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Solid-state batteries

Viscoelastic glass electrolytes

Solid electrolytes may enable a step-change in battery performance, but their brittleness often complicates their use. Now, a new inorganic electrolyte has been developed: it is a glassy material that offers viscoelasticity as well as good ionic conductivity.

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Fig. 1: Images of LiAlCl4, NaAlCl4 and the corresponding oxygen-substituted LiAlCl2.5O0.75 and NaAlCl2.5O0.75 samples.

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Correspondence to Felix H. Richter.

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Richter, F.H. Viscoelastic glass electrolytes. Nat Energy 8, 1182–1183 (2023). https://doi.org/10.1038/s41560-023-01379-5

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