1. Nanostructured Renewable Energy Materials Laboratory, Faculty of Industrial Sciences & Technology, University Malaysia Pahang, Kuantan, 26300 Pahang, Malaysia
2. Department of Ceramic Engineering, IIT-BHU, Banaras Hindu University Campus, Varanasi, Uttar Pradesh 221005, India
3. Battery Research Center of Green Energy, Ming Chi University of Technology, New Taipei City 243, Taiwan ROC