Electrical Properties of Anodic Oxide Films of Ta, Nb, Zr, Ti, W, and V Formed by the Ion-Cathode Method

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Abstract
A technique is described for preventing electrical shorting resulting from the formation of alloy in thermal cells employing a Ca anode and electrolyte. The cell employed in this work was . The method consists of immersing the Ca anode in an acetic acid solution, thereby forming a layer of on the anode surface. This double salt decomposes to either prior to or at the beginning of the cell discharge. The resulting high concentration of Ca++ at the anode‐electrolyte interface retards the displacement by Ca of Li from the in the electrolyte. Cell and battery test results are given which demonstrate the improvement in performance resulting from application of this technique.