Secondary battery

Details Secondary battery Secondary battery

H - Electricity

01

M

H01M 2/36 (2006.01) H01M 2/12 (2006.01) H01M 10/00 (2006.01)

Patent

CA 2272428

A secondary battery comprises a can into which an electrode assembly is inserted, a cap assembly mounted to an opening of the can; and an electrolyte injection hole formed on at least one of the can and cap assembly, and a safety member to close the electrolyte injection hole. The electrolyte injection hole is formed on a negative portion of the cap assembly. The safety member is inserted into and welded on the electrolyte injection hole.

Accumulateur électrique composé d'un récipient métallique dans lequel est introduit un ensemble électrode, d'un ensemble couvercle monté sur une ouverture du récipient métallique et d'un orifice d'injection d'électrolyte situé sur au moins un du récipient métallique et de l'ensemble couvercle, ainsi que d'un élément de sécurité servant à fermer ledit orifice. Cet orifice est placé sur une partie négative de l'ensemble couvercle. L'élément de sécurité est introduit dans l'orifice d'injection d'électrolyte et soudé à ce dernier.

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