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Type: Journal article
Title: Rational catalyst design for N₂ reduction under ambient conditions: strategies toward enhanced conversion efficiency
Other Titles: Rational catalyst design for N(2) reduction under ambient conditions: strategies toward enhanced conversion efficiency
Author: Shi, L.
Yin, Y.
Wang, S.
Sun, H.
Citation: ACS Catalysis, 2020; 10(12):6870-6899
Publisher: American Chemical Society
Issue Date: 2020
ISSN: 2155-5435
Statement of
Lei Shi, Yu Yin, Shaobin Wang, and Hongqi Sun
Abstract: Ammonia (NH₃), one of the basic chemicals in most fertilizers and a promising carbon-free energy storage carrier, is typically synthesized via the Haber–Bosch process with high energy consumption and massive emission of greenhouse gases. The photo/electrocatalytic nitrogen reduction reaction (NRR) under ambient conditions has attracted increasing interests recently, providing alternative routes to realize green NH₃ synthesis. Despite rapid advances achieved in this most attractive research field, the unsatisfactory conversion efficiency including a low NH₃ yield rate, and limited Faradaic efficiency or apparent quantum efficiency still remains as a great challenge. The NRR performance is intrinsically related to the electronic and surface structure of catalysts. Rational design and preparation of advanced catalysts are indispensable to improve the performance (e.g., activity and selectivity) of NRR. In this Review, various strategies for the development of desirable catalysts are comprehensively summarized, mainly containing the defect engineering, structural manipulation, crystallographic tailoring, and interface regulation. State-of-the-art heterogeneous NRR catalysts, prevailing theories and underlying catalytic mechanisms, together with current issues, critical challenges, and perspectives are discussed. It is highly expected that this Review will promote the understanding of recent advances in this area and stimulate greater interests for designing promising NRR catalysts in future.
Keywords: Nitrogen reduction; ammonia synthesis; catalyst design; electrocatalysis; photocatalysis
Rights: © 2020 American Chemical Society. This is an open access article published under a Creative Commons Non-Commercial No Derivative Works (CC-BY-NC-ND) Attribution License, which permits copying and redistribution of the article, and creation of adaptations, all for non-commercial purposes.
DOI: 10.1021/acscatal.0c01081
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