1. Department of Mechanical Engineering, Kyushu University, Fukuoka 819-0395, Japan
2. Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka 816-8580, Japan
3. Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China
4. Department of Aeronautics and Astronautics, Kyushu University, Fukuoka 819-0395, Japan
5. International Institute for Carbon-Neutral Energy Research, Kyushu University, Fukuoka 819-0395, Japan