A Sn-stabilized Cu ^δ+ electrocatalyst toward highly selective CO₂-to-CO in a wide potential range.

ABSTRACT: Current techno-economic evaluation manifests that the electrochemical CO₂ reduction reaction (eCO₂RR) to CO is very promising considering its simple two-electron transfer process, minimum cost of electricity, and low separation cost. Herein, we report a Sn-modification strategy that can tune the local electronic structure of Cu with an appropriate valence. The as-prepared catalysts can alter the broad product distribution of Cu-based eCO₂RR to predominantly generate CO. CO faradaic efficiency (FE) remained above 96% in the wide potential range of -0.5 to -0.9 V vs. the reversible hydrogen electrode (RHE) with CO partial current density up to 265 mA cm^-2. The catalyst also had remarkable stability. Operando experiments and density functiona

SUBMITTER: Tan X 

PROVIDER: S-EPMC9580469 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature