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1.
公开(公告)号:EP4350805A3
公开(公告)日:2024-06-19
申请号:EP23193527.1
申请日:2023-08-25
发明人: LEE, Yong Seok , JEUN, Jeong Hoon , KIM, Jae Ram , MIN, Jae Yun , EOM, Ki Joo , LEE, Myung Ro , JANG, Hyun Joong , CHOI, Je Nam
CPC分类号: H01M2004/02120130101 , H01M2004/02820130101 , H01M4/131 , H01M4/364 , H01M4/525 , H01M4/625 , Y02E60/10 , H01M4/505 , H01M10/052
摘要: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles includes a lithium metal oxide particle containing nickel and having a mole fraction of cobalt of 0.02 or less among all elements except lithium and oxygen.
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2.
公开(公告)号:EP4369433A1
公开(公告)日:2024-05-15
申请号:EP23191885.5
申请日:2023-08-17
发明人: LEE, Yong Seok , JEUN, Jeong Hoon , KIM, Jae Ram , MIN, Jae Yun , EOM, Ki Joo , LEE, Myung Ro , JANG, Hyun Joong , CHOI, Je Nam
CPC分类号: H01M2004/02820130101 , H01M4/0404 , H01M4/043 , H01M4/131 , H01M4/525 , H01M4/505 , H01M4/621 , H01M4/624 , H01M10/0525
摘要: A cathode for a lithium secondary battery according to exemplary embodiments may include a cathode current collector and a cathode active material layer which is formed on the cathode current collector, includes cathode active material particles and satisfies a specific equation. The cathode active material particles may include lithium metal oxide particles which contain nickel and have a mole fraction of cobalt of 0.02 or less of all elements except for lithium and oxygen.
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3.
公开(公告)号:EP4224563A1
公开(公告)日:2023-08-09
申请号:EP23154445.3
申请日:2023-02-01
申请人: SK On Co., Ltd.
发明人: LEE, Yong Seok , KIM, Jae Ram , BAE, Sang Won , SONG, Yeon Hwa , EOM, Ki Joo , LEE, Myung Ro , LEE, Jae Yeong , JANG, Hyun Joong
摘要: An anode active material for a lithium secondary battery according to embodiments of the present invention includes a carbon-based active material and a silicon-based active material including silicon-based active material particles having a particle size distribution in a range from 1 µm to 19 µm. A lithium secondary battery having improved life-span and rapid charge/discharge properties at room temperature is provided.
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4.
公开(公告)号:EP4350805A2
公开(公告)日:2024-04-10
申请号:EP23193527.1
申请日:2023-08-25
发明人: LEE, Yong Seok , JEUN, Jeong Hoon , KIM, Jae Ram , MIN, Jae Yun , EOM, Ki Joo , LEE, Myung Ro , JANG, Hyun Joong , CHOI, Je Nam
摘要: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles includes a lithium metal oxide particle containing nickel and having a mole fraction of cobalt of 0.02 or less among all elements except lithium and oxygen.
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5.
公开(公告)号:EP4300620A1
公开(公告)日:2024-01-03
申请号:EP23182324.6
申请日:2023-06-29
申请人: SK On Co., Ltd.
发明人: LEE, Yong Seok , KIM, Jae Ram , NA, Ji Won , BAE, Sang Won , SONG, Yeon Hwa , EOM, Ki Joo , LEE, Myung Ro , LEE, Jae Yeong , JANG, Hyun Joong
摘要: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes a cathode active material and a conductive material ID/IG is in a range from 0.5 to 1.25 in a Raman spectrum of the cathode active material layer. The cathode active material includes lithium metal oxide particles containing nickel and manganese and having a content of cobalt of less than 2 mol% among all elements except for lithium and oxygen.
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公开(公告)号:EP4231378A1
公开(公告)日:2023-08-23
申请号:EP23157468.2
申请日:2023-02-20
申请人: SK On Co., Ltd.
发明人: JANG, Hyun Joong , KIM, Jae Ram , LEE, Yong Seok
IPC分类号: H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/1395 , H01M4/36 , H01M4/583 , H01M10/0525 , H01M4/587 , H01M4/02
摘要: An anode for a secondary battery includes a first anode mixture layer disposed on an anode current collector and a second anode mixture layer disposed on a surface of the anode, wherein the first and second anode mixture layers include a graphite-based anode active material of graphite secondary particles, at least the second anode mixture layer includes a graphite-based anode active material of graphite primary particles, and a content [A2] of graphite primary particles included in the second anode mixture layer is greater than a content [A1] of graphite primary particles included in the first anode mixture layer.
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7.
公开(公告)号:EP4102598A1
公开(公告)日:2022-12-14
申请号:EP22178516.5
申请日:2022-06-10
申请人: SK On Co., Ltd.
发明人: LEE, Yong Seok , KIM, Jae Ram , KIM, Jung Hwan , MIN, Jae Yun , BAE, Sang Won , LEE, Myung Ro , LEE, Jae Yeong , JANG, Hyun Joong
摘要: A cathode composition for a lithium secondary battery includes a cathode active material that includes first cathode active material particles respectively having a secondary particle shape and second cathode active material particles respectively having a single particle shape, and a conductive material including a linear-type conductive material. A lithium secondary battery having enhanced life-span and resistance properties is provided.
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