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91.
公开(公告)号:US20200006769A1
公开(公告)日:2020-01-02
申请号:US16492206
申请日:2017-03-14
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Jens PAULSEN , Daniël NELIS , Jin HU , Liang ZHU , Eric ROBERT
Abstract: A crystalline precursor compound 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 M(O)x(OH)2-x-y(CO3)y, with 0 30.104 cm5/g2.
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公开(公告)号:US10147945B2
公开(公告)日:2018-12-04
申请号:US14771237
申请日:2013-03-08
Applicant: Umicore , Umicore Korea Ltd.
Inventor: DaeHyun Kim , Jens Paulsen , HeonPyo Hong
IPC: H01M4/58 , C01B25/45 , H01M10/052 , H01M4/02 , H01M10/0525
Abstract: The invention discloses an olivine cathode material comprising Li, M and PO 4, having a non-stoichiometric composition wherein: —the phosphor stoichiometry PO 4:[(Li+M)/2] is between 0.940 and 1.020, —the lithium to metal ratio Li:M is between 1.040 and 1.150, and wherein M=Fe−x−z′ Mn x D z′, with 0.10 0, D being a dopant comprising either one or both of Cr and Mg. In one embodiment PO 4:[(Li+M)/2] is between 0.960 and 1.000, resulting in an even better performing material. Performance is improved even more in another embodiment wherein PO 4:[(Li+M)/2] is less than 1.000. Improvements in performance are also obtained for either an embodiment wherein the lithium to metal ratio Li:M is between 1.070 and 1.120; or an embodiment wherein the manganese to iron ratio Mn/(Mn+Fe) is between 0.25 and 0.75; or for another embodiment wherein z′
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公开(公告)号:US10090518B2
公开(公告)日:2018-10-02
申请号:US15121439
申请日:2015-02-25
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Dae-Hyun Kim , Jens Paulsen
IPC: H01B1/06 , H01B1/08 , H01M4/36 , H01M4/505 , H01M4/525 , H01M4/131 , H01M4/62 , H01M10/0525 , H01M10/052 , H01M4/02
Abstract: A method for preparing a positive electrode material for a rechargeable lithium battery, comprising the steps of: —providing a Li metal (M) oxide electroactive material, —providing an inorganic oxidizing chemical compound, —providing a chemical that is a Li-acceptor, —mixing the Li metal (M) oxide, the oxidizing compound and the Li-acceptor, and —heating the mixture at a temperature between 200 and 800° C. in an oxygen comprising atmosphere. In an embodiment the positive electrode material comprises a Li metal (M) oxide electroactive material, and between 0.15 and 5 wt % of a LiNaS04 secondary phase. The Li metal oxide may have the general formula Li1+a′M1−aO2, with a′
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公开(公告)号:US09972843B2
公开(公告)日:2018-05-15
申请号:US14915281
申请日:2014-08-21
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Randy De Palma , JiHye Kim , Kris Driesen , Jens Paulsen , Jin Hu
CPC classification number: H01M4/505 , C01G53/006 , C01G53/44 , C01P2002/72 , C01P2004/51 , C01P2004/61 , C01P2006/11 , C01P2006/12 , H01M2004/028
Abstract: A carbonate precursor compound of a lithium manganese based oxide powder for a positive electrode of a rechargeable battery, the oxide having the general formula Li1+vM1−vO2, wherein −0.03≤v≤0.25, wherein M is a composition comprising at least 50 mol % of manganese, and wherein the carbonate precursor compound has a secondary particle size D50 expressed in μm, and a tap density TD expressed in g/cm3, with either 1≤TD≤(2.78*D50)/(D50+7.23) and the compound having a particle size distribution having a span S≤1.8 with S=(D90−D10)/D50; or 1≤TD≤(2.78*D50)/(D50+7.50).
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95.
公开(公告)号:US09954226B2
公开(公告)日:2018-04-24
申请号:US15317162
申请日:2015-05-29
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Liang Zhu , Randy DePalma , Hyo Sun Ahn
CPC classification number: H01M4/505 , C01G53/006 , C01G53/44 , C01P2002/54 , C01P2004/51 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01B1/08 , H01M4/525 , H01M10/052 , H01M10/0525 , H01M2004/028
Abstract: A particulate precursor compound for manufacturing a lithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, wherein (M) is NixMnyCozAv, A being a dopant, wherein 0.33≤x≤0.60, 0.20≤y≤0.33, and 0.20≤z≤0.33, v≤0.05, and x+y+z+v=1, the precursor having a specific surface area PBET in m2/g, a tapped density PTD in g/cm3, a median particle size PD50 in μm, and wherein (I). PBET PTD * PD 50 ≥ 0.021 ( 0.1566 * x ) - 0.0466 ( I )
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96.
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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公开(公告)号:US09859550B2
公开(公告)日:2018-01-02
申请号:US14650972
申请日:2013-11-12
Applicant: UMICORE , UMICORE KOREA LTD.
