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公开(公告)号:US20180034045A1
公开(公告)日:2018-02-01
申请号:US15545348
申请日:2016-01-20
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Xin XIA , Jens PAULSEN , Shinichi KUMAKURA , Song-Yi HAN
CPC classification number: H01M4/366 , C01G53/50 , C01P2002/54 , C01P2002/80 , C01P2004/84 , C01P2006/40 , H01M4/0471 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: This invention discloses a lithium metal oxide powder for a cathode material in a rechargeable battery, consisting of a core and a surface layer, the core having a layered crystal structure comprising the elements Li, M and oxygen, wherein M has the formula M=(Niz(Ni1/2Mn1/2)yCox)1-kAk, with 0.15≦x≦0.30, 0.20≦z≦0.55, x+y+z=1 and 0≦k≦0.1, wherein A is a dopant, wherein the Li content is stoichiometrically controlled with a molar ratio 0.95≦Li:M≦1.10; and wherein the surface layer comprises the elements Li, M′ and oxygen, wherein M′ has the formula M′=(Niz′(Ni1/2Mn1/2)y′Cox′)1-k′Ak′, with x′+y′+z′=1 and 0≦k′≦0.1, and wherein y′/(y′+2z′)≧1.1*[y/(y+2z)]. The surface layer may also comprise at least 3 mol % Al, the Al content in the surface layer 10 being determined by XPS.
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2.
公开(公告)号:US20180254525A1
公开(公告)日:2018-09-06
申请号:US15759974
申请日:2016-09-15
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Xin XIA , Maxime BLANGERO , Jing ZHANG , Wenlong YANG , Jens PAULSEN
IPC: H01M10/0569 , H01M4/36 , H01M4/525 , H01M4/505 , H01M4/587 , H01M10/0525 , H01M10/0568 , H01M10/0567
Abstract: A lithium secondary cell having an operating voltage ≥4.35 sV, comprising a cathode comprising a doped L1CoO2 active material, an anode comprising graphite, and an electrolyte comprising a carbonate-based solvent, a lithium salt and both a succinonitrile (SN) and a lithium bis(oxalato)borate (LiBOB) additive wherein during the discharge at 45° C. from a state of charge (SOC) of 100% at 4.5V to a SOC of 0 at 3V at a C/10 rate the difference of the SOC at 4.42V and 4.35V is at least 7% but less than 14%, and wherein the active material is doped by at least 0.5 mole % of either one or more of Mn, Mg and Ti.
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公开(公告)号:US20180269476A1
公开(公告)日:2018-09-20
申请号:US15757036
申请日:2016-08-29
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Xin XIA , Jens PAULSEN , Song-Yi HAN
IPC: H01M4/525 , H01M4/505 , H01M10/052 , C01G53/00
CPC classification number: H01M4/525 , C01G53/006 , C01G53/54 , C01P2002/32 , C01P2002/50 , C01P2002/52 , C01P2002/72 , C01P2002/74 , C01P2002/76 , C01P2002/88 , C01P2004/03 , C01P2004/61 , C01P2004/82 , C01P2006/40 , H01M4/505 , H01M10/052 , H01M2004/028
Abstract: A powderous lithium metal oxide material having a cubic structure with space group Fd-3m and having the formula Li1−a[(NibMna1−b)1−xTixAy]2+aO4 with 0.005≤x≤0.018, 0≤y≤0.05, 0.01≤a≤0.03, 0.18≤b≤0.28, wherein A is one or more elements from the group of the metal elements excluding Li, Ni, Mn and Ti.
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4.
公开(公告)号:US20180019464A1
公开(公告)日:2018-01-18
申请号:US15544962
申请日:2016-01-20
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Xin XIA , Jens PAULSEN , JiHye KIM , Song-Yi HAN
IPC: H01M4/36 , H01M4/525 , H01M4/131 , H01M10/0525 , H01M4/505
CPC classification number: H01M4/366 , C01G53/52 , C01G53/66 , C01P2006/40 , H01M4/0471 , H01M4/131 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/62 , H01M10/0525 , H01M2220/20 , H01M2220/30 , Y02T10/7011
Abstract: A lithium metal oxide powder for a cathode material in a rechargeable battery, consisting of a core and a surface layer, the surface layer being delimited by an outer and an inner interface, the inner interface being in contact with the core, the core having a layered crystal structure comprising the elements Li, M and oxygen, wherein M has the formula M=(Niz(Ni1/2Mn1/2)yCox)1-kAk, with 0.15≦x≦0.30, 0.20≦z≦0.55, x+y+z=1 and 0
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5.
