PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL

    公开(公告)号:US20200161652A1

    公开(公告)日:2020-05-21

    申请号:US16627884

    申请日:2018-07-05

    Applicant: BASF SE

    Abstract: 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.

    ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES
    2.
    发明申请
    ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES 有权
    锂离子电池用电极材料

    公开(公告)号:US20160006023A1

    公开(公告)日:2016-01-07

    申请号:US14770147

    申请日:2014-06-30

    Applicant: BASF SE

    Abstract: Electrode materials comprising (a) at least one component of general formula (I) Li(1+x)[NiaCObMncM1d](1−x)O2 (I) the integers being defined as follows: x is in the range of from 0.01 to 0.05, a is in the range of from 0.3 to 0.6, b is in the range of from zero to 0.35, c is in the range of from 0.2 to 0.6, d is in the range of from zero to 0.05, a+b+c+d=1 M1 is at least one metal selected from Ca, Zn, Fe, Ti, Ba, Al, (b) at least one component of general formula (II) LiFe(1−y)M2yPO4.m lithium phosphate (II) y is in the range of from zero to 0.8 M2 is at least one element selected from Co, Mn, Ni, V, Mg, Nd, Zn, and Y, m is selected from 0.01 to 0.15 (c) carbon in electrically conductive modification.

    Abstract translation: 包含(a)至少一种通式(I)Li(1 + x)[NiaCObMncM1d](1-x)O 2(I)的组分的电极材料,整数定义如下:x在0.01至 0.05,a在0.3〜0.6的范围内,b在0〜0.35的范围内,c在0.2〜0.6的范围内,d在0〜0.05的范围内,a + b + c + d = 1 M 1是选自Ca,Zn,Fe,Ti,Ba,Al中的至少一种金属,(b)通式(II)的至少一种成分LiFe(1-y)M2yPO4.m磷酸锂 II)y在0至0.8的范围内M2是选自Co,Mn,Ni,V,Mg,Nd,Zn和Y中的至少一种元素,m选自0.01至0.15(c)碳,电 导电改性。

    ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES
    5.
    发明申请
    ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES 审中-公开
    锂离子电池用电极材料

    公开(公告)号:US20160233488A1

    公开(公告)日:2016-08-11

    申请号:US15023046

    申请日:2014-09-16

    Applicant: BASF SE

    Abstract: Electrode materials comprising (a) at least one compound of general formula (I) Li(1+x)[NiaCObMncM1d](1-x)O2 (I) the integers being defined as follows: x is in the range of from 0.01 to 0.05, a is in the range of from 0.3 to 0.6, b is in the range of from zero to 0.35, c is in the range of from 0.2 to 0.6, d is in the range of from zero to 0.05, a+b+c+d=1 M1 is at least one metal selected from Ca, Zn, Fe, Ti, Ba, Al, (b) at least one compound of general formula (II) LiFe(1-x)M2yPO4 (II) y is in the range of from zero to 0.8 M2 is at least one element selected from Ti, Co, Mn, Ni, V, Mg, Nd, Zn and Y, that contains at least one further iron-phosphorous compound, in form of a solid solution in compound (b) or in domains, (c) carbon in electrically conductive modification.

    Abstract translation: 包括(a)至少一种通式(I)的化合物Li(1 + x)[NiaCObMncM1d](1-x)O 2(I))的电极材料,整数定义如下:x在0.01至 0.05时,a在0.3〜0.6的范围内,b在0〜0.35的范围内,c在0.2〜0.6的范围内,d在0〜0.05的范围内,a + b + c + d = 1 M1是选自Ca,Zn,Fe,Ti,Ba,Al中的至少一种金属,(b)至少一种通式(II)的化合物LiFe(1-x)M2yPO4(II)y是 在0至0.8的范围内,M2是选自Ti,Co,Mn,Ni,V,Mg,Nd,Zn和Y中的至少一种元素,其含有至少一种另外的铁 - 磷化合物,其形式为固体 化合物(b)或结构域中的溶液,(c)导电改性中的碳。

    PROCESS FOR MAKING A CATHODE ACTIVE MATERIAL AND A PRECURSOR THEREFORE, CATHODE ACTIVE MATERIAL AND ITS USE

    公开(公告)号:US20180358615A1

    公开(公告)日:2018-12-13

    申请号:US15751308

    申请日:2016-08-10

    Applicant: BASF SE

    Abstract: 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 LITHIATED TRANSITION METAL OXIDES

    公开(公告)号:US20170338469A1

    公开(公告)日:2017-11-23

    申请号:US15528786

    申请日:2015-11-18

    Applicant: BASF SE

    Abstract: The present invention is directed towards a process for making a lithiated transition metal oxide, said process comprising the following steps: (a) providing a precursor selected from mixed oxides, hydroxides, oxyhydroxides, and carbonates of nickel and at least one transition metal selected from manganese and cobalt, wherein at least 45 mole-% of the cations of the precursor are Ni cations, (b) mixing said precursor with at least one lithium salt selected from LiOH, Li2O, Li2CO3, and LiNO3, thereby obtaining a mixture, (c) adding at least one phosphorus compound of general formula (I) XyH3−yPO4 (I) wherein X is selected from NH4 and Li, y is 1 or 2, to the mixture obtained in step (b), wherein steps (b) and (c) may be performed consecutively or simultaneously, treating the mixture so obtained at a temperature in the range of from 650 to 950° C.

    PROCESS FOR MAKING CATHODE MATERIALS FOR LITHIUM ION BATTERIES

    公开(公告)号:US20190386305A1

    公开(公告)日:2019-12-19

    申请号:US16509749

    申请日:2019-07-12

    Applicant: BASF SE

    Abstract: 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.

    SPHERICAL PARTICLES, PRODUCTION THEREOF AND USE
    10.
    发明申请
    SPHERICAL PARTICLES, PRODUCTION THEREOF AND USE 审中-公开
    球形颗粒,其生产和使用

    公开(公告)号:US20160126548A1

    公开(公告)日:2016-05-05

    申请号:US14889577

    申请日:2014-04-30

    Applicant: BASF SE

    Abstract: Spherical particles comprising a lithiated mixed transition metal oxide comprising nickel, cobalt and manganese and optionally at least one further transition metal, each in cationic form, wherein the carbonate content, calculated as Li2CO3, is in the range from 0.01 to 0.3% by weight, based on overall particles, and the proportion of nickel, plotted against the radius of the particles in question, in the outer region of the particles is at least 10 mol % below the proportion in the core, and the manganese content, plotted against the radius of the particles in question, in the outer region of the particles is at least 10 mol % above the proportion in the core, and where mol % are based on the total transition metal content.

    Abstract translation: 包含镍,钴和锰的锂化混合过渡金属氧化物和任选至少一种阳离子形式的另外的过渡金属的球形颗粒,其中以Li 2 CO 3计算的碳酸盐含量为0.01至0.3重量% 基于总体颗粒,并且在颗粒的外部区域中相对于所述颗粒的半径绘制的镍的比例比芯中的比例低至少10摩尔%,并且锰含量相对于半径 的颗粒的外部区域比核心中的比例高至少10摩尔%,其中摩尔%基于总过渡金属含量。

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