NONAQUEOUS ELECTROLYTE SOLUTION SECONDARY BATTERY
    25.
    发明申请
    NONAQUEOUS ELECTROLYTE SOLUTION SECONDARY BATTERY 有权
    非电解电解质二次电池

    公开(公告)号:US20160028123A1

    公开(公告)日:2016-01-28

    申请号:US14771749

    申请日:2014-02-28

    Abstract: A nonaqueous electrolyte solution secondary battery having an electrode element having a positive electrode and a negative electrode disposed so as to face each other, a nonaqueous electrolyte solution, and an outer package housing the electrode element and the nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains a cyclic sulfonic acid ester represented by the general formula (1), and a positive electrode active material in the positive electrode is a mixture of a lithium manganese composite oxide having a spinel structure and a lithium transition metal composite compound having a layered rock salt structure. wherein, in the formula (1), R1 and R2 are each independently a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a halogen group or an amino group with the proviso that R1 and R2 are not hydrogen atoms at the same time; R3 represents a linkage group selected from the group consisting of an alkylene group having 1 to 5 carbon atoms, a carbonyl group, a sulfonyl group, a fluoroalkylene group having 1 to 6 carbon atoms, and a divalent group having 2 to 6 carbon atoms in which alkylene units or fluoroalkylene units are bonded through an ether group.

    Abstract translation: 一种非水电解液二次电池,具有将正极和负极相对配置的电极元件,非水电解质溶液和容纳电极元件和非水电解质溶液的外包装体,其中,非水电解液 含有由通式(1)表示的环状磺酸酯,正极中的正极活性物质是具有尖晶石结构的锂锰复合氧化物和具有层状岩盐的锂过渡金属复合化合物的混合物 结构体。 其中,在式(1)中,R 1和R 2各自独立地为氢原子,具有1至5个碳原子的烷基,卤素基团或氨基,条件是R 1和R 2不在相同的氢原子 时间; R3表示选自碳原子数1〜5的亚烷基,羰基,磺酰基,碳原子数1〜6的氟代亚烷基,碳原子数2〜6的2价的基团的连接基团, 哪个亚烷基单元或氟亚烷基单元通过醚基键合。

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