Masaki Kobayashi, Hideharu Niwa, Yoshihisa Harada, Koji Horiba, Masaharu Oshima, Hironori Ofuchi, Kiyoyuki Terakura, Takashi Ikeda, Yuka Koshigoe, Jun-ichi Ozaki, Seizo Miyata,
Shigenori Ueda,
Yoshiyuki Yamashita,
Hideki Yoshikawa,
Keisuke Kobayashi.
Journal of Power Sources 196 [20] 8346-8351. 2011.