Resumen de: KR20260035314A
본 발명은 전기자동차(EV), 에너지 저장시스템(ESS) 등 리튬 배터리를 사용하는 분야에서 수명이 다한 배터리를 폐기할 때에 배터리를 급속방전시키기 위해 사용되는 방전기의 급속방전 제어방법에 관한 것으로서, 폐기될 배터리의 내부 저항을 산출하여 배터리의 최대 방전전류를 정하는 최대 방전전류 설정 단계; 배터리의 초기 전압값에 방전 전류에 따라 강하되는 전압값을 대입하고 전류로 나누어 배터리의 최대 전류 용량을 산출하는 최대 전류 용량 산출 단계; 및 산출된 내부 저항에 따라서 전류에 따른 배터리 온도 상승을 예측하는 온도 상승 예측 단계;를 포함하는 것을 특징으로 하는 폐배터리 방전기의 급속방전 제어방법을 개시한다.
Resumen de: WO2026054298A1
Provided are: a negative electrode; a lithium metal battery including the negative electrode; and a method for manufacturing the negative electrode. The negative electrode includes a modified porous carbon structure, wherein, in X-ray photoelectron spectroscopy (XPS) of the surface of the modified porous carbon structure, the energy position at which the intensity of a peak attributed to lithium (Li) atoms is greatest is 45-65 eV.
Resumen de: US20260066290A1
A positive electrode active material is provide, the positive electrode active material including a first positive electrode active material including a lithium iron phosphate-based compound; and a second positive electrode active material including lithium nickel-based composite oxide; wherein the second positive electrode active material is included in an amount of about 1 wt % to about 15 wt % based on 100 wt % of the first positive electrode active material and second positive electrode active material. The positive electrode active material, the positive electrode including the same, and the rechargeable lithium battery according to some example embodiments may achieve high capacity and excellent or suitable stability.
Resumen de: 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.
Resumen de: US20260074397A1
A conductive module, a cover plate assembly, and a battery cell are provided. The conductive module includes a pole, where the pole includes a metal post and a metal layer bonded on a surface of the metal post. The metal layer includes a clamping portion; and a terminal pressing block connected to the pole. The clamping portion is clamped between the metal post and the terminal pressing block. The pole is provided to include the metal post and the metal layer, and the pole is connected to the terminal pressing block. A portion (i.e., the clamping portion) of the metal layer is clamped between the metal post and the terminal pressing block.
Resumen de: US20260074393A1
The present disclosure provides a pole, a cover plate assembly, and a battery cell. The pole includes a first metal part and a second metal part. The first metal part has a first inward part and a first outward part that is disposed on an inner wall of the first inward part. The second metal part includes a main body and a second outward part. A second inward part is disposed on an outer peripheral surface of the second outward part. The second outward part is embedded into the first inward part, and the first outward part is embedded into the second inward part. A side of the second inward part away from a bottom wall of the first inward part is represented as a first surface. And a gap is only disposed between the first outward part and the first surface.
Resumen de: US20260074386A1
An electrode output component, a cover plate assembly, and a battery cell are provided. The electrode output component includes a pole and a terminal. An outer peripheral surface of the pole is provided with an abutting portion. The terminal includes a first through hole. The first through hole is sleeved on one end of the pole and abuts against the abutting portion along an axial direction of the pole. A contact portion between the pole and the terminal are engaged with each other.
Resumen de: CN121399698A
The present invention relates to a sulfide solid electrolyte powder in which the content of Al is less than 50 ppm, the content of Zr is less than 50 ppm, and the particle diameter D50 is less than 1 mu m, on a mass basis.
Resumen de: WO2025010353A2
A synthetic graphite having a purity level of at least 99.5%, wherein the graphite is obtainable from a purified carbonaceous product (PCP) or a solvent extract thereof, wherein the PCP is in particulate form with at least about 80% by volume (%v) of the particles being no greater than about 15 µm in diameter; and wherein the PCP has an ash content of less than about 8 wt%. The PCP may be derived from processing of a coal waste material comprised of coal ultrafines and/or coal microfines.
Resumen de: CN120693740A
The invention provides a sampling device (30), a battery (100) and electric equipment, the sampling device (30) comprises a circuit member (31), a first connector (32) and a second connector (33), the first connector (32) and the second connector (33) are electrically connected to the circuit member (31), and at least part of the second connector (33) and at least part of the first connector (32) are stacked along the thickness direction of the circuit member (31).
Resumen de: CN121399697A
The present invention relates to a sulfide solid electrolyte powder having a crystal phase having an argyrodite-type crystal structure, the value represented by ((strain value-0.001)/specific surface area (m2/g)) * 100 being 0.010-0.070.
