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Structure-Activity Relationships for Pt-Free Metal Phosphide Hydrogen Evolution Electrocatalysts

TitleStructure-Activity Relationships for Pt-Free Metal Phosphide Hydrogen Evolution Electrocatalysts
Publication TypeJournal Article
Year of Publication2018
AuthorsOwens-Baird, B, ko, YV, Kovnir, K
JournalChemistry-a European Journal
Date Published05
Type of ArticleReview
ISBN Number0947-6539
Accession NumberWOS:000434074600004
KeywordsCarbon, catalytic mechanism, chemistry, cloth, efficient bifunctional electrocatalyst, fep nanorod arrays, graphene oxide, high catalytic-activity, high-performance, highly efficient, li-ion batteries, nanostructured nickel phosphide, nanostructures, PGM-free catalysts, sheets, structure, surface, water electrolysis, x-ray photoelectron

In the field of renewable energy, the splitting of water into hydrogen and oxygen fuel gases using water electrolysis is a prominent topic. Traditionally, these catalytic processes have been performed by platinum-group metal catalysts, which are effective at promoting water electrolysis but expensive and rare. The search for an inexpensive and Earth-abundant catalyst has led to the development of 3d-transition-metal phosphides for the hydrogen evolution reaction. These catalysts have shown excellent activity and stability. In this review, we discuss the electronic and crystal structures of bulk and surface of selected Fe, Co, and Ni phosphides, and their relationships to the experimental catalytic activity. The various synthetic protocols towards the state-of-the-art transition metal phosphide electrocatalysts are also discussed.

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Short TitleChem.-Eur. J.