A research team from City University of Hong Kong has developed a groundbreaking electrocatalyst that significantly enhances hydrogen production through electrochemical water splitting.
The discovery, published in the journal Nature, centers on developing a highly efficient electrocatalyst that can enhance hydrogen generation through electrocatalytic water splitting.
The team has been exploring how to enhance the performance of the HER process by engineering the crystal phase of nanomaterials for several years. Although TMD nanosheets with unconventional crystal phases possess great potential to be used as catalyst supports, fabricating such sheets pure enough for HER is far from straightforward.
Technically speaking, they found that the 2H-phase template facilitates the epitaxial growth of Pt nanoparticles, whereas the 1T′-phase template supports single-atomically dispersed Pt atoms . The synthesized s-Pt/1T′-MoS2 serves as a highly efficient catalyst for HER and can work for 500 hours in the water electrolyser, demonstrating that 1T′-TMD nanosheets could be effective supports for catalysts.
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