Resumen de: US20260074396A1
A pole, a pole component, and a battery are provided. The pole includes a first pole portion and a second pole portion. The first pole portion includes a first end and a second end that are in an axial direction of the first pole portion. An outer periphery of the first pole portion is convexly provided with a first flange, and the first flange is spaced apart from the second end in the axial direction. The first end is provided in a mating groove and engages with the second pole portion. An outer periphery of the second pole portion is convexly provided with a second flange. The first pole portion is spaced apart from the second flange. The second flange is provided with a first connecting groove, and the first flange is at least partially located in the first connecting groove and engages with the second flange.
Resumen de: KR20260035796A
본 발명은 과열 방지용 안전 프레임에 관한 것으로, 보다 구체적으로는 콘센트에 연결된 충전기나 보조배터리의 무게로 인한 접촉 불량 및 발열 문제를 해결하고, 과열 시 자동으로 분리되어 화재를 방지할 수 있는 과열 방지용 안전 프레임에 관한 것이다. 본 발명의 바람직한 실시예로 형성된 콘센트용 과열 방지 안전 프레임에 의하면 (1) 이 충전기의 세 면을 견고하게 지지함으로써, 콘센트에 직접 연결해도 충전기 무게로 인해 플러그가 처지거나 헐거워지는 문제를 방지하여 접촉 불량으로 인한 전력 공급 불안정을 해소하고, (2) 프레임 내부의 실리콘 패드가 충전기와의 마찰력을 높여 흔들림이나 미끄러짐을 방지하여, 외부 진동에 의한 미세 발열 또는 스파크 발생을 사전에 차단할 수 있다. (3) 더 나아가 일정 온도 이상에서 자동 작동하는 바이메탈 스위치 또는 저융점 합금 핀의 적용으로, 과열 시 충전기를 콘센트에서 자동 분리하여 화재 및 전기적 손상을 효과적으로 방지할 수 있다.
Resumen de: WO2026054577A1
The present invention relates to a fire extinguishing agent and a flame-retardant and explosion-proof self-extinguishing composition for preventing fire and explosion, and manufacturing methods therefor. The present invention prevents thermal runaway and enables rapid, effective fire extinguishment in the event of a lithium battery fire. More specifically, the present invention includes deionized water and vanadium oxide. The respective components of the present invention are mixed in a specific ratio to reduce the risk of high temperature and re-ignition in the event of a lithium battery fire and minimize the generation of harmful gases in the event of an electric vehicle fire, thereby reducing the risk of secondary ignition and explosion.
Resumen de: CN121444208A
The present invention relates to an electrode binder comprising a polymer P1 and a polymer P2 forming an interpenetrating polymer network or a semi-interpenetrating polymer network.
Resumen de: WO2026054524A1
The present invention relates to a sulfide-based solid electrolyte represented by chemical formula 1, a manufacturing method therefor, and an all-solid-state battery comprising same. Chemical formula 1 Li7-b-c-(a×d)MaPS6-b-cClbBrc In chemical formula 1, M is at least one selected from metals satisfying expression 1, a satisfies 0.01≤a≤0.5, b satisfies 0.2≤b≤1.5, c satisfies 0.2≤c≤1.5, d denotes d in an M cation (Md+) with valence d+, b and c satisfy 0.4≤b+c≤1.5, and a, b, c, and d satisfy 5<7-b-c-(a×d)<5.6. Expression 1 0.2<(rM/d)/(rLi)<0.7 In expression 1, rM indicates a hexacoordinate ionic radius (Shannon radius) of the cation Md+ with valence d+, d denotes d in an M cation (Md+) with valence d+, and rLi indicates a hexacoordinate ionic radius of Li+.
Resumen de: US20260074388A1
A conductive structure, a cover plate assembly, and a battery cell are provided. The conductive structure includes a metal post including a first end and a second end opposite to each other, and a metal layer bonded to a surface of the metal post. The metal layer wraps the first end and extends toward the second end. The metal layer is used to be connected to a tab. In an axial direction of the metal post, a distance from an end portion of the metal layer to an end surface of the second end is H1, a thickness of the metal post is D2, and a ratio of H1 to D2 is less than or equal to 0.8.
Resumen de: US20260074385A1
A pole, a cover plate assembly and a battery cell are provided. The pole includes a first metal part and a second metal part. The first metal part defines a first concave portion and a first convex portion, and the first convex portion protrudes from an opening of the first concave portion along a direction away from the first concave portion. The second metal part includes a terminal and a second convex portion. The second convex portion protrudes outward from the terminal, and a side of the terminal close to the second convex portion is provided with a second concave portion. The first convex portion is embedded in the second concave portion, and the second convex portion is embedded in the first concave portion.
Resumen de: US20260074391A1
A conductive structure and a manufacturing method, a cover plate assembly, and a battery cell are provided. The conductive structure includes a metal post including a first end and a second end opposite to each other. A metal layer bonded to a surface of the metal post. The metal layer wraps the first end and extends toward the second end. The metal layer bonded to the surface of the first end of the metal post is arranged to extend from the surface of the first end of the metal post to the second end.
