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Analysis model selection system for predicting remaining lithium-ion battery capacity

Resumen de: KR20250086079A

본 발명은, 분석대상 배터리의 충방전 상태 데이터 및 충방전시 잔존 용량 데이터를 수집하는 정보 수집모듈, 상기 정보 수집모듈에서 제공되는 상기 충방전 상태 데이터를 해당 배터리의 잔존 용량을 예측하기 위해서 기 구축된 복수의 분석모델에 적용하여 결과 값을 산출하는 분석모듈, 상기 분석모듈에서 제공된 결과 값과 상기 잔존 용량 데이터를 비교하여 상기 분석모델 별로 예측 정확도를 산출하는 정확도 산출모듈 및 상기 정확도 산출모듈에서 산출된 예측 정확도 정보를 토대로 상기 분석모델들 중 예측 정확도가 가장 높은 분석모델을 선정하는 모델 선정모듈을 특징으로 한다. 본 발명에 따르면, 배터리의 주변 온도와 반복되는 화학 반응으로 인하여 출력 및 저장능력에 의한 성능저하를 산출할 수 있도록 배터리의 잔존 용량을 예측할 수 있는 분석모델을 선정하는 시스템을 제공하는데 그 목적이 있다. (국문) 본 과제(결과물)는 2023년도 교육부의 재원으로 한국연구재단의 지원을 받아 수행된 지자체-대학 협력기반 지역혁신 사업의 결과입니다.(2021RIS-002) (영문) This research was supported by "Regional Innovation Strategy (RIS)" through the National Research Foundation of Korea(NRF) funded by the Ministry of Education(MOE)(2021RIS-002)

LITHIUM SECONDARY BATTERY WITH SUPERIOR THERMAL SAFETY

Resumen de: KR20250085886A

본 발명의 일 실시예에 따르면, 양극 집전체와, 상기 양극 집전체의 일면 또는 양면에 형성된 양극 활물질층을 포함하는 양극, 음극 집전체와, 상기 음극 집전체의 일면 또는 양면에 형성된 음극 활물질층을 포함하는 음극, 기재와, 상기 기재의 일면 또는 양면에 형성되고 리튬 알루미늄 티타늄 포스페이트(LATP)을 포함하는 산화물계 고체 전해질층을 포함하는 분리막;을 포함하고, 상기 음극 활물질층과 산화물계 고체 전해질 코팅층은 서로 대면하고, 상기 산화물계 고체 전해질층과 상기 음극 활물질층의 계면에서 상기 LATP의 환원물 및 SEI 물질을 포함하는 무기층이 형성되고, 상기 무기층 내의 F의 원자 함유량은 상기 무기층 내 존재하는 모든 원자들을 기준으로 7 내지 15 원자%로 포함되는 리튬 이차전지가 제공된다.

Secondary battery and battery pack containing secondary battery

Resumen de: US2025192237A1

A secondary battery includes: a case having a space therein; an electrode assembly in the space of the case; a cap plate coupled to an upper portion of the case to seal the case; a current collector comprising a terminal connection part between the electrode assembly and the cap plate and an electrode connection part connected to an end of the terminal connection part in a vertical direction and between the electrode assembly and the case; an electrode terminal coupled to the terminal connection part of the current collector by passing through the cap plate; and an insulating member interposed between the cap plate and the electrode assembly, wherein the insulating member comprises an insertion groove in a side surface thereof, and at least a portion of the terminal connection part is inserted into the insertion groove of the insulating member.

Cylindrical secondary battery

Resumen de: US2025192287A1

A cylindrical secondary battery includes: an electrode assembly; a can accommodating the electrode assembly therein, and including an upper surface portion in which a terminal hole is formed at one end, and a cylindrical side portion extending downward from the upper surface portion; a terminal portion coupled to the terminal hole and electrically connected to the electrode assembly; a cap plate coupled to an end portion of the side portion and electrically connected to the electrode assembly; and an anti-corrosion material at a coupling portion of the side portion and the cap plate.

