Co-Based Electrocatalysts for Hydrogen-Evolution Reaction

Co-Based Electrocatalysts for Hydrogen-Evolution Reaction

Xiumin Li, Guoqing Guan

Among the transition metals based electrocatalysts, cobalt based ones have been extensively studied for hydrogen evolution reaction (HER). Herein, the state-of-the-art of Co based electrocatalysts including Co metal, Co-N-C composites, Co based alloys, nitrides, phosphides, oxides, sulfides, selenides and binary nonmetal compounds for HER is introduced. The strategies for the synthesis of highly efficient Co based catalysts are summarized. Besides, the effective tactics including adjusting the bond strength of the catalyst-reactant, optimizing the electronic structure, and designing rational nanostructure for improving performance of electrocatalysts are reviewed and discussed.

Keywords
Hydrogen Evolution Reaction, Co-Based Material, Synthesis Tactic, Electrocatalysis, Water Splitting

Published online 10/5/2019, 38 pages

Citation: Xiumin Li, Guoqing Guan, Co-Based Electrocatalysts for Hydrogen-Evolution Reaction, Materials Research Foundations, Vol. 59, pp 59-96, 2019

DOI: https://doi.org/10.21741/9781644900451-3

Part of the book on Electrochemical Water Splitting

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