CO2 Reduction Selective for C≥2 Products on Polycrystalline Copper with N-Substituted Pyridinium Additives.
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ABSTRACT: Electrocatalytic CO2 reduction to generate multicarbon products is of interest for applications in artificial photosynthetic schemes. This is a particularly attractive goal for CO2 reduction by copper electrodes, where a broad range of hydrocarbon products can be generated but where selectivity for C-C coupled products relative to CH4 and H2 remains an impediment. Herein we report a simple yet highly selective catalytic system for CO2 reduction to C≥2 hydrocarbons on a polycrystalline Cu electrode in bicarbonate aqueous solution that uses N-substituted pyridinium additives. Selectivities of 70-80% for C2 and C3 products with a hydrocarbon ratio of C≥2/CH4 significantly greater than
SUBMITTER: Han Z
PROVIDER: S-EPMC5571460 | biostudies-literature | 2017 Aug
REPOSITORIES: biostudies-literature
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