| 摘要 |
The present invention is a sealing construction for a secondary cell in which an electrode terminal member is disposed inside an opening of a cell container with interposition of a seal member, with a circumferential portion of the cell container around its opening being bent inwards together with the seal member and the cell container and the electrode terminal member being swaged together, wherein: on outer surface of the cell container, between a bent portion where the cell container is bent and the opening, an edged summit portion and a protruding portion having a sloping portion that ranges from an edge portion facing the opening of the cell container to the summit portion are formed in an annular shape around circumferential direction of the opening of the cell container.
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