1. Department of Energy and Resources Engineering, Korea Maritime and Ocean University, Yeongdo-Gu, Busan 49112, South Korea e-mail:
2. Energy Innovation Partners, Yeongdeungpo-Gu, Seoul 07326, South Korea e-mail:
3. Professor Department of Energy and Resources Engineering, Korea Maritime and Ocean University, Yeongdo-Gu, Busan 49112, South Korea e-mail: