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1478
results.
Updated on
25/12/2025 [07:16:00]
Results 800 to 825 of 1478
Absstract of: WO2025193029A1
A battery pack according to one embodiment of the present invention comprises: at least one battery assembly including a plurality of battery cells; and a pack frame for accommodating the at least one battery assembly. The pack frame includes a bottom frame on which the battery assembly is placed and which has a venting space. The battery assembly includes: battery cells stacked in one direction; and cell frames, which are connected along the edges of the battery cells and cover the edges of the battery cells. Among the cell frames, a cell vent part is formed at a portion facing the bottom frame.
Absstract of: WO2024218068A1
The present disclosure generally relates to a method for manufacturing a sodium or potassium ion battery cell comprising a Prussian Blue analogue (PBA) as an active cathode material. The present disclosure also relates to a sodium or potassium ion battery produced by the method.
Absstract of: KR20250174749A
본 발명의 일 실시예에 따른 이차 전지용 실링 장치는 이차 전지의 가스 포켓의 양측을 가압하도록 마련된 포켓 가압툴을 포함하는 포켓 가압부, 가열 상태로 상기 가스 포켓의 양측을 가압하여 상기 가스 포켓을 열융착시키도록 마련된 실링툴을 포함하는 실링부, 상기 포켓 가압부 및 상기 실링부가 장착되고, 상기 가스 포켓의 단부에서 이차 전지의 컵을 향하는 방향으로 이동가능하게 마련된 가압 위치 조정부, 및 전해액 제거 모드 및 실링 모드가 미리 저장되고, 상기 전해액 제거 모드시 상기 포켓 가압툴이 상기 가스 포켓의 양측과 접촉된 상태로 상기 가스 포켓의 단부에서 상기 컵을 향해 이동하면서 상기 가스 포켓 내의 전해액을 상기 컵으로 밀어내도록 상기 포켓 가압부 및 상기 가압 위치 조정부를 작동시키는 제어부를 포함할 수 있다.
Absstract of: JP2025074084A
To provide a battery module having improved space utilization and cooling efficiency and a battery pack including the same.SOLUTION: A battery module according to an embodiment of the present invention includes: an upper battery cell stack and a lower battery cell stack in which a plurality of battery cells are stacked; a cooling flow path located between the upper battery cell stack and the lower battery cell stack; and a module frame in which the upper battery cell stack and the lower battery cell stack are housed. An inlet port for supplying a refrigerant to the cooling flow path and an outlet port for discharging the refrigerant from the cooling flow path are located opposite to each other, so that the refrigerant flows in one direction in the cooling flow path. A longitudinal direction of the battery cell is aligned in parallel with the one direction in which the refrigerant flows.SELECTED DRAWING: Figure 1
Absstract of: WO2025086598A1
An electrode assembly, a manufacturing method therefor, a battery cell, a battery and an electrical device. The electrode assembly comprises an active substance-coated part; and a tab part, the tab part comprising a plurality of stacked tab pieces. The plurality of stacked tab pieces have overlapping regions and misaligned regions, the overlapping regions being welded to form a first weld part, and the misaligned regions being welded at least at a position away from the active substance-coated part to form a second weld part. In the technical solution of the embodiments of the present application, on one hand, the utilization rate of the tab parts is improved, helping to increase the capacity of a battery cell and reduce the temperature rise caused by a current flow, and on the other hand, the second weld part can better support a welding nozzle than the plurality of fluffy tab pieces, so as to reduce problems of welding defects, thus reducing the requirement for cutting the welded tab part, saving costs, improving the fast charge performance and assembly efficiency of the battery cell, and also making the tab part less prone to be scratched by the hole wall of a through-hole structure.
Absstract of: EP4661123A1
The present invention relates to a battery cell pressing jig for manufacturing a battery cell, the battery cell pressing jig comprising:a first pressure pad configured to apply a uniform mechanical pressure to a first main outer surface of a pouch-type battery cell in a direction essentially perpendicular to the first main outer surface;a second pressure pad configured to apply a uniform mechanical pressure to a second main outer surface of the pouch-type battery cell in a direction essentially perpendicular to the second main outer surface, the first and second main outer surfaces of the pouch-type battery cell being opposite each other;wherein the first and the second pressure pads are made of an elastic material. The invention further relates to a battery cell manufacturing system.
