Topic: Electrochemical Transformation of CO2 for Sustainable Chemical Production

The electrochemical transformation of carbon dioxide (CO₂) offers a compelling pathway toward sustainable chemical production by directly coupling renewable electricity with carbon utilization. Beyond the generation of simple one-carbon (C₁) products, recent advances have enabled the selective synthesis of value-added chemicals, including multicarbon hydrocarbons, oxygenates, and other functional intermediates, positioning CO₂ electroreduction as a transformative platform for future chemical manufacturing. Despite significant progress, critical challenges remain in achieving high product selectivity, energy efficiency, and long-term operational stability under industrially relevant conditions. Addressing these challenges requires a fundamental understanding of reaction pathways, interfacial phenomena, and structure-function relationships across catalyst, electrode, and reactor length scales. This Special Issue aims to highlight recent breakthroughs and emerging concepts in the electrochemical transformation of CO₂, spanning catalyst and electrode design, mechanistic investigations, operando characterization techniques, theoretical modeling, and system-level integration. By bringing together fundamental insights and applied advances, this collection seeks to provide a comprehensive perspective on how electrochemical CO₂ conversion can evolve from laboratory-scale demonstrations to practical and scalable solutions for sustainable chemical production.

Electrochemical CO₂ conversion; Sustainable chemical production; CO₂ valorization; Electrocatalysis; Reaction selectivity; Catalyst and electrode design; Operando characterization