| 摘要 |
PURPOSE:To lower the hydrogen overvoltage of the resulting cathode and to improve the durability by forming a porous metallic layer on a substrate for an electrode and coating the layer with an active substance made of a prescribed Ni-Cr alloy by sintering. CONSTITUTION:A porous metallic layer contg. electrically conductive particles is formed on a substrate for an electrode by plating. A soln. prepd. by dissolving NiCl2.6H2O and CrCl3.6H2O in butanol is applied to the layer and the compounds are thermally decomposed to coat the layer with an active substance made of an Ni-Cr alloy contg. 16-65wt% Cr.
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