A scalable method for preparing Cu electrocatalysts that convert

Index

Abstract

This paper presents a scalable method for preparing copper (Cu) electrocatalysts that efficiently convert CO₂ into C₂⁺ products. Anodic halogenation of electropolished Cu foils in halide solutions (KCl, KBr, KI) creates CuCl, CuBr, or CuI surfaces, respectively. Subsequent oxide formation and reduction lead to catalysts with a high density of defect sites and relatively low roughness, crucial for CO₂ conversion to C₂⁺ products. The method achieves faradaic efficiencies up to 72%.

Publisher

Nature Communications

Published On

Jul 17, 2020

Authors

Taehee Kim, G. Tayhas R. Palmore

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