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    ACTIVE CATHODE MATERIAL AND ITS USE IN RECHARGEABLE ELECTROCHEMICAL CELLS
    1.
    发明申请
    ACTIVE CATHODE MATERIAL AND ITS USE IN RECHARGEABLE ELECTROCHEMICAL CELLS 审中-公开

    公开(公告)号：US20200091512A1

    公开(公告)日：2020-03-19

    申请号：US15746686

    申请日：2016-07-28

    Applicant: BASF SE

    Inventor： Martin SCHULZ-DOBRICK ,  Sayuri FUKUYAMA ,  Shinichi KOMABA ,  Kei KUBOTA ,  Takuya ASARI

    IPC: H01M4/485 ,  C01G53/00 ,  H01M4/131 ,  H01M4/525 ,  H01M10/054

    Abstract: The present invention relates to an active cathode material of the general formula (I): MxNia-yM1bM2cM3yO2, in which the variables are each defined as follows: M is an alkali metal, M1 is V, Cr, Mn, Fe, Co or a mixture thereof, M2 is Ge, Sn, Ti, Zr or a mixture thereof, M3 is Mg, Zn, Cu or a mixture thereof, x is in the range from 0.5 to 0.8, a is in the range from 0.1 to 0.4, b is in the range from 0.05 to 0.7, c is in the range from 0.02 to 0.6, y is in the range from 0.05 to 0.2 wherein a+b+c=1. The present invention further relates to an electrode material comprising said active cathode material, to electrodes produced from or using said electrode material and to a rechargeable electrochemical cell comprising at least one electrode. The present invention further relates to a process for preparing said active cathode material of the general formula (I).

    SPHERICAL PARTICLES, PRODUCTION THEREOF AND USE
    3.
    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

    Inventor： Simon SCHROEDLE ,  Martin SCHULZ-DOBRICK

    IPC: H01M4/36 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/505

    CPC classification number: H01M4/366 ,  C01G53/006 ,  C01G53/44 ,  C01P2004/50 ,  C01P2004/52 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2004/82 ,  C01P2006/11 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2220/20 ,  H01M2220/30

    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。

    HETEROCYCLIC SULFONYL FLUORIDE ADDITIVES FOR ELECTROLYTE COMPOSITION FOR LITHIUM BATTERIES
    4.
    发明申请
    HETEROCYCLIC SULFONYL FLUORIDE ADDITIVES FOR ELECTROLYTE COMPOSITION FOR LITHIUM BATTERIES 审中-公开

    公开(公告)号：US20200212487A1

    公开(公告)日：2020-07-02

    申请号：US16619213

    申请日：2018-07-18

    Applicant: BASF SE

    Inventor： Zhenji HAN ,  Takeo FUKUZUMI ,  Eri SAWADA ,  Martin SCHULZ-DOBRICK ,  Jinbum KIM

    IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569

    Abstract: Heterocyclic sulfonyl fluoride additives for electrolyte composition for lithium batteries An electrolyte composition containing •(i) at least one aprotic organic solvent; •(ii) at least one conducting salt; •(iii) at least one compound of formula (I) wherein R1, R2, and R3 are each independently H or a C1-C20 hydrocarbon group which may be unsubstituted or substituted by one or more substituents selected from F, CN, OS(O)2F, and S(O)2F and which may contain one or more groups selected from —O—, —S—, —C(O)O—, —OC(O)—, and —OS(O)2—; wherein at least one of R1, R2, and R3 is substituted by one or more S(O)2F groups; and •(iv) optionally one or more additives.

    PROCESS FOR PREPARING TRANSITION METAL CARBONATES
    8.
    发明申请
    PROCESS FOR PREPARING TRANSITION METAL CARBONATES 审中-公开

    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

    Inventor： Martin SCHULZ-DOBRICK ,  Simon SCHROEDLE

    IPC: C07F19/00 ,  C01B32/90

    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 LITHIATED TRANSITION METAL OXIDES
    9.
    发明申请
    PROCESS FOR MAKING LITHIATED TRANSITION METAL OXIDES 审中-公开

    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

    Inventor： Aleksei VOLKOV ,  Martin SCHULZ-DOBRICK ,  Simon SCHROEDLE ,  Jordan LAMPERT

    IPC: H01M4/36 ,  H01M4/505 ,  H01M4/62 ,  C01G53/00 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0525 ,  H01M4/02

    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 A PARTIALLY COATED ELECTRODE ACTIVE MATERIAL
    10.
    发明申请
    PROCESS FOR MAKING A PARTIALLY COATED ELECTRODE ACTIVE MATERIAL 有权

    公开(公告)号：US20210328218A1

    公开(公告)日：2021-10-21

    申请号：US17250954

    申请日：2019-09-20

    Applicant: BASF SE

    Inventor： Christoph ERK ,  Zhenji HAN ,  Junji KASHIWAGI ,  Suhao WEI ,  Takayuki YAMAMURA ,  Daisuke MORITA ,  Martin SCHULZ-DOBRICK

    IPC: H01M4/525 ,  H01M4/505 ,  H01M4/04

    Abstract: Process for making a partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula Li1+1TM1−xO2, wherein TM comprises Ni and, optionally, at least one transition metal selected from Co and Mn, and, optionally, at least one element selected from Al, Mg, Ba and B, transition metals other than Ni, Co, and Mn, and x is in the range of from −0.05 to 0.2, wherein at least 50 mole-% of the transition metal of TM is Ni, (b) treating said electrode active material with an aqueous formulation containing an inorganic aluminum compound dispersed or slurried in water, (c) separating off the water, (d) thermal treatment of the material obtained from step (c).

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