Electrolyte for double-layer capacitor and preparation method
A technology of double-layer capacitors and electrolytes, applied in the manufacture of hybrid/electric double-layer capacitors, hybrid capacitor electrolytes, etc., can solve the problem of large equivalent internal resistance, low affinity, and viscosity of morpholine-based ionic liquids in electric double-layer capacitors Advanced problems, to achieve the effect of easy operation, high surface tension and simple preparation method
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[0021] In a glove box (that is, in the absence of oxygen and water and protected by an inert gas), the mass ratio of methyl ethyl morpholine tetrafluoroborate and polyoxyethylene butylanolamine with a mass ratio of 1:0.04 After mixing and stirring for 60 minutes, the polyoxyethylene butane acyl alcohol amine is uniformly dispersed in the methyl ethyl morpholine tetrafluoroborate to obtain an electrolyte solution for an electric double layer capacitor.
[0022] The parameters of Examples 2 to 20 are different from those of Example 1, but the preparation method steps and test conditions are the same as those of Example 1, see Table 1 below.
[0023] Table 1
[0024]
[0025]
[0026] Note: In this table, the reduction ratio of the equivalent internal resistance is the ratio of the equivalent internal resistance of the electric double-layer capacitor using the electrolyte of this embodiment measured under the same conditions in the corresponding embodiment without adding po...
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