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The study aims to enhance the electrochemical reduction of CO2 to formic acid using a single-atom alloy catalyst.

March 8, 2026

Promoted CO₂ Electrolysis to Formic Acid Using Single Atom Cobalt Alloyed Tin.

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The study aims to enhance the electrochemical reduction of CO2 to formic acid using a single-atom alloy catalyst.
Use of a single-atom alloy catalyst comprising cobalt in a tin matrix (Co1Sn)
Assessment of electrochemical performance through current densities and selectivity measurements
Integration in a porous solid electrolyte reactor for continuous production
Co1Sn achieves up to 99% formate selectivity at current densities exceeding -1 A cm-2
Maintained >92% selectivity across varying current densities from -100 to -1000 mA cm-2
Continuous production of formic acid for 130 hours at -50 mA cm-2 with an FEHCOOH of ∼95%

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Electrocatalyst demonstrates high formate selectivity in CO2 reduction, suggesting efficient hydrogen evolution methods.

Xue et al. (2026) studied this question.

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