| 摘要 |
PROBLEM TO BE SOLVED: To provide a flat battery including a positive electrode material and a negative electrode material, in which at least one member of the positive electrode material and the negative electrode material can be effectively reinforced so that the at least one member is not damaged by vibrations or the like.SOLUTION: A flat battery (1) includes: a bottomed cylindrical positive electrode can (10); a bottomed cylindrical negative electrode can (20) covering an opening of the positive electrode can (10); a positive electrode material (41) and a negative electrode material (42) disposed in a space formed between the positive electrode can (10) and the negative electrode can (20); a positive electrode ring (44) holding the positive electrode material (41); and a mesh member (51) disposed at a portion where is not covered with the positive electrode ring (44) in the positive electrode material (41) and reinforcing the portion. |
