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SOLID-STATE BATTERIES

The devil is in the electrons

The development of solid-state lithium batteries is largely hindered by the undesired lithium dendrite propagation during battery operations. High electronic conductivity of solid electrolytes is now revealed to be the main culprit.

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Fig. 1: Mechanisms of Li propagation inside SSEs.

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Correspondence to Yu-Guo Guo.

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Yue, J., Guo, YG. The devil is in the electrons. Nat Energy 4, 174–175 (2019). https://doi.org/10.1038/s41560-019-0335-0

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