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Published on: June 21, 2017
Noble Metal Phosphides: Robust Electrocatalysts toward Hydrogen Evolution Reaction
Bingrong Guo1, Xinxin Wen1, Li Xu2
1Institute of Industrial Catalysis, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China.
Noble metal phosphides (NMPs) are highly active electrocatalysts for green hydrogen production via the hydrogen evolution reaction (HER). This review summarizes NMP-based catalysts, focusing on factors influencing performance and hybrid designs to reduce noble metal usage.
Area of Science:
- Materials Science
- Electrochemistry
- Catalysis
Background:
- Growing concerns over carbon emissions drive demand for green hydrogen production.
- Electrocatalytic hydrogen evolution reaction (HER) is a key technology for sustainable H2 generation.
- Noble metal phosphides (NMPs) show exceptional activity and pH universality as HER electrocatalysts.
Purpose of the Study:
- To review recent advancements in NMP-based electrocatalysts for HER.
- To analyze critical factors affecting NMP HER performance, including phase, morphology, composition, and doping.
- To explore hybrid catalysts incorporating NMPs with other materials to enhance functionality and reduce noble metal content.
Main Methods:
- Literature review of NMP-based HER electrocatalysts.
- Analysis of structure-property relationships in NMPs.
- Examination of synthesis strategies for NMP-based hybrid catalysts.
Main Results:
- NMPs exhibit high activity and pH universality for HER.
- Crystalline phase, morphology, noble metal choice, and doping significantly impact NMP HER performance.
- Hybrid catalysts combining NMPs with other materials offer strategies for reduced noble metal loading and improved functionality.
Conclusions:
- NMP-based catalysts are promising for efficient HER.
- Understanding structure-performance relationships is crucial for designing advanced catalysts.
- Hybridization strategies are key to developing cost-effective and high-performance HER electrocatalysts.
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