All solid-state rechargeable lithium cells based on nano-sulfur composite cathodes

Xianguo Yu, Jingying Xie, Jun Yang, Ke Wang

Research output: Contribution to journalArticlepeer-review

89 Scopus citations

Abstract

Charge-discharge properties of a new type of all solid-state lithium cell are presented, which comprises a conductive nano-sulfur composite (NSC) cathode, composite polymer electrolyte based on poly(ethylene oxide), LiN(CF 3SO2)2 and nano-sized TiO2 filler and lithium anode. The cell exhibits high discharge capacity up to 600mAhg -1 (referred to the NSC active material, EO/Li = 8 for polymer electrolyte) at the second cycle and about 385mAhg-1 at the 40th cycle at operation temperature of 70°C. The electrochemical characteristics of the nano-composite polymer electrolyte, related to the performance of cells, are also examined in detail.

Original languageEnglish
Pages (from-to)181-186
Number of pages6
JournalJournal of Power Sources
Volume132
Issue number1-2
DOIs
StatePublished - 20 May 2004
Externally publishedYes

Keywords

  • Ceramic filler
  • Poly(ethylene oxide)
  • Polymer electrolyte
  • Rechargeable lithium cells
  • Sulfur-containing composite

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