Fig. 9
a EIS spectra of SiO2@C/MWNT and SiO2@C electrodes before cycling. b EIS spectra of SiO2@C/MWNT electrode upon cycling and an equivalent circuit obtained for this system
Fig. 9 | Nanoscale Research Letters
a EIS spectra of SiO2@C/MWNT and SiO2@C electrodes before cycling. b EIS spectra of SiO2@C/MWNT electrode upon cycling and an equivalent circuit obtained for this system