| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a square battery, easy to assemble, to which an unnecessary force will not act on the inside in an assembled state. <P>SOLUTION: Inside a battery can 1 made by fixing a sealing plate 12 at an opening of a square vessel 11, a wound-up electrode body 2 is housed with its outer peripheral face abutted along the bottom face of the square vessel 11, collector plates 3 are arranged at a pair of positive and negative electrode end edges 21 protruding toward both ends of the wound-up electrode body 2, and the collector plates 3 are connected to a pair of positive and negative electrode terminal mechanisms 4, 40 provided at the sealing plate 12. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
