Abstract
The current and potential distributions of zinc electrodes in secondary zinc-silver oxide cells during cycling were studied using a sectioned electrode technique. The shape change occurring in zinc electrodes resulting from cell cycling was examined. The zinc electrodes used for this study were of a conventional type of design and were fabricated by a slurry paste method. The positive electrodes used were sectioned silver oxide electrodes, each of which comprised nine sections of sintered silver plates. The results indicate that, by adding a layer of non-woven fabric treated with Fe2O3 to the edge sections of the electrode separator system, the uniformity of the current and potential distributions on the zinc electrodes during cell cycling can be improved, and the zinc electrode shape change resulting from cell cycling can be effectively suppressed.
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