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Sn-Based Chalcogenide Composite as a High-Capacity Anode Material for Lithium Rechargeable Batteries
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- Authors
- Youngmin Lee, Suk-Rok Bae, Bong Je Park, Dong Wook Shin, Woon Jin Chung, Yong-Mook Kang
- Issue Date
- 2012-12
- Citation
- Journal of the American Ceramic Society, v.95, no.7, pp.2272-2276
- ISSN
- 0002-7820
- Publisher
- Wiley-Blackwell
- Language
- English
- Type
- Journal Article
- Abstract
- Sn-based chalcogenide composites (TCC) were synthesized as high-capacity anode materials. SnS formed within TCCs is an active center for Li-intercalation. Electrochemical cycling shows that the Sn-Ge-S matrix suppresses the volume expansion that can arise from alloying between Sn and Li as well as the grain growth associated with the low melting temperature of Sn. Sn-Ge-S complex phases in an amorphous state can contribute to the high capacity of Sn:Ge-S (6:4 m/m), possibly suppressing the agglomeration and pulverization of Sn. © 2012 The American Ceramic Society.
- KSP Keywords
- Amorphous state, High-capacity anode, Li-intercalation, Low melting temperature, Melting temperature(Tm), Volume expansion, active center, anode materials, electrochemical cycling, grain growth, lithium rechargeable batteries