연속 리본형 분리막과 호일 시트를 교대로 적층하기 위한 적층 장치 및 연속 리본형 분리막과 호일 시트를 적층하는 방법

Resumen de: WO2024074998A1

A stacking apparatus (1) comprising a stacking station (26) configured to receive foil sheets (100, 101); a first transfer device (10) for transferring first foil sheets (100) and a second transfer device (11) for transferring second foil sheets (101) movable alternately between a pick-up position and a release position; a feeder device (27) of a ribbon-like separator (102) towards the stacking station (26); a displacement device (29) fed by the feeder device (27) and comprising an accompanying device (30) movable between a first end position (P1) and a second end position (P2) and above the stacking station (26) when the second transfer device (11) moves from the release position to the pick-up position, and movable from the second end position (P2) to the first end position (P1) and above the stacking station (26) when the first transfer device (10) moves from the release position to the pick-up position. The displacement device (29) moves the accompanying device (30) between the first end position (P1) and the second end position (P2) and between the second end position (P2) and the first end position (P1) along a curved path (PC).

ALL-SOLID RECHARGEABLE BATTERY

Resumen de: WO2025121560A1

Provided is an all-solid rechargeable battery. The all-solid rechargeable battery according to an embodiment includes: a plurality of unit cells including a negative electrode, a solid electrolyte layer, and a positive electrode; a first elastic sheet disposed between and at an outermost side of the plurality of unit cells to form a stack cell and buffering a volume change of the unit cells during charging and discharging; a second elastic sheet disposed at an outer side of the stack cell; and an end plate disposed at an outer side of the second elastic sheet, wherein the second elastic sheet includes a first layer for providing an elastic force to the stack cell and a second layer interposed between the first layer and the end plate to provide stress relaxation.

LITHIUM SECONDARY BATTERY

Resumen de: KR20250086537A

본 발명에 따른 리튬 이차 전지는, 양극재 분말을 포함하는 양극; 음극; 및 전해질을 포함하는 리튬 이차 전지이며, 상기 양극재 분말은, 리튬 금속 산화물 입자 및 상기 리튬 금속 산화물 입자 표면에 형성되는 코팅층을 포함하는 양극 활물질 입자를 포함하고, 하기 조건 1 및 조건 2 중 적어도 하나를 만족하는 것이다. 조건 1) 상기 양극재 분말의 D50과 동일한 입경을 갖는 양극 활물질 입자 15개 이상을 선택하고, 각각의 입자에 대하여 오제 전자 분광법(AES)으로 하기 식 1로 정의되는 A값을 측정하였을 때, 상기 측정된 각 입자들의 A값들의 중앙값(median)이 0.85 이상 식 1 A = Ec/(Ec+Eb) 상기 식 1에서, 상기 Ec는 측정 대상 양극 활물질 입자 표면에서 전체 원소의 총 원자수에 대한 코팅 원소 원자수의 비이며, 상기 Eb는 측정 대상 양극 활물질 입자 표면에서 전체 원소의 총 원자수에 대한 상기 리튬 금속 산화물 입자 내에 포함된 리튬을 제외한 금속 원소 중 가장 높은 몰 비를 갖는 금속 원소의 원자수의 비임. 조건 2) 상기 양극재 분말의 D50과 동일한 입경을 갖는 양극 활물질 입자의 표면에서 15개 이상의 측정 영역을 선택하고, 상기 각각의 측정 영역에서 오제 전자 분광법(AES)으로 하기 식 2로 정의되는 B값을 측정하였을 때, 상기 측정

CELL POUCH FOR SECONDARY BATTERY AND ITS MANUFACTURING METHOD

Resumen de: US2025192289A1

A cell pouch for a secondary battery is described. The cell pouch for a secondary battery includes: an inner resin layer; a barrier layer; and an outer resin layer, wherein the inner resin layer, the barrier layer, and the outer resin layer are sequentially laminated, wherein the inner resin layer comprises an aluminum adhesive layer, a core layer, and a sealing layer sequentially laminated, wherein propylene ethylene rubber (PER) contents of the aluminum adhesive layer, the core layer, and the sealing layer are respectively X, Y, with Z, 0≤X+Y+Z≤30%, 0≤X≤20%, and 0≤Y≤30%, where X is a factor inversely proportional to an electrolyte resistance, and Y is a factor proportional to a formability. The electrolyte resistance and formability of secondary battery cells are improved to achieve excellence and reliability.

