Characteristics of a Plasticized PVA-Based Polymer Electrolyte Membrane and H+ Conductor for an Electrical Double-Layer Capacitor: Structural, Morphological, and Ion Transport Properties - Brza, Mohamad A.; Aziz, Shujahadeen; Anuar, Hazleen; Alshehri, Saad M; Ali, Fathilah; Ahamad, Tansir; Hadi, Jihad M. (Multidisciplinary Digital Publishing Institute (MDPI), 2021)