1. Clean
Energy Research Center, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea
2. Division
of Energy and Environmental Technology, KIST School, Korea University of Science and Technology (UST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea