Enhancing Proton Conductivity of Sulfonated Poly(ether ether ketone)-Based Membranes by Incorporating Phosphotungstic-Acid-Coupled Graphene Oxide

Constructing long-range proton-transfer pathways with sufficient conducting sites in proton exchange membranes (PEMs) is vital for proton conduction. Herein, phosphotungstic-acid-coupled graphene o...