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1741
resultados
Última actualización
29/05/2025 [07:24:00]
Resultados 1675 a 1700 de 1741
Resumen de: EP4553966A1
Eine elektrochemische Energiespeicherzelle (100) umfasst ein Gehäuse mit einem metallischen Gehäusebecher (140) und einem Gehäusedeckel (150). Der Gehäusebecher (140) umfasst einen kreisrunden Becherboden und einen umlaufenden Gehäusebechermantel. Die Energiespeicherzelle umfasst eine positive und eine negative Elektrode (110, 120), die in dem Gehäuse angeordnet sind. Eine der Elektroden, vorzugsweise die positive Elektrode, ist als hohlzylinderförmige Elektrode (120) ausgebildet und umschließt einen Hohlraum, in dem die andere Elektrode (110), vorzugsweise die negative Elektrode, angeordnet ist. Der Becherboden weist einen kreisringförmigen ersten Bereich (170), in dem die hohlzylinderförmige Elektrode (120) auf dem Becherboden aufsitzt, und einen kreisförmigen zentralen zweiten Bereich (180), der von dem ersten Bereich (170) umschlossen ist, auf. Die Energiespeicherzelle zeichnet sich weiter dadurch aus, dass der Becherboden in dem ersten kreisringförmigen Bereich (170) mindestens eine Kerbe (200) aufweist, welche den Becherboden strukturell schwächt.
Resumen de: EP4553519A1
A computer system (100) comprising processing circuitry (102) configured to: detect an isolation fault in an electrical energy storage system (104) comprising multiple electrical energy storage packs (106) connected in parallel to a voltage bus (108), the electrical energy storage packs each comprising a set of electrical energy storage cells (110); disconnect all but one electrical energy storage pack (106') from the voltage bus (108); determine an isolation resistance for each of the disconnected electrical energy storage packs (106), determine electrical energy storage cell temperatures for at least two cells in each of the disconnected electrical energy storage packs, provide a first thermal runaway warning signal (W1) when the isolation resistance is below a predetermined threshold, and provide a second thermal runaway warning signal (W2) when one of the electrical energy storage cell temperatures of an electrical energy storage pack exceeds a temperature threshold, and a first temperature difference between any two electrical energy storage cells of the same electrical energy storage pack exceeds a first temperature difference threshold, and provide a third thermal runaway warning signal (W3) when one of the electrical energy storage cell temperatures of an electrical energy storage pack exceeds the temperature threshold, and a second temperature difference between any two electrical energy storage cells of the same electrical energy storage pack exceeds a second temper
Resumen de: US2025149578A1
An anode active material for a lithium secondary battery according to embodiments of the present disclosure includes composite particles including carbon-based particles including pores, and a silicon-containing coating formed on a surface of the carbon-based particles, wherein the composite particles have an equivalent porosity of 5 to 25.1%, which is defined by Equation 1 below:Equivalentporosity(%)=(1-WcarbonDcarbon+WSiDSiWcarbon+WSiDP)*100Equation1In Equation 1, Dcarbon is a density (g/cm3) of carbon, DSi is a density (g/cm3) of silicon, DP is a density (g/cm3) of the composite particles measured by a helium (He) pycnometer, WSi is a weight (g) of silicon included in the composite particles, and Wcarbon is a weight (g) of carbon included in the composite particles.
Resumen de: KR20250066765A
본 발명의 댑손 제조 방법에 따르면, 일반식 1의 화합물 및 황화물계 화합물을 수용성 알코올 및 물을 포함하는 혼합 용매에서 반응시켜 화학식 3의 화합물을 제조한다. 화학식 3의 화합물을 산화제로 산화시켜 댑손을 제조한다. 본 발명 제조 방법은 중간체로 화학식 3의 화합물을 거쳐 댑손을 제조하고, 그에 따라 댑손의 수율 및 순도를 향상시킬 수 있다.
Resumen de: WO2024072370A1
A double-wall enclosure for thermal management of a battery pack that includes an inner hollow structure having an internal and external surface; the inner hollow structure having one or more battery modules located therein; and an outer hollow structure having an interior surface, wherein the external surface of the inner hollow structure either contacts the interior surface of the outer hollow structure or forms at least one channel with the interior surface of the outer hollow structure through which a heat transfer fluid flows. The inner hollow structure is formed of a polymer material, such that the inner hollow structure is in thermal contact with the heat transfer fluid in order to provide for the thermal management of the battery pack.
