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LITHIUM-ION BATTERIES

With only a grain of salt

Highly concentrated electrolytes offer enhanced energy-density for aqueous batteries, but the high salt concentration presents formidable challenges for practical implementation. Now, an electrolyte has been designed that has a substantially reduced salt concentration while still enabling high-performance batteries.

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Fig. 1: A typical WiSE electrolyte and the ternary urea-based electrolyte in aqueous batteries.

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Correspondence to Alexis Grimaud.

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Brown, J., Grimaud, A. With only a grain of salt. Nat Energy 7, 126–127 (2022). https://doi.org/10.1038/s41560-022-00981-3

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