1. School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-Ro, Buk-gu, Gwangju 61005, Republic of Korea
2. International Future Research Center of Chemical Energy Storage and Conversion Processes (ifRC-CHESS), GIST, 123 Cheomdangwagi-Ro, Buk-gu, Gwangju 61005, Republic of Korea
3. Ertl Center for Electrochemistry and Catalysis, GIST, 123 Cheomdangwagi-Ro, Buk-gu, Gwangju 61005, Republic of Korea
4. National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA
5. Center for Synchrotron Radiation Research, Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
6. Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
7. Center for Research Equipment, Korea Basic Science Institute (KBSI), 169-148 Gwahak-ro, Yuseong-gu, Daejeon 34133, Republic of Korea
8. Research Center for Materials Analysis, KBSI, 169-148 Gwahak-ro, Yuseong-gu, Daejeon 34133, Republic of Korea