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Transition Metal Phosphide-Based Materials for Efficient Electrochemical Hydrogen Evolution: A Critical Review
Chen-Chen Weng1, Jin-Tao Ren1, Zhong-Yong Yuan1
1Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), School of Materials Science and Engineering, Nankai University, Tianjin, 300350, P. R. China.
Chemsuschem
|March 21, 2020
Summary
Transition metal phosphides (TMPs) are highly active and durable non-noble metal electrocatalysts for hydrogen evolution reaction (HER). This review summarizes TMPs synthesis, HER mechanisms, and strategies to enhance their performance for sustainable hydrogen production.
Area of Science:
- Materials Science
- Electrochemistry
- Sustainable Energy
Background:
- Hydrogen is a promising sustainable energy carrier.
- Electrochemical water splitting requires efficient non-noble metal electrocatalysts.
- Transition metal phosphides (TMPs) show excellent activity and durability for hydrogen evolution reaction (HER).
Purpose of the Study:
- To review the progress of TMP-based HER electrocatalysts.
- To discuss synthesis strategies, reaction mechanisms, and performance-enhancement approaches for TMPs.
- To identify crucial issues and future perspectives for TMPs in HER.
Main Methods:
- Summary of up-to-date research on TMP-based HER electrocatalysts.
- Presentation of various synthesis strategies for TMPs.
- Discussion of HER mechanisms and the role of phosphorus.
- Analysis of multiscale approaches (electronic structure, hybrids, microstructure, interface) for catalyst improvement.
Main Results:
- TMPs exhibit remarkable electrocatalytic performance for HER across different electrolytes.
- Synthesis strategies and understanding of HER mechanisms are crucial for catalyst development.
- Multiscale approaches effectively enhance the activity and stability of TMP catalysts.
- Phosphorus plays a significant role in the HER activity of TMPs.
Conclusions:
- TMPs are highly promising non-noble metal electrocatalysts for efficient hydrogen production via water splitting.
- Further research into synthesis, mechanism, and interface engineering will optimize TMP performance.
- The strategies discussed for TMPs are applicable to other energy-related electrocatalysts.
