-
1.
公开(公告)号:US10804566B2
公开(公告)日:2020-10-13
申请号:US15759974
申请日:2016-09-15
申请人: Umicore , Umicore Korea Ltd.
发明人: Xin Xia , Maxime Blangero , Jing Zhang , Wenlong Yang , Jens Paulsen
IPC分类号: H01M10/0569 , H01M4/525 , H01M10/0525 , H01M10/0567 , H01M4/36 , H01M4/587 , H01M10/0568 , H01M4/505 , H01M4/02 , C01G51/00
摘要: 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.
-
公开(公告)号:US10790510B2
公开(公告)日:2020-09-29
申请号:US16088893
申请日:2017-03-09
申请人: Umicore , Umicore Korea Ltd.
发明人: Jeong-Rae Kim , Gyeong-Ok Kim , Xin Xia , Jing Zhang
IPC分类号: H01M4/525 , H01M10/0525 , H01M4/131 , H01M10/0567 , H01M10/0569 , H01M4/505 , H01M4/02
摘要: A rechargeable lithium ion battery comprising a positive electrode, a negative electrode and an electrolyte, the positive electrode comprising a lithium nickel manganese cobalt oxide-based powder with particles comprising 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 0.13≤x≤0.30, 0.20≤z≤0.55, x+y+z=1 and 0
-
公开(公告)号:US10756344B2
公开(公告)日:2020-08-25
申请号:US15757016
申请日:2016-08-25
申请人: Umicore , Umicore Korea Ltd.
发明人: Jens Paulsen , JiHye Kim , Jin-Doo Oh , Jing Zhang
摘要: A crystalline precursor compound is described for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula Li1−a ((Niz(Ni1/2 Mn1/2)y Cox)1−k Ak)1+a O2, wherein x+y+z=1, 0.1≤x≤0.4, 0.25≤z≤0.55, A is a dopant, 0≤k≤0.1, and 0.04≤a≤0.50, wherein the precursor has a crystalline size L expressed in nm, with 77−(67*z)≤L≤97−(67*z). Also a method is described for manufacturing a positive electrode material having a general formula Li1−a′ ((Niz (Ni1/2 Mn1/2)y Cox)1−k Ak)1−a′ O2, wherein x+y+z=1, 0.1≤x≤0.4, 0.25≤z≤0.55, A is a dopant, 0≤k≤0.1, and 0.01≤a′≤0.10 by sintering the crystalline precursor compound in an oxidizing atmosphere at a temperature T between 800 and 1000° C., for a time t between 6 and 36 hrs.
-
公开(公告)号:US10173896B2
公开(公告)日:2019-01-08
申请号:US15503123
申请日:2014-08-13
申请人: Umicore , Umicore Korea Ltd.
发明人: DaeHyun Kim , Jens Paulsen , Jing Zhang
摘要: An olivine cathode material having the formula LiaFe1−x−y−zMnxD(y+z)(PO4)c, wherein a, c, x, y and z represent molar amounts, wherein D=Mg and/or Cr, wherein y represent the amount of Mg and z represents the amount of Cr, wherein 1.04
-
公开(公告)号:US10910646B2
公开(公告)日:2021-02-02
申请号:US15568000
申请日:2016-04-15
申请人: Umicore , Umicore Korea Ltd.
发明人: Shinichi Kumakura , Jing Zhang , Jens Paulsen
IPC分类号: H01M4/525 , H01M4/505 , H01M4/485 , C01G53/00 , H01M10/0525 , H01M10/42 , C01G45/00 , C01G39/00 , C01G45/12 , H01M4/02
摘要: A positive electrode for a rechargeable battery, comprising a lithium metal oxide powder having a layered crystal structure and having the formula LixTmyHmzO6, with 3≤x≤4.8, 0.60≤y≤2.0, 0.60≤z≤2.0, and x+y+z=6, wherein Tm is one or more transition metals of the group consisting of Mn, Fe, Co, Ni, and Cr; wherein Hm is one or more metals of the group consisting of Zr, Nb, Mo and W. The lithium metal oxide powder may comprise dopants and have the formula LixTmyHmzM″mO6— δAδ, wherein A is either one or more elements of the group consisting of F, S or N; and M″ is either one or more metal of the group consisting of Ca, Sr, Y, La, Ce and Zr, with either δ>0 or m>0, δ≤0.05, m≤0.05 and x+y+z+m=6.
