Engineering Two-Dimensional Transition Metal Dichalcogenide Catalysts for Water-Splitting Hydrogen Generation

Xianyi Cao, Yingying Tang, Jens Øllgaard Duus, Qijin Chi

Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearchpeer-review


Development of advanced energy conversion and storage technologies is essential for optimizing the integration of sustainable energy resources into current-running power grid systems. As one of the key energy-storage carriers, hydrogen (H2) possesses ultrahigh gravimetric energy density, eco-friendly character and high renewability during its production and combustion processes. The development of green electricity powered H2 production techniques is a highly competitive solution to meet current energy and environmental challenges. Among different industrial approaches for H2 production, platinum supported electrocatalytic water splitting via hydrogen evolution reaction (HER) is a rather mature technique. However, it has been increasingly demanded to explore high-performance, earth-abundant and cost-effective HER electrocatalysts that can further improve energy efficiency and bring down production cost. Thanks to their abundant active edge sites, superior electrocatalytic activity, good stability and low cost, two-dimensional (2D) transition metal dichalcogenide (TMD) based electrocatalysts have been recognized as promising alternatives. This chapter deals with recent advances on the exploration of 2D-TMD based HER catalysts for water-splitting hydrogen generation. We present a brief introduction to the current main techniques for H2 production and the recent development of HER electrocatalysts. The introduction is followed by the description of the basic process of water electrolysis, general working principles of HER electrocatalysts, and main synthetic methods of 2D TMDs based materials. We then highlight some representative 2D-TMD materials used as HER electrocatalysts and conclude with the remarks and outlook of the relevant research lines.
Original languageEnglish
Title of host publicationHandbook of Ecomaterials
EditorsLeticia Myriam Torres Martínez, Oxana Vasilievna Kharissova, Boris Ildusovich Kharisov
Number of pages25
Publication date2017
ISBN (Print)978-3-319-48281-1
ISBN (Electronic)978-3-319-48281-1
Publication statusPublished - 2017

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