Resumen de: KR20250067032A
본 발명은 크림핑 가공에 의해 변형되더라도 전극조립체에 영향을 주지 않는 전극집전판 구조와 이를 적용한 이차전지에 관한 것이다. 상기 집전판은, 본체부, 상기 본체부보다 축방향 외측 및 반경방향 외측에 배치는 캔 연결부, 및 반경방향으로 연장되며 상기 본체부와 캔 연결부를 연결하는 브릿지를 구비한다. 상기 브릿지는 내측절곡부, 이너브릿지부, 브릿지절곡부, 아우터브릿지부 및 외측절곡부를 포함한다.
Resumen de: US2025149742A1
The present disclosure relates to a secondary battery including an electrode assembly, a main tab electrically coupled to the electrode assembly, a sub-tab electrically coupled to the main tab, and extending away from the electrode assembly, an insulating member covering the main tab, and including a base plate contacting the main tab, and defining base plate through-holes, and one or more stacked plates stacked on the base plate, and defining stacked plate through-holes, a case accommodating the electrode assembly, the main tab, the sub-tab, and the insulating member, a side terminal electrically coupled to the sub-tab, and a cap plate to which the side terminal is coupled to pass therethrough, and sealing the case.
Resumen de: US2025149740A1
A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; a cap plate coupled to an opening in the case; and a spacer in the case. A vent part is provided in the surface of the case which is opposite to the cap plate, and the spacer is accommodated in the case between a lower portion of the electrode assembly and the vent part. The spacer has: a surface portion contacting the electrode assembly and a space portion below the surface portion; an opening in an area of the surface portion corresponding to the vent part; and a gas discharge hole extending around the opening. Gas generated in the case is discharged to the outside through the vent part via the space portion and the gas discharge hole in the spacer.
Resumen de: US2025149738A1
A negative electrode for a rechargeable lithium battery includes a current collector, a negative electrode active material layer on the current collector, and an organic-inorganic composite layer on the negative electrode active material layer and integrated with the negative electrode active material layer. The negative electrode active material layer includes a negative electrode active material and a first binder, the organic-inorganic composite layer includes a second binder, and the first binder and the second binder include a copolymer including a structural unit derived from a (meth)acrylonitrile monomer.
Resumen de: JP2025000763A
To provide a negative electrode capable of improving input/output characteristics and lifetime characteristics by minimizing the problems caused by a tilt phenomenon of a binder while maintaining a conductive network smooth.SOLUTION: The present invention relates to a negative electrode including a negative electrode collector, a first negative electrode active material layer disposed on the negative electrode collector, and a second negative electrode active material layer disposed on the first negative electrode active material layer, wherein the second negative electrode active material layer includes a second negative electrode active material and a second conductive agent, wherein the second negative electrode active material includes a silicon-based active material, the silicon-based active material includes SiOX (0≤x<2), the second conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded side by side, and the carbon nanotube structure is included in an amount of 0.01 wt.% to 1.0 wt.% in the second negative electrode active material layer, and a secondary battery including the same.SELECTED DRAWING: Figure 1
Resumen de: KR20250067007A
본 발명은 무음극전극에 관한 것으로, 보다 상세하게는 집전체, 및 상기 집전체 상에 배치되는 전도성 유연 박막층을 포함하고, 상기 전도성 유연 박막층은 전도성 고분자, 소프트 고분자 및 금속 나노입자를 포함하며, 상기 금속 나노입자의 직경은 20 내지 100nm이고, 상기 금속 나노입자는 상기 전도성 고분자 및 상기 소프트 고분자의 중량의 합 대비 20 내지 50 중량%인 무음극전극에 관한 것이다.
Resumen de: WO2025100935A1
A battery module, according to the present invention, comprises: a busbar; a busbar frame configured so that the busbar is mounted thereto; a substrate comprising a substrate body positioned adjacent to the busbar frame, and a bending part bent from the substrate body and extending so that the busbar-side end portion thereof contacts the busbar; and a fuse mounted to the bending part, wherein the bending part is positioned so that a fuse receiving space is formed between same and the busbar frame, and the fuse is positioned in the fuse receiving space so as to prevent damage to the fuse.
