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논문 기본 정보

자료유형
학술저널
저자정보
Cui Xun (China University of Geosciences) Gao Likun (Northeast Forestry University) Lu Cheng-Hsin (National Tsing Hua University) Ma Rui (South-Central Minzu University) Yang Yingkui (South-Central Minzu University) Lin Zhiqun (National University of Singapore)
저널정보
나노기술연구협의회 Nano Convergence Nano Convergence Vol.9 No.34
발행연도
2022.7
수록면
1 - 19 (19page)
DOI
10.1186/s40580-022-00324-8

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Single-metal-atom catalysts (SMACs) have garnered extensive attention for various electrocatalytic applications, owing to their maximum atom-utilization efficiency, tunable electronic structure, and remarkable catalytic performance. In particular, carbon-based SMACs exhibit optimal electrocatalytic activity for the oxygen reduction reaction (ORR) which is of paramount importance for several sustainable energy conversion and generation technologies, such as fuel cells and metal-air batteries. Despite continuous endeavors in developing various advanced carbon-based SMACs for electrocatalytic ORR, the rational regulation of coordination structure and thus the electronic structure of carbon-based SMACs remains challenging. In this review, we critically examine the role of coordination structure, including local coordination structure (i.e., metal atomic centers and the first coordination shell) and extended local coordination structure (i.e., the second and higher coordination shells), on the rational design of carbon-based SMACs for high-efficiency electrocatalytic ORR. Insights into the relevance between coordination structures and their intrinsic ORR activities are emphatically exemplified and discussed. Finally, we also propose the major challenges and future perspectives in the rational design of advanced carbon-based SMACs for electrocatalytic ORR. This review aims to emphasize the significance of coordination structure and deepen the insightful understanding of structure-performance relationships.

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