| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery whereof a charge and discharge cycle life is enhanced. <P>SOLUTION: In the battery with a positive electrode 4, a negative electrode 6 and a nonaqueous electrolyte, at least either of the positive electrode 4 and the negative electrode 6 includes a conductive substrate and an active material layer formed on at least one surface of the conductive substrate and of which a surface area per cm<SP>2</SP>is 0.01 m<SP>2</SP>to 0.2 m<SP>2</SP>. <P>COPYRIGHT: (C)2004,JPO |
