1. Department
of Environmental Science and Technology, Faculty of Engineering, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
2. Institute
for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
3. Battery Research
Division, Toyota Motor Corporation, 1200 Mishuku, Susono, Shizuoka 410-1193, Japan