SPHERICAL PARTICLES, PRODUCTION THEREOF AND USE
    2.
    发明申请
    SPHERICAL PARTICLES, PRODUCTION THEREOF AND USE 有权
    球形颗粒,其生产和使用

    公开(公告)号:US20160093881A1

    公开(公告)日:2016-03-31

    申请号:US14889602

    申请日:2014-04-28

    Applicant: BASF SE

    Abstract: Spherical particles comprising (A) at least one mixed transition metal hydroxide or mixed transition metal carbonate of at least 3 different transition metals selected from nickel, cobalt, manganese, iron, chromium and vanadium, (B) at least one fluoride, oxide or hydroxide of Ba, Al, Zr or Ti, where the transition metals in transition metal hydroxide (A) or transition metal carbonate (A) are predominantly in the +2 oxidation state, where fluoride (B) or oxide (B) or hydroxide (B) is present to an extent of at least 75% in an outer shell of the spherical particles in the form of domains and is encased to an extent of at least 90% by transition metal hydroxide (A) or transition metal carbonate (A).

    Abstract translation: 包含(A)至少一种选自镍,钴,锰,铁,铬和钒的至少3种不同过渡金属的混合过渡金属氢氧化物或混合过渡金属碳酸盐的球形颗粒,(B)至少一种氟化物,氧化物或氢氧化物 的过渡金属氢氧化物(A)或过渡金属碳酸盐(A)中的过渡金属主要处于+2氧化态的Ba,Al,Zr或Ti,其中氟(B)或氧化物(B)或氢氧化物 )在球形颗粒形式的外壳中存在至少75%的程度,并且通过过渡金属氢氧化物(A)或过渡金属碳酸盐(A)包封至少90%的程度。

    METHOD OF MAKING PARTICULATE (OXY)HYDROXIDES, AND PARTICULATE (OXY)HYDROXIDES

    公开(公告)号:US20250042769A1

    公开(公告)日:2025-02-06

    申请号:US18719035

    申请日:2023-01-06

    Applicant: BASF SE

    Abstract: Disclosed herein is a method for making a particulate (oxy)hydroxide of TM, where TM is a combination of nickel and at least one metal selected from Co and Mn, the process including: (a) providing an aqueous solution (α) containing water-soluble salts of Ni and of at least one transition metal selected from Co and Mn, (b) combining a solution (α) and a solution (β) and, if applicable, a solution (γ) at a pH value in a range of from 12.0 to 13.0 determined at 23° C. in a continuous stirred tank reactor, thereby creating a slurry of solid particles of a hydroxide containing nickel, and (c) transferring slurry from step (b) into a batch-wise operated stirred tank reactor where a solution (α) and a solution (β) and optionally a solution (γ) are combined with the slurry at a pH value in a range of from 11.0 to 12.0 determined at 23° C.

    SPHERICAL PARTICLES, PRODUCTION THEREOF AND USE
    6.
    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。

    PROCESS FOR PRODUCING SUSPENSIONS
    7.
    发明申请
    PROCESS FOR PRODUCING SUSPENSIONS 审中-公开
    生产悬浮液的方法

    公开(公告)号:US20160115043A1

    公开(公告)日:2016-04-28

    申请号:US14889928

    申请日:2014-05-06

    Applicant: BASF SE

    Inventor: Simon SCHROEDLE

    Abstract: Process for producing a suspension by precipitation of a solid from a solution, wherein at least two solutions of salts are combined with one another in a stirred vessel so as to form a sparingly soluble solid, where portions of suspension are taken off continuously or discontinuously, the portions taken off in this way are processed in a combination of two separation apparatuses, where gas is separated off in a first separation apparatus which is selected from liquid-gaseous separation apparatuses, and mother liquor is separated off from precipitated sparingly soluble solid in a second separation apparatus selected from solid-liquid separation apparatuses, and the mother liquor is taken off, and the solid which has been separated off or enriched in this way is returned to the reaction mixture.

    Abstract translation: 通过从溶液中沉淀固体制备悬浮液的方法,其中将至少两种盐的溶液在搅拌的容器中相互结合,以便形成可溶性固体,其中悬浮液的部分连续或不连续地取出, 以这种方式取出的部分以两个分离装置的组合进行处理,其中在选自液态气体分离装置的第一分离装置中分离出气体,并将母液从沉淀的微溶固体中分离出来 选自固液分离装置的第二分离装置,取出母液,将已分离或浓缩的固体返回反应混合物。

    PROCESS FOR PREPARING TRANSITION METAL CARBONATES

    公开(公告)号:US20190127408A1

    公开(公告)日:2019-05-02

    申请号:US16225936

    申请日:2018-12-19

    Applicant: BASF SE

    Abstract: A process for preparing transition metal carbonates with a mean particle diameter in the range from 6 to 19 μm (D50), which comprises combining, in a stirred vessel, at least one solution of at least one transition metal salt with at least one solution of at least one alkali metal carbonate or alkali metal hydrogencarbonate to prepare an aqueous suspension of transition metal carbonate, and, in at least one further compartment, continuously introducing a mechanical power in the range from 50 to 10 000 W/l in a proportion of the suspension in each case, based on the proportion of the suspension, and then recycling the proportion into the stirred vessel.

    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.

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