Inverse vulcanization of elemental sulfur and styrene for polymeric cathodes in Li-S batteries

Yueyan Zhang, Jared J. Griebel, Philip T. Dirlam, Ngoc A. Nguyen, Richard S. Glass, Michael E. Mackay, Kookheon Char, Jeffrey Pyun

Research output: Research - peer-reviewArticle

  • 8 Citations

Abstract

High sulfur content copolymers were prepared via the inverse vulcanization of elemental sulfur with styrene. This reaction was carried out at a relatively low temperature and invokes a new chain transfer mechanism of abstraction of benzylic protons to form stable copolymers. The use of styrene as a comonomer for inverse vulcanization was attractive due to the low cost and wide spread industrial use of styrenics in free radical processes. The copolymers were used as the active cathode material in Li-S batteries that exhibited outstanding device performance, maintaining 489 mAh/g capacity after 1000 cycles.

LanguageEnglish (US)
Pages107-116
Number of pages10
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume55
Issue number1
DOIs
StatePublished - Jan 1 2017

Fingerprint

Vulcanization
Styrene
Cathodes
Sulfur
Copolymers
Lithium sulfur batteries
Free radicals
Protons
Costs
Temperature
Free Radicals

Keywords

  • copolymerization
  • electrochemistry
  • inverse vulcanization
  • Li-S batteries
  • polysulfides

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

Inverse vulcanization of elemental sulfur and styrene for polymeric cathodes in Li-S batteries. / Zhang, Yueyan; Griebel, Jared J.; Dirlam, Philip T.; Nguyen, Ngoc A.; Glass, Richard S.; Mackay, Michael E.; Char, Kookheon; Pyun, Jeffrey.

In: Journal of Polymer Science, Part A: Polymer Chemistry, Vol. 55, No. 1, 01.01.2017, p. 107-116.

Research output: Research - peer-reviewArticle

Zhang, Yueyan ; Griebel, Jared J. ; Dirlam, Philip T. ; Nguyen, Ngoc A. ; Glass, Richard S. ; Mackay, Michael E. ; Char, Kookheon ; Pyun, Jeffrey. / Inverse vulcanization of elemental sulfur and styrene for polymeric cathodes in Li-S batteries. In: Journal of Polymer Science, Part A: Polymer Chemistry. 2017 ; Vol. 55, No. 1. pp. 107-116
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