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Aqueous electrocatalytic CO2 reduction using metal complexes dispersed in polymer ion gels

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Abstract

We use fac-[Re(bpy)(CO)3Cl] ([Re–Cl]) dispersed in polymer ion gel (PIG) ([Re]–PIG) to carry out electrocatalytic CO2 reduction in water. Electrolysis at −0.68 V vs. RHE in a CO2-saturated KOH and K2CO3 solution produces CO with over 90% Faradaic efficiency. The PIG electrode is readily combined with water oxidation catalysts to generate a full electrochemical cell. Additionally, we provide evidence that the PIG electrode can be implemented with other molecular catalysts.

Graphical abstract: Aqueous electrocatalytic CO2 reduction using metal complexes dispersed in polymer ion gels

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Article information


Submitted
01 Feb 2020
Accepted
11 Mar 2020
First published
16 Mar 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Aqueous electrocatalytic CO2 reduction using metal complexes dispersed in polymer ion gels

S. Sato, B. J. McNicholas and R. H. Grubbs, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC00791A

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