Boride-based electrocatalysts: Emerging candidates for water splitting

Electrocatalytic water splitting (EWS) is a promising route to produce hydrogen in a sustainable and environment-benign manner. To realize the large-scale hydrogen production, it is paramount to develop desirable electrocatalysts with engineered structure, high catalytic activity, facile accessibili...

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Bibliographic Details
Published in:Nano research 2020-02, Vol.13 (2), p.293-314
Main Authors: Chen, Zhijie, Duan, Xiaoguang, Wei, Wei, Wang, Shaobin, Zhang, Zejie, Ni, Bing-Jie
Format: Article
Language:English
Subjects:
Annealing
Atomic/Molecular Structure and Spectra
Biomedicine
Biotechnology
Borides
Catalysts
Catalytic activity
Chemistry and Materials Science
Condensed Matter Physics
Durability
Electrocatalysts
Electrolytes
Energy
Engineering
Hybridization
Hydrogen
Hydrogen production
Materials Science
Methods
Morphology
Nanomaterials
Nanotechnology
Oxidation
Plasma sintering
Powder metallurgy
Review Article
Splitting
Transition metals
Water splitting
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Summary:Electrocatalytic water splitting (EWS) is a promising route to produce hydrogen in a sustainable and environment-benign manner. To realize the large-scale hydrogen production, it is paramount to develop desirable electrocatalysts with engineered structure, high catalytic activity, facile accessibility, low cost, and good durability. Of late, boride-based materials, especially transition-metal borides (TMBs), are emerging as promising candidates for the EWS process. However, so far, little attempt has been made to provide a comprehensive summary on these findings. Herein, this review provides the up-to-date status on upgrading the catalytic performance of TMB-based nanomaterials by regulating the internal and external characteristics. The conventional synthetic techniques are first presented for the preparation of TMB-based catalysts. Afterwards, the advanced strategies are summarized to enhance the catalytic performance of TMBs, including morphology control, component regulation, phase engineering, surface oxidation and hybridization. Then, the design principles of TMB-based electrocatalysts for high-performance EWS are outlined. Lastly, the current challenges and future directions in the development of TMB-based materials are proposed. This review article is expected to envisage insights into the TMBs-based water splitting and to provide strategies for design of the next-generation TMB-based electrocatalysts.
ISSN:1998-0124
1998-0000
DOI:10.1007/s12274-020-2618-y