Journal
ADVANCED SCIENCE
Volume 9, Issue 1, Pages -Publisher
WILEY
DOI: 10.1002/advs.202104183
Keywords
electrocatalysis; hollow structural materials; nitrogen reduction reaction; regulation strategies; synthetic methods
Categories
Funding
- National Natural Science Foundation [22075133, 21727808, 21971114, 21701086]
- National Science Funds for Distinguished Young Scholars [21625401]
- Jiangsu Provincial Founds for Natural Science Foundation [BK20200090]
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Hollow structural materials as NRR catalysts offer advantages such as reducing activation energy and enhancing NRR activity.
The electrocatalytic nitrogen reduction reaction (NRR) is known as a promising mean of nitrogen fixation to mitigate the energy crisis and facilitate fertilizer production under mild circumstances. For electrocatalytic reactions, the design of efficient catalysts is conducive to reducing activation energy and accelerating lethargic dynamics. Among them, hollow structural materials possess cavities in their structures, which can slack off the escape rate of N-2 and reaction intermediates, prolong the residence time of N-2, enrich the reaction intermediates' concentration, and shorten electron transportation path, thereby further enhancing their NRR activity. Here, the basic synthetic strategies of hollow structural materials are introduced first. Then, the recent breakthroughs in hollow structural materials as NRR catalysts are reviewed from the perspective of intrinsic, mesoscopic, and microscopic regulations, aiming to discuss how structures affect and improve the catalytic performance. Finally, the future research directions of hollow structural materials as NRR catalysts are discussed. This review is expected to provide an outlook for optimizing hollow structural NRR catalysts.
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