1. Corporate R&D Center, Samsung SDI Co. Ltd., Yongin 446-577, South Korea
2. Division of Chemical Engineering, Pukyong National University, Pusan 608-739, Korea
3. Corporate R&D Institute, Samsung Electro-Mechanics Co. Ltd., Suwon 443-743, South Korea
4. School of Display and Chemical Engineering, Yeungnam University, Gyeongsan 712-749, South Korea