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- Title
Rechargeable Magnesium–Sulfur Battery Technology: State of the Art and Key Challenges.
- Authors
Wang, Peiwen; Buchmeiser, Michael R.
- Abstract
Inspired by the first rechargeable Mg battery about 20 years ago, based on a Chevrel phase cathode, a Mg foil anode, and a magnesium organo‐aluminate electrolyte, research on rechargeable batteries using sulfur as the cathode together with Mg as the anode has gained substantial and increasing interest. In particular, the safety characteristics of magnesium–sulfur (Mg–S) batteries, the high abundance of both magnesium and sulfur, and the high theoretical volumetric energy density of magnesium render this system specifically interesting for mobile applications that require high volumetric energy densities, i.e., the automotive and aviation sector. While the development of Mg–S batteries is still at a nascent stage, some breakthroughs have already been accomplished. Consequently, it appears necessary to provide a comprehensive up‐to‐date review about the current achievements to facilitate further improvements in this field. In this review, the state of the art in Mg–S batteries is summarized, focusing on sulfur conversion cathodes, magnesium anode materials, currently employed electrolyte systems, as well as on current collectors and separator design. In addition, the challenges and some possible future work to realize a practically applicable and technically viable Mg–S battery are highlighted.
- Subjects
STORAGE batteries; ENERGY density; LITHIUM sulfur batteries; TECHNOLOGY; MOBILE apps
- Publication
Advanced Functional Materials, 2019, Vol 29, Issue 49, pN.PAG
- ISSN
1616-301X
- Publication type
Article
- DOI
10.1002/adfm.201905248