1. Mineral
Resources Research Division, Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, Republic of Korea
2. Department
of Energy and Materials Engineering, Dongguk University—Seoul, Seoul 04620, Republic of Korea
3. Department
of Biological Engineering, Biohybrid Systems Research Center (BSRC), Inha University, Incheon 402-751, Republic of Korea
4. Testing
and Certification Center, Korea Institute of Energy Research (KIER), Daejeon 305-343, Republic of Korea