The United States of America As Represented by the Administrator of the

William J Nagle

Dean W Sheibley

Daniel G Soltis

An improved zinc electrode for alkaline cells includes up to about ten percent by weight of Ba(OH).sub.2.8H.sub.2 O with about five percent being preferred. The zinc electrode may or may not be amalgamated with mercury.

Additive for zinc electrodes

The present invention is drawn to a toroidal cell which includes a wound core disposed within a pair of toroidal channel shaped electrodes spaced apart by nylon insulator. The shape of the case electrodes of this toroidal cell allows a first planar doughnut shaped surface and the inner cylindrical case wall to be used as a first electrode and a second planar doughnut shaped surface and the outer cylindrical case wall to be used as a second electrode. Connectors may be used to stack two or more toroidal cells together by connecting substantially the entire surface area of the first electrode of a first cell to substantially the entire surface area of the second electrode of a second cell. The central cavity of each toroidal cell may be used as a conduit for pumping a fluid through the toroidal cell to thereby cool the cell.

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Sheffield Lake, OH, United States of America

William J Nagle