| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a battery of which heat dissipation performance is improved. <P>SOLUTION: It at least one of the electrodes of a positive electrode and a negative electrode of which on the electrode base body an active material mixture is coated, an unevenness having a difference of height of 20 μm or more is provided at least three places or more in the length of 1 mm at the edge part of the active material mixture. <P>COPYRIGHT: (C)2004,JPO |
