| 摘要 |
An electric storage device is provided with a battery cell (25), a collector foil (29) having a first metal plate (11) and a second metal plate (12) laminated together, and a voltmeter (13) for measuring potential difference between the first metal plate (11) and the second metal plate (12). The first metal plate (11) and the second metal plate (12) are formed of mutually different metals. The collector foil (29) is arranged to be in contact with the battery cell (25). |
