에 관한 것으로, 전기화학소자의 분리막에 있어서 접착층의 고분자 바인더는 코어-쉘(core-shell) 구조를 가지고, 상기 코어-쉘 구조의 쉘 부분의 제2 고분자 바인더의 전해액 내 용해도를 조절하여 전기화학소자의 분리막의 접착력이 증가되고, 해당 분리막을 적용한 전기화학소자의 셀 저항 감소 및 셀 수명이 개선된 전기화학소자용 분리막 및 이를 포함하는 전기화학소자에 관한 것이다.

MATERIALS FOR USE IN BATTERIES AND METHODS OF MANUFACTURING THE SAME, AND BATTERIES

Absstract of: AU2024259784A1

The present disclosure discloses a material for use in a battery, a method of manufacturing the material, and a battery. The material comprises: an active material configured to undergo a chemical reaction during charging and/or discharging of the battery; and one or more metal atoms configured to hold one or more oxygen atoms of the active material and to inactivate one or more oxygen atoms of the active material during charging and/or discharging of the battery. The material enables the anode of the battery to have higher Coulombic efficiency. The present disclosure discloses a material for use in a battery, a method of manufacturing the material, and a battery. The material comprises: an active material configured to undergo a chemical reaction during charging and/or discharging of the battery; and one or more metal atoms configured to hold one or more oxygen atoms of the active material and to inactivate one or more oxygen atoms of the active material during charging and/or discharging of the battery. The material enables the anode of the battery to have higher Coulombic efficiency.20 ov o v Fig.1 Fig.2 FE_SEM SEI 5.0kV X10,000 WD 10.0mm 1 um Fig.1 dV/dD -O-V 0.004 -0.085 0.004 -0.077 0.003 0.068 0.003 0.060 0.003 0.051 0.002 -0.043 0.002 0.034 0.002 -0.026 0.001 0.017 0.001 0.009 0.001 -0.000 1 2 3 4 5 6 7 8 9 25 50 D/ nm Fig.2 ov o v _ k , m m d d - - dV/dD ml/nm/g m l g

POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Absstract of: AU2023455561A1

A positive electrode material, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: (1) mixing a vanadium source, a complexing agent and a high-molecular polymer with an organic solvent to obtain a mixed solution; (2) respectively performing an atomization treatment on the mixed solution and a metal salt solution, and respectively conveying the mixed solution and the metal salt solution with a gas into a spray pyrolysis furnace to perform mixed pyrolysis, so as to obtain a coated precursor; and (3) mixing the coated precursor with a lithium source or a sodium source, and sintering same to obtain a positive electrode material. By using a spray pyrolysis method, the tap density and uniformity of the precursor are improved while the precursor is coated, such that a positive electrode material having good performance can be prepared.

Cell pouch film and method for preparing the same secondary battery using the cell pouch film and method for manufacturing the secondary battery

Absstract of: KR20250173979A

본 명세서의 일 측면은, 셀 파우치 필름으로서, 적어도 외층, 배리어층 및 내층인 실란트층을 포함하고, 상기 외층은 폴리에틸렌테레프탈레이트(PET) 필름 및 나일론 필름을 포함하고, 상기 배리어층은 두께가 60~80㎛인 알루미늄 박막이며, 상기 알루미늄 박막의 평균 결정립도는 6~7㎛이고, 상기 내층은 두께가 60~100㎛이고, 상기 내층은 라만 결정화도가 51 내지 59%인 것을 특징으로 하는 셀 파우치 필름 및 그 제조 방법이 개시된다. 본 명세서의 일 측면에 따른 셀 파우치 필름은 고강성 및 고성형성을 가지면서도, 절연저항 특성에서 우수하며 성형틀 형상의 재현성을 확보할 수 있어, 중대형 특히 차세대 전기 자동차용 셀 파우치 필름으로서 효과적이다.

SECONDARY BATTERY

Absstract of: US2025372777A1

A secondary battery includes: an electrode assembly including a first electrode, a second electrode, and a separator wound between the first electrode and the second electrode, the electrode assembly having a through-hole in a core portion; a case to accommodate the electrode assembly inserted through an opening in one side of the case, the case including a first thread on a side surface of the opening; a cap assembly to seal the opening of the case, and including a cap plate having a sidewall portion comprising a second thread to correspond to the first thread; and a center pin located inside the through-hole, and to be stretched in a longitudinal direction.

POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Absstract of: KR20250173902A

본 발명은 양극 활물질층을 포함하고, 상기 양극 활물질층은 양극 활물질 및 특정 화학식으로 표시되는 화합물을 포함하는 양극을 제공한다. 본 발명에 따른 양극 및 상기 양극을 포함하는 리튬 이차전지는 고온, 고전압 구동 시 리튬 이차전지의 수명 성능 및 저장 성능이 향상되며, 저항의 증가를 현저한 수준으로 방지할 수 있다.

ELECTRODE PLATE SECONDARY BATTERY INCLUDING SAME AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Absstract of: US2025372727A1

Embodiments of the present disclosure may provide an electrode plate. The electrode plate includes: a mixture section where an active material is on a substrate; an uncoated section where the active material is not on the substrate; a tab coupled to the uncoated section; and a resin layer on the mixture section.

All-solid-state battery

Absstract of: KR20250173924A

개시된 전고체 전지는, 제1 방향을 따라 적층된 양극층, 고체전해질층 및 음극층을 포함하는 적층체, 상기 적층체의 외부에 배치되고 상기 양극층에 연결되는 제1 외부 전극, 및 상기 적층체의 외부에 배치되고 상기 음극층에 연결되는 제2 외부 전극을 포함하고, 상기 양극층은, 양극 집전체 및 상기 양극 집전체 상에 배치되고 상기 고체 전해질층에 접하는 양극 활물질층을 포함하고, 상기 음극층은, 음극 집전체 및 상기 음극 집전체 상에 배치되고 상기 고체 전해질층에 접하는 음극 활물질층을 포함하며, 상기 적층체는 상기 제1 방향과 교차하는 제2 방향으로 휘어질 수 있다.

Manufacturing method of negative electrode negative electrode and lithium secondary battery containing the same

Absstract of: KR20250173968A

본 발명의 예시적인 실시예들에 따른 음극은, 음극 집전체; 및 상기 음극 집전체의 적어도 일면 상에 배치되는 음극 활물질층을 포함하고, 상기 음극 활물질층은, 집전체를 향해 만입된 오목부를 구비한 제1 음극 영역; 및 상기 오목부 상에 배치되는 제2 음극 영역을 포함하며, 상기 제2 음극 영역은 음극 활물질로서 리튬 티타늄 산화물 및/또는 니오븀 산화물을을 포함한다.

OUTLET DUCT SYSTEM FOR VEHICLE AIR-COOLED BATTERY

Absstract of: US2025372763A1

A duct structure for an air-cooled battery including a duct configured to guide air flowing out from a battery assembly disposed under a floor of a vehicle in a longitudinal direction of the vehicle, and a carpet pad covering the duct, where the carpet pad includes a guide passage extending from a portion of the carpet pad adjacent to the duct to a side edge of the floor.

ELECTRODE FOR RECHARGEABLE BATTERY AND ELECTRODE ASSEMBLY INCLUDING THE SAME

Absstract of: US2025372611A1

An electrode for a rechargeable battery according to an embodiment of the present disclosure includes a substrate, and an active material layer formed on the substrate, the active material layer including a first region and a second region having respective porosities which are different from each other, wherein the porosity of the first region is greater than the porosity of the second region.

ELECTRODE ASSEMBLY AND BATTERY CELL HAVING THE SAME

Absstract of: US2025372834A1

The present disclosure relates to an electronic assembly including a first electrode including a first uncoated portion, a first flag portion formed by extending a part of the first uncoated portion, and a first extension portion connecting the first uncoated portion and the first flag portion, a second electrode, and a separator arranged between the first electrode and the second electrode, wherein the first electrode, the second electrode, and the separator are wound in a form of a roll around a virtual winding center, and wherein the first flag portion comprises at least one inner bent region bent in the winding center direction and at least one outer bent region bent in an opposite direction to the winding center direction.

전지용 셀의 제조 방법 및 유닛

Nº publicación: KR20250174092A 11/12/2025

Applicant:

베르코어

Absstract of: WO2024224315A1

The invention relates to a method for manufacturing a cell for a secondary battery, comprising: - a first operation of unrolling a separator film (3), - a second operation of depositing, on the separator film (3), a first electrode (1), - a third operation of holding against the separator film (3) a first lateral edge (4) and a first longitudinal edge (6) of the first electrode (1), by means of a first holding element (8), and a second lateral edge (5) opposite the first lateral edge (4) and the first longitudinal edge (6) of the first electrode (1), by means of a second holding element (10), - a fourth operation of unrolling the separator film (3) to cover the first electrode (1).