LI-ION BATTERIES

Electrolytes for microsized silicon

Microsized battery anodes such as silicon offer cost advantages over nanosized counterparts but suffer from poor cycling stability. Now, an electrolyte design is reported to enable a LiF-rich solid–electrolyte interphase that stabilizes microsized silicon over a reasonably long cycle life.

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Fig. 1: Electrolyte design principles for alloy anodes.

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Correspondence to Yi Cui.

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Wang, J., Cui, Y. Electrolytes for microsized silicon. Nat Energy 5, 361–362 (2020). https://doi.org/10.1038/s41560-020-0608-7

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