1. Mechanical EngineeringFukuoka University Fukuoka Japan
2. Hydrogen Materials CompatibilityInternational Institute for Carbon‐Neutral Energy Research (WPI‐I2CNER), Kyushu University Fukuoka Japan
3. H2 Energy World Business UnitK. K. Air Liquide Laboratories Tsukuba Japan
4. R&D Scientific DirectionAir Liquide R&D Centre de Recherches Paris‐Saclay Les Loges‐en‐Josas France
5. Materials, Design & Manufacturing GroupAir Liquide R&D Centre de Recherches Paris‐Saclay Les Loges‐en‐Josas France