A Review of Advanced Energy Materials for Magnesium–Sulfur Batteries

Long Kong, Chong Yan, Jia Qi Huang, Meng Qiang Zhao, Maria Magdalena Titirici, Rong Xiang, Qiang Zhang

Research output: Contribution to journalReview articlepeer-review

123 Scopus citations

Abstract

Magnesium–sulfur batteries promise high volumetric energy density, enhanced safety, and low cost for electrochemical energy storage. The current obstacles to practical applications of reliable magnesium–sulfur batteries are finding electrolytes that can meet a multitude of rigorous requirements along with efficient sulfur cathodes and magnesium anodes. This review highlights recent advances in designing better electrolytes, cathodes, and anodes. A suitable electrolyte for magnesium–sulfur batteries should allow to reversibly electroplate/strip divalent magnesium ions and should be compatible with the sulfur cathode and the other cell's components. Another challenge to be addressed is the careful engineering of the interface and microstructure in the sulfur scaffold to effectively mitigate the soluble magnesium polysulfide shuttle and to enhance the reaction kinetics. We highlight that the ongoing research in this field encourages the fundamental understanding of the reaction mechanisms and the interplay among the different components by diverse characterization techniques.

Original languageEnglish (US)
Pages (from-to)100-112
Number of pages13
JournalEnergy and Environmental Materials
Volume1
Issue number3
DOIs
StatePublished - Sep 2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • General Materials Science
  • Water Science and Technology
  • Environmental Science (miscellaneous)
  • Waste Management and Disposal
  • Energy (miscellaneous)

Keywords

  • electrolyte
  • energy materials
  • magnesium anode
  • magnesium–sulfur batteries
  • sulfur cathode

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