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

Huizhi Wang; Dennis Y C Leung; Jin Xuan

doi:10.1016/j.apenergy.2012.06.020

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

Huizhi Wang, Dennis Y C Leung^*, Jin Xuan

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

57 Citations (Scopus)

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.

Original language	English
Pages (from-to)	1057-1062
Number of pages	6
Journal	Applied Energy
Volume	102
DOIs	https://doi.org/10.1016/j.apenergy.2012.06.020
Publication status	Published - 1 Jan 2013

Keywords

Carbon reduction
Electrolytic cell
Microfluidics
Modeling

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10.1016/j.apenergy.2012.06.020

Cite this

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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.",

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author = "Huizhi Wang and Leung, {Dennis Y C} and Jin Xuan",

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AB - 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.

KW - Carbon reduction

KW - Electrolytic cell

KW - Microfluidics

KW - Modeling

U2 - 10.1016/j.apenergy.2012.06.020

DO - 10.1016/j.apenergy.2012.06.020

M3 - Article

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JO - Applied Energy

JF - Applied Energy