1. Department of Energy and Environment Research Institute of Electrochemical Energy (REICEN) National Institute of Advanced Industrial Science and Technology (AIST) 1-8-31 Midorigaoka, Ikeda Osaka 563-8577 Japan
2. Department of Applied Chemistry Faculty of Science and Technology Keio University 3-14-1 Hiyoshi, Kohoku-ku Yokohama Kanagawa 223-8522 Japan
3. Organization for Promotion of Tenure Track University of Miyazaki Nishi 1-1 Gakuen-Kibanadai Miyazaki 889-2192 Japan
4. Graduate School of Engineering University of Miyazaki Nishi 1–1 Gakuen-Kibanadai Miyazaki 889-2192 Japan