Fig. 7: HAADF-STEM/EELS analysis of cycled NMC622 cathodes. | Nature Communications

Fig. 7: HAADF-STEM/EELS analysis of cycled NMC622 cathodes.

From: A fluorinated cation introduces new interphasial chemistries to enable high-voltage lithium metal batteries

Fig. 7: HAADF-STEM/EELS analysis of cycled NMC622 cathodes.The alternative text for this image may have been generated using AI.

a Pristine NMC622 and cycled NMC622 cathodes with different electrolytes, b Gen 2 electrolyte after 100 cycles, c (PMpyrf)0.8Li0.2FSI electrolyte after 100 cycles, and d (PMpyrf)0.5Li0.5FSI electrolyte after 300 cycles. (i–ii) HAADF-STEM images, (iii) BF-STEM images, and (iv) EELS line scan from primary particle surface to bulk of cathode.

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