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1235
resultados
Última actualización
11/02/2026 [07:44:00]
Resultados 1200 a 1225 de 1235
Resumen de: WO2026000536A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electrical device. The positive electrode active material comprises secondary particles, wherein the secondary particles are formed by the aggregation of primary particles; the secondary particles comprise open pores and closed pores; and the open pore porosity P0 of the positive electrode active material accounts for 25%-85% of the total porosity Pt of the positive electrode active material.
Resumen de: CN120641354A
Problem To provide: an aqueous solution containing lithium and silicon and having a low absorbance for covering the surfaces of positive electrode active material particles of a lithium ion secondary battery with Li4SiO4 (lithium orthosilicate) having good Li ion conductivity; a method for producing the aqueous solution; and a method for producing a lithium ion secondary battery using the aqueous solution. A method for producing a positive electrode active material for a lithium secondary battery having a coating layer containing lithium orthosilicate. Solution Provided is an aqueous solution containing lithium and silicon, the aqueous solution containing 0.1-3.0 mass% of lithium and 0.1-3.0 mass% of silicon, the molar ratio Li/Si of lithium to silicon being 3.70-5.20, and the absorbance at a wavelength of 660 nm being 0.10 or less.
Resumen de: WO2026019209A1
A battery pack according to one embodiment of the present invention comprises: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case for accommodating the cell module assembly; and a latch which can be attached to and detached from the pack case, and which can couple neighboring battery packs to each other.
Resumen de: JP2024169957A
To suppress a decrease in a degree-of-freedom of a conductive path of a current collector foil while reducing a dimension in a one direction of an uncoated part.SOLUTION: In a power storage cell 100 based on a present disclosure, a first electrode 10 includes: a collector foil 11; and an electrode material 12 to be coated on one part of the collector foil 11. The collector foil 11 includes: a coated part 11a; and an uncoated part 11b. The coated part 11a is provided with the electrode material 12. The uncoated part 11b is not provided with the electrode material 12, is exposed on one side Z1 in an axial direction Z of a wound electrode body 1, and extends in a winding direction X of the wound electrode body 1. The uncoated part 11b includes: a plurality of bent parts 11bC bent toward a radial direction R of the wound electrode body 1; and a folded part 11bD that is formed by folding a region positioned to between adjacent bent parts of the plurality of folding parts 11bC..SELECTED DRAWING: Figure 10
Resumen de: KR20260013116A
본 개시에 따르면, 제1 방향으로 주행하는 양극 시트에 탭을 형성하고 커팅하여 양극 전극을 형성하는 양극 제조기, 상기 제1 방향으로 주행하는 음극 시트에 탭을 형성하고 커팅하여 음극 전극을 형성하고, 상기 양극 제조기와 평행하게 배치되는 음극 제조기, 상기 양극 제조기에서 출력되는 상기 양극 전극을 제1 방향으로 이송하는 양극 제1 방향 이송기, 상기 음극 제조기에서 출력되는 상기 음극 전극을 제1 방향으로 이송하는 음극 제1 방향 이송기, 상기 양극 제1 방향 이송기에서 이송되는 양극 전극을 제2 방향으로 이송하는 하나 이상의 양극 제2 방향 이송기, 상기 음극 제1 방향 이송기에서 이송되는 음극 전극을 제2 방향으로 이송하는 하나 이상의 음극 제2 방향 이송기, 상기 양극 전극, 분리막, 상기 음극 전극을 적층하여 전극조립체를 형성하는 하나 이상의 제1 스태커, 상기 양극 전극, 분리막, 상기 음극 전극을 적층하여 전극조립체를 형성하는 하나 이상의 제2 스태커를 포함하는, 복합설비를 제공하고, 복수의 복합설비를 포함하는 설비 레이아웃을 제공할 수 있다.
