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Modeling of a microfluidic electrochemical cell for CO2 utilization and fuel production

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  • Wang, Huizhi
  • Leung, Dennis Y.C.
  • Xuan, Jin

Abstract

A numerical model for a microfluidic electrolytic cell (MEC) for CO2 utilization and fuel production is developed and validated against experimental data in literature. Mass transfer and electrochemical characteristics at the cathode of the MEC are studied. Limiting factors to the cell performance are found to be (i) low diffusivity of CO2 in the porous electrode, (ii) competing hydrogen evolution reaction (HER) at the cathode and (iii) dilution effect of hydrogen. Parametric effects are also studied to find strategies to optimize the cell performance.

Suggested Citation

  • Wang, Huizhi & Leung, Dennis Y.C. & Xuan, Jin, 2013. "Modeling of a microfluidic electrochemical cell for CO2 utilization and fuel production," Applied Energy, Elsevier, vol. 102(C), pages 1057-1062.
    • Handle: RePEc:eee:appene:v:102:y:2013:i:c:p:1057-1062
    DOI: 10.1016/j.apenergy.2012.06.020
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    References listed on IDEAS

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    1. Xuan, Jin & Leung, Michael K.H. & Leung, Dennis Y.C. & Wang, Huizhi, 2012. "Laminar flow-based fuel cell working under critical conditions: The effect of parasitic current," Applied Energy, Elsevier, vol. 90(1), pages 87-93.
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    Cited by:

    1. Wang, Yifei & Leung, Dennis Y.C., 2016. "A circular stacking strategy for microfluidic fuel cells with volatile methanol fuel," Applied Energy, Elsevier, vol. 184(C), pages 659-669.
    2. Tian, Di & Qu, Zhiguo & Zhang, Jianfei, 2023. "Electrochemical condition optimization and techno-economic analysis on the direct CO2 electroreduction of flue gas," Applied Energy, Elsevier, vol. 351(C).
    3. Lu, Xu & Leung, Dennis Y.C. & Wang, Huizhi & Maroto-Valer, M. Mercedes & Xuan, Jin, 2016. "A pH-differential dual-electrolyte microfluidic electrochemical cells for CO2 utilization," Renewable Energy, Elsevier, vol. 95(C), pages 277-285.
    4. Tufa, Ramato Ashu & Chanda, Debabrata & Ma, Ming & Aili, David & Demissie, Taye Beyene & Vaes, Jan & Li, Qingfeng & Liu, Shanhu & Pant, Deepak, 2020. "Towards highly efficient electrochemical CO2 reduction: Cell designs, membranes and electrocatalysts," Applied Energy, Elsevier, vol. 277(C).
    5. Grace, Andrews Nirmala & Choi, Song Yi & Vinoba, Mari & Bhagiyalakshmi, Margandan & Chu, Dae Hyun & Yoon, Yeoil & Nam, Sung Chan & Jeong, Soon Kwan, 2014. "Electrochemical reduction of carbon dioxide at low overpotential on a polyaniline/Cu2O nanocomposite based electrode," Applied Energy, Elsevier, vol. 120(C), pages 85-94.
    6. Lu, Xu & Leung, Dennis Y.C. & Wang, Huizhi & Xuan, Jin, 2018. "Microfluidics-based pH-differential reactor for CO2 utilization: A mathematical study," Applied Energy, Elsevier, vol. 227(C), pages 525-532.
    7. Wang, Yifei & Leung, Dennis Y.C. & Xuan, Jin & Wang, Huizhi, 2017. "A review on unitized regenerative fuel cell technologies, part B: Unitized regenerative alkaline fuel cell, solid oxide fuel cell, and microfluidic fuel cell," Renewable and Sustainable Energy Reviews, Elsevier, vol. 75(C), pages 775-795.
    8. Edwards, Jonathan P. & Xu, Yi & Gabardo, Christine M. & Dinh, Cao-Thang & Li, Jun & Qi, ZhenBang & Ozden, Adnan & Sargent, Edward H. & Sinton, David, 2020. "Efficient electrocatalytic conversion of carbon dioxide in a low-resistance pressurized alkaline electrolyzer," Applied Energy, Elsevier, vol. 261(C).
    9. Lu, Xu & Leung, Dennis Y.C. & Wang, Huizhi & Xuan, Jin, 2017. "A high performance dual electrolyte microfluidic reactor for the utilization of CO2," Applied Energy, Elsevier, vol. 194(C), pages 549-559.

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