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公开(公告)号:US11283074B2
公开(公告)日:2022-03-22
申请号:US16652188
申请日:2018-09-18
IPC分类号: H01M4/525 , H01M4/505 , C01G53/00 , H01M4/62 , C09J7/29 , C09J7/40 , C09J121/00 , C09J133/08
摘要: The present invention is related to an electrode active material for a lithium-ion battery of general formula (I): Li1+x(NiaCobMncMd)1−xO2 wherein x is in the range of from zero to 0.1, a is in the range of from 0.1 to 0.5, b is in the range of from 0.4 to 0.9, c is in the range of from zero to 0.3, d is in the range of from zero to 0.1, M is selected from Al, B, Mg, W, Mo, Ti, Si and Zr, with a+b+c+d=1 and a>c. In addition, the present invention is related to a method of manufacture of electrode active materials and to their use.
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公开(公告)号:US10526212B2
公开(公告)日:2020-01-07
申请号:US15524898
申请日:2015-10-30
申请人: BASF SE
摘要: A process is described for producing mixed oxide in particulate form, comprising cations of lithium and cations of at least two transition metals selected from the group consisting of nickel, cobalt, manganese, titanium, vanadium, chromium and iron, as are mixed oxides produced by this process.
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公开(公告)号:US10707486B2
公开(公告)日:2020-07-07
申请号:US15751308
申请日:2016-08-10
申请人: BASF SE
IPC分类号: H01M4/52 , H01M4/525 , C01G53/00 , H01M4/505 , H01M4/131 , C01G53/04 , H01M10/0525 , H01M10/0567 , H01M10/42 , H01M10/052 , H01M4/02
摘要: The present invention is directed towards a process for making a particulate material according to the general formula (I): NiaCObMncMd(O)x(OH)y, wherein M is selected from Al and Ti, x is in the range of from 0.01 to 0.9, y is in the range of from 1.1 to 1.99, a is in the range of from 0.3 to 0.85, b is in the range of from 0.05 to 0.4, c is in the range of from 0.1 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) providing an aqueous slurry of particles of aluminum hydroxide or titanium dioxide, (b) adding an aqueous solution of water-soluble salts of nickel, cobalt and manganese and a solution of alkali metal hydroxide to the slurry according to step (a), thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese hydroxide on the particles according to step (a), (c) removing particles of (NiaCObMncAld)(OH)2+d or (NiaCObMncTid)(OH)2+2d so obtained and drying them in the presence of oxygen.
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公开(公告)号:US10468678B2
公开(公告)日:2019-11-05
申请号:US15318887
申请日:2015-06-19
申请人: BASF SE
发明人: Aleksei Volkov , Jordan Lampert , Thomas Michael Ryll , Ji-Yong Shin , Markus Hoelzle , Michael Eder
IPC分类号: H01M4/02 , H01M4/525 , H01M10/0567 , H01M10/42 , C01G53/00 , H01M4/505 , H01M10/0525
摘要: Process for making a particulate material of general formula (I), wherein the integers are defined as follows: M is selected from Al and Ti, x is in the range of from 0.015 to 0.03, a is in the range of from 0.3 to 0.6, b is in the range of from 0.05 to 0.35, c is in the range of from 0.2 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) co-precipitating a mixed hydroxide of nickel, cobalt and manganese from a solution of water-soluble salts of nickel, cobalt and manganese by contacting such solution with a solution of alkali metal hydroxide, (b) adding an aqueous solution of an aluminate or titanate and thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese and aluminum or titanium on the particles formed in step (a), (c) removing particles of (Nia Cob Mnc Ald)(OH)2+d or (Nia Cob Mnc Tid)(OH)2+2d so obtained and drying them in the presence of oxygen, (d) mixing the particles obtained in step (c) with at least one Li compound selected from Li2O, LiOH and Li2CO3, (e) calcining the mixture obtained according to step (d) at a temperature in the range of from 920 to 950° C.
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公开(公告)号:US11165063B2
公开(公告)日:2021-11-02
申请号:US16509749
申请日:2019-07-12
申请人: BASF SE
发明人: Aleksei Volkov , Jordan Lampert , Thomas Michael Ryll , Ji-Yong Shin , Markus Hoelzle , Michael Eder
IPC分类号: H01M4/02 , H01M4/525 , H01M10/0567 , H01M10/42 , C01G53/00 , H01M4/131 , H01M4/505 , H01M10/0525 , H01M10/052
摘要: Process for making a particulate material of general formula (I), Li1+x(NiaCobMncMd)1−xO2 (I) wherein the integers are defined as follows: M is selected from Al and Ti, x is in the range of from 0.015 to 0.03, a is in the range of from 0.3 to 0.6, b is in the range of from 0.05 to 0.35, c is in the range of from 0.2 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) co-precipitating a mixed hydroxide of nickel, cobalt and manganese from a solution of water-soluble salts of nickel, cobalt and manganese by contacting such solution with a solution of alkali metal hydroxide, (b) adding an aqueous solution of an aluminate or titanate and thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese and aluminium or titanium on the particles formed in step (a), (c) removing particles of (NiaCobMncAld)(OH)2+d or (NiaCobMncTid)(OH)2+2d so obtained and drying them in the presence of oxygen, (d) mixing the particles obtained in step (c) with at least one Li compound selected from Li2O, LiOH and Li2CO3, (e) calcining the mixture obtained according to step (d) at a temperature in the range of from 920 to 950° C.
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