Resumen de: WO2026019285A1
Provided are a structure of an electrode terminal installed to pass through a housing of a battery cell, a method for assembling the housing and the electrode terminal, and the battery cell comprising the housing at which the electrode terminal is installed. The electrode terminal comprises a first terminal member and a second terminal member, each inserted into a through-hole provided in the can from a first side and a second side, respectively, the first side and the second side being selected from an inner side and an outer side of the can, and the first and second terminal members being coupled to each other in an axial direction. The first terminal member has a lateral protrusion protruding radially from a circumferential portion of a ring-shaped protrusion provided on a first plate, and the second terminal member has a lateral groove recessed radially from a circumferential portion of a ring-shaped groove provided on a pillar portion of a second plate.
Resumen de: WO2026019229A1
The present invention provides a cathode active material, which comprises a lithium transition metal oxide in which Ni constitutes 60 at% or more among transition metals, excluding lithium, and is in the form of a single particle having one nodule and a quasi-single particle that is an aggregate of 30 or less nodules, wherein the proportion of a (003) plane with respect to the total surface area of the cathode active material is 40% or less.
Resumen de: WO2026016953A1
The present application provides a positive electrode material and a preparation method therefor, a positive electrode sheet, and a lithium-sulfur battery. The positive electrode material comprises the following raw materials in parts by weight: 10 parts of a porous carbon conductive agent, 7-14 parts of an additive, 38-44 parts of an active substance, and 32-40 parts of a solid-state electrolyte, wherein the active substance comprises sulfur powder, and the additive comprises one or two of phosphorus pentasulfide and diphosphorus trisulfide. Lithium sulfide generated by elemental sulfur and lithium ions during battery discharge can in situ react with the additive to form a lithium-phosphorus-sulfur solid-state electrolyte; the lithium-phosphorus-sulfur solid-state electrolyte can enable most of active substances to participate in charge-discharge cycles, improving the utilization rate of the active substances, forming an ion-conducting network, and allowing for fast conduction of lithium ions; and in addition, the lithium-phosphorus-sulfur solid-state electrolyte can improve the ionic conductivity of the positive electrode material, such that under a high areal loading, an assembled all-solid-state battery ensures cycle stability while improving the specific capacity of the lithium-sulfur battery.
Resumen de: EP4683025A1
A method of manufacturing a secondary battery is provided wherein efficiency of a secondary battery manufacturing process is improved and the secondary battery is more structurally stable. The method of manufacturing a secondary battery includes providing a secondary battery, injecting an electrolyte into the secondary battery, activating the secondary battery into which the electrolyte is injected, and applying ultrasonic waves to the electrolyte in the secondary battery.
Resumen de: KR20260013091A
본 발명은 종방향(MD) 스트립 및 횡방향(TD) 스트립 각각의 평균 공극 크기 JPEGpat00043.jpg410 및 JPEGpat00044.jpg59를 계산하고, 상기 종방향(MD) 스트립 및 횡방향(TD) 스트립 각각의 평균 공극 크기의 비교를 통하여 전극의 균일성을 판단하는 전극의 균일성 평가 방법에 관한 것이다.
Resumen de: KR20260013088A
자동으로 축 편차를 해소하고 초점거리를 조절할 수 있는 레이저 용접 장치 및 이를 이용한 이차 전지의 제조방법을 개시한다. 용접 장치는 코어 중공을 구비하는 전극 조립체에 접합된 집전판이 전지 캔의 비딩부 상에 위치하도록 전지 캔에 전극 조립체를 결합하여 개방단을 통하여 집전판이 노출되는 적어도 하나의 전극-캔 결합체를 용접 영역에 공급하는 용접 테이블, 용접 영역의 상부에 위치하고 용접 테이블로부터 상승하는 전극-캔 결합체의 코어 중공으로 삽입되어, 전극 조립체와 전지 캔의 가상 중심축을 서로 일치시키는 축 정렬을 수행하는 정렬 부재, 및 축 정렬이 완료된 전극-캔 결합체의 개방단에 가상 중심축의 연장 방향인 축 방향을 따라 삽입되어 집전판을 비딩부에 용접하는 용접 모듈을 포함한다.