公开(公告)号:US20200335824A1
公开(公告)日:2020-10-22
申请号:US16916223
申请日:2020-06-30
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Xin XIA , Maxime BLANGERO , Jing ZHANG , Wenlong YANG , Jens PAULSEN
IPC: H01M10/0569 , H01M4/525 , H01M10/0525 , H01M10/0567 , H01M4/36 , C01G51/00 , H01M4/587 , H01M10/0568
Abstract: A lithium secondary cell having an operating voltage ≥4.35V, comprising a cathode comprising a doped LiCoO2 active material, an anode comprising graphite, and an electrolyte comprising a carbonate-based solvent, a lithium salt and both a succinonitrile (SN) and a lithium bis(oxalato)borate (LiBOB) additive wherein during the discharge at 45° C. from a state of charge (SOC) of 100% at 4.5V to a SOC of 0 at 3V at a C/10 rate the difference of the SOC at 4.42V and 4.35V is at least 7% but less than 14%, and wherein the active material is doped by at least 0.5 mole % of either one or more of Mn, Mg and Ti.
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公开(公告)号:US20190051899A1
公开(公告)日:2019-02-14
申请号:US15761450
申请日:2016-09-22
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Xin XIA , Song-Yi HAN , Ji-Hye KIM , Jens PAULSEN
IPC: H01M4/505 , H01M4/525 , H01M10/0525 , C04B35/01 , C04B35/64
CPC classification number: H01M4/505 , C01G53/50 , C01P2002/50 , C01P2002/52 , C01P2002/76 , C01P2002/85 , C01P2004/03 , C01P2004/51 , C01P2004/61 , C01P2006/40 , C04B35/016 , C04B35/64 , C04B2235/3244 , C04B2235/3268 , C04B2235/3275 , C04B2235/3279 , C04B2235/5409 , C04B2235/5445 , C04B2235/656 , C04B2235/76 , C04B2235/96 , H01M4/525 , H01M10/0525 , H01M2004/028
Abstract: The invention provides a dual component lithium-rich layered oxide positive electrode material for a secondary battery, the material consisting of a single-phase lithium metal oxide with space group R-3m and having the general formula Li1+bN1−bO2, wherein 0.155≤b≤0.25 and N=NixMnyCOzZrcAd, with 0.10≤x≤0.40, 0.30≤y≤0.80, 0
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公开(公告)号:US20180226631A1
公开(公告)日:2018-08-09
申请号:US15746113
申请日:2016-07-07
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Jens PAULSEN , Xin XIA , Song-Yi HAN , Jing ZHANG
CPC classification number: H01M4/131 , C01G51/42 , C01G53/50 , C01P2002/50 , C01P2004/03 , C01P2004/51 , C01P2004/62 , C01P2004/64 , C01P2004/84 , C01P2006/12 , C01P2006/40 , H01M4/0471 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0562
Abstract: A lithium transition metal oxide powder for a positive electrode material in a solid-state lithium ion battery, the powder consisting of particles having a core and a surface layer consisting of an inner and an outer layer, wherein the powder has a D50 between 35 and 60 μm, wherein the core has the general formula LixCoO2 with 0.99
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公开(公告)号:US20230335746A1
公开(公告)日:2023-10-19
申请号:US18211382
申请日:2023-06-19
Applicant: Umicore
Inventor: Jens PAULSEN , Xin XIA , KyungTae Lee , DaeKwang Kim
IPC: H01M4/62 , H01M4/58 , H01M4/36 , H01M4/04 , H01M4/136 , H01M4/1397 , H01M10/0525
CPC classification number: H01M4/625 , H01M4/5825 , H01M4/366 , H01M4/0471 , H01M4/136 , H01M4/1397 , H01M10/0525 , H01M10/052
Abstract: The invention relates to an electrochemically active powder comprising particles containing a compound represented by formula AaMm(XO4)n wherein A comprises an alkaline metal; M comprises at least one transition metal and optionally at least one non-transition metal; and X is chosen among S, P and Si; wherein 0
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公开(公告)号:US20160240856A1
公开(公告)日:2016-08-18
申请号:US15026016
申请日:2014-09-17
Applicant: UMICORE
Inventor: Jens PAULSEN , Xin XIA , KyungTae Lee , DaeKwang Kim
IPC: H01M4/62 , H01M10/0525 , H01M4/1397 , H01M4/04 , H01M4/58 , H01M4/136
CPC classification number: H01M4/625 , H01M4/0471 , H01M4/136 , H01M4/1397 , H01M4/366 , H01M4/5825 , H01M10/052 , H01M10/0525 , H01M2004/028
Abstract: The invention relates to an electrochemically active powder comprising particles containing a compound represented by formula AaMm(XO4)n wherein A comprises an alkaline metal; M comprises at least one transition metal and optionally at least one non-transition metal; and X is chosen among S, P and Si; wherein 0
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