1. International
Institute for Carbon-Neutral Energy Research, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
2. Faculty
of Engineering, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
3. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
4. Next-Generation Fuel Cell Research Center
(NEXT-FC), Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
5. International Research Center for Hydrogen
Energy, Kyushu University, Nishi-ku, Fukuoka, 819-0395, Japan
6. School
of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, United Kingdom
7. Department
of Mechanical Engineering, University of Sheffield, Sheffield S10 2TN, United Kingdom