Affiliation:
1. College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
2. Department of Materials Science and Engineering and State Key Laboratory of Marine Pollution City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong 999077 P. R. China
3. Department of Chemical and Biomolecular Engineering National University of Singapore 117576 Singapore Singapore
Abstract
AbstractNoble metal‐engineered catalysts (NMECs) play an important role in promoting the practical utilization of water‐splitting devices in hydrogen energy systems. While owing to the complicated catalytic centers, diverse support structures, and changing microenvironments, NMECs still face many challenges when it comes to designing and analyzing the precise catalytic sites and activity‐mechanism analyses, which are crucial for their future developments. Here, this cutting‐edge review systematically discusses recent advancements in designing NMECs for water electrolysis, including the structure evolution, microenvironment modulation, structure‐reactivity correlation, and new horizons. First, the fundamental advantages, mechanisms, and evaluation methods of NMECs for water splitting are outlined. Then, the strategies to modulate the catalytic microenvironments of NMECs are thoroughly summarized, such as crystal phase modulation, alloying effects, crystallization degrees, size effects, and substrate effects. In particular, there are valuable perspectives on bond interactions, theoretical calculations, and evaluation methods to disclose the catalytic mechanisms. Thereafter, a special emphasis is given on structure‐reactivity correlation, performances, and water‐splitting devices. Finally, a thorough discussion of the upcoming difficulties and new directions for developing next‐generation NMECs is presented. It is believed that the review will have a significant influence on creating noble metal‐based catalysts in the field of electrolytic water‐splitting.
Funder
National Key Research and Development Program of China
National Natural Science Foundation of China
State Key Laboratory of Polymer Materials Engineering
Subject
Electrochemistry,Condensed Matter Physics,Biomaterials,Electronic, Optical and Magnetic Materials