A kind of super capacitor electrolyte and super capacitor
A supercapacitor and electrolyte technology, which is applied in the direction of hybrid capacitor electrolyte, etc., can solve the problems of short electrolyte cycle life and large gas production
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Embodiment 1
[0038] Using N,N-dimethylpyrrolidine ammonium tetrafluoroborate as the solute and acetonitrile (AN) as the solvent, prepare a 2.0mol / L electrolyte, and then add 0.2% phenylsilane based on the total mass of the electrolyte. The electrolyte consists of are listed in Table 1, and the conductivity of the electrolyte at 25°C was measured, and the results are listed in Table 1. The supercapacitor was fabricated with this electrolyte and its electrochemical performance was tested. The test results of life, capacity and ESR are listed in Table 1, respectively.
Embodiment 2-13
[0040] Except that the solute, solvent, additive and concentration of the electrolyte are different from those of Example 1, the rest are the same. The solute, solvent, additive and concentration composition of the electrolyte of each embodiment are listed in Table 1 and Table 2, and the conductivity of the electrolyte at 25° C. is measured, and the results are listed in Table 1 and Table 2, respectively. The supercapacitors were fabricated with these electrolytes and their electrochemical properties were tested. The test results of life, capacity and ESR are listed in Table 1 and Table 2, respectively.
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