1. i-Powered Energy System Research Center (i-PERC), The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu 182-8585, Tokyo, Japan
2. Graduate School of Informatics and Engineering, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu 182-8585, Tokyo, Japan
3. Department of Polymers Chemistry and Technology, Kaunas University of Technology, Radvilenu Plentas 19, Kaunas LT50254, Lithuania
4. School of Energy Systems Engineering, Chung-Ang University, Seoul 06974, Republic of Korea