Host-Guest Chemistry Creates an Oriented Shuttle Channel to Overcome Mass Transport Limitations in Electrocatalytic Hydrogenation.
Electrocatalytic hydrogenation offers a promising route to value-added chemicals, yet mass transport limitations at industrial current densities remain a critical challenge. Here, we introduce a cyclodextrin-regulated interfacial microenvironment that delivers a Faradaic efficiency (FE) of up to 88% for pyrazine hydrog...