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Electrochemical Properties of Tin-Encapsulated Graphite as Anode in Lithium-Ion Batteries

sSn으로 캡슐화된 그라파이트 복합체의 리튬이온전지 부극 특성

  • ;
  • G. X. Wang (ISEM/University of Wollongong, Australia)
  • 안중호 (안동대학교 신소재공학부) ;
  • Published : 2003.02.01

Abstract

The Sn - graphite composites were prepared by chemical encapsulation method for anode materials in Li-ion batteries. EDS and XRD analysis confirmed the presence of Sn in the graphite structure. Cyclic voltammometry (CV) measurement shows extra reduction and oxidation peaks, which might to be related to the formations of $Li_xSn$ alloy compounds. Graphite-tin composite electrodes demonstrated higher Lithium storage capacities than graphite electrodes. Due to the nature of fine Sn particles on graphite surface, the graphite-tin composite electrodes have shown a good cycle properties.

Keywords

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