Resumen de: KR20250066511A
본 발명은 금속 제올라이트-이미다졸 구조체가 첨가된 고체전해질 및 그를 포함하는 전고체전지에 관한 것으로, 황화물계 고체전해질을 사용하는 전고체전지에 있어서 금속 제올라이트-이미다졸 구조체에 의한 수분 흡수로 황화가스의 발생을 억제함으로써 이온전도도의 저하를 최소화하고 전고체전지의 특성을 향상시키기 위한 것이다. 나아가, 본 발명에 의하면 결과적으로 수분 안정성을 향상시킴으로써 전지 제조 공정의 효율성을 높일 수 있다.
Resumen de: US2025149669A1
Proposed is a method of extracting a metal from a salt solution derived from a spent battery, the method including preparing a salt solution derived from a spent battery containing metal ions, preparing a metal extractant mixture including a metal extractant and a metal extractant activator, bringing the metal extractant mixture into contact with the salt solution to produce a complex compound of the metal extractant mixture and the metal, and a first filtrate. The method further comprises recovering the complex compound and the first filtrate and bringing an acid into contact with the complex compound to produce a metal salt, and a second filtrate, recovering the metal salt and the second filtrate, and recovering each of the activator and acid from the first filtrate through electrodialysis.
Resumen de: KR20250067024A
일 실시예는, 이온형성장치가 연결된 챔버로써, 상기 이온형성장치는, 소스바디에서 출력부의 애노드전극으로 공급되는 전압을 이용하여 상기 애노드전극과 캐소드전극 사이에서 이온을 발생시킴으로써, 대상물에 특정 공정을 수행하기 위한 공간을 제공하는 챔버의 내부공간에 이온을 형성시키고, 형성된 이온을 통해 상기 대상물에 형성되는 정전기를 제거하는, 이온소스; 상기 이온소스를 상기 챔버에 고정시키기 위해 상기 챔버의 일측에 마련되는 고정부; 및 상기 이온소스 및 상기 고정부를 포함하고, 상기 이온소스의 일측이 진공 상태인 상기 챔버와 연통되도록 상기 챔버를 향하는 측이 개방된 개구부를 갖는 하우징;을 포함하고, 상기 이온형성장치가 상기 챔버와 일체형으로 결합하는, 이온형성장치가 내장된 진공챔버를 제공할 수 있다.
Resumen de: WO2025101036A1
According to some embodiments disclosed in the present document, a current sensor diagnosis device comprises a voltage sensor configured to collect voltage data from a battery, and a controller configured to: determine whether a current flows in the battery on the basis of current data, collected by a current sensor, of the battery; specify a reference voltage at a first end point in time of a first time period on the basis of the voltage data when it is determined that no current flows in the battery during the first time period; and diagnose the state of the current sensor on the basis of the reference voltage and the voltage data after the first end point in time.
Resumen de: WO2025100643A1
The present invention relates to an all-solid-state battery, more specifically, to an all-solid-state battery comprising a stack cell in which a plurality of unit cells and a plurality of elastic pads are alternately stacked, wherein each elastic pad comprises a polymer layer and metal crystals infiltrated into the polymer layer, the elastic pads electrically connecting the plurality of unit cells.
Resumen de: US2025149725A1
A rechargeable battery includes an electrode assembly, a case including a first sheet and a second sheet positioned on an upper side and a lower side of the electrode assembly along a thickness direction of the electrode assembly, respectively, the first sheet and the second sheet defining a receiving portion surrounding the electrode assembly and a sealing portion connected to an edge of the receiving portion, and a vent layer in the sealing portion at a bonding surface of the first sheet and the second sheet, the sealing portion being bent toward a side of the receiving portion, and the vent layer being in contact with a corner of the receiving portion and one end of the sealing portion.
Resumen de: KR20250067030A
에너지 저장장치 제조 방법이 개시된다. 본 발명에 따른 에너지 저장장치 제조 방법은, 전극소자에 연결된 전극리드를 단자판과 연결하는 단계, 상기 전극소자, 상기 전극리드를 통해 상기 전극소자와 연결된 단자판 및 리튬 메탈을 반응기에 넣는 단계, 상기 전극리드의 음극리드에 전원을 인가하여 상기 전극소자에 대한 리튬 도핑을 수행하는 단계, 및, 상기 리튬 도핑이 완료되면, 상기 전극소자 및 상기 전극소자와 연결된 단자판을 케이스에 넣어, 상기 전극소자 및 상기 전극소자와 연결된 단자판을 포함하는 에너지 저장장치를 제조하는 단계를 포함한다.
