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公开(公告)号：EP4462506A1
公开(公告)日：2024-11-13
申请号：EP23880284.7
申请日：2023-10-20
发明人： PARK, Su Jin , JUN, Chan Soo , KO, Minjin , LEE, Jaewook
IPC分类号： H01M4/38 , H01M4/48 , H01M4/62 , H01M4/134 , H01M4/1395 , H01M4/04 , H01M10/0525 , H01M4/02
摘要： The present disclosure relates to a negative electrode for a lithium secondary battery, a method for manufacturing the negative electrode, and a lithium secondary battery including the negative electrode.
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公开(公告)号：EP4462505A1
公开(公告)日：2024-11-13
申请号：EP23839988.5
申请日：2023-07-13
发明人： KIM, Dohyeun , KIM, Donghyuk , LEE, Yong Ju , JUN, Hyunmin
IPC分类号： H01M4/38 , H01M4/48 , H01M4/134 , H01M4/1395 , H01M4/62 , H01M4/04 , H01M10/052 , C01B33/113 , C01B33/18
摘要： The present application relates to a negative electrode active material, a method for manufacturing a negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode.
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公开(公告)号：EP4456175A1
公开(公告)日：2024-10-30
申请号：EP24170373.5
申请日：2024-04-15
申请人： SK On Co., Ltd.
发明人： JANG, Hwan Ho , KIM, Moon Sung , KIM, Hyo Mi , RYU, Sang Baek , YOOK, Seung Hyun , CHUNG, Da Bin , HAN, Jun Hee , KWON, Seong Cho , PARK, Da Hye , PARK, Sang Won , BANG, Sang In
摘要： An anode for a lithium secondary battery includes an anode current collector, and an anode active material layer formed on at least one surface of the anode current collector. The anode active material layer includes a carbon-based active material, a first silicon-based active material including a carbon-silicon composite active material, and a second silicon-based active material including a silicon oxide (SiOx, 0
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公开(公告)号：EP4451400A1
公开(公告)日：2024-10-23
申请号：EP23877645.4
申请日：2023-10-11
发明人： PARK, Kyutae , JUNG, Wonhee , KIM, Minsoo , KIM, Shulkee , PIAO, Lilin , BAEK, Sora , YOO, Kwang Ho , LEE, Gyeongseop
IPC分类号： H01M10/052 , H01M4/36 , H01M4/48 , H01M4/38 , H01M4/587 , H01M4/525 , H01M4/505 , H01M10/0567
摘要： The present invention relates to a lithium secondary battery comprising a cathode, a separator, an anode and an electrolyte, wherein the cathode comprises a lithium composite transition metal compound containing nickel (Ni) and cobalt (Co), the anode comprises a mixed anode active material of a silicon-based active material and a carbon-based active material, the electrolyte comprises fluoroethylene carbonate, and the efficiency constant of the mixed anode active material and the lithium composite transition metal compound and the parts by weight of the fluoroethylene carbonate satisfy a specific relation.
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5.发明公开
公开(公告)号：EP4428942A3
公开(公告)日：2024-10-23
申请号：EP24161035.1
申请日：2024-03-02
申请人： Ricoh Company, Ltd.
发明人： SAIGA, Takuya , TAKAUJI, Keigo , HAGIWARA, Hiroki , NOSE, Daisuke , ABE, Naoto
IPC分类号： H01M4/131 , H01M4/48 , H01M4/62 , H01M10/052 , H01M4/04 , H01M4/13 , H01M4/139 , H01M4/66 , H01M4/02
摘要： An electrode (10, 20) is provided that includes an electrode base (11, 21), an electrode mixture layer (12, 22) on the electrode base (11, 21) and containing an active material, and a porous insulating layer (13, 23) on the electrode mixture layer (12, 22) and formed integrally with the electrode mixture layer (12, 22). The porous insulating layer (13, 23) has a porous structure having a resin backbone and contains an inorganic oxide. An area ratio (a:b) of the resin backbone (a) and the inorganic oxide (b) in the porous insulating layer (13, 23) ranges from 99.9%:0.1% to 90%:10%.
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公开(公告)号：EP4050681B1
公开(公告)日：2024-10-23
申请号：EP20937195.4
申请日：2020-12-28
发明人： YI, Ting
IPC分类号： H01M4/587 , H01M10/0525 , H01M10/0569 , H01M4/02 , H01M4/36 , H01M4/48 , H01M4/62
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7.发明公开
公开(公告)号：EP4428942A2
公开(公告)日：2024-09-11
申请号：EP24161035.1
申请日：2024-03-02
申请人： Ricoh Company, Ltd.
发明人： SAIGA, Takuya , TAKAUJI, Keigo , HAGIWARA, Hiroki , NOSE, Daisuke , ABE, Naoto
IPC分类号： H01M4/131 , H01M4/48 , H01M4/62 , H01M10/052
CPC分类号： H01M4/131 , H01M4/483 , H01M4/62 , H01M10/052
摘要： An electrode (10, 20) is provided that includes an electrode base (11, 21), an electrode mixture layer (12, 22) on the electrode base (11, 21) and containing an active material, and a porous insulating layer (13, 23) on the electrode mixture layer (12, 22) and formed integrally with the electrode mixture layer (12, 22). The porous insulating layer (13, 23) has a porous structure having a resin backbone and contains an inorganic oxide. An area ratio (a:b) of the resin backbone (a) and the inorganic oxide (b) in the porous insulating layer (13, 23) ranges from 99.9%:0.1% to 90%:10%.
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8.发明公开
公开(公告)号：EP4425610A1
公开(公告)日：2024-09-04
申请号：EP22886549.9
申请日：2022-09-26
发明人： ENATSU, Yuuki , MARU, Naoto , FUSE, Tooru
IPC分类号： H01M4/38 , C01B32/21 , C01B33/113 , H01M4/13 , H01M4/139 , H01M4/1393 , H01M4/1395 , H01M4/36 , H01M4/48 , H01M4/58 , H01M4/587
CPC分类号： Y02E60/10 , C01B32/21 , C01B33/113 , H01M4/139 , H01M4/1393 , H01M4/1395 , H01M4/13 , H01M4/36 , H01M4/38 , H01M4/58 , H01M4/48 , H01M4/587
摘要： Particles having a chromaticity b* of 2.0 or less, the particles comprising graphite (A) and particles (B) containing a silicon element. The chromaticity b* of the particles is preferably 0.2 or more and 1.1 or less, and the chromaticity a* of the particles is preferably 0.2 or more and 1.2 or less. A method for manufacturing a secondary battery including a positive electrode, a negative electrode, and an electrolyte, wherein the negative electrode comprises a current collector and a negative electrode active material layer disposed on the current collector, and the negative electrode active material layer contains the graphite.
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9.发明公开
公开(公告)号：EP4418395A1
公开(公告)日：2024-08-21
申请号：EP23799725.9
申请日：2023-05-04
发明人： CHAE, Jonghyun , LEE, Ilha , JEON, Seoyoung , KOO, Daeryung , KWON, Yohan , KIM, Sarah , JOO, Mun Kyu
IPC分类号： H01M10/058 , H01M4/139 , H01M4/04 , H01M10/052 , H01M4/38 , H01M4/48 , H01M4/02
CPC分类号： H01M4/02 , H01M10/052 , H01M4/48 , H01M4/04 , H01M4/38 , H01M4/525 , H01M10/058 , H01M4/139 , H01M4/62 , Y02P70/50 , Y02E60/10
摘要： The present invention relates to a method for manufacturing an electrode assembly, in which after transferring a transfer laminate in which a base layer, a surface protection layer, and a lithium metal layer are sequentially laminated so that the lithium metal layer is brought into contact with a separator, the separator onto which the lithium metal layer is transferred is brought into contact with the surface of the electrode layer, and the surface protection layer is made to face an electrode.
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公开(公告)号：EP4418340A1
公开(公告)日：2024-08-21
申请号：EP22896052.2
申请日：2022-11-16
发明人： KIM, Ye Lin , JO, Mi Ru , PARK, Sung Bin , JOENG, Seung Hwan
IPC分类号： H01M4/131 , H01M4/133 , H01M4/36 , H01M4/48 , H01M4/587 , H01M4/62 , H01M10/052 , H01M4/525 , H01M4/02
CPC分类号： Y02E60/10 , H01M4/02 , H01M10/052 , H01M4/48 , H01M4/36 , H01M4/525 , H01M4/587 , H01M4/62 , H01M4/133 , H01M4/131
摘要： The present invention relates to a negative electrode including a negative electrode current collector; a first negative electrode active material layer disposed on the negative electrode current collector and including a first carbon-based active material, a first silicon-based active material, and a first binder; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second carbon-based active material, a second silicon-based active material, and a second binder, wherein the first silicon-based active material includes a first silicon-based compound represented by SiOx (0≤x
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