1. Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
2. Research Unit for Power Generation and Storage Materials, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
3. Venture Business Laboratory (VBL), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
4. Department of Chemistry & Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
5. Japan Science and Technology Agency (JST), PRESTO, 4-1-8 Honchi, Kawaguchi, Saitama 332-0012, Japan
6. Research Unit for Development of Organic Superconductors, Ehime University, 2-5 Bunkyo-cho, Matsuyama 790-8577, Japan
7. Research Institute of Electrochemical Energy, National Institute of Advanced Industrial Science and Technology (AIST) 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
8. Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan