Abstract
Energy drives advancement in different sectors of human society. Cost-effective green energy sources are highly sought-after entities that can provide solutions to the worldwide energy crisis concerns. Among different types of green energy storage and conversion materials, energy via water splitting is regarded as one of the most assuring techniques to generate clean hydrogen fuel and oxygen for metal-air batteries. In this research, nanostructured metal oxides were synthesized through a facile hydrothermal process for water splitting application. Cobalt oxide was doped with iron where the elemental compositions of iron-cobalt were varied as x = 0, 0.2, 0.4, 0.6, 0.8, and 1 in FexCo3-xO4. It interests the scientific community in understanding the effect and role of dopant on materials electrocatalytic and electrical properties to deliver smart design for various applications. Among various samples, Fe0.6Co2.4O4 showed the best performance for water splitting by requiring the lowest amount of energy to generate hydrogen and oxygen. The synthesized materials were found to be electrochemically stable and can be reused many times for water-splitting applications. Our research provides cost-effective materials for green energy production.
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