Fig. 4 | Nature Communications

Fig. 4

From: Anode interfacial layer formation via reductive ethyl detaching of organic iodide in lithium–oxygen batteries

Fig. 4

Surface analysis of the Li anodes after cycling in Li-O2 cells. a, b SEM images of the Li anode after the 60 cycles with 50 mM TESI. Scale bars are 4 μm (a) and 2 μm (b). c SEM image of the Li anode after 30 cycles with 50 mM LiI. Scale bar is 4 μm. d FTIR spectra on the surface of the Li anode after 1 cycle and 60 cycles with 50 mM TESI additive

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