1. Department
of Material and Biological Chemistry, Faculty of Science, Yamagata University, 1-4-12 Kojirakawa-machi, Yamagata 990-8560, Japan
2. Power Engineering R & D Center, Kansai Electric Power Co. Inc., 3-11-20 Nakoji, Amagasaki, Hyogo 661-0974, Japan
3. Advanced
Technology
Research Center, Mitsubishi Heavy Industries Ltd., 1-8-1 Sachiura, Kanazawa-ku, Yokohama 236-8515, Japan
4. Hiroshima Research & Development Center, Mitsubishi Heavy Industries Ltd. 6-22, 4-chome, Kan-on-shin-machi, Nishi-ku, Hiroshima 733-8553, Japan
5. Institute
of Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan