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Type: Journal article
Title: Rigorous and reliable operations for electrocatalytic nitrogen reduction
Author: Shi, L.
Yin, Y.
Wang, S.
Xu, X.
Wu, H.
Zhang, J.
Wang, S.
Sun, H.
Citation: Applied Catalysis B: Environmental, 2020; 278:119325-1-119325-8
Publisher: Elsevier
Issue Date: 2020
ISSN: 0926-3373
Statement of
Lei Shi, Yu Yin, Shuaijun Wang, Xinyuan Xu, Hong Wu, Jinqiang Zhang, Shaobin Wang, Hongqi Sun
Abstract: Electrocatalytic nitrogen reduction in ambient condition has received enormous attention for sustainable ammonia production. Apart from catalyst development, this promising route is confronted with considerable technical and scientific challenges, e.g., the ubiquity of ammonia contaminations, and the reliability of analysis methods for products. Herein, using indophenol blue method as a paradigm, its accuracy and reproducibility challenged by several interference factors are firstly scrutinized. The presence and levels of various contamination sources are then deliberately identified. Also, the specific experimental operations with the regulation of gas flow, stirring and temperature are systematically practised. Based on the experimental explorations together with recent advances in the field, we propose a flow chart that provides some critical recommendations to conduct rigorous and consistent operations in electrocatalytic nitrogen reduction. This may help the beginners avoid common pitfalls and urge the community to pay more attention to other significant aspects (e.g., catalyst design and reaction kinetics).
Keywords: Nitrogen reduction; electrocatalysis; NRR; experimental error; ammonia production
Rights: © 2020 Elsevier B.V. All rights reserved.
RMID: 1000023778
DOI: 10.1016/j.apcatb.2020.119325
Grant ID:
Appears in Collections:Chemical Engineering publications

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