1. Research
Institute of Electrochemical Energy, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan
2. Toyama National
College of Technology, 13, Hongo-machi, Toyama 939-8630, Japan
3. Inorganic
Functional Materials Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Nagoya, Aichi 463-8560, Japan
4. Research
Institute of Energy Frontier, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5-1, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
5. Pacific Northwest
National Laboratory, 902 Battelle Boulevard, Richland, Washington 99352, United States