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Interface modulating, as an old concept of heterogeneous catalysis, represents an emerging, fast-growing and exciting direction in the field of water electrolysis. Over the past five years, diverse hetero-nanostructures have been synthesized as water electrolysis catalysts by taking advantage of interface modulating. However, it seems that the performance (i.e. efficiency and durability) of these materials needs to be further improved. Therefore, a comprehensive summary of recent achievements as well as the challenge issues concerning the regulation of material functionalities through interface modulating is necessary and helpful. In this minireview, we firstly outline the fundamentals of water electrolysis, and then the delicate design and the fine control of well-defined interfaces, and the related mechanisms for performance improvement are discussed. Finally, we conclude with the future opportunities and challenges in the everlasting pursuit of highly efficient and robust water electrolysis catalysts.
This article was published in the following journal.
Name: Chemistry (Weinheim an der Bergstrasse, Germany)
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Substances that dissociate into two or more ions, to some extent, in water. Solutions of electrolytes thus conduct an electric current and can be decomposed by it (ELECTROLYSIS). (Grant & Hackh's Chemical Dictionary, 5th ed)
Agents that modify interfacial tension of water; usually substances that have one lipophilic and one hydrophilic group in the molecule; includes soaps, detergents, emulsifiers, dispersing and wetting agents, and several groups of antiseptics.
The flow of water in enviromental bodies of water such as rivers, oceans, water supplies, aquariums, etc. It includes currents, tides, and waves.
Environmental reservoirs of water related to natural WATER CYCLE by which water is obtained for various purposes. This includes but is not limited to watersheds, aquifers and springs.
Coating with a metal or alloy by electrolysis.