1. Gwangju Clean Energy Research Center Korea Institute of Energy Research (KIER) 270‐25 Samso‐ro Gwangju 61003 Republic of Korea
2. Graduate School of Energy Convergence Gwangju Institute of Science and Technology (GIST) 123 Cheomdangwagi‐ro, Buk‐gu Gwangju 61005 Republic of Korea
3. School of Mechanical Engineering Kunsan National University 558, Daehak‐ro, Gunsan‐si Jeonbuk‐do Republic of Korea
4. Department of Materials Science and Engineering Chonnam National University 77 Yongbong‐ro, Buk‐gu Gwangju 61186 Republic of Korea
5. Department of Nanotechnology Engineering Pukyoung National University 45 Yongso‐ro Nam‐gu Busan 48547 Republic of Korea
6. Fuel Cell Research & Demonstration Center Korea Institute of Energy Research Buan‐gun Jellabuk‐do Republic of Korea
7. Department of Energy Engineering School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 8252 Republic of Korea