1. Advanced Technology Research Laboratories, R & D Laboratories Nippon Steel Corporation Chiba Japan
2. Department of Hydrogen Energy Systems, Graduate School of Engineering Kyushu University Fukuoka Japan
3. Advanced Technology Research Laboratories, R & D Laboratories Nippon Steel Corporation Amagasaki Japan
4. Department of Mechanical Engineering, Faculty of Engineering Kyushu University Fukuoka Japan
5. International Institute for Carbon‐Neutral Energy Research (I2CNER) Kyushu University Fukuoka Japan