Phase engineering of metal nanocatalysts for electrochemical CO<sub>2</sub> reduction

Zhai Yanjie; Han Peng; Yun Qinbai; Ge Yiyao; Zhang Xiao; Chen Ye; Zhang Hua

doi:10.1016/j.esci.2022.09.002

Volume 2 Issue 5

Sep. 2022

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Zhai Yanjie, Han Peng, Yun Qinbai, Ge Yiyao, Zhang Xiao, Chen Ye, Zhang Hua. Phase engineering of metal nanocatalysts for electrochemical CO2 reduction[J]. eScience, 2022, 2(5): 467-485. doi: 10.1016/j.esci.2022.09.002

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Zhai Yanjie, Han Peng, Yun Qinbai, Ge Yiyao, Zhang Xiao, Chen Ye, Zhang Hua. Phase engineering of metal nanocatalysts for electrochemical CO₂ reduction[J]. eScience, 2022, 2(5): 467-485. doi: 10.1016/j.esci.2022.09.002

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Phase engineering of metal nanocatalysts for electrochemical CO₂ reduction

doi: 10.1016/j.esci.2022.09.002

Zhai Yanjie^{a, 1},
Han Peng^{b, 1},
Yun Qinbai^c,
Ge Yiyao^c,
Zhang Xiao^{a
,
,},
Chen Ye^{b
,
,},
Zhang Hua^{c, d, e
,
,}

a.
Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
b.
Department of Chemistry, The Chinese University of Hong Kong, Hong Kong, China
c.
Department of Chemistry, City University of Hong Kong, Hong Kong, China
d.
Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
e.
Shenzhen Research Institute, City University of Hong Kong, Shenzhen 518057, China

More Information

Corresponding author: E-mail address: xiao1.zhang@polyu.edu.hk (X. Zhang); E-mail address: yechen@cuhk.edu.hk (Y. Chen); E-mail address: hua.zhang@cityu.edu.hk (H. Zhang)
Received Date: 2022-05-31
Revised Date: 2022-08-07
Accepted Date: 2022-09-19

Available Online: 2022-09-24

Abstract

Abstract

The electrochemical CO₂ reduction reaction (CO₂RR) offers a green and sustainable process to convert CO₂ into valuable chemical stocks and fuels. Metal is one of the most promising types of catalysts to drive an efficient and selective CO₂RR. The catalytic performance of metal nanocatalysts is strongly dependent on their structural features. Recently, phase engineering of nanomaterials (PEN) has emerged as a prominent tactic to regulate the catalytic performance of metal nanocatalysts for the CO₂RR. A broad range of metal nanocatalysts with conventional and unconventional crystal phases has been developed, and remarkable achievements have been made. This review summarizes the most recent developments in phase engineering of metal nanocatalysts for the electrochemical CO₂RR. We first introduce the different crystal phases of metal nanocatalysts used in the CO₂RR and then discuss various synthetic strategies for unconventional phases of metal nanocatalysts. After that, detailed discussions of metal nanocatalysts with conventional and unconventional phases, including amorphous phases, are presented. Finally, the challenges and perspectives in this emerging area are discussed.
- Phase engineering,
- CO₂ reduction,
- Metal nanocatalysts,
- Electrocatalysis

● Phase engineering of nanomaterials (PEN) emerges as a promising tactic to regulate their electrocatalytic performances.
● Challenges and perspectives towards phase engineering of metal nanocatalysts for electrochemical CO₂ reduction were proposed.
● Recent development in phase engineering of metal nanocatalysts for electrochemical CO₂ reduction reaction was summarized.
X. Zhang, Y. Chen, and H. Zhang proposed the concept. Y. J. Zhai and P. Han co-wrote the manuscript. All authors revised the manuscript.
Author contributions
The authors declare no competing financial interests.
Declaration of competing interest
¹ These authors contribute equally.

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