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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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12.发明申请公开(公告)号：US20160365571A1
公开(公告)日：2016-12-15
申请号：US15121439
申请日：2015-02-25
Applicant: UMICORE , UMICORE KOREA LTD.
Inventor： Dae-Hyun KIM , Jens PAULSEN
IPC: H01M4/36 , H01M4/525 , H01M4/505 , H01M10/0525
CPC classification number: H01M4/366 , H01B1/06 , H01B1/08 , H01M4/131 , H01M4/364 , H01M4/505 , H01M4/525 , H01M4/62 , H01M10/052 , H01M10/0525 , H01M2004/028
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 N 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 LiNaSO4 secondary phase. The Li metal oxide may have the general formula Li1+a′M1−aO2, with a′
Abstract translation: 一种制备可再充电锂电池正极材料的方法，包括以下步骤：提供Li金属（M）氧化物电活性材料，提供无机氧化化合物，提供作为Li-受体的化学物质，将Li 氧化金属（M），氧化性化合物和Li-受体，并在200〜800℃的N温度下在含氧气氛中加热该混合物。 在一个实施方案中，正电极材料包含Li金属（M）氧化物电活性材料和0.15至5重量％的LiNaSO 4次相。 Li金属氧化物可具有通式为Li1 + a'M1-aO2，具有'
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13.发明申请公开(公告)号：US20160013470A1
公开(公告)日：2016-01-14
申请号：US14770536
申请日：2014-02-24
Applicant: UMICORE , UMICORE KOREA LTD. , TOKYO UNIVERSITY OF SCIENCE FOUNDATION
Inventor： Jens PAULSEN , Shinichi KOMABA , Ryo HARA , Naoaki YABUUCHI , Masataka KAJIYAMA
CPC classification number: H01M4/131 , C01G45/1228 , C01P2002/50 , C01P2002/52 , C01P2002/72 , C01P2002/76 , C01P2004/61 , H01M4/0445 , H01M4/505 , H01M4/525 , H01M10/054 , H01M2004/021 , H01M2004/028
Abstract: A sodium transition metal cathode material for a rechargeable sodium battery having a P2 layered bronze crystal structure, comprising at least 55 mol % manganese, wherein the manganese valence state is at least 3.75. The material undergoes a structural transformation to a secondary cathode material by extraction of sodium during the 1st charge of a rechargeable sodium battery comprising the sodium cathode material. The material has either a composition NaxMO2 where M=Mn1-y-zLiyAz where z
Abstract translation: 一种具有P2层青铜晶体结构的可再充电钠电池用钠过渡金属阴极材料，其包含至少55mol％的锰，其中锰价态至少为3.75。 在包含钠阴极材料的可再充电钠电池的第一次充电期间，材料通过提取钠而进行到次级正极材料的结构转化。 该材料具有组成NaxMO2，其中M = Mn1-y-zLiyAz其中z <0.2和y <0.33和0.66
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公开(公告)号：US20220271274A1
公开(公告)日：2022-08-25
申请号：US17623688
申请日：2020-07-02
Applicant: UMICORE , UMICORE KOREA LTD.
Inventor： Shinichi KUMAKURA , TaeHyeon YANG , Jens PAULSEN , Maxime BLANGERO , Elsye AGUSTINA
IPC: H01M4/36 , H01M4/04 , H01M4/525 , H01M4/505 , H01M10/0525
Abstract: A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles comprising a core and a surface layer, said surface layer being on top of said core, said particles comprising the elements: Li, a metal M′ and oxygen, wherein the metal M′ has a formula: M′(NizMnyCox)1−kAk, wherein A is a dopant, 0.55≤z≤0.89, 0.05≤y≤0.25, 0.05≤x≤0.25, x+y+z+k=1, and k≤0.01, said positive electrode active material powder having a mean particle size D50 ranging from 3 μm to 15 μm and a surface layer thickness ranging from 5 nm to 200 nm. The surface layer comprises aluminum in a content superior or equal to 0.04 wt % and inferior or equal to 0.15 wt % relative to the total weight of the positive electrode active material.
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公开(公告)号：US20210075014A1
公开(公告)日：2021-03-11
申请号：US17041266
申请日：2019-03-06
Applicant: UMICORE , UMICORE KOREA LTD.
Inventor： JiHye KIM , Jens PAULSEN , AReum PARK , Hee-Sung GIL
IPC: H01M4/525 , H01M10/0525 , H01M4/505 , H01M4/133 , H01M4/04
Abstract: A powderous positive electrode material for lithium ion batteries, comprising crystalline lithium transition metal-based oxide particles having a general formula Li1+a ((Niz (Ni0.5Mn0.5)y Cox)1−k Ak)1−a O2, wherein A is a dopant, −0.030≤a≤0.025, 0.10≤x≤0.40, 0.25≤z≤0.52, x+y+z=1 and k≤0.01, wherein the crystalline powder has a crystallite size less than 33 nm as determined by the Scherrer equation based on the peak of the (104) plane obtained from the X-ray diffraction pattern using a Cu K α radiation source, and wherein the molar ratio MR(Ni) of Ni versus the total transition metal content in a cross section of a particle is higher in the surface area than in the center area of the particle, as determined by EDS analysis.
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Patent Agency Ranking
公开(公告)号：US20210005877A1
公开(公告)日：2021-01-07
申请号：US16976884
申请日：2019-02-25
Applicant: UMICORE , UMICORE KOREA LTD.
Inventor： Dae-Hyun KIM , Jens PAULSEN , Shinichi KUMAKURA , YuRi LEE , Liang ZHU , TaeHyeon YANG
Abstract: A bimodal lithium transition metal oxide based powder mixture comprising a first and a second lithium transition metal oxide based powder. The first powder comprises a material A having a layered crystal structure comprising the elements Li, a transition metal based composition M and oxygen and has a particle size distribution with a span
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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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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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19.发明申请公开(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：US20150311524A1
公开(公告)日：2015-10-29
申请号：US14650979
申请日：2013-11-27
Applicant: UMICORE , UMICORE KOREA LTD.
Inventor： Jens PAULSEN , HyeYun YANG
CPC classification number: H01M4/525 , H01M4/02 , H01M4/131 , H01M4/366 , H01M4/505 , H01M2004/021 , H01M2004/028
Abstract: A positive electrode for a rechargeable battery comprising at least 95% active cathode material with an electrode loading of at least 6 mg/cm2, and preferably at least 10 mg/cm2, and an electrode porosity of less than 2%, and preferably less than 1%. The active cathode material may comprise a bimodal composition wherein at least 70% consists of a first lithium cobalt based oxide powder having an average particle size (D50) of at least 25 μm and a BET value
Abstract translation: 一种用于可再充电电池的正电极，包括至少95％的活性阴极材料，电极负载量至少为6mg / cm 2，优选为至少10mg / cm 2，电极孔隙率小于2％，优选小于 1％。 活性阴极材料可以包括双峰组合物，其中至少70％由平均粒径（D50）至少为25μm，BET值<0.2m 2 / g的第一种锂钴氧化物粉末和第二种锂 具有式Li1 + bN1-bO2的过渡金属氧化物基粉末，其中0.10和nlE; b＆nlE; 0.25和N = NixMnyCo2Ad，其中0.10和nlE; x和nlE; 0.40,0.30和nlE; y和nlE; 0.80,0
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