| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a battery composed by reducing or preventing characteristic degradation of the whole battery due to expansion and contraction of a negative electrode. <P>SOLUTION: This battery 1 is composed by using a positive electrode 9 formed by two-dimensionally distributing a low support region set to a low support amount relative to an average support amount in relation to the whole of active material layers, in the active material layers 12 and 13 arranged on principal surfaces 11a and 11b of a collector 11. <P>COPYRIGHT: (C)2007,JPO&INPIT |