Resumen de: CH722058A2
L'invention se rapporte à un procédé de fabrication d'une électrode composite flexible comprenant: mélange d'un matériau actif, d'un composant conducteur électronique, d'un composant conducteur ionique et optionnellement d'un liant, obtenant ainsi un premier mélange ayant un extrait sec; et mise en forme dudit premier mélange, obtenant ainsi l'électrode composite flexible; dudit extrait sec comprenant entre 50% et 90% en poids dudit matériau actif, entre 5% et 10% en poids dudit composant conducteur électronique, entre 5% et 40% en poids dudit composant conducteur ionique, et entre 0% et 20% en poids dudit liant, par rapport au poids dudit extrait sec. L'invention concerne également une batterie tout-solide, le composant conducteur ionique comprenant notamment du PEO.
Resumen de: FR3166202A1
Dispositif de régulation thermique, notamment de refroidissement L’invention concerne un dispositif de régulation thermique (1), notamment de refroidissement, pour composant électrique (100) susceptible de dégager de la chaleur, ce dispositif comportant une plaque supérieure (2), une plaque intermédiaire (3) et une plaque inférieure (4), la plaque intermédiaire (3) étant assemblée en étant intercalée entre la plaque supérieure (2) et la plaque inférieure (4), pour former ensemble une pluralité de canaux (5) de circulation pour un fluide caloporteur, les canaux (5) s’étendant entre une zone d’entrée de fluide et une zone de sortie de fluide, dispositif de régulation thermique dans lequel la plaque intermédiaire (3) comporte une pluralité de barreaux (10) qui présentent chacun un pourtour délimitant au moins partiellement au moins l’un des canaux (5), et deux barreaux (10) de part et d’autre du canal (5) étant reliés entre eux par au moins un pont de matière (20) qui s’étend de manière localisée en travers du canal (5) entre ces barreaux (10). Figure pour l’abrégé : Figure 1
Resumen de: FR3166203A1
Dispositif de régulation thermique, notamment de refroidissement L’invention concerne un dispositif de régulation thermique, notamment de refroidissement, ce dispositif comportant une plaque supérieure et une plaque inférieure (3) assemblée avec la plaque supérieure pour former ensemble une pluralité de canaux (5) de circulation pour un fluide caloporteur, dispositif de régulation thermique dans lequel : au moins deux paires de canaux partagent un canal commun (15), et les deux ponts d’interconnexion (16) sont connectés à ce canal commun (15), en deux points de connexion qui sont distants l’un de l’autre par une distance non nulle dans le sens de la longueur du canal, ouau moins deux paires de canaux (15) sont formées par quatre canaux distincts, et les deux ponts d’interconnexion (16) sont alors séparés l’un de l’autre par l’espace entre les deux paires de canaux (15). Figure pour l’abrégé : Figure 2
Resumen de: FR3166213A1
Procédé automatique d’estimation de la variation d’entropie d’une cellule d’une batterie Ce procédé comporte : - une phase (130) de calibration comportant : • une étape (132) de relevés, pour différents états de charge de la cellule, des valeurs de l’état de charge de la cellule, de la température interne de la cellule et de l’intensité du courant qui traverse la cellule et/ou de la tension entre les bornes de la cellule, et • la détermination (134), à partir des relevés réalisés, des coefficients βj d’un modèle polynomial qui relie une valeur ΔSk2 de la variation d’entropie à un instant k2 à une valeur SOCk2 de l’état de charge de la cellule à cet instant k2, et - lors d’une phase d’exploitation, l’estimation (116) de la valeur ΔSk2 de la variation d’entropie de la cellule à l’aide du modèle polynomial. Fig. 3
Resumen de: US2022140341A1
A carbon electrode includes a substrate, and a conductive carbon layer disposed at an upper side of the substrate and having an sp2 bond and an sp3 bond. On an upper surface of the conductive carbon layer, the concentration ratio of oxygen to carbon is 0.07 or more. The ratio of a number of sp3 bonded carbon atoms to the sum of a number of sp2 bonded carbon atoms and the number of sp3 bonded carbon atoms is 0.35 or more.
Nº publicación: KR20260034845A 12/03/2026
Solicitante:
주식회사엘지에너지솔루션
Resumen de: KR20260034845A
본 발명은, 복수 개의 배터리 셀; 상기 복수 개의 배터리 셀을 수용하도록 구성되는 팩 케이스; 및 상기 팩 케이스의 적어도 일측면에 구비되어 상기 배터리 셀로부터 상기 팩 케이스로 열을 전달하도록 구성되는 스페이서를 포함하는 것을 특징으로 하는 배터리 팩에 관한 것이다.