-
公开(公告)号:US20200168908A1
公开(公告)日:2020-05-28
申请号:US16088893
申请日:2017-03-09
申请人: Umicore , Umicore Korea Ltd.
发明人: Jeong-Rae Kim , Gyeong-Ok Kim , Xin Xia , Jing Zhang
IPC分类号: H01M4/525 , H01M4/131 , H01M10/0525 , H01M4/505 , H01M10/0567 , H01M10/0569
摘要: A rechargeable lithium ion battery comprising a positive electrode, a negative electrode and an electrolyte, the positive electrode comprising a lithium nickel manganese cobalt oxide-based powder with particles comprising 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 0.13≤x≤0.30, 0.20≤z≤0.55, x+y+z=1 and 0
-
公开(公告)号:US10333135B2
公开(公告)日:2019-06-25
申请号:US15746113
申请日:2016-07-07
申请人: Umicore , Umicore Korea Ltd.
发明人: Jens Paulsen , Xin Xia , Song-Yi Han , Jing Zhang
IPC分类号: C01G51/00 , C01G53/00 , H01M4/04 , H01M4/131 , H01M4/36 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0562
摘要: 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
-
8.
公开(公告)号:US11688883B2
公开(公告)日:2023-06-27
申请号:US16916223
申请日:2020-06-30
申请人: Umicore , Umicore Korea Ltd.
发明人: Xin Xia , Maxime Blangero , Jing Zhang , Wenlong Yang , Jens Paulsen
IPC分类号: H01M10/0569 , H01M4/525 , H01M10/0525 , H01M10/0567 , H01M4/36 , C01G51/00 , H01M4/587 , H01M10/0568 , H01M4/505 , H01M4/02
CPC分类号: H01M10/0569 , C01G51/42 , H01M4/366 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M4/505 , H01M2004/028 , H01M2220/30 , H01M2300/0037
摘要: 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.
-
公开(公告)号:US20190207246A1
公开(公告)日:2019-07-04
申请号:US16303081
申请日:2017-05-05
申请人: Umicore
IPC分类号: H01M10/0525 , H01M10/0567 , H01M10/0569 , H01M4/525 , H01M4/131 , H01M4/505 , H01M10/48 , C01G53/00
CPC分类号: H01M10/0525 , C01G53/04 , C01G53/44 , C01G53/50 , C01P2002/85 , C01P2004/61 , C01P2004/84 , H01M4/131 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/0567 , H01M10/0569 , H01M10/48 , H01M2004/021 , H01M2004/028 , H01M2300/0037 , Y02T10/7011
摘要: A rechargeable lithium ion battery including: a positive electrode including coated particles, wherein each particle includes a core and a coating disposed thereon, wherein the core consists of Li, M, and O, and the coating includes Li, M, O, and Al2O3; wherein: M is (Niz(Ni1/2Mn1/2)yCox)1−kAk; 0.15≤z≤0.50; 0.17≤x≤0.30; 0.35≤y≤0.75; 0
-
公开(公告)号:US11217817B2
公开(公告)日:2022-01-04
申请号:US16303081
申请日:2017-05-05
申请人: Umicore
IPC分类号: H01M10/0525 , H01M4/131 , H01M4/525 , H01M10/0567 , H01M10/0569 , H01M4/36 , C01G53/04 , C01G53/00 , H01M4/505 , H01M10/48 , H01M4/02
摘要: A rechargeable lithium ion battery including: a positive electrode including coated particles, wherein each particle includes a core and a coating disposed thereon, wherein the core consists of Li, M, and O, and the coating includes Li, M, O, and AI2O3; wherein: M is (Niz(Ni1/2Mn1/2)yCox)1−kAk; 0.15≤z≤0.50; 0.17≤x≤0.30; 0.35≤y≤0.75; 0
-
-
-
-
-
-
-
-
-