Inventor: Maxime Blangero , KyuBo Kim , Da-In Choi
CPC classification number: H01M4/131 , C01G51/42 , C01P2002/72 , C01P2004/51 , C01P2004/53 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/366 , H01M4/485 , H01M4/525 , H01M10/052 , H01M2004/028 , H01M2220/30
Abstract: A lithium metal oxide powder for use as a cathode material in a rechargeable battery, consisting of a core material and a surface layer, the core having a layered crystal structure consisting of the elements Li, a metal M and oxygen, wherein the Li to M molar ratio is between 0.98 and 1.01, and preferably between 0.99 and 1.00, wherein the metal M has the formula M=Co1-aM′a, with 0≦a≦0.05, wherein M′ is either one or more metals of the group consisting of Al, Ga and B; and the surface layer consisting of a mixture of the elements of the core material and inorganic N- and N′-based oxides, wherein N is either one or more metals of the group consisting of Mg, Ti, Fe, Cu, Ca, Ba, Sn, Sb, Na, Zn, and Si; and wherein N′ is either one or more metals of the group consisting of Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Cd, Sc, Ce, Pr, Nd, Gd, Dy, and Er.
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公开(公告)号:US20170225952A1
公开(公告)日:2017-08-10
申请号:US15503123
申请日:2014-08-13
Applicant: Umicore , Umicore Korea Ltd.
Inventor: DaeHyun KIM , Jens PAULSEN , Jing ZHANG
CPC classification number: C01B25/45 , H01M4/5825 , H01M10/052 , H01M2004/028
Abstract: 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
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99.
公开(公告)号:US20160218356A1
公开(公告)日:2016-07-28
申请号:US15021095
申请日:2014-08-22
Applicant: UMICORE , UMICORE KOREA LTD.
Inventor: Jens PAULSEN , HeonPyo HONG , Hyo Sun AHN
IPC: H01M4/36 , H01M4/525 , H01M4/1315 , H01M4/505 , H01M10/0525 , H01M4/62
CPC classification number: H01M4/366 , B60L50/64 , B60L58/12 , B60L58/40 , B60L2240/36 , B60L2240/545 , C01G53/50 , C01P2004/03 , C01P2004/50 , C01P2004/62 , C01P2004/80 , C01P2006/40 , H01M4/131 , H01M4/1315 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M4/623 , H01M10/0525 , H01M2004/021 , H01M2004/028 , H01M2220/20 , Y02T10/7011 , Y02T10/7044 , Y02T10/705 , Y02T90/34
Abstract: A water-based lithium ion battery cathode slurry comprising a cathode active material comprising a lithium transition metal oxide powder wherein the lithium transition metal oxide powder consists of agglomerates of primary particles, the primary particles comprising a coating layer comprising a polymer is proposed. The polymer is preferably a fluorine-containing polymer comprising at least 50 wt % of fluorine. The coating layer preferably comprises a first inner and a second outer coating layer, the flourine-containing polymer and the surface of the primary particles. The reaction product preferably comprises LiF.
Abstract translation: 一种水性锂离子电池阴极浆料,其包含包含锂过渡金属氧化物粉末的正极活性材料,其中所述锂过渡金属氧化物粉末由初级颗粒的附聚物组成,所述初级颗粒包含包含聚合物的涂层。 聚合物优选为包含至少50重量%的氟的含氟聚合物。 涂层优选包括第一内层和第二外涂层,含有含氟聚合物和初级颗粒的表面。 反应产物优选包含LiF。
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公开(公告)号:US20160006035A1
公开(公告)日:2016-01-07
申请号:US14771237
申请日:2013-03-08
Applicant: UMICORE , UMICORE KOREA LTD.
Inventor: DaeHyun KIM , Jens PAULSEN , HeonPyo HONG
IPC: H01M4/58
CPC classification number: H01M4/5825 , C01B25/45 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: The invention discloses an olivine cathode material comprising Li, M and PO 4, having a non-stoichiometric composition wherein: —the phosphor stoichiometry PO 4:[(Li+M)/2] is between 0.940 and 1.020, —the lithium to metal ratio Li:M is between 1.040 and 1.150, and wherein M=Fe−x−z′ Mn x D z′, with 0.10 0, D being a dopant comprising either one or both of Cr and Mg. In one embodiment PO 4:[(Li+M)/2] is between 0.960 and 1.000, resulting in an even better performing material. Performance is improved even more in another embodiment wherein PO 4:[(Li+M)/2] is less than 1.000. Improvements in performance are also obtained for either an embodiment wherein the lithium to metal ratio Li:M is between 1.070 and 1.120; or an embodiment wherein the manganese to iron ratio Mn/(Mn+Fe) is between 0.25 and 0.75; or for another embodiment wherein z′
Abstract translation: 本发明公开了一种包含Li,M和PO 4的橄榄石阴极材料,具有非化学计量组成,其中: - 化学计量PO 4:[(Li + M)/ 2]在0.940和1.020之间,锂与金属 比例Li:M在1.040和1.150之间,其中M = Fe-x-z'Mn x D z',其中0.10
0,D是包含Cr和 镁 在一个实施方案中,PO 4:[(Li + M)/ 2]在0.960和1.000之间,导致更好的材料。 在PO 4:[(Li + M)/ 2]小于1.000的另一个实施方案中,性能得到改善。 对于其中锂与金属之比Li:M在1.070和1.120之间的实施例,也可获得性能的改进; 或其中锰与铁的比例Mn /(Mn + Fe)为0.25至0.75的实施方案; 或者z'<0.05的另一个实施方案。
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