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A high performance all solid state lithium sulfur battery with lithium thiophosphate solid electrolyte

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Abstract

Li–S batteries have attracted significant research efforts due to its high energy-density; however, the lithium–sulfur battery is plagued with many challenges, most notably the dissolution of lithium-polysulfides into the liquid, organic electrolyte during the reduction of sulfur as well as the dendritic growth of lithium during charging. By switching to a solid-state electrolyte, the dissolution of lithium polysulfides is eliminated. Alloy-anodes, such as indium-lithium, are commonly used in solid-state, Li–S battery research due to the challenges of using lithium metal with solid electrolytes. This work shows that the onset of lithium dendrite growth is strongly affected by the conductivity of the solid electrolyte. More importantly, we demonstrate the feasibility of a lithium–sulfur battery with high utilization of sulfur and stable capacity-retention with a lithium-metal anode.

Graphical abstract: A high performance all solid state lithium sulfur battery with lithium thiophosphate solid electrolyte

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Publication details

The article was received on 28 Jun 2019, accepted on 09 Aug 2019 and first published on 14 Aug 2019


Article type: Communication
DOI: 10.1039/C9TA06971B
J. Mater. Chem. A, 2019, Advance Article

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    A high performance all solid state lithium sulfur battery with lithium thiophosphate solid electrolyte

    P. Bonnick, K. Niitani, M. Nose, K. Suto, T. S. Arthur and J. Muldoon, J. Mater. Chem. A, 2019, Advance Article , DOI: 10.1039/C9TA06971B

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