| CPC C25B 11/0771 (2021.01) [C25B 1/04 (2013.01); C25B 11/065 (2021.01)] | 20 Claims |

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1. An electrode, comprising:
an electrically conductive substrate; and
a layer of a molybdenum-doped zinc/cobalt oxide (ZnCo2-xMoxO4) at least partially covering a surface of the electrically conductive substrate;
wherein x is a positive number equal to or less than about 0.1; and
wherein the layer of the ZnCo2-xMoxO4 comprises spherical shaped particles.
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