Demonstration of highly efficient lithium-sulfur batteries

Rui Xu, James C M Li, Jun Lu, Khalil Amine, Ilias Belharouak

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Lithium-sulfur coin cells were tested with the aim of mitigating the issue of polysulfide dissolution. Five approaches were investigated: optimization of the amount of sulfur that can be contained in the sulfur/carbon electrodes, introduction of different forms of carbon additives into the sulfur electrodes, impregnation of sulfur into the pores of high-surface-area carbon via a melting process, addition of high-surface-area TiO2 as a polysulfide-adsorbing agent in the sulfur electrodes, and use of lithium nitrate as an additive in the electrolyte. Among all these approaches, the most effective way to inhibit the shuttle phenomenon and improve the coulombic efficiency of the Li-S battery was the addition of LiNO3 into the electrolyte. This journal is

Original languageEnglish
Pages (from-to)4170-4179
Number of pages10
JournalJournal of Materials Chemistry A
Volume3
Issue number8
DOIs
Publication statusPublished - 2015

Fingerprint

Sulfur
Demonstrations
Polysulfides
Carbon
Lithium
Electrolytes
Electrodes
Impregnation
Nitrates
Lithium sulfur batteries
Dissolution
Melting

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Demonstration of highly efficient lithium-sulfur batteries. / Xu, Rui; Li, James C M; Lu, Jun; Amine, Khalil; Belharouak, Ilias.

In: Journal of Materials Chemistry A, Vol. 3, No. 8, 2015, p. 4170-4179.

Research output: Contribution to journalArticle

Xu, Rui ; Li, James C M ; Lu, Jun ; Amine, Khalil ; Belharouak, Ilias. / Demonstration of highly efficient lithium-sulfur batteries. In: Journal of Materials Chemistry A. 2015 ; Vol. 3, No. 8. pp. 4170-4179.
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