| 摘要 |
PROBLEM TO BE SOLVED: To provide a copper foil suitable for a collector of a lithium battery that attains high adhesiveness, with respect to an active material layer.SOLUTION: A rolled copper foil for a lithium battery collector satisfies the relations: 0.01 μm≤Ra≤0.10 μm and RSm≤20 μm regarding surface roughness, in a direction parallel to the rolling direction of the upper and the lower surfaces. |
