Rajan Jose is Chair Professor in the Battery Research Center of Green Energy at Ming Chi University of Technology, New Taipei City, Taiwan. His current research interests include renewable energy devices, sustainable materials, circular economy, data science, and artificial intelligence. Fabian Ezema is a Professor at the University of Nigeria, Nsukka, and a visiting professor to NRS-EMT (MATECSS UNESCO Chair) in Varennes, Quebec, Canada and iThemba Labs South Africa. He is also a Fellow of UNESCO-UNISA South Africa Chair in Nanosciences and Nanotechnology (U2ACN2). His research interests are in several areas of materials science including synthesis and characterization of particles and thin film materials through chemical routes with emphasis on energy applications.