1. Advanced Battery Research CenterKorea Electronics Technology Institute (KETI), #68 Yatap-dong, Bundang-gu, Seongnam-si 463-816, Korea
2. Department of Metal EngineeringPukyong National University, 365 Sinseon-ro, Busan 608-739, Korea
3. Department of Nuclear and Energy System EngineeringDongguk University, 707 Seokjang-Dong, Gyeongju 780-714, Korea