Abstract Bubble behavior critically governs overpotentials and mass transport in electrochemical gas evolution reactions. Existing bubble engineering frameworks are largely built on the assumption of mechanically static, rigid electrode interfaces. The introduction of flexible electrodes challenges this premise: elastic deformation induced during bubble growth and detachment dynamically couples wetting states, contact line dynamics, and interfacial transport, thereby reshaping the physical picture of reaction interfaces. This Perspective focuses on flexible superwetting electrodes and examines how mechanical compliance alters bubble detachment, electrolyte renewal, and bubble growth kinetics, and how these effects collectively regulate reaction overpotentials. By highlighting a shift from static structural optimization to dynamic interfacial control, this work offers new insights for the rational design of flexible electrochemical electrodes.
Wang et al. (Fri,) studied this question.