1. Institute for Solid State Physics, The University of Tokyo, Koto, Sayo, Hyogo 679-5148, Japan
2. Department of Advanced Materials Science, Kagawa University, Takamatsu, Kagawa 761-0396, Japan
3. Global Zero Emission Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
4. Research Institute for Energy Conservation, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
5. AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa, Chiba 277-8565, Japan