Affiliation: | 1. School of Chemical Engineering & Bioengineering, University of Ulsan, Ulsan 680-749, Republic of Korea;2. School of Materials Science and Engineering, University of Ulsan, Ulsan 680-749, Republic of Korea;3. Hyundai Motor Company, Fuel Cell Vehicle Team 1, 104 Mabuk-dong, Giheung-Gu, Yongin-Si, Gyeonggi-Do 446-912, Republic of Korea |