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Page 6 of 12               Cui et al. Energy Mater 2023;3:300023  https://dx.doi.org/10.20517/energymater.2022.90








































                Figure 3. (A) TEM image. (B) HRTEM image. (C) FFT-ED pattern (D) EDS mapping of ZVNW peeled from CC through prolonged
                sonication.




































                Figure 4. (A) CV curves of ZVNW and ZVNW-CC electrodes. (B) CV curves of ZVNW-CC electrode in the first three cycles at
                     -1
                0.1 mV s . GCD curves of ZVNW (C) and ZVNW-CC (D) electrodes at different cycles.
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