1. Low Carbon Energy Group, Korea Institute of Industrial Technology, Ulsan 44413, Republic of Korea
2. Department of Materials Science and Engineering, Pusan National University, Busan 46241, Republic of Korea
3. Department of Nano Fusion Technology, Pusan National University, Busan 46241, Republic of Korea
4. Convergence Research Center of Sector Coupling & Integration, Korea Institute of Energy Research, Gujwa-eup, Jeju 63357, Republic of Korea