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. 2016 Aug 11;6:31496. doi: 10.1038/srep31496

Figure 7. Electrochemical performance of GCNT-SnO2 aerogels compared with GCNT and pure SnO2 octahedrons.

Figure 7

(a) CV curves at 0.1 mV/s and (b) charge/discharge curves at 0.1 A/g at the 1st, 2nd, and 5th cycle of GCNT-SnO2(3) aerogel electrode. (c) Specific capacity of GCNT, GCNT-SnO2 aerogels and pure SnO2 octahedrons calculated from the 5th discharge curves at 0.1 A/g. (d) Rate performance of GCNT, GCNT-SnO2(3) aerogels and pure SnO2 octahedrons at various current rates from 0.1 to 2 A/g. (e) Cycling stability at 0.1 C coupled with corresponding Coulombic efficiency and (f ) Nyquist plots (inset: equivalent circuit mode) of GCNT, GCNT-SnO2(3) aerogels and pure SnO2.