Cylindrical secondary battery

Resumen de: KR20250086346A

원통형 이차 전지가 개시된다. 본 발명의 일 측면에 따른 원통형 이차 전지는, 원통형 이차 전지에 있어서, 음극 기판, 상기 음극 기판의 일측면에 형성되는 제1 음극부 및 상기 음극 기판의 타측면에 형성되는 제2 음극부를 포함하는 음극; 양극 기판, 상기 양극 기판의 일측면에 형성되는 제1 양극부 및 상기 양극 기판의 타측면에 형성되는 제2 양극부를 포함하는 양극; 상기 제2 음극부와 상기 제1 양극부 사이에 배치되는 제1 분리막; 및 상기 제1 음극부와 상기 제2 양극부 사이에 배치되는 제2 분리막;을 포함하고, 상기 음극 기판은, 상기 제1 음극부가 형성되는 제1 음극 기판; 및 상기 제1 음극 기판으로부터 연장되고, 상기 제1 음극부가 형성되지 않는 제2 음극 기판을 포함할 수 있다.

배터리용 배터리 페이스트 접착 공정

Resumen de: WO2024076553A2

A method of making substrates, such as grids, for assembly with lead-acid batteries is set forth herein. The grids can take the form of a strip of a multitude of serially-connected metal grids. The grids can ultimately be employed as positive electrodes or negative electrodes in a larger lead-acid battery assembly. Surfaces of the grids can be contacted with an aqueous solution, such as submergence in a bath thereof, as an example. The aqueous solution can comprise hydrogen peroxide.

Discharging device electrode slitting system and electrode manufacturing method using the same

Resumen de: WO2025121868A1

The present invention relates to a discharge device provided to cut an electrode sheet in the widthwise direction to form a plurality of electrodes and then discharge remaining offcuts except for the plurality of electrodes, the discharge device comprising: a discharge part provided to discharge the offcuts to the outside; a discharge guide roller provided to transfer the offcuts to the discharge part; and a meandering control roller provided in a section in which the offcuts are transferred to the discharge part and having a comb-pattern formed on the surface thereof to control the positions of the offcuts coming into contact with a roll surface in one direction or in the other direction.

리튬 이온 이차전지용 양극 활물질의 제조 방법

Resumen de: JP2024065998A

To provide a manufacturing method for a positive electrode active material for a lithium ion secondary battery, in which gas generation can be suppressed in the use for a lithium ion secondary battery.SOLUTION: A manufacturing method for a positive electrode active material for a lithium ion secondary battery includes a mixing step of mixing a nickel containing object containing at least nickel and a lithium compound, thereby preparing a first raw material mixture, a burning step of burning the first raw material mixture in an oxidative atmosphere, thereby obtaining a burned object, a water-washing step of water-washing the burned object obtained in the burning step, thereby obtaining water-washed powder, a boron adding step of mixing the water-washed powder obtained in the water-washing step and a boron containing object corresponding to at least one kind selected from a boron simple substance and a boron compound, thereby preparing a second raw material mixture, a thermal processing step of thermally processing the second raw material mixture, and a cooling step of cooling in an atmosphere in the temperature range that is less than or equal to at least a boundary temperature used as a decarbonation atmosphere after the thermal processing step.SELECTED DRAWING: Figure 3

