Recent Advancements on Sustainable Electrochemical Water Splitting Hydrogen Energy Applications Based on Nanoscale Transition Metal Oxide (TMO) Substrates

Nanoscale transition metal oxides (TMO) is a promising contender for generating clean and sustainable hydrogen production from water with exceptional efficiency using water splitting approach. This review article specifically examines the use of TMO as active catalysts and current generator with this technique. It discusses the crucial component that governs the regulation of catalytic activity due to large active surface area of nanoscale TMO. The ultimate goal with the evolution of nanoscale TMO substrate is to produce a clean energy sources from environmental available water for future research to achieve the cost-effective, efficient, and environmentally friendly hydrogen production using water splitting approach.

Abstract

The development of green hydrogen generation technologies is increasingly crucial to meeting the growing energy demand for sustainable and environmentally acceptable resources. Many obstacles in the advancement of electrodes prevented water electrolysis, long thought to be an eco-friendly method of producing hydrogen gas with no carbon emissions, from coming to fruition. Because of their great electrical conductivity, maximum supporting capacity, ease of modification in valence states, durability in hard environments, and high redox characteristics, transition metal oxides (TMOs) have recently captured a lot of interest as potential cathodes and anodes. Electrochemical water splitting is the subject of this investigation, namely the role of transition metal oxides as both active and supportive sites. It has suggested various approaches for the logical development of electrode materials based on TMOs. These include adjusting the electronic state, altering the surface structure to control its resistance to air and water, improving the flow of energy and matter, and ensuring the stability of the electrocatalyst in challenging conditions. In this comprehensive review, it has been covered the latest findings in electrocatalysis of the Oxygen Evolution Reaction (OER) and Hydrogen Evaluation Reaction (HER), as well as some of the specific difficulties, opportunities, and current research prospects in this field.

Zum Volltext