500W-Class Solid Oxide Fuel Cell (SOFC) Stack Operating with CH4 at 650oC Developed by Korea Institute of Science and Technology (KIST) and Ssangyong Materials - Kyung Joong Yoon; Park Jeong Yong; Park Sun-Young; Park Subyung; Kim, Hae-Ryoung; Lee, Jong Ho; Je, Hae June; Kim, Byung Kook; Ji-Won Son; Lee, Hae-Weon; Jun Lee; Ildoo Hwang; et al. (26 - 29 June 2012, Lucerne Switzerland)