Hierarchical Interfacial Engineering of Gas Diffusion Electrodes for Acidic CO2 Electroreduction in Membrane Electrode Assemblies.
Acidic CO2 electroreduction in membrane electrode assemblies suppresses parasitic carbonate formation and improves carbon utilization. Yet, practical implementations remain hindered by proton accumulation and alkali cation buildup that give rise to failure modes associated with hydrogen evolution, salt precipitation, a...