Citation: Lili Zhang, Hui Gao, Gong Zhang, Yuning Dong, Kai Huang, Zifan Pang, Tuo Wang, Chunlei Pei, Peng Zhang, Jinlong Gong. Cross-section design of the flow channels in membrane electrode assembly electrolyzer for CO₂ reduction reaction through numerical simulations[J]. Chinese Chemical Letters, ;2025, 36(1): 110204. doi: 10.1016/j.cclet.2024.110204 shu

Cross-section design of the flow channels in membrane electrode assembly electrolyzer for CO₂ reduction reaction through numerical simulations

Lili Zhang ^{a, b} ,
Hui Gao ^{a, b} ,
Gong Zhang ^{a, b} ,
Yuning Dong ^{a, b, e} ,
Kai Huang ^{a, b} ,
Zifan Pang ^{a, b} ,
Tuo Wang ^{a, b, c} ,
Chunlei Pei ^{a, b, c, *,} ,
Peng Zhang ^{a, b, c, e, *,} ,
Jinlong Gong ^{a, b, c, d}

a.
Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
b.
Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
c.
Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
d.
National Industry-Education Platform of Energy Storage, Tianjin University, Tianjin 300350, China
e.
Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Fuzhou 350207, China

chunlei.pei@tju.edu.cn

p_zhang@tju.edu.cn

Received Date: 10 April 2024
Revised Date: 30 June 2024
Accepted Date: 2 July 2024
Available Online: 6 July 2024

Figures(4)

Membrane electrode assembly (MEA) is widely considered to be the most promising type of electrolyzer for the practical application of electrochemical CO₂ reduction reaction (CO₂RR). In MEAs, a square-shaped cross-section in the flow channel is normally adopted, the configuration optimization of which could potentially enhance the performance of the electrolyzer. This paper describes the numerical simulation study on the impact of the flow-channel cross-section shapes in the MEA electrolyzer for CO₂RR. The results show that wide flow channels with low heights are beneficial to the CO₂RR by providing a uniform flow field of CO₂, especially at high current densities. Moreover, the larger the electrolyzer, the more significant the effect is. This study provides a theoretical basis for the design of high-performance MEA electrolyzers for CO₂RR.
- Electrochemical reduction of CO₂,
- Membrane electrode assembly,
- Mass transfer,
- Gas diffusion electrode,
- Computational fluid dynamics
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Cross-section design of the flow channels in membrane electrode assembly electrolyzer for CO2 reduction reaction through numerical simulations

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通讯作者: 陈斌, bchen63@163.com

Cross-section design of the flow channels in membrane electrode assembly electrolyzer for CO₂ reduction reaction through numerical simulations