1. MCAST Energy Research Group, Institute of Engineering and Transport, Malta College of Arts, Science and Technology (MCAST), PLA 9032 Paola, Malta
2. The Foundation for Innovation and Research—Malta, BKR 4012 Birkirkara, Malta
3. Research Center for Transportation Technology, National Research and Innovation Agency (BRIN), KST Samaun Samadikun BRIN, Bandung 40135, Indonesia
4. Inorganic and Physical Chemistry Research Group, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia