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公开(公告)号:US20200006771A1
公开(公告)日:2020-01-02
申请号:US16568647
申请日:2019-09-12
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Dae-Hyun KIM , Jens PAULSEN , JinDoo OH , Maxime BLANGERO
IPC: H01M4/525 , H01M10/0525
Abstract: A cobalt based hydroxide carbonate precursor compound of a lithium cobalt based oxide, which is usable as an active positive electrode material in lithium ion batteries is described. The compound comprises a doped malachite-rosasite mineral structure and has a general formula [Co1-aAa]2(OH)2CO3, wherein A is one or more of Ni, Mn, Al, Ti, Zr and Mg, with a≤0.05.
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公开(公告)号:US20200024153A1
公开(公告)日:2020-01-23
申请号:US16488717
申请日:2018-02-07
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Dae-Hyun KIM , Jens PAULSEN , JinDoo OH , Maxime BLANGERO
Abstract: A method for manufacturing a cobalt based hydroxide carbonate compound having a malachite-rosasite mineral structure, comprising the steps of: —providing an first aqueous solution comprising a source of Co, —providing a second aqueous solution comprising Na2CO3, —mixing both solutions in a precipitation reactor at a temperature above 70° C., thereby precipitating a cobalt based hydroxide carbonate compound whilst evacuating from the reactor any CO2 formed by the precipitation reaction, wherein the residence time of the compound in the reactor is between 1 and 4 hours, and—recovering the cobalt based hydroxide carbonate compound. The cobalt based hydroxide carbonate compound is used as a precursor of a lithium cobalt based oxide usable as an active positive electrode material in lithium ion batteries.
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3.
公开(公告)号:US20170309894A1
公开(公告)日:2017-10-26
申请号:US15517276
申请日:2015-09-30
Applicant: Umicore , Umicore Korea LTD
Inventor: Jin HU , HeonPyo HONG , Jens PAULSEN , JinDoo OH , Daniël NELIS , Eric ROBERT
IPC: H01M4/1391 , H01M4/04 , H01M4/505 , H01M10/052 , H01M4/525
CPC classification number: H01M4/1391 , C01G53/006 , C01G53/44 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2004/32 , C01P2004/51 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/0471 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , Y02T10/7011
Abstract: A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0, 0≦z≦0.35, 0≦n≦0.02 and x+y+z+n=1, the method comprising the steps of: —providing a feed solution comprising Ni-, Mn-, Co- and A-ions, and having a molar metal content M″ feed, —providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na- and K-ions, —providing a slurry comprising seeds comprising M′-ions and having a molar metal content M′ seeds, wherein M′=Nix′Mny′Coz′A′n′, A′ being a dopant, with 0≦x′≦1, 0≦y′≦1, 0≦z′≦1, 0≦n′≦1 and x′+y′+z′+n′=1, and wherein the molar ratio M′ seeds/M″ feed is between 0.001 and 0.1, —mixing the feed solution, the ionic solution and the slurry in the reactor, thereby obtaining a reactive liquid mixture, —precipitating a carbonate onto the seeds in the reactive liquid mixture, thereby obtaining a reacted liquid mixture and the M-carbonate precursor, and —separating the M-carbonate precursor from the reacted liquid mixture.
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公开(公告)号:US20200017370A1
公开(公告)日:2020-01-16
申请号:US16568756
申请日:2019-09-12
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Dae-Hyun KIM , Jens PAULSEN , JinDoo OH , Maxime BLANGERO
IPC: C01G51/00 , H01M4/525 , H01M10/0525
Abstract: A method for manufacturing a cobalt based hydroxide carbonate compound having a malachite-rosasite mineral structure, comprising the steps of: providing an first aqueous solution comprising a source of Co, providing a second aqueous solution comprising Na2CO3, mixing both solutions in a precipitation reactor at a temperature above 70° C., thereby precipitating a cobalt based hydroxide carbonate compound whilst evacuating from the reactor any CO2 formed by the precipitation reaction, wherein the residence time of the compound in the reactor is between 1 and 4 hours, and recovering the cobalt based hydroxide carbonate compound. The cobalt based hydroxide carbonate compound is used as a precursor of a lithium cobalt based oxide usable as an active positive electrode material in lithium ion batteries.
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5.
公开(公告)号:US20170309909A1
公开(公告)日:2017-10-26
申请号:US15517273
申请日:2015-09-30
Applicant: Umicore , Umicore Korea Ltd.
Inventor: Jens PAULSEN , HeonPyo HONG , JinDoo OH
IPC: H01M4/505 , H01M4/525 , C01G53/06 , H01M10/0525 , H01M4/02
CPC classification number: H01M4/505 , C01G53/006 , C01G53/06 , C01G53/50 , C01P2002/50 , C01P2002/72 , C01P2004/03 , C01P2004/51 , C01P2006/11 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/525 , H01M10/0525 , H01M2004/028
Abstract: A carbonate precursor compound for manufacturing a lithium metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, M comprising 20 to 90 mol % Ni, 10 to 70 mol % Mn and 10 to 40 mol % Co, the precursor further comprising a sodium and sulfur impurity, wherein the sodium to sulfur molar ratio (Na/S) is 0.4
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6.
