1. Department
of Materials Science and Engineering, Yonsei University 134 Shinchon-dong, Seodaemoon-gu, Seoul 120-749, Republic of Korea
2. Advanced
Battery Materials Team, GS Energy, 50, Seongnae-ro 6-gil, Gangdong-gu, Seoul, Republic of Korea
3. Energy Efficient Materials Team, Energy & Environmental Division, Korea Institute of Ceramic Engineering & Technology, 233-5 Gasan-Dong, Guemcheon-Gu, Seoul 153-801, Republic of Korea