Indented electrode cup for a galvanic cell

Details Indented electrode cup for a galvanic cell Indented electrode cup for a galvanic cell

H - Electricity

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H01M 2/02 (2006.01) H01M 2/08 (2006.01) H01M 6/12 (2006.01) H01M 10/04 (2006.01) H01M 12/06 (2006.01)

Patent

CA 2309190

A, preferably miniature, galvanic cell employing a cell housing comprising an indented cup (2), such as a beaded (10) cup, and can (30) wherein the indented area is disposed at the vicinity of the open end of the cup so that effectively the majority of the cross section thickness of the vertical portion of the cell is attributed to the thickness of the wall of the cup so that maximum internal volume of the cell is reserved for the active components.

La présente invention concerne une cellule galvanique, de préférence miniaturisée, dont l'enveloppe est constituée d'une coiffe (2) cerclée d'une rainure rentrante, notamment une coiffe emboutie (10), et d'un bac (30). En l'occurrence, la rainure rentrante est située au voisinage de la partie ouverte de la coiffe de façon que la majeure partie de l'épaisseur en coupe de la partie verticale de la cellule revienne à l'épaisseur de la paroi de la coiffe. Il en résulte qu'un maximum de volume interne de la cellule est disponible pour les composants actifs.

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