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Batteries: Imaging degradation

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The degradation and failure of Li-ion batteries is strongly associated with electrode microstructure change upon (de)lithiation. Now, an operando X-ray tomography approach is shown to correlate changes in the microstructure of electrodes to cell performance, and thereby predict degradation pathways.

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Figure 1: Schematic of structural expansion during lithiation.

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Correspondence to Paul R. Shearing.

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Shearing, P. Batteries: Imaging degradation. Nat Energy 1, 16173 (2016). https://doi.org/10.1038/nenergy.2016.173

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