Issue 2, 2019

Metal–organic framework-derived shuttle-like V2O3/C for electrocatalytic N2 reduction under ambient conditions

Abstract

Electrocatalytic N2 reduction under ambient conditions is a promising alternative to the traditional Haber–Bosch process for environmentally benign and sustainable NH3 production but requires efficient electrocatalysts for the N2 reduction reaction (NRR). Here, we report that metal–organic framework-derived shuttle-like V2O3/C acts as an outstanding NRR electrocatalyst for N2-to-NH3 conversion with excellent selectivity under ambient conditions. In 0.1 M Na2SO4, such V2O3/C exhibits a remarkable NH3 yield of 12.3 μg h−1 mg−1cat. and a high faradaic efficiency of 7.28% at a potential of −0.6 V versus reversible hydrogen electrode, outperforming most of the reported aqueous-based NRR electrocatalysts. Notably, it also shows high electrochemical and structural stability.

Graphical abstract: Metal–organic framework-derived shuttle-like V2O3/C for electrocatalytic N2 reduction under ambient conditions

Supplementary files

Article information

Article type
Research Article
Submitted
23 10 2018
Accepted
01 12 2018
First published
04 12 2018

Inorg. Chem. Front., 2019,6, 391-395

Metal–organic framework-derived shuttle-like V2O3/C for electrocatalytic N2 reduction under ambient conditions

R. Zhang, J. Han, B. Zheng, X. Shi, A. M. Asiri and X. Sun, Inorg. Chem. Front., 2019, 6, 391 DOI: 10.1039/C8QI01145A

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