Resumen de: TW202448008A
Provided is a battery pack comprising a polysiloxane composite and a method for producing the same. The battery pack comprises a polysiloxane composite, wherein the polysiloxane composite partially or fully fills a gap between two adjacent battery cells and has a mean cell size ≤100 mum, which is much smaller than the silicone foam materials/pad made from similar silicone foam composition except using chemical foaming agents. The polysiloxane composite has compressibility which is tunable in large range, compared with common silicone syntactic foam which is not much compressible.
Resumen de: WO2026000537A1
The present invention relates to the technical field of batteries, and provides a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. In the positive electrode active material, the content change of Fe2+ satisfies Δn≥0.1, wherein Δn=n1-n2, where n1 is the content of Fe2+ in the positive electrode active material before charging; n2 is the content of Fe2+ in the positive electrode active material when the material is charged to 4.0 V; and the content of Fe2+ = the amount of substance of Fe2+ in the positive electrode active material/(the amount of substance of Fe2+ in the positive electrode active material + the amount of substance of Fe3+ in the positive electrode active material). Therefore, by means of the positive electrode active material, a battery loaded with same is allowed to have a good energy density.
Resumen de: KR20260013164A
본 발명은 측벽부와 상기 측벽부의 축방향 일측 단부에 연결된 바닥부와 상기 측벽부의 축방향 타측 단부에 마련된 개방 단부를 구비하는 배터리 하우징; 제1 전극 및 제2 전극과 이들 사이에 개재된 분리막이 권취축을 중심으로 권취되며, 상기 제2 전극의 탭이 상기 개방 단부를 향하도록 배터리 하우징 내부에 수용되는 전극 조립체; 및 상기 개방 단부를 덮고, 주액구가 형성된 리드(lid); 및 상기 리드에 삽입되는 밀봉 부재를 포함하며, 상기 밀봉 부재는 열팽창에 의해 직경이 변화하고, 이로 인해 상기 주액구가 밀봉되는 것을 특징으로 하는 배터리가 제공된다.
Resumen de: KR20260013072A
본 발명은 전극 적층용 픽 앤 플레이스 장치에 관한 것으로, 보다 상세하게는 전극 픽업 동작 및 적층 동작을 보다 효율적인 경로를 따라 동작시키기 위한 전극 적층용 픽 앤 플레이스 장치에 관한 것이다. 또한, 전극을 진공 흡착하는 픽업부와 상기 픽업부를 수직 방향으로 이송시켜 픽업 또는 픽업 해제 동작을 실시하기 위한 승강부와 상기 승강부를 수평 방향으로 이송시켜 픽업 위치와 적층 위치를 반복적으로 왕복시키기 위한 이송부를 포함하는 것을 특징으로 한다.
Resumen de: EP4683003A1
An electrode assembly includes positive and negative electrode plates, each electrode plate including a respective positive or negative electrode mixture portion on which a respective positive or negative electrode active material is applied to an electrode substrate and a first uncoated portion on which an electrode active material is not applied to the respective positive or negative electrode substrate, and a separator between each of the positive electrode plates and each of the negative electrode plates, the positive and negative electrode mixtures each have two portions, separated by uncoated sections, the lengths of the bent uncoated portions match the lengths of their respective electrode substrates, and bent uncoated portions match the lengths of their respective electrode substrates.
Resumen de: US20260025007A1
A secondary battery charging system includes: an application including a battery and a battery management system (BMS); and a charger configured to supply charging power to the battery and to communicate with the application. Data related to at least one of the battery and the application is transmitted to the charger.
Resumen de: US20260024743A1
The present disclosure provides a method for preparing a dry electrode sheet for a secondary battery by allowing a composition for preparing a dry electrode sheet including an electrode active material and a binder to pass through a calendering device, a dry electrode sheet for a secondary battery prepared therefrom and a calendering device used for preparation of a dry electrode sheet for a secondary battery.
Resumen de: KR20260013154A
본 발명은 최적화된 음극 댐 조성을 통해 제조 공정상의 결함과 최종 전극의 기계적 물성 저하를 동시에 방지함으로써, 우수한 생산성과 장기 신뢰성을 모두 확보할 수 있는 음극을 제공한다.
