Efficient Electrochemical Reduction of Carbon Dioxide to Acetate on Nitrogen-Doped Nanodiamond

Journal of the American Chemical Society
Yanming LiuHongtao Yu

Abstract

Electrochemical reduction of CO2 is an attractive technique for reducing CO2 emission and converting it into useful chemicals, but it suffers from high overpotential, low efficiency or poor product selectivity. Here, N-doped nanodiamond/Si rod array (NDD/Si RA) was proposed as an efficient nonmetallic electrocatalyst for CO2 reduction. It preferentially and rapidly converted CO2 to acetate over formate with an onset potential of -0.36 V (vs RHE), overcoming the usual limitation of low selectivity for C2 products. Moreover, faradic efficiency of 91.2-91.8% has been achieved for CO2 reduction at -0.8 to -1.0 V. Its superior performance for CO2 reduction can be attributed to its high overpotential for hydrogen evolution and N doping, where N-sp(3)C species was highly active for CO2 reduction. Electrokinetic data and in situ infrared spectrum revealed the main pathway for CO2 reduction might be CO2 → CO2(•-) → (COO)2(•) → CH3COO(-).

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Citations

Dec 20, 2015·ACS Applied Materials & Interfaces·Nianjun YangXin Jiang
Mar 25, 2017·Angewandte Chemie·Guigao LiuJinhua Ye
Mar 17, 2017·Annual Review of Physical Chemistry·Stefan IlicKsenija D Glusac
Jan 24, 2018·Angewandte Chemie·Sabine MöhleSiegfried R Waldvogel
Dec 5, 2017·Advanced Science·Jinghua WuYanguang Li
May 31, 2018·Chemistry, an Asian Journal·Guanghui FengYuhan Sun
Aug 21, 2018·Angewandte Chemie·Muhammad Arsalan GhausiLiming Dai
Oct 30, 2018·Chemical Society Reviews·Yangming LinSiglinda Perathoner
Dec 28, 2017·Proceedings of the National Academy of Sciences of the United States of America·Ying WangThomas J Meyer
Jul 5, 2019·Advanced Materials·Hao-Lin WuLi-Zhu Wu
Oct 10, 2018·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Zhipeng ChenLicheng Liu
Sep 19, 2019·Chemistry : a European Journal·Yongqiang ZhaoShizhang Qiao
Apr 3, 2020·Angewandte Chemie·Chunjun ChenBuxing Han
Apr 14, 2020·Angewandte Chemie·Wolfgang SchoefbergerSoumyajit Roy
Sep 12, 2017·Advanced Materials·Xiaochuan DuanShixue Dou
Aug 12, 2020·Chemical Society Reviews·Young Jin SaYun Jeong Hwang
Nov 10, 2017·ChemSusChem·Paola LanzafameSiglinda Perathoner
Nov 18, 2018·Chemical Society Reviews·Nianjun YangXin Jiang
Nov 30, 2019·Nature Communications·Xue WangEdward H Sargent

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