Synthesis and Electrochemical Characterization of Ellipsoid-Like Hierarchical ZnO Structures for Supercapacitor Applications. - KESKİN, Özgür Yasin (Afyon Kocatepe University Journal of Science & Engineering / Afyon Kocatepe Üniversitesi Fen Ve Mühendislik Bilimleri Dergisi, 2026)