Cu-Ag interactions in bimetallic Cu-Ag catalysts enhance C₂₊ product formation during electrochemical CO reduction.

ABSTRACT: The electroreduction of CO (CORR) is a promising alternative to the direct CO₂ electroreduction reaction (CO2RR) to produce C₂₊ products. Cu-based electrocatalysts enable the formation of C-C bonds, leading to various C₂₊ hydrocarbon and oxygenate products. Herein, we investigated how the composition of bimetallic Cu-Ag catalysts impacted the nature of the Cu-Ag interactions and the product distribution of the CORR, aiming to improve the selectivity to C₂₊ products. Cu-Ag catalysts containing 1-50 mol% Ag were prepared by sol-gel synthesis. A Ag content of 10 mol% of Ag (Cu_0.9Ag_0.1) was optimum with respect to increasing the C₂₊ product selectivity and suppressing H₂ evolution. Operando X-ray abs

SUBMITTER: Rollier FA 

PROVIDER: S-EPMC11639664 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature