| 摘要 |
PROBLEM TO BE SOLVED: To easily attach an outer side gasket despite of a simple structure.SOLUTION: A battery includes: a battery container 1 having an opening at one surface; an electric power generation element 2 housed in the battery container 1; and a lid 3 closing the opening. An external terminal 14, exposed to the exterior, is disposed on an outer surface of the lid 3 through an outer side gasket 15. An engagement receiving part 12, protruding outward and having a shape other than a circle in a plain view, is formed in the lid 3. An attaching recessed part 38, which is attached to the engagement receiving part 12, is formed at the outer side gasket 15. |
