SEARCH Articles Figures Tables Conductance electronic Conducting electrons Conduction electrons Conductivity mixed Conductivity protonic Conductivity: electronic Electron conductance Electron conductivity Electron mixed Electron proton Electron protonation Electronic conduction Electronic/protonic conductivity Electronically conducting Electronics conduction Mixed conduction Mixed electronic and protonic conductivity Mixed protonic-electronic Mixed protonic-electronic conducting Mixed protonic-electronic conducting materials Mixed protonic-electronic conducting membrane Mixed protonic-electronic conducting perovskite membrane Mixed proton—electron conducting Mixed proton—electron conducting materials Mixed proton—electron conducting oxide Mixing conductivities PROTON CONDUCTING Proton conductance Proton conduction Proton conductivity protons Protonic conducting Protonic conduction