General Electric Company

Jon R Young

Guy G Rampel

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 fluorocarbon polymer, such as polytetrafluoroethylene, these materials being dispersed in intimate contact with the relatively porous cadmium deposit.

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High Springs, FL, United States of America

Jon R Young