불소 함유 중합체, 프라이머 슬러리, 이차 전지 및 전기 장치

Resumen de: CN118765291A

The invention provides a fluorine-containing polymer, a prime coat slurry, a secondary battery and an electric device. The fluorine-containing polymer comprises a structural unit derived from a monomer as shown in a formula I and a structural unit derived from a monomer as shown in a formula II, the molar content of the structural unit derived from the monomer as shown in the formula I is 70%-90%, and based on the total mass of the structural units in the fluorine-containing polymer, R1, R2 and R3 are independently selected from one or more of hydrogen, fluorine, chlorine and fluorine-substituted C1-3 alkyl, and R1, R2 and R3 are independently selected from one or more of hydrogen, fluorine, chlorine and fluorine-substituted C1-3 alkyl. R4, R5 and R6 are independently selected from one or more of hydrogen and substituted or unsubstituted C1-5 alkyl groups, and R7 is selected from substituted or unsubstituted C1-9 alkyl groups.

LITHIUM METAL ELECTRODE IN WHICH DENDRITE FORMATION IS SUPPRESSED AND PREPARING METHOD FOR MANUFACTURING OF THE SAME AND SECONDARY BATTERY COMPRISING THE SAME

Resumen de: WO2025121964A1

The present invention relates to a lithium metal electrode in which dendrite formation is suppressed, a method for manufacturing same, and a secondary battery comprising same, the lithium metal electrode comprising: a current collector; a metal-organic framework coated on the current collector, the metal-organic framework comprising a lithium-affinity metal ion and an organic linker; and lithium metal plated on the metal-organic framework.

secondary battery

Resumen de: WO2025121548A1

An embodiment of the present invention relates to a secondary battery, the secondary battery comprising: a plurality of electrode assemblies, each comprising a plurality of first electrode plates, a plurality of second electrode plates, and a plurality of separators between respective first and second electrode plates; a case for accommodating the electrode assemblies; a plurality of first current collector plates electrically connected to the first electrode plates; and a plurality of second current collector plates electrically connected to the second electrode plates; and cap assembly comprising first and second terminals electrically connected to the respective first and second current collector plates, and a cap plate that couples to the case. According to an embodiment of the present invention, by having a plurality of electrode assemblies and current collector plates electrically connected thereto, weldability of the electrode assemblies can be improved. Accordingly, a secondary battery of high capacity and high density can be provided.

BATTERY SYSTEM FOR ELECTRIC VEHICLE

Resumen de: US2025192270A1

A battery system for an electric vehicle includes a plurality of battery packs mounted, in an interchangeable manner, to a plurality of pack-installed locations successively arranged in a longitudinal direction of the electric vehicle; a plurality of cooling blocks provided respectively above the battery packs; a refrigerant supply pipe arranged at a first side of the plurality of pack-installed locations while extending in the longitudinal direction, and formed to supply a refrigerant to the cooling blocks; and a refrigerant recovery pipe arranged at a second side of the plurality of pack-installed locations while extending in the longitudinal direction and formed to recover the refrigerant from the cooling blocks.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY MANUFACTURING METHOD OF THE SAME AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Resumen de: WO2025121935A1

The present invention relates to a cathode active material for a lithium secondary battery, comprising: a lithium metal oxide which has a lithium and manganese-rich composition, and is in the form of a secondary particle formed by aggregating a plurality of rod-shaped primary particles; a first coating layer which surrounds the entire surface of the secondary particle in the form of a film and contains Al; a second coating layer which surrounds the surfaces of at least some of the plurality of primary particles present in a core part in the secondary particle in the form of a film and contains Al; and a third coating layer which surrounds the surfaces of at least some of the plurality of primary particles present in a shell part in the secondary particle in the form of a film and contains Al.

