*Miura Takahiro¹, Noriaki Watanabe¹, Kiyotoshi Sakaguchi¹, Ryota Goto, Kota Yamane, Takeshi Komai¹, Youqing CHEN², Takuya ISHIBASHI³, Noriyoshi Tsuchiya¹ (1. Graduate School of Environmental Studies, Tohoku University, 2.Graduate School of Energy Science, Kyoto University, 3.AIST, FREA)

*Kazuki Sawayama¹, Fei Jiang², Takuya ISHIBASHI³, Takeshi Tsuji⁴, Yasuhiro Fujimitsu⁴ (1.Department of Earth Resources Engineering, Graduate school of engineering, Kyushu University, 2.Department of Mechanical Engineering, Faculty of Engineering, Yamaguchi University, 3.Fukushima Renewable Energy Institute, National Institute of Advanced Industrial Science and Technology, 4.Department of Earth Resources Engineering, Faculty of engineering, Kyushu University)