Resumen de: US2025149557A1
A lithium secondary battery according an embodiment of the present disclosure includes: a positive electrode; a negative electrode including a carbon-based negative electrode active material coated with a reduced graphene oxide (r-GO); and an electrolyte including a propylene carbonate-based compound. A manufacturing method of a negative electrode active material according an embodiment of the present disclosure includes: doping a carbon-based negative electrode active material with nitrogen; coating a surface of the carbon-based negative active material with a graphene oxide; and reducing the graphene oxide.
Resumen de: CN119547216A
The present invention relates to a silicon-carbon composite material comprising a porous carbon scaffold comprising micropores and mesopores and having a total pore volume greater than 0.5 cm3/g; a silicon content between 30% and 70%, including 30% and 70%; and a surface region having an at least partially coated first surface coating comprising at least one element of Li, B, Al, Si, P, Ti, Zr, Nb and/or W. The invention further relates to a method for producing such a surface-coated silicon-carbon composite material, an anode electrode and an electrochemical energy storage device.
Resumen de: CN119318026A
The present invention relates to a lithium-silicon-carbon composite material, in particular a lithium-silicon-carbon composite material formed as a surface coating, comprising a porous carbon scaffold comprising micropores and mesopores and having a total pore volume of not less than 0.5 cm3/g; a silicon content of from 30% to 70% (including 30% and 70%); a lithium content of from 2% to 20% (including 2% and 20%); and a first surface coating at least partially applied, the first surface coating forming a surface coating on a surface region of the lithium silicon carbon composite, the first surface coating comprising one or more elements of Li, B, Al, Si, P, Ti, Zr, Nb and/or W.
Resumen de: KR20250067031A
폼 패드를 이용하여 원통형 배터리 캔의 내압을 측정하는 방법 및 장치와, 이러한 방법을 적용하기 위한 전극조립체 구조를 제공한다. 상기 방법은, 압력에 상응하여 소정의 수축율을 가지는 폼 패드가 개재된 상태에서 양극과 분리막과 음극을 권취하여 형성된 젤리-롤 형상의 전극조립체, 및 상기 전극조립체가 수용되고 전해액이 주입된 원통형 캔을 구비하는 배터리 셀을 준비하는 단계; 상기 배터리 셀의 충전과 방전을 진행하며 폼 패드의 두께 변화를 측정하는 단계; 및 측정된 상기 두께 변화로부터 상기 폼패드의 수축율을 도출하고, 도출된 상기 수축율로부터 상기 폼 패드에 가해진 압력을 산출하는 단계;를 포함한다. 상기 장치는 셀 지지장치, 배터리 셀의 충방전 장치, CT 촬영장치, 및 이미지 분석장치를 포함한다.
Resumen de: WO2025100644A1
The present disclosure relates to a battery cell and a method for manufacturing the battery cell. An objective is to provide a battery cell comprising a cap plate, a terminal, and an insulator which insulates the cap plate and the terminal and is firmly coupled to the terminal and the cap plate, and a method for manufacturing the battery cell. To this end, the present disclosure provides a battery cell comprising: an electrode assembly: a cell case in which the electrode assembly is accommodated and having an opening formed to allow the electrode assembly to enter the inside; and a cap plate assembly installed in the cell case to close the opening, wherein the cap plate assembly includes a cap plate having a first uneven surface on which a plurality of first grooves are formed, a terminal having a second uneven surface on which a plurality of second grooves are formed and which faces the first uneven surface, and a first insulator filling the plurality of first grooves and the plurality of second grooves and interposed between the first uneven surface and the second uneven surface.
Nº publicación: KR20250066839A 14/05/2025
Solicitante:
에스케이온주식회사
Resumen de: KR20250066839A
전고체 전지 제조 방법에 있어서, 고분자 고체 전해질을 포함하는 전해질 필름을 공급한다. 전해질 필름의 일 면 상에 제1 전극 활물질층을 형성한다. 제1 전극 활물질층이 형성된 전해질 필름에 전해질 필름의 공급 방향과 수직한 제1 방향으로 제1 건조 기체를 공급한다. 전해질 필름의 일 면에 대향하는 타 면 상에 제2 전극 활물질층을 형성한다. 제1 및 제2 전극 활물질층이 형성된 전해질 필름의 진행 방향에 수직한 제2 방향으로 제2 건조 기체를 공급한다. 건조 기체의 방향에 의해 고분자 고체 전해질의 분포를 제어할 수 있고, 그에 따라 계면 저항이 감소되어 전고체 전지의 전기적 특성이 향상될 수 있다.
BOPI
Sede Electrónica
