Electrolyte solution for lithium secondary battery and lithium secondary
battery using the same
    4.
    发明授权
    Electrolyte solution for lithium secondary battery and lithium secondary battery using the same 有权
    锂二次电池和锂二次电池使用电解液

    公开(公告)号:US6139991A

    公开(公告)日:2000-10-31

    申请号:US137599

    申请日:1998-08-21

    CPC classification number: H01M10/0569

    Abstract: An electrolyte solution for a lithium secondary battery comprising a non-aqueous solvent, and an electrolyte and a carbonic ester derivative both dissolved therein, said carbonic ester derivative having the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently represent an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, or an aryl group having 6 to 12 carbon atoms, provided that R.sup.2 may be a hydrogen atom and provided that R.sup.1 and R.sup.2 may be connected through a methylene group to form a cycloalkyl group having 3 to 6 carbon atoms.

    Abstract translation: 一种锂二次电池的电解质溶液,其包含非水溶剂,和溶解于其中的电解质和碳酸酯衍生物,所述具有式(I)的碳酸酯衍生物:其中R1,R2和R3独立地表示具有式 1至12个碳原子,具有3至6个碳原子的环烷基或具有6至12个碳原子的芳基,条件是R 2可以是氢原子,并且R 1和R 2可以通过亚甲基连接形成 具有3至6个碳原子的环烷基。

    Lithium secondary battery and electrolyte thereof
    6.
    发明授权
    Lithium secondary battery and electrolyte thereof 有权
    锂二次电池及其电解质

    公开(公告)号:US6033809A

    公开(公告)日:2000-03-07

    申请号:US137600

    申请日:1998-08-21

    CPC classification number: H01M10/0569 H01M10/0525 H01M4/587

    Abstract: A non-aqueous electrolyte lithium secondary battery comprising a cathode, an anode and a non-aqueous electrolyte comprising an electrolyte dissolved in a non-aqueous solvent, wherein the cathode is composed of a material containing a lithium complex oxide, the anode is composed of a material containing graphite and the non-aqueous solvent contains, as main components, a cyclic carbonate and a linear carbonate and 0.1 to 4% by weight, based upon the total weight of the non-aqueous solvent, of a sultone derivative having the general formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently represent an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms or a hydrogen atom and n is an integer of 0 to 2.

    Abstract translation: 一种非水电解质锂二次电池,其包含阴极,阳极和非水电解质,其包含溶解在非水溶剂中的电解质,其中所述阴极由含有锂复合氧化物的材料构成,所述阳极由 含有石墨和非水溶剂的材料以环状碳酸酯和直链碳酸酯为主成分,以非水溶剂的总重量计含有0.1〜4重量%的具有一般的磺酸内酯衍生物 式(I):其中R 1,R 2,R 3,R 4,R 5和R 6独立地表示碳原子数1〜12的烷基,碳原子数3〜6的环烷基,碳原子数6〜12的芳基或 氢原子,n为0〜2的整数。

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