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8 条记录 (耗时 0.016 秒)

    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL
    1.
    发明申请
    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL 审中-公开

    公开(公告)号：US20200161652A1

    公开(公告)日：2020-05-21

    申请号：US16627884

    申请日：2018-07-05

    申请人： BASF SE

    发明人： Christoph ERK ,  Thomas Michael RYLL ,  Aleksei VOLKOV ,  Brandon Ray LONG ,  Jacob HAAG

    IPC分类号： H01M4/525 ,  H01M4/505 ,  H01M10/052 ,  C01G53/00

    摘要： Process for making an electrode active material according to general formula Li1+χTM1−χO2, wherein TM is a combination of Mn, Co and Ni in combination with at least one more metal selected from Al, Ti, and W, wherein at least 60 mole-% of TM is Ni, the percentage referring to the sum of Ni, Co and Mn, and x is in the range of from zero to 0.2, said process comprising the following steps: (a) mixing (A) a mixed oxide or oxyhydroxide of Mn, Co and Ni, (B) at least one lithium compound selected from lithium hydroxide, lithium oxide and lithium carbonate, and (C) an oxide, hydroxide or oxyhydroxide of Al, Ti or W, (b) Subjecting said mixture to heat treatment at a temperature in the range of from 700 to 1000° C.

    PROCESS FOR MAKING A CATHODE ACTIVE MATERIAL AND A PRECURSOR THEREFORE, CATHODE ACTIVE MATERIAL AND ITS USE
    3.
    发明申请
    PROCESS FOR MAKING A CATHODE ACTIVE MATERIAL AND A PRECURSOR THEREFORE, CATHODE ACTIVE MATERIAL AND ITS USE 审中-公开

    公开(公告)号：US20180358615A1

    公开(公告)日：2018-12-13

    申请号：US15751308

    申请日：2016-08-10

    申请人： BASF SE

    发明人： Simon SCHROEDLE ,  Thomas Michael RYLL ,  Aleksei VOLKOV ,  Ji-Yong SHIN ,  Jordan K. LAMPERT

    IPC分类号： H01M4/525 ,  H01M10/0525 ,  H01M4/505 ,  C01G53/00 ,  C01G53/04

    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.

    PROCESS FOR MAKING CATHODE MATERIALS FOR LITHIUM ION BATTERIES
    7.
    发明申请
    PROCESS FOR MAKING CATHODE MATERIALS FOR LITHIUM ION BATTERIES 审中-公开

    公开(公告)号：US20190386305A1

    公开(公告)日：2019-12-19

    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： H01M4/525 ,  H01M10/0567 ,  H01M10/42 ,  C01G53/00 ,  H01M4/505 ,  H01M10/0525

    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.