Rechargeable cell with oxygen sensing electrode

Details Rechargeable cell with oxygen sensing electrode Rechargeable cell with oxygen sensing electrode

H - Electricity

01

M

319/46

H01M 10/34 (2006.01) H01M 10/42 (2006.01)

Patent

CA 1088151

ABSTRACT OF THE DISCLOSURE A rechargeable nickel-cadmium cell including a plurality of alternately arranged positive and negative electrodes. An oxygen sensing electrode is provided between one of the positive and one of the negative electrodes and connected to the negative terminal of the cell through an external resistor. The sensing electrode includes a suitable substrate on which cadmium is caused to be deposited, the cadmium, in the preferred form of the invention, being deposited in an amount approximately 20% of that employed in making the negative electrodes of the cell. Thereafter, the electrode is treated with silver and also, in one form of the invention, with a hydrophobic flurocarbon polymer, such as polytetrafluoroethylene, these materials being dispersed in intimate contact with the relatively porous cadmium deposit.

283217

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