1. Research Institute of Electrochemical EnergyDepartment of Energy and Environment (RIECEN)National Institute of Advanced Industrial Science and Technology (AIST) Ikeda Osaka 563‐8577 Japan
2. Department of ChemistryGraduate School of ScienceOsaka University Toyonaka Osaka 560‐0043 Japan
3. Riken Center for Computational Science Kobe Hyogo 650‐0047 Japan
4. Elements Strategy Initiative for Catalysts and Batteries (ESICB)Kyoto University Kyoto 615‐8245 Japan
5. The Institute of Scientific and Industrial ResearchOsaka University Ibaraki Osaka 567‐0047 Japan
6. NanoScience Design CenterOsaka University Toyonaka Osaka 560‐8531 Japan