1. Division
of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
2. Paper
Technology Center, Ehime Institute of Industrial Technology, 127 Mendori-cho, Shikokuchuo, Ehime 799-0113, Japan
3. Unit of Elements Strategy Initiative for Catalysts & Batteries (ESICB), Kyoto University, Katsura, Kyoto 615-8520, Japan