Abstract
A solid-state secondary cell was fabricated using two different transition metal hexacyanometallates as anode and cathode materials. To reach a high-voltage cell, a hexacyanometallate with less negative redox potential, chromium hexacyanochromate (CrHCC), was employed as the active material of the anode and a hexacyanometallate with high positive redox potential, chromium hexacyanoferrate (CrHCF) was employed as the active material of the cathode. Consequently, a secondary cell with relatively high voltage of about 1.5 V was obtained, which is relatively high for this type of batteries. The preliminary studies of the battery performance were carried out based on a simply designed cell. The results indicate that the idea for the fabrication of this type of secondary cells is of interest and further investigations (improving the battery properties) can lead to reach an acceptable situation for the practical performances.
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