WAREHOUSE FOR THE FORMATION OF ELECTROCHEMICAL CELLS AND METHOD FOR AT LEAST PARTIALLY FORMING ELECTROCHEMICAL CELLS

Resumen de: WO2025120527A1

A warehouse (10) for the formation of electrochemical cells (100), comprising a containment structure (12) within which are housed: a plurality of formation modules (16), a plurality of drawers (20), a plurality of formation stations (15) and at least one service station (27); wherein each formation module (16) is configured to be coupled to a cell tray (11) to implement an at least partial formation cycle of electrochemical cells (100) contained in the cell tray (11); wherein at least part of at least one formation module (16) of the plurality of formation modules (16) is placed in each drawer (20) of at least one group of drawers of the plurality of drawers (20); wherein each drawer (20) of the at least one group of drawers (20) is movable within the containment structure (12) between at least one formation station (15) and the service station (27).

AN ADHESIVE SHEET

Resumen de: WO2025119717A1

The present invention is directed to an adhesive sheet for use in e-battery bonding comprising: a first electrically conductive foil; a second electrically conductive foil; and an electrically conductive and debondable 2K epoxy adhesive composition, wherein the electrically conductive and debondable 2K epoxy adhesive composition is disposed between the first and second conductive foils.

CHARGING SYSTEM FOR A VEHICLE ENERGY STORAGE SYSTEM

Resumen de: WO2025119702A1

This invention provides a charging system for charging an energy storage system of a vehicle comprising a charging apparatus (4) comprising a charger (44) configured to supply power to the energy storage system of the vehicle (22), a cooling system for cooling the energy storage system of the vehicle and/or one or more components of the charging apparatus, and a controller. The cooling system comprises a pump (38) configured to pump a cooling fluid, a first fluid (6) line and a second fluid line (8), both fluid lines being in fluid communication with the pump (38) and configured for connection to opposite ends of an in-vehicle cooling line (16) for the energy storage system. The controller is configured to control the cooling fluid to selectively flow through the first fluid line (6), second fluid line (8), and the in-vehicle cooling line (16) in a first direction or in a second direction, opposite to the first direction, according to a cooling fluid flow programme.

Fahrzeug mit einem elektrischen Energiespeicher und einer thermischen Isolationsvorrichtung

Resumen de: DE102023005063A1

Die Erfindung betrifft ein Fahrzeug (1) mit einem im Bereich einer Unterbodenverkleidung (1.1) angeordneten elektrischen Energiespeicher (2) und einer thermischen Isolationsvorrichtung (3), wobei die thermische Isolationsvorrichtung (3) an einer Unterseite (2.1) des elektrischen Energiespeichers (2) angeordnet und zumindest zwischen zwei Stellungen (P1, P2) relativ zur Unterseite (2.1) des elektrischen Energiespeichers (2) verstellbar ausgebildet ist, wobei in einer ersten Stellung (P1) die thermische Isolationsvorrichtung (3) an der Unterseite (2.1) des elektrischen Energiespeichers (2) anliegt und diesen thermisch isoliert und in einer zweiten Stellung (P2) die thermische Isolationsvorrichtung (3) zu der Unterseite (2.1) des elektrischen Energiespeichers (2) beabstandet angeordnet ist, wobei eine Luftströmung (LS) laminar über die thermische Isolationsvorrichtung (3) zum Wärmetausch leitbar ist.

Applikator zum Aufbringen von Klebstoff oder Dichtstoff und Verfahren zur Applikation eines Klebstoffes oder Dichtstoffes

Resumen de: DE102023005003A1

Die vorliegende Erfindung betrifft einen Applikator (1), der zum flächigen Aufbringen von Klebstoff oder Dichtstoff auf einem Bauteil (2), insbesondere ein Kraftfahrzeugbauteil, weiter insbesondere ein Gehäusehalbzeug, bevorzugt ein Metallgehäusehalbzeug, insbesondere Aluminium, Stahl, Titan oder ähnliche Metalle, sowohl mit als auch ohne Beschichtung, sowie Kunststoffe, für ein Batteriegehäuse, eingerichtet ist. Die Erfindung betrifft weiterhin ein Verfahren (18) zur Applikation eines Klebstoffes oder Dichtstoffes auf ein solches Bauteil (2).

