Journal
ADVANCED MATERIALS
Volume 32, Issue 46, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202001866
Keywords
atomic structure; cation exchange; electrocatalysis; electronic structure
Categories
Funding
- National Science Fund for Excellent Young Scholars [51722103]
- National Natural Science Foundation of China [51571149, 21576202]
- Natural Science Foundation of Tianjin City [19JCJQJC61900]
- Australian Research Council (ARC) [FL170100154, DP160104866]
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In the past few decades, tremendous advances have been made in electrocatalysis due to the rational design of electrocatalysts at the nanoscale level. Further development requires engineering electrocatalysts at the atomic level, which is a grand challenge. Here, the recent advances in cation exchange strategy, which is a powerful tool for fine-tuning atomic structure of electrocatalysts via surface faceting, heteroatom doping, defects formation, and strain modulation, are the main focus. Proper atomic structure engineering effectively adjusts the electronic structure, and thus enhances the electronic conductivity and facilitates the adsorption/desorption of reaction intermediates. By virtue, the cation exchange strategy greatly boosts the intrinsic and apparent activities of electrocatalysts and shows a great potential toward design of new energy conversion devices, such as water splitting devices and metal-air batteries. It is believed that cation exchange offers new insights and opportunities for the rational design of a new generation of electrocatalysts.
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