Absstract of: CH721859A2
La présente invention concerne un électrolyte à l'état solide SSE (1) comprenant une membrane dense (2) comprenant du LLZO d'une épaisseur égale ou inférieure à 100 µm et une couche de revêtement (3) comprenant du Sb d'une épaisseur comprise entre 1 et 20 nm disposée sur une surface de la membrane dense, la membrane dense ayant une densité égale ou supérieure à 90 % de la densité théorique de la membrane, dans laquelle la surface de la membrane dense sur laquelle la couche de revêtement est fournie est sensiblement exempte de Li 2 CO 3 , dans laquelle le SSE comprend un premier alliage Li-Sb (5) à l'interface de la couche de revêtement contenant du Sb et de la membrane dense contenant du LLZO, dans laquelle les épaisseurs sont calculées à partir d'images MEB du SSE. L'invention concerne en outre une batterie à l'état solide SSB comprenant du SSE et des procédés de production du SSE et de la SSB.
Absstract of: WO2025136075A1
The present application relates to an anode comprising an anode active material layer that includes a silicon-based active material, wherein, when the cohesion strength is measured at respective positions of 25%, 50% and 75% of the total thickness from a first surface of the anode active material layer on the basis of the total thickness T, which is the distance between the first surface and a second surface that face each other, the average of the measured cohesion strengths is 1 Mpa to 20 Mpa, the deviation of the measured cohesion strengths is 140% or less, and the vertical resistance is 0.005 Ω to 0.3 Ω.
Absstract of: WO2025239485A1
Disclosed are a battery pack and a vehicle comprising same. The battery pack according to an embodiment of the present invention includes: a plurality of battery cells; a busbar assembly which electrically connects the plurality of battery cells; a frame which supports the plurality of battery cells; and a busbar arrangement member which is coupled to the frame and in which at least a part of the busbar assembly is arranged.
Absstract of: WO2025251433A1
A manganese iron phosphate precursor, a preparation method therefor, a positive electrode material, an electrode sheet, and a battery. The formula of the manganese iron phosphate precursor is (NH4)(3-2x-2y)FexMnyPO4•H2O, wherein 0 < x < 1, and 0 < y < 1. The manganese iron phosphate precursor satisfies the following conditions: the average particle size is 2.0μm to 2.5μm, the D50 particle size is 1.6μm to 2.0μm, and the span is 0.4-0.7.
Absstract of: KR20250174770A
본 개시에 따르면 내화용기에 공급되는 전극재료 분말이 채워지는 호퍼 및 호퍼 내부의 전극재료 분말을 교반하는 임펠러 및 교반된 전극재료 분말을 정량 공급하는 스크류가 설치되는 샤프트 어셈블리를 포함하고, 샤프트 어셈블리는 제1 중공홀을 갖는 하우징과, 임펠러가 마련되며 제1 중공홀에 회전 가능하게 설치되고 제2 중공홀을 갖는 교반축과, 스크류가 마련되며, 제2 중공홀에 회전 가능하게 설치되는 스크류축과, 하우징과 교반축 사이에 개재되는 제1 베어링부와, 교반축과 스크류축 사이에 개재되는 제2 베어링부 및 제1 중공홀 및 제2 중공홀 중 적어도 하나에 압축공기를 공급하는 압축공기 공급부를 포함한다.
Absstract of: WO2025251363A1
A sodium ion battery positive electrode material and a preparation method therefor, a positive electrode sheet, a secondary battery, and an electrical device, relating to the field of sodium ion battery positive electrode materials. The sodium ion battery positive electrode material comprises a core and a coating layer that coats the outer surface of the core, wherein the material of the core is an O3-type layered oxide, and the material of the coating layer is a P2-type layered oxide. In the sodium ion battery positive electrode material, the P2-type layered oxide forms a protective layer on the surface of the O3-type oxide, thereby enhancing the structural integrity and stability of the O3-type layered oxide; in addition, the P2-type coating layer can provide a rapid sodium ion diffusion channel, such that the sodium ion battery positive electrode material having a core-shell structure has excellent cycle performance.
