1. Institute for Catalysis
2. Hokkaido University
3. Hokkaido
4. Japan
5. Graduate School of Environmental Studies
6. Tohoku University
7. Sendai 980-8579
8. Innovation Research Center for Fuel Cells
9. University of Electro-Communications
10. Tokyo 182-8585
11. Japan Synchrotron Radiation Research Institute (JASRI)