Advanced Materials, volume 34, issue 29, pages 2202854

Synergistic Cr 2 O 3 @Ag Heterostructure Enhanced Electrocatalytic CO 2 Reduction to CO

Huai Qin Fu 1
Liu Junxian 1
Nicholas M. Bedford 2
Yun Wang 1
Ji-Wei Sun 3
Yu Zou 1
Mengyang Dong 1
Joshua Wright 4
Hui Diao 5
Porun Liu 1
Hua Gui Yang 3
Huijun Zhao 1
Publication typeJournal Article
Publication date2022-06-10
scimago Q1
SJR9.191
CiteScore43.0
Impact factor27.4
ISSN09359648, 15214095
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
The electrocatalytic CO2RR to produce value-added chemicals and fuels has been recognized as a promising means to reduce the reliance on fossil resources; it is, however, hindered due to the lack of high-performance electrocatalysts. The effectiveness of sculpturing metal/metal oxides (MMO) heterostructures to enhance electrocatalytic performance toward CO2RR has been well documented, nonetheless, the precise synergistic mechanism of MMO remains elusive. Herein, an in operando electrochemically synthesized Cr2O3–Ag heterostructure electrocatalyst (Cr2O3@Ag) is reported for efficient electrocatalytic reduction of CO2 to CO. The obtained Cr2O3@Ag can readily achieve a superb FECO of 99.6% at −0.8 V (vs RHE) with a high JCO of 19.0 mA cm−2. These studies also confirm that the operando synthesized Cr2O3@Ag possesses high operational stability. Notably, operando Raman spectroscopy studies reveal that the markedly enhanced performance is attributable to the synergistic Cr2O3–Ag heterostructure induced stabilization of CO2•−/*COOH intermediates. DFT calculations unveil that the metallic-Ag-catalyzed CO2 reduction to CO requires a 1.45 eV energy input to proceed, which is 0.93 eV higher than that of the MMO-structured Cr2O3@Ag. The exemplified approaches in this work would be adoptable for design and development of high-performance electrocatalysts for other important reactions.
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Fu H. Q. et al. Synergistic Cr 2 O 3 @Ag Heterostructure Enhanced Electrocatalytic CO 2 Reduction to CO // Advanced Materials. 2022. Vol. 34. No. 29. p. 2202854.
GOST all authors (up to 50) Copy
Fu H. Q., Junxian L., Bedford N. M., Wang Y., Sun J., Zou Yu., Dong M., Wright J., Diao H., Liu P., Yang H. G., Zhao H. Synergistic Cr 2 O 3 @Ag Heterostructure Enhanced Electrocatalytic CO 2 Reduction to CO // Advanced Materials. 2022. Vol. 34. No. 29. p. 2202854.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1002/adma.202202854
UR - https://doi.org/10.1002/adma.202202854
TI - Synergistic Cr 2 O 3 @Ag Heterostructure Enhanced Electrocatalytic CO 2 Reduction to CO
T2 - Advanced Materials
AU - Fu, Huai Qin
AU - Junxian, Liu
AU - Bedford, Nicholas M.
AU - Wang, Yun
AU - Sun, Ji-Wei
AU - Zou, Yu
AU - Dong, Mengyang
AU - Wright, Joshua
AU - Diao, Hui
AU - Liu, Porun
AU - Yang, Hua Gui
AU - Zhao, Huijun
PY - 2022
DA - 2022/06/10
PB - Wiley
SP - 2202854
IS - 29
VL - 34
PMID - 35686844
SN - 0935-9648
SN - 1521-4095
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2022_Fu,
author = {Huai Qin Fu and Liu Junxian and Nicholas M. Bedford and Yun Wang and Ji-Wei Sun and Yu Zou and Mengyang Dong and Joshua Wright and Hui Diao and Porun Liu and Hua Gui Yang and Huijun Zhao},
title = {Synergistic Cr 2 O 3 @Ag Heterostructure Enhanced Electrocatalytic CO 2 Reduction to CO},
journal = {Advanced Materials},
year = {2022},
volume = {34},
publisher = {Wiley},
month = {jun},
url = {https://doi.org/10.1002/adma.202202854},
number = {29},
pages = {2202854},
doi = {10.1002/adma.202202854}
}
MLA
Cite this
MLA Copy
Fu, Huai Qin, et al. “Synergistic Cr 2 O 3 @Ag Heterostructure Enhanced Electrocatalytic CO 2 Reduction to CO.” Advanced Materials, vol. 34, no. 29, Jun. 2022, p. 2202854. https://doi.org/10.1002/adma.202202854.
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