Absstract of: US2025379216A1
A negative electrode active material, a negative electrode including the same, and a lithium secondary battery including the negative electrode are provided. The negative electrode active material comprises a silicon-based active material; and graphite including natural graphite and artificial graphite, where an absolute difference between an average particle diameter of the natural graphite and that of the artificial graphite is 10% or less based on the average particle diameter of artificial graphite, and an absolute difference between an average particle diameter of the silicon-based active material and the average particle diameter of the artificial graphite is 40% or less based on the average particle diameter of artificial graphite.
Absstract of: AU2024258726A1
The invention provides a rechargeable lithium metal cell, comprising: an anode comprising lithium metal; a cathode comprising a high-voltage cathode material; and a plurality of lithium-conductive layers interposed between the anode and the cathode, the lithium-conductive layers comprising a solid polymeric anolyte layer adjacent the anode and one or more further electrolyte layers which space apart the polymeric anolyte layer from the cathode, wherein the solid polymeric anolyte layer comprises (i) a block copolymer comprising at least one hydrophobic non-ionic block and at least one ionic block, and (ii) lithium salt, and wherein the solid polymeric anolyte layer has at least two glass transition temperature (Tg) values.
Absstract of: FR3163167A1
Un procédé permet de déterminer une information relative à une batterie rechargeable faisant partie d’un système, comportant des cellules et ayant des premières tensions aux bornes des cellules et une tension à vide déterminées et une capacité estimée en divisant une quantité d’ampère-heure fournie dans une phase de décharge ou reçue dans une phase de recharge par une variation d’état de charge pendant cette phase de décharge ou cette phase de recharge. Ce procédé comprend une étape (10-20) dans laquelle on détermine une information représentative d’une variation d’état de charge minimale pour estimer la capacité avec une précision choisie, en fonction d’au moins une première erreur estimée sur la variation d’état de charge et une seconde erreur estimée sur la quantité d’ampère-heure. Figure 3
Absstract of: KR20250174390A
본 발명은 폐 리튬 이온전지 선별 회수시스템의 진동선별기를 개시한다. 본 발명에 따른 폐 리튬 이온전지 선별 회수시스템의 진동선별기는, 지면에 설치되는 베이스 본체; 상기 베이스 본체의 상부에 간격을 두고 내부가 비어 있는 통체 형상으로 구비되는 것으로, 상부에 분쇄물이 투입되는 투입구가 형성되고, 투입된 분쇄물을 선별분리하여 블랙파우더가 배출되는 제1배출구 및 혼합동이 배출되는 제2배출구가 형성된 진동챔버; 상기 베이스본체와 진동챔버 사이를 탄력적으로 연결 지지하는 변위유도 탄성체; 상기 베이스 본체의 내부에 설치되어 그 상단부가 상기 진동챔버에 연결되어 진동을 전달하는 진동발생부; 상기 진동챔버의 내부공간을 상,하로 복수 구획하는 것으로 투입된 분쇄물을 크기별로 통과시키는 메쉬를 형성한 스크린을 구비하되, 상기 스크린은 점진적으로 작은 크기로 선별하도록 복수 구비되는 선별체로 구성네ㅣ된다. 이와 같이 구성되는 본 발명은 간소한 구조와 공정을 통해 이물질과 불순물을 모두 제거한 분쇄물에서 블랙파우더와 혼합동을 고순도로 선별 분리할 수 있음에 따라 경제성과 회수 효율성을 높일 수 있는 유용한 효과가 있다.
Absstract of: KR20250174241A
본 문서에 개시된 일 실시 예에 따른 모니터링 장치는, 배터리 유닛 검사 장치의 상태를 판단하기 위한 캘리브레이션 시트를 포함하는 배터리 유닛 고정 클램프에 의해 고정된 배터리 유닛의 적어도 일부 및 상기 캘리브레이션 시트가 촬영된 모니터링 이미지를 획득하는 인터페이스; 및 상기 모니터링 이미지 상의 상기 캘리브레이션 시트에 대응되는 영역에 기초하여 상기 배터리 유닛 검사 장치의 상태를 판단하는 하나 이상의 프로세서를 포함할 수 있다.
