How does the number of cycles affect the cyclic voltammetry of a supercapacitor?
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The number of cycles in cyclic voltammetry can affect the voltammogram of a supercapacitor. Simulations show that the long-time voltammogram can be different from the first scan, although the peak-to-peak potential separations are conserved . Additionally, the capacitance extracted from cyclic voltammetry follows a power law relationship with sweep rate, and a critical sweep rate can be defined where the capacitance obtained from cyclic voltammetry intersects with that obtained from electrochemical impedance spectroscopy . To accurately compare supercapacitors, it is recommended to report the constant-phase element (CPE) parameters rather than the capacitance vs. sweep rate data from cyclic voltammetry measurements . However, the specific influence of the number of cycles on the cyclic voltammetry of a supercapacitor is not explicitly mentioned in the provided abstracts.
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Patent 31 Aug 2018 1 Citations | The supercapacitor electrode material shows a capacitance retention rate of 88.34% after 4,000 cycles of constant current charging and discharging. |
2 Citations | The paper does not mention the effect of the number of cycles on the cyclic voltammetry of a supercapacitor. |
2 Citations | The number of cycles does not directly affect the cyclic voltammetry of a supercapacitor, but the sweep rate does. |
13 Citations | The number of cycles in cyclic voltammetry affects the long time voltammogram and peak height, but peak-to-peak potential separations are conserved. |
5 Citations | The number of cycles does not appear to be mentioned in the provided information. |
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