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. 2015 Oct 26;6:8597. doi: 10.1038/ncomms9597

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(a) HAADF–STEM image of the SG–Si electrode after cycling, (b–d) the elements mapping by EELS for the area marked in image. Scale bar, 100 nm in a and 10 nm in b–d. Each pixel in b–d represents 3.4 × 3.4 nm. (e) A schematic representation to explain the structure change in the electrode before and after cycling. Before battery cycling SiNP are dispersed, and bond with S on surface of SG with c-PAN further connect the SiNP with SG. After battery cycling, the SiNP change to amorphous structure and spread and confine in the crinkles of SG.