公开(公告)号:US20240300824A1
公开(公告)日:2024-09-12
申请号:US18277543
申请日:2022-02-24
Applicant: UMICORE
Inventor: Jens Martin PAULSEN , Shinichi KUMAKURA , TaeHyeon YANG , HyeJeong YANG , JiHoon KANG , JinDoo OH , JooEun HYOUNG
IPC: C01G53/00
CPC classification number: C01G53/50 , C01P2002/85 , C01P2004/03 , C01P2004/51 , C01P2004/62 , C01P2006/40 , C01P2006/80
Abstract: Positive electrode active material for solid-state batteries, comprising Li, M′, and oxygen, wherein M′ comprises:
Ni in a content x between 70.0 mol % and 95.0 mol %,
Co in a content y between 0.0 mol % and 40.0 mol %,
Mn in a content z between 0.0 mol % and 40.0 mol %,
dopants in a content a between 0.0 mol % and 2.0 mol %,
Zr in a content b between 0.1 mol % and 5.0 mol %,
wherein x+y+z+a+b is 100.0 mol %,
wherein
Zr
A
=
b
(
x
+
y
+
z
+
b
)
,
wherein the positive electrode active material has a Zr content ZrB is expressed as molar fraction compared to the sum of molar fractions of Co, Mn, Ni, and Zr all as measured by XPS analysis,
wherein ZrB/ZrA>50.0,
the positive electrode active material comprising secondary particles having a plurality of primary particles,
said primary particles having an average diameter of at least 250 nm.-
7.
公开(公告)号:US20240132373A1
公开(公告)日:2024-04-25
申请号:US18277393
申请日:2022-02-24
Applicant: UMICORE
Inventor: Jens Martin PAULSEN , Shinichi KUMAKURA , TaeHyeon YANG , HyeJeong YANG , JiHoon KANG , JinDoo OH , JooEun HYOUNG
IPC: C01G53/00 , H01M10/0562
CPC classification number: C01G53/44 , H01M10/0562 , C01P2002/85 , C01P2004/03 , C01P2004/04 , C01P2004/51 , C01P2004/61 , C01P2004/62 , H01M2220/20 , H01M2300/0068
Abstract: Positive electrode active material for solid-state batteries, comprising Li, M′, and oxygen, wherein M′ comprises:
Ni in a content x between 50.0 mol % and 75.0 mol %,
Co in a content y between 0.0 mol % and 40.0 mol %,
Mn in a content z between 0.0 mol % and 40.0 mol %,
dopants in a content a between 0.0 mol % and 2.0 mol %,
Zr in a content b between 0.1 mol % and 5.0 mol %,
wherein x+y+z+a+b is 100.0 mol %,
wherein
Zr
A
=
b
(
x
+
y
+
z
+
b
)
,
wherein the positive electrode active material has a Zr content ZrB is expressed as molar fraction compared to the sum of molar fractions of Co, Mn, Ni, and Zr all as measured by XPS analysis,
wherein ZrB/ZrA>50.0,
the positive electrode active material comprising secondary particles having a plurality of primary particles
said primary particles having an average diameter between 170 nm and 340 nm.-
8.
公开(公告)号:US20240132374A1
公开(公告)日:2024-04-25
申请号:US18277484
申请日:2022-02-24
Applicant: UMICORE
Inventor: Jens Martin PAULSEN , Shinichi KUMAKURA , TaeHyeon YANG , HyeJeong YANG , JiHoon KANG , JinDoo OH , JooEun HYOUNG
IPC: C01G53/00 , H01M10/0562
CPC classification number: C01G53/44 , H01M10/0562 , C01P2002/85 , C01P2004/03 , C01P2004/04 , C01P2004/51 , C01P2004/61 , C01P2004/62 , H01M2220/20 , H01M2300/0068
Abstract: Positive electrode active material for solid-state batteries, comprising Li, M′, and oxygen, wherein M′ comprises:
Ni in a content x between 50.0 mol % and 85.0 mol %,
Co in a content y between 0.0 mol % and 40.0 mol %,
Mn in a content z between 0.0 mol % and 40.0 mol %,
dopants in a content a between 0.0 mol % and 2.0 mol %,
Zr in a content b between 0.1 mol % and 5.0 mol %,
wherein x+y+z+a+b is 100.0 mol %,
wherein
Zr
A
=
b
(
x
+
y
+
z
+
b
)
,
wherein the positive electrode active material has a Zr content ZrB is expressed as molar fraction compared to the sum of molar fractions of Co, Mn, Ni, and Zr all as measured by XPS analysis,
wherein ZrB/ZrA>50.0,
the positive electrode active material comprising secondary particles having a plurality of primary particles
said primary particles having an average diameter between 170 nm and 340 nm.
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