한국전기전자재료학회논문지 (Journal of the Korean Institute of Electrical and Electronic Material Engineers)

  • 제23권9호
  • /
  • Pages.741-746
  • /
  • 2010
  • /
  • 1226-7945(pISSN)
  • /
  • 2288-3258(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
권호 표지
DOI QR코드

DOI QR Code

미소구체를 이용한 3차원 Sn-C 복합체 제조

Fabrication of 3-dimensional Sn-C Composites Using Microsphere

  • Park, Bo-Gun (Department of Advanced Materials Engineering, Kyonggi University) ;
  • Kim, Seuk-Buom (Department of Advanced Materials Engineering, Kyonggi University) ;
  • Park, Yong-Joon (Department of Advanced Materials Engineering, Kyonggi University)
  • 투고 : 2010.05.13
  • 심사 : 2010.08.23
  • 발행 : 2010.09.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

Three-dimensionally ordered macro-porous Sn-C composites were prepared by using polystyrene microsphere as a template. The Sn-C composites were composed of well-interconnected pore with circular shape and wall structure with wall thickness of a few tens of nano-meters. This porous three-dimensional structure is readily and uniformly accessible to the electrolyte, which facilitates lithium ion diffusion during charge-discharge reactions. The wall thickness of the composites was increased as the increase of Sn content of the composite. From EDS analysis, it is confirmed that the Sn was dispersed uniformly in Sn-C composites. The capacity was increased as the Sn content increased, which is due to Sn anode with high capacity. The Sn-C composites with high Sn content showed superior cyclic performances. Such enhancement is ascribed to the thick wall thickness and small pore size of the sample with high Sn content. The Sn-C composite with Sn 30 wt% showed relatively high capacity and stable cycle life, however, the stability of the 3-dimensional structure should be enhanced by further work.

키워드

참고문헌

  1. Y. J. Park, J. KIEEME 19, 737 (2006).
  2. J. H. Ryu, S. B. Kim, and Y. J. Park, J. KIEEME 21, 249 (2008).
  3. X. W. Lou, Y. Wang, C. Yuan, J. Y. Lee, and L. A. Archer, Adv. Mater. 18, 2325 (2006). https://doi.org/10.1002/adma.200600733
  4. H. Zhang, C. Feng, Y. Zhai, K. Jiang, Q. Li, and S. Fan, Adv. Mater. 21, 1 (2009).
  5. J. C. Park, J. Kim, H. Kwon, and H. Song, Adv. Mater. 21, 803 (2009). https://doi.org/10.1002/adma.200800596
  6. J. Seo, J. Jang, S. Park, C. Kim, B. Park, and J. Cheon, Adv. Mater. 20, 4269 (2008). https://doi.org/10.1002/adma.200703122
  7. Y. J. Kwon and J. Cho, Chem. Commun. 1109 (2008).
  8. C. K. Chan, X. F. Zhang, and Y. Cui, Nano Lett. 8, 307 (2008). https://doi.org/10.1021/nl0727157
  9. J. Hassoun, G. Derrien, S. Panero, and B. Scrosait, Adv. Mater. 20, 3169 (2008). https://doi.org/10.1002/adma.200702928
  10. G. cui, L, Gu, L. Zhi, N. Kaskhedikar, P. A. V. Aken, K. Mullen, and J. Maier, Adv. Mater. 20, 3079 (2008). https://doi.org/10.1002/adma.200800586
  11. L. Shi, H. Li, Z. Wang, X. Huang, and L. Chen, J. Mater. Chem. 11, 1502 (2001). https://doi.org/10.1039/b009907o
  12. K. T. Nam, D. Kim, P. J. Yoo, C. Chiang, N. Meethong, P. T. Hammond, Y. Chiang, and A. M. Belcher, Science 312, 885 (2006). https://doi.org/10.1126/science.1122716
  13. Y. S. Jung, K. T. Lee, and S. M. Oh, Electrochem. Acta. 52, 7061 (2007). https://doi.org/10.1016/j.electacta.2007.05.031
  14. W. Zhang, J. Hu, Y. Guo, S. Zheng, and L. Zhong, Adv. Mater. 20, 1160 (2008). https://doi.org/10.1002/adma.200701364
  15. S. Peak, E. Yoo, and I. Honma, Nano Lett. 9, 72 (2009). https://doi.org/10.1021/nl802484w
  16. J. Chen, A. I. Minett, Y. Liu, C. Lynam, P. Sherrell, C. Wang, and G. G. Wallace, Adv. Mater. 20, 566 (2008). https://doi.org/10.1002/adma.200701146