Resumen de: KR20260012849A
본 발명은 전지케이스 내에 전해액을 주입하는 공정에서, 상기 전지케이스를 벌리는 전지케이스 오픈 장치로서, 본체; 및 상기 본체에 결합되어 일 방향으로 연장된 적어도 둘 이상의 삽입바; 를 포함하고, 상기 삽입바는 상기 본체를 기준으로 상하 방향으로 승강되고, 수평 방향으로 이동 가능하도록 구비된 것을 특징으로 한다. 또한, 본 발명은 전지케이스 오픈 장치를 이용하여 전해액을 주입하는 전해액 주입 방법으로서, 상기 본체를 상기 전지케이스 상부로 위치시키는 1 단계; 상기 삽입바들을 하강시켜 상기 전지케이스의 개방부로 삽입하는 2 단계; 상기 삽입바들을 수평 이동시켜 상기 전지케이스의 내측면을 가압하여 벌리는 3 단계; 및 전해액을 주입하는 4 단계; 를 포함하는 것을 특징으로 한다.
Resumen de: WO2026019303A1
A power bank with a replaceable battery module is disclosed. The power bank with a replaceable battery module, according to one embodiment of the present disclosure, may comprise: a body unit which accommodates at least one battery module, and which has a structure enabling replacement of the battery module; a plurality of battery modules which can be attached/detached to/from the body unit, and which is used for a power source of the power bank; a plurality of power conversion modules which are provided on one side of the body unit so as to be connected in parallel to the plurality of battery modules, and which are designed to perform charging and discharging by using, without modification, a power connector and a communication connector provided in the plurality of battery modules; and a control unit for monitoring a state of charge (SOC) of each of the plurality of battery modules, and allowing the plurality of battery modules to be discharged according to the SOC of each of the plurality of battery modules.
Resumen de: CN120657252A
An electrolyte for a lithium secondary battery according to an exemplary embodiment of the present invention includes an organic solvent, a lithium salt, a first additive represented by a predetermined chemical formula, and a second additive represented by a predetermined chemical formula. A protective film is formed from the additive to suppress expansion of the lithium secondary battery and improve storage performance at high temperatures.
Resumen de: KR20260013140A
본 발명은 측벽부와 상기 측벽부의 축방향 일측 단부에 연결된 바닥부와 상기 측벽부의 축방향 타측 단부에 마련된 개방 단부를 구비하는 배터리 하우징; 제1 전극 및 제2 전극과 이들 사이에 개재된 분리막이 권취축을 중심으로 권취되며, 상기 제2 전극의 탭이 상기 개방 단부를 향하도록 배터리 하우징 내부에 수용되는 전극 조립체; 및 상기 개방 단부를 덮고, 주액구가 형성된 리드(lid); 및 상기 리드에 삽입되는 밀봉 부재를 포함하며, 상기 밀봉 부재는 열팽창에 의해 직경이 변화하고, 이로 인해 상기 주액구가 밀봉되는 것을 특징으로 하는 배터리가 제공된다.
Resumen de: US20260024845A1
A flexible battery may include an electrode assembly, a first exterior material and a second exterior material bonded at edges and encapsulate the electrode assembly above and below the electrode assembly, and a multi-layered inorganic film which is deposited on exterior surfaces of the bonded first and second exterior materials, and a thickness of the multi-layered inorganic film on a side surface of the bonded first and second exterior materials is greater than a thickness in the upper portion and the lower portion. Therefore, moisture permeation to the side surface of the flexible battery may be blocked.
Nº publicación: KR20260012949A 27/01/2026
Solicitante:
삼성전기주식회사
Resumen de: WO2026018978A1
Provided are a positive electrode active material for an all-solid-state battery and an all-solid-state battery including the same, the positive electrode active material including a core including lithium metal oxide; and a surface layer disposed on at least a portion of a surface of the core and including an amorphous glass, wherein the amorphous glass includes Li, Si, B, Al, and O.
BOPI
Sede Electrónica
