| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery contrived so that each electrode plate is prevented from sticking out from a range in which the electrode plates are to be faced to each other even if a slippage is generated when winding the electrode plate. SOLUTION: The battery is formed by winding a belt-shaped cathode plate 10 and an anode plate in a state of interposing a separator. A difference of the width between one electrode plate and the other electrode plate is adjusted so that the difference of the width at the ending side of winding is larger than that at the starting side of winding, in a range where an area, in which the both electrodes face each other, exists in a winding direction. COPYRIGHT: (C)2006,JPO&NCIPI
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