Efficient electrochemical CO2 reduction on a unique chrysanthemum-like Cu nanoflower electrode and direct observation of carbon deposite
Publication type: Journal Article
Publication date: 2014-09-01
scimago Q1
wos Q1
SJR: 1.106
CiteScore: 10.6
Impact factor: 5.6
ISSN: 00134686, 18733859
General Chemical Engineering
Electrochemistry
Abstract
The existing Cu-based electrocatalysts for electrochemical reduction of CO 2 to chemical commodities suffer instability and large reaction overpotentials. Here we report a novel Cu nanoflower (NF) catalyst with a unique 3D chrysanthemum-like structure. Derived from CuO NFs, the Cu NFs were found to efficiently catalyze the CO 2 reduction with 400 mV lower overpotential than polycrystalline Cu. Besides, H 2 production was suppressed to be below 25% in terms of Faradaic efficiency in a wide potential window, implying an excellent catalytic selectivity. Prolonged electrolysis showed that the Cu NFs kept a high catalytic activity towards CO 2 reduction for over 9 h. In addition, for the first time, the deposition of amorphous carbon on the electrodes after catalysis was directly observed in this study. The reaction pathways of electrocatalytic CO 2 reduction and the involvement of the surface carbon in this process were elucidated.
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Metrics
128
Total citations:
128
Citations from 2024:
21
(16.41%)
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GOST
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Xie J. F. et al. Efficient electrochemical CO2 reduction on a unique chrysanthemum-like Cu nanoflower electrode and direct observation of carbon deposite // Electrochimica Acta. 2014. Vol. 139. pp. 137-144.
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Xie J. F., Huang Y., Li W., Song X. N., Xiong L., Yang Q. Efficient electrochemical CO2 reduction on a unique chrysanthemum-like Cu nanoflower electrode and direct observation of carbon deposite // Electrochimica Acta. 2014. Vol. 139. pp. 137-144.
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TY - JOUR
DO - 10.1016/j.electacta.2014.06.034
UR - https://doi.org/10.1016/j.electacta.2014.06.034
TI - Efficient electrochemical CO2 reduction on a unique chrysanthemum-like Cu nanoflower electrode and direct observation of carbon deposite
T2 - Electrochimica Acta
AU - Xie, Jia Fang
AU - Huang, Yu-Xi
AU - Li, Wen-Wei
AU - Song, Xiang Ning
AU - Xiong, Lu
AU - Yang, Qi
PY - 2014
DA - 2014/09/01
PB - Elsevier
SP - 137-144
VL - 139
SN - 0013-4686
SN - 1873-3859
ER -
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@article{2014_Xie,
author = {Jia Fang Xie and Yu-Xi Huang and Wen-Wei Li and Xiang Ning Song and Lu Xiong and Qi Yang},
title = {Efficient electrochemical CO2 reduction on a unique chrysanthemum-like Cu nanoflower electrode and direct observation of carbon deposite},
journal = {Electrochimica Acta},
year = {2014},
volume = {139},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016/j.electacta.2014.06.034},
pages = {137--144},
doi = {10.1016/j.electacta.2014.06.034}
}