Electrode for an electrochemical cell

H - Electricity – 01 – M

Patent

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Details

H01M 4/02 (2006.01) H01M 4/12 (2006.01) H01M 4/24 (2006.01) H01M 6/08 (2006.01) H01M 10/04 (2006.01) H01M 10/28 (2006.01)

Patent

CA 2347215

An electrochemical cell is provided comprising a first electrode (30) including a plurality of stacked disks (35), a second electrode disposed about the periphery of the disks (20), and an electrolyte. Also, an electrode is disclosed that includes a plurality of stacked disks. The electrode is preferably a negative electrode of an alkaline cell and the disks are preferably formed of zinc. By forming the negative electrode of such zinc disks, the discharge capacity of the negative electrode may be increased. Consequently, the high-rate service of an alkaline cell having the inventive negative electrode is improved.

L'invention concerne une cellule électrochimique comprenant une première électrode (30) comportant plusieurs disques empilés (35), une seconde électrode disposée autour de la périphérie des disques (20), ainsi qu'un électrolyte. L'invention concerne également une électrode comportant plusieurs disques empilés. Cette électrode est, de préférence, une électrode négative d'une cellule alcaline et les disques sont préférablement formés de zinc. En formant l'électrode négative à l'aide de tels disques de zinc, on peut accroître la capacité de décharge de cette électrode. En conséquence, on améliore le service haute intensité d'une cellule alcaline comprenant l'électrode négative de l'invention.

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