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

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

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

2013

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

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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