What question did this study set out to answer?

This research aims to enhance the electrochemical conversion of CO2 to CO using a novel Fe-porphyrin-based metal-organic framework as a catalyst.

Electrochemical Reduction of CO2 to CO by a Heterogeneous Catalyst of Fe–Porphyrin-Based Metal–Organic Framework

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Randomized trial demonstrates high catalytic performance for CO2 reduction in aqueous solution, suggesting efficiency for carbon capture.

This research aims to enhance the electrochemical conversion of CO2 to CO using a novel Fe-porphyrin-based metal-organic framework as a catalyst.
Introduced a 3D stable porphyrin-based MOF, PCN-222(Fe), using a dip-coating method.
Conducted electrolysis in CO2-saturated 0.5 M KHCO3 aqueous solution.
Evaluated the catalyst's performance metrics such as overpotential, faradaic efficiency, and turnover frequency.
The catalyst exhibited a 494 mV overpotential with a current density of 1.2 mA cm–2 and maximum faradaic efficiency for CO production at 91%.
After 10 hours at −0.60 V, the catalyst maintained average faradaic efficiency of 80.4%, producing 334 μmol of CO.
Demonstrated a turnover frequency of 0.336 site–1 s–1 during initial evaluations and 0.012 s–1 after prolonged electrolysis.

Dong et al. (2018) studied this question.

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View Full Paper

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Authors

Randomized trial demonstrates high catalytic performance for CO2 reduction in aqueous solution, suggesting efficiency for carbon capture.

This research aims to enhance the electrochemical conversion of CO2 to CO using a novel Fe-porphyrin-based metal-organic framework as a catalyst.
Introduced a 3D stable porphyrin-based MOF, PCN-222(Fe), using a dip-coating method.
Conducted electrolysis in CO2-saturated 0.5 M KHCO3 aqueous solution.
Evaluated the catalyst's performance metrics such as overpotential, faradaic efficiency, and turnover frequency.
The catalyst exhibited a 494 mV overpotential with a current density of 1.2 mA cm–2 and maximum faradaic efficiency for CO production at 91%.
After 10 hours at −0.60 V, the catalyst maintained average faradaic efficiency of 80.4%, producing 334 μmol of CO.
Demonstrated a turnover frequency of 0.336 site–1 s–1 during initial evaluations and 0.012 s–1 after prolonged electrolysis.

Dong et al. (2018) studied this question.

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