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Electrochemical properties of lithium/sulfur-polyacrylonitrile-carbon nanotube composite cells using ether-based electrolyte at high rate
- Authors
- Kim, Changhyeon; Wang, Qing; Reddy, N. Subba; Kim, Huihoon; Cho, Gyu-Bong; Ahn, Jou-Hyeon; Kim, Ki-Won; Ryu, Ho-suk; Kim, Youngchul; Yeon, Sun-hwa; Ahn, Hyo-Jun
- Issue Date
- Apr-2015
- Publisher
- 세라믹공정연구센터
- Keywords
- Composites; Electrochemical properties; Energy storage
- Citation
- Journal of Ceramic Processing Research, v.16, no.2, pp 199 - 202
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
KCI
- Journal Title
- Journal of Ceramic Processing Research
- Volume
- 16
- Number
- 2
- Start Page
- 199
- End Page
- 202
- ISSN
- 1229-9162
2672-152X
- Abstract
- A sulfur-polyacrylonitrile-carbon nanotube (SPANC) composite is prepared by mixing and heat treatment of sulfur, polyacrylonitrile, and carbon nanotubes, with a high sulfur content of 61.94 wt%. The electrochemical properties of a Li/SPANC cell are investigated using 1,2-dimethoxyethan (ethylene glycol dimethyl ether, DME) and 1,3-dioxlane (ethylene glycol methylene ether, DOL) electrolytes. The Li/SPANC cell using the ether-based electrolytes shows high first discharge capacity of 1,037 mAh g(-1) at a rate of 0.1 C. And at a high rate of 1 C, it presents excellent cyclability, yielding a first discharge capacity of 500 mAh g(-1) and retaining 80% of this capacity at the 100th cycle.
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