ALKYLBENZOATE DERIVATIVES AS ELECTROLYTE ADDITIVE FOR LITHIUM BASED BATTERIES
    1.
    发明申请
    ALKYLBENZOATE DERIVATIVES AS ELECTROLYTE ADDITIVE FOR LITHIUM BASED BATTERIES 审中-公开
    碱性硼酸盐衍生物作为锂离子电池的电解质添加剂

    公开(公告)号:US20170040650A1

    公开(公告)日:2017-02-09

    申请号:US15304726

    申请日:2015-04-08

    Applicant: BASF SE

    Abstract: The invention relates to an electrolyte composition containing at least one compound of (I) wherein R1 is selected from C1 to C10 alkyl, and R2 is selected from O(C1 to C10 alkyl), OC(O)(C1 to C10 alkyl), OC(O)O(C1 to C10 alkyl), OS(O)2(C1 to C10 alkyl) and S(O)2O(C1 to C10 alkyl), wherein C1 to C10 alkyl may be substituted by one or more F and wherein one or more CH2— groups of C1 to C10 alkyl which are not bound directly to O may be replaced by O.

    Abstract translation: 本发明涉及含有至少一种式(I)的化合物的电解质组合物,其中R1选自C1至C10烷基,R2选自O(C1至C10烷基),OC(O)(C1至C10烷基), OC(O)O(C1至C10烷基),OS(O)2(C1至C10烷基)和S(O)2O(C1至C10烷基),其中C1至C10烷基可被一个或多个F取代, 其中一个或多个不与O直接结合的C1-C10烷基的CH2-基团可以被O.

    PROCESS FOR MAKING A CATHODE, AND INTERMEDIATES SUITABLE THEREFOR

    公开(公告)号:US20220344634A1

    公开(公告)日:2022-10-27

    申请号:US17662456

    申请日:2022-05-09

    Applicant: BASF SE

    Abstract: Process for making a cathode comprising the following steps (a) Providing a cathode active material selected from layered lithium transition metal oxides, lithiated spinels, lithium transition metal phosphate with olivine structure, and lithium nickel-cobalt aluminum oxides, (b) treating said cathode active material with an oligomer bearing units according to general formula (I a), wherein R1 are the same or different and selected from hydrogen and C1-C4-alkyl, aryl, and C4-C7-cycloalkyl, R2 and R3 are selected independently at each occurrence from phenyl and C1-C8-alkyl, C4-C7-cycloalkyl, C1-C8-haloalkyl, OPR1(O)—*, and —(CR92)p—Si(R2)2—* wherein one or more non-vicinal CR92-groups may be replaced by oxygen, R9 is selected independently at each occurrence from H and C1-C4-alkyl, and p is a variable from zero to 6, and wherein the overall majority of R2 and R3 is selected from C1-C8-alkyl, and, optionally, at least one of carbon in electrically conductive form and, optionally, a binder, (c) applying a slurry of said treated cathode active material to a current collector, and (d) at least partially removing solvent used in step (c).

    ELECTROLYTE COMPOSITIONS CONTAINING ESTERS OF DICARBOXYLIC ACIDS
    3.
    发明申请
    ELECTROLYTE COMPOSITIONS CONTAINING ESTERS OF DICARBOXYLIC ACIDS 审中-公开
    含有二羧酸酯的电解质组合物

    公开(公告)号:US20170040649A1

    公开(公告)日:2017-02-09

    申请号:US15304255

    申请日:2015-04-15

    Applicant: BASF SE

    Abstract: The invention relates to an electrolyte composition containing (i) at least one aprotic polar organic solvent having a flash point above 80° C. and a dielectric constant above 10 at 25° C.; (ii) at least one flame retardant and/or non-flammable solvent; (iii) at least one compound of formula (I) R1—O(O)C—(CH2)n—C(O)O—R2 (I) wherein R1 and R2 are independently from each other selected from C1-C6 alkyl and n is 1, 2 or 3; (iv) at least one conducting salt; (v) at least one aprotic organic solvent having a dynamic viscosity below 1 mPa s at 25° C.; and (vi) optionally one or more additives.

    Abstract translation: 本发明涉及一种电解质组合物,其包含(i)至少一种闪点高于80℃的非质子极性有机溶剂,并且在25℃下的介电常数高于10; (ii)至少一种阻燃和/或不可燃溶剂; (iii)至少一种式(I)化合物R 1 -O(O)C(CH 2)n -C(O)O-R 2(I),其中R 1和R 2彼此独立地选自C 1 -C 6烷基 n为1,2或3; (iv)至少一种导电盐; (v)至少一种在25℃下动态粘度低于1mPa·s的非质子有机溶剂。 和(vi)任选的一种或多种添加剂。

    PROCESS FOR MAKING A CATHODE, AND INTERMEDIATES SUITABLE THEREFOR

    公开(公告)号:US20200303724A1

    公开(公告)日:2020-09-24

    申请号:US16769414

    申请日:2018-12-04

    Applicant: BASF SE

    Abstract: Process for making a cathode comprising the following steps (a) Providing a cathode active material selected from layered lithium transition metal oxides, lithiated spinels, lithium transition metal phosphate with olivine structure, and lithium nickel-cobalt aluminum oxides, (b) treating said cathode active material with an oligomer bearing units according to general formula (I a), wherein R1 are the same or different and selected from hydrogen and C1-C4-alkyl, aryl, and C4-C7-cycloalkyl, R2 and R3 are selected independently at each occurrence from phenyl and C1-C8-alkyl, C4-C7-cycloalkyl, C1-C8-haloalkyl, OPR1(O)—*, and —(CR92)p—Si(R2)2—* wherein one or more non-vicinal CR92 groups may be replaced by oxygen, R9 is selected independently at each occurrence from H and C1-C4-alkyl, and p is a variable from zero to 6, and wherein the overall majority of R2 and R3 is selected from C1-C8-alkyl, and, optionally, at least one of carbon in electrically conductive form and, optionally, a binder, c) applying a slurry of said treated cathode active material to a current collector, and d) at least partially removing solvent used in step (c).

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