| 摘要 |
PROBLEM TO BE SOLVED: To provide a film-armored power storage device equipped with a means for preventing moisture from infiltrating from corner parts of a case holding an electrode unit, in the case of a battery or other power storage devices packaging the case with an outer packaging film. SOLUTION: The film-armored power storage device (battery) 1 is provided with an electrode unit having a cathode and an anode, a case 10 for holding the electrode unit with corner parts 10a, and an outer package film 20 covering an outside face of the case 10. The device 1 is also provided with barrier members 31 preventing moisture permeation at least at each corner part 10a toward inside of the outer package film. COPYRIGHT: (C)2006,JPO&NCIPI
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