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. 2017 Mar 31;7:45585. doi: 10.1038/srep45585

Figure 4. The performance of Hilbert BFE-MSC using ionic liquid electrolytes.

Figure 4

(a) CV curves of the Hilbert BFE-MSC at different scan rates. (b) Galvanostatic charge-discharge (CC) curves of the Hilbert BFE-MSC at different charge densities. (c) Nyquist plot of the Hilbert BFE-MSC for different frequency scans using ionic liquid. Inset: Nyquist plot of Hilbert BFE-MSC using the ionic gel. The ESR of the optimized Hilbert BFE-MSC was confirmed to be 0.53 Ω. (d) Bode phase of the Hilbert BFE-MSC which gives the time relaxation constant of 0.273 ms using ionic liquid. (e) Capacitance retention of the Hilbert BFE-MSC up to 10,000 cycles for a scan rate of 5000 mVs−1. (f) Energy densities at corresponding power densities of the optimized Hilbert BFE-MSC are compared with other energy storages obtained from refs 11, 12, 13, 14.