Figure 3: SEM and TEM images of cycled SiNWs. | Nature Communications

Figure 3: SEM and TEM images of cycled SiNWs.

From: Revealing lithium–silicide phase transformations in nano-structured silicon-based lithium ion batteries via in situ NMR spectroscopy

Figure 3

(a) Cross-sectional SEM image and (b) high-resolution TEM image (fast Fourier transformation, inset) of the cycled SiNWs on CFGDL following one galvanostatic cycle at C/25 with potential limits of 2–0 V and then holding at 2.5 V for 24 h so as to fully de-lithiate the NWs. The scale bars for (a) and (b) are 6 μm and 10 nm, respectively.

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