Absstract of: US2025375789A1
A coating shim for electrode slurry discharge includes a hollow region through which an electrode slurry may flow and a frame surrounding at least a part of the hollow region. The frame includes a base portion extending in one direction to form one side surface of the hollow region; side portions extending at opposite ends of the base portion in a direction different from the one direction; and guide portions extending at respective ends of the side portions to face each other and to be spaced apart from each other to form a discharge port therebetween which allows the hollow region to communicate with outside. The guide portions have inclined surfaces at respective ends thereof such that a distance between lower portions of the guide portions is greater than a distance between upper portions of the guide portions.
Absstract of: CN120569414A
The present invention relates to carboxymethyl cellulose (CMC), compositions comprising CMC, processes for their preparation and their use in, for example, batteries. The CMC is used in a wide variety of technical fields. Aspects that benefit from the thickening and gel-forming properties of CMC are, for example, the petroleum industry (e.g. In drilling fluids), the food industry, the pharmaceutical industry, the paper industry, the electrical and electronic industry, the textile industry, and the construction industry.
Absstract of: WO2024245751A1
The invention relates to a method for operating a battery system (6) comprising at least one electrochemical battery cell (10) in which at least one electrochemical process contributing to a cell internal electrical resistance of the battery cell (10) occurs during operation, wherein the electrochemical process is assigned a time constant, wherein a current pulse (38) is fed into the battery cell (10), and wherein a pulse frequency of the current pulse (38) is set on the basis of the time constant such that the electrochemical process of the battery cell (10) is resonantly excited by the current pulse (38).
Absstract of: WO2024244944A1
A battery housing, a battery and an electric device. The battery housing comprises a housing body and a cover plate, wherein the housing body is fixedly connected to the cover plate by means of a welding part; and the welding part comprises a first welding part, which connects at least both the cover plate and the outer surface of the side wall of the housing body.
Absstract of: JP2024156422A
To improve both film formability and battery characteristics when the coating weight of a positive electrode active substance layer containing olivine-type lithium manganese iron phosphate is increased.SOLUTION: A positive electrode material for a lithium-ion secondary battery includes a granulated body 10 having: a core 11 composed of olivine-type lithium manganese iron phosphate represented by the general formula LiMnxFeyPO4 (x and y are numerical values satisfying x+y=1, 0<x<1, and 0<y<1 ); and a carbon coating 12 formed on a surface of the core 11. The core 11 has a structure in which primary particles of olivine-type lithium manganese iron phosphate are aggregated. The particle size of the primary particles is 100 nm or less. A pore volume in a pore size range of 2 nm or more and 300 nm or less in the granulated body 10 is 0.2 cm3/g or less, and a carbon content of the granulated body is 1.8 mass% or more and 3.0 mass% or less.SELECTED DRAWING: Figure 1
Absstract of: KR20250174245A
본 발명은 전기화학소자용 분리막, 이를 포함하는 전기화학소자 및 이의 제조방법에 관한 것으로, 구체적으로 중공형 입자를 포함하는 코팅층을 구비함으로써 리튬 이온 전도도가 향상되고 분리막의 저항을 감소시킬 수 있는 전기화학소자용 분리막, 이를 포함하는 전기화학소자 및 이의 제조방법에 관한 것이다.
Absstract of: KR20250174193A
본 발명은 다공성 기재; 무기물 입자 및 고분자 바인더를 포함하고, 상기 다공성 기재의 적어도 일면에 형성되는 다공성 코팅층; 및 상기 다공성 코팅층 표면의 적어도 일부를 덮으며, 셀룰로오스 나노섬유를 포함하는 접착층을 포함하며, 상기 셀룰로오스 나노섬유의 결정화도는 20 내지 40%인, 전기화학소자용 분리막에 관한 것이다.
Nº publicación: KR20250174332A 12/12/2025
Applicant:
한국에너지기술연구원
Absstract of: KR20250174332A
본 발명은 복합 고체전해질 및 그 제조방법에 관한 것으로, 보다 상세하게는 표면에서 부반응이 억제된 3층의 복합 고체전해질 및 이를 활용한 전고체전지에 관한 것이다. 본 발명의 제조방법은 함침 공정을 사용하여 부반응을 차단할 수 있고, 높은 이온전도도, 우수한 전기화학적 안정성 및 높은 리튬 이온 이동수를 가지는 복합 고체전해질을 제공할 수 있다.
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