1. Research Institute of Electrochemical Energy (RIECEN), National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
2. Development Division, Research and Development Group, Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
3. Quality Assurance Department, Electronic Products Division, Nippon Electric Glass Co., Ltd., 906, Ima-cho, Higashi-ohmi, Shiga 521-1295, Japan
4. Nanomaterials Research Institute (NMRI), National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan