1. Hydrogen
Research Center, Korea Institute of Energy Research (KIER), 152
Gajeong-ro, Yuseong-gu, Daejeon, 305-343, Republic of Korea
2. Department
of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, Republic of Korea