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公开(公告)号:US12015152B2
公开(公告)日:2024-06-18
申请号:US18346301
申请日:2023-07-03
申请人: SK On Co., Ltd.
发明人: Sang Han Lee , Sang Wook Lee , Byoung Beom Lim , Yong Hyun Cho
CPC分类号: H01M4/505 , C01G53/50 , H01M4/131 , H01M4/525 , C01P2002/52 , C01P2002/60 , C01P2002/74 , C01P2006/40 , H01M2004/021 , H01M2004/028
摘要: A positive electrode active material may include a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element. An I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8.
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公开(公告)号:US20220271285A1
公开(公告)日:2022-08-25
申请号:US17673047
申请日:2022-02-16
申请人: SK ON CO., LTD.
发明人: Young Hoon Do , Sang Wook Lee , Yong Hyun Cho
IPC分类号: H01M4/525 , H01M10/0525
摘要: A cathode active material for a lithium secondary battery according to exemplary embodiments includes a lithium metal oxide containing 80 mol % or more of nickel of all elements except for lithium and oxygen, and has a particle size distribution change rate and a specific surface area change rate value satisfying a predetermined range.
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公开(公告)号:US20240304804A1
公开(公告)日:2024-09-12
申请号:US18670051
申请日:2024-05-21
申请人: SK On Co., Ltd.
发明人: Sang Han Lee , Sang Wook Lee , Byoung Beom Lim , Yong Hyun Cho
CPC分类号: H01M4/505 , C01G53/50 , H01M4/131 , H01M4/525 , C01P2002/52 , C01P2002/60 , C01P2002/74 , C01P2006/40 , H01M2004/021 , H01M2004/028
摘要: A positive electrode active material according to an Example of the present invention may comprise a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element, wherein an I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8.
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公开(公告)号:US20240128447A1
公开(公告)日:2024-04-18
申请号:US18346301
申请日:2023-07-03
申请人: SK On Co., Ltd.
发明人: Sang Han Lee , Sang Wook Lee , Byoung Beom Lim , Yong Hyun Cho
CPC分类号: H01M4/505 , C01G53/50 , H01M4/131 , H01M4/525 , H01M2004/028
摘要: A positive electrode active material may include a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element. An I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8
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