Volume 248, 2024

Engineering considerations for practical lithium–air electrolytes

Abstract

Lithium–air batteries promise exceptional energy density while avoiding the use of transition metals in their cathodes, however, their practical adoption is currently held back by their short lifetimes. These short lifetimes are largely caused by electrolyte breakdown, but despite extensive searching, an electrolyte resistant to breakdown has yet to be found. This paper considers the requirements placed on an electrolyte for it to be considered usable in a practical cell. We go on to examine ways, through judicious cell design, of relaxing these requirements to allow for a broader range of compounds to be considered. We conclude by suggesting types of molecules that could be explored for future cells. With this work, we aim to broaden the scope of future searches for electrolytes and inform new cell design.

Graphical abstract: Engineering considerations for practical lithium–air electrolytes

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Article information

Article type
Paper
Submitted
08 5 2023
Accepted
24 7 2023
First published
01 8 2023
This article is Open Access
Creative Commons BY license

Faraday Discuss., 2024,248, 355-380

Engineering considerations for practical lithium–air electrolytes

J. H. J. Ellison and C. P. Grey, Faraday Discuss., 2024, 248, 355 DOI: 10.1039/D3FD00091E

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