BATTERIEBAUGRUPPE

Resumen de: DE102023212264A1

Eine Batteriebaugruppe umfasst wenigstens eine elektrochemischen Zelle, ein die wenigstens eine elektrochemische Zelle umgebendes Schutzgehäuse (11) und einen Wärmetauscher, der in thermischem Kontakt mit der wenigstens einen elektrochemischen Zelle steht und über einen Anschlussstutzen (2), der sich durch eine Öffnung (13) in einer Wand (12) des Schutzgehäuses (11) erstreckt, mit einem Wärmeträger beaufschlagbar ist, wobei die Wand (12) unter der Wirkung eines Überdrucks in dem Schutzgehäuse (11) entlang des Anschlussstutzens (2) bewegbar ist, und wobei ein flexibler Dichtungsbalg (15) mit einer radial inneren Seite an dem Anschlussstutzen (2) und mit einer radial äußeren Seite an einem Rand (14) der Wand (12) befestigt ist, die die von dem Anschlussstutzen (2) durchsetzte Öffnung (13) umgibt, und eine maximale Auslenkung definiert, bis zu der die Wand (12) entlang des Anschlussstutzens (2) auslenkbar ist, ohne den Dichtungsbalg (15) zu zerstören. Ein Wegbegrenzer (20), der in Richtung der Auslenkung mit der Wand (12) überlappt, ist an dem Anschlussstutzen (2) außerhalb des Schutzgehäuses (11) verankert, um die Auslenkung der Wand (12) vor Erreichen der maximalen Auslenkung zu blockieren.

Zellgehäuse für Batteriezellen und Batterie

Resumen de: DE102025114786A1

Die Erfindung betrifft ein Zellgehäuse (110) für Batteriezellen (100) mit einem von Gehäusewänden (130) begrenzten Aufnahmeraum (200) für eine Elektrodenanordnung, wobei in das Zellgehäuse (110) mindestens ein Kühlkanal (210) integriert ist. Die Erfindung betrifft weiterhin eine Batterie, umfassend eine Mehrzahl elektrisch verschalteter Batteriezellen (100) mit einem Zellgehäuse (110) und einer Elektrodenanordnung, wobei in das Zellgehäuse (110) mindestens ein Kühlkanal (210) integriert ist und die Kühlkanäle (210) der Batteriezellen (100) fluidisch miteinander verschaltet sind.

A MANGANESE CONTAINING PRECURSOR, CATHODE ACTIVE MATERIAL THEREOF AND LITHIUM-ION SECONDARY BATTERY

Nº publicación: WO2025120017A1 12/06/2025

Solicitante:

UMICORE BATTERY MAT FINLAND OY [FI]
UMICORE [BE]
UMICORE BATTERY MATERIALS FINLAND OY,
UMICORE

Resumen de: WO2025120017A1

The present invention concerns material comprising hydroxide or oxyhydroxide of at least one or more metal elements, and a cathode active material for lithium-ion secondary batteries. The present invention relates to a manganese-containing precursor for cathode active material for secondary batteries, said precursor comprising M and element oxygen, wherein M compress Ni in a content x, wherein 0.0 ≤ x ≤ 50.0 mol%, relative to M, Mn in a content y, wherein 50.0 ≤ y ≤ 90.0 mol%, relative to M, Co in a content z, wherein 0.0 ≤ z ≤ 40.0 mol%, relative to M, at least one element selected from the group consisting of Al, Ti, V, Mg, Cr, Ca, Zr, Nb, Mo, Hf, Ta, and W, in a content t, 0.0≤t≤ 10.0 mol%, relative to M; wherein x, y, z, and t are measured by ICP-OES; and wherein x+y+z+t is 100.0 mol%; and wherein the manganese-containing precursor has a tap density, TD, of at least 1.65 g/cm3 and a ratio of a specific surface area, SSA, to the tap density, SSA/TD, of at least 12.00, expressed in unit (m2* cm3)/g2.