SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS
    3.
    发明申请
    SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS 审中-公开
    二次电池,其制造方法,电池组,电动车,电力存储系统,电动工具及电子装置

    公开(公告)号:US20140375119A1

    公开(公告)日:2014-12-25

    申请号:US14306490

    申请日:2014-06-17

    Abstract: A secondary battery includes: an electrode including an active material layer; and an electrolyte layer provided on the active material layer, wherein area density of the active material layer is equal to or larger than about 40 milligrams per square centimeter, the electrolyte layer includes a polymer compound and an electrolytic solution, and by surface observation of the electrolyte layer, (A) circular regions are not observed, or (B) one or more circular regions are observed, and an average diameter of the circular regions is equal to or less than about 1.3 millimeters.

    Abstract translation: 二次电池包括:包括活性物质层的电极; 以及设置在所述活性物质层上的电解质层,其中,所述活性物质层的面积密度为每平方厘米约40毫克以上,所述电解质层包含高分子化合物和电解液, 没有观察到电解质层,(A)圆形区域,或(B)观察到一个或多个圆形区域,圆形区域的平均直径等于或小于约1.3毫米。

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