MXene/IL/CP nano composite film, MXene/IL/CP interdigital electrode and micro supercapacitor
A nano-composite, interdigitated electrode technology, applied in the direction of hybrid/electric double layer capacitor manufacturing, hybrid capacitor electrodes, equipment for manufacturing conductive/semiconductive layers, etc. The influence of the influence of the structure and the single structure form, etc., to achieve the effect of improving the capacitance performance, realizing the integrated preparation, and improving the migration rate
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Embodiment 1
[0127] (1) Put 80 milliliters of HCl solution (9mol / L) into a polytetrafluoroethylene beaker, then put 4g of lithium fluoride into it and stir until it is completely dissolved, then slowly add 4g of Ti within 0.5h 3 AlC 2 (MAX). Then, the polytetrafluoroethylene beaker was moved into an oil bath, and the reaction was continuously stirred at 35°C for 30 h, and then 100 mL of ultrapure water was added to terminate the reaction. The obtained reaction solution was centrifuged at 3500rpm for 5min, the supernatant was poured out, and the lower sediment was left, and the lower sediment was repeatedly centrifuged (3500rpm for 5min) several times until the pH value of the solution was close to neutral (pH≈5 or 6) ; Sonicate at 70% power for 1 hour, then centrifuge at 3500 rpm for 1 hour, collect the supernatant to obtain a single-layer or few-layer MXene dispersion.
[0128] (2) Concentrate the MXene dispersion obtained in step (1) to 15mg / mL, then pipette 10mL of the concentrated MX...
Embodiment 2
[0144] Prepare three series and three parallel micro-supercapacitor arrays according to the scheme of Example 1. The difference from Example 1 is that before the device is marked, the position of the current collector is determined by using red light positioning, and the copper foil Paste it on the corresponding position, connect the copper foil and the graphite paper with graphite conductive glue or conductive silver glue, and mark it. After the micro supercapacitor is formed, seal it with green oil at the position where the corresponding current collector extends, UV-cure, and then Packaging with a plastic film forms three parallel and three series micro-supercapacitors.
[0145] Figure 14 The application display diagram of three micro-supercapacitors in series obtained for the embodiment of the present invention; Fig. 16 and Figure 17 Two application diagrams of three parallel-connected miniature supercapacitors are shown respectively.
[0146] Figure 13 and Figure ...
Embodiment 3
[0148] According to the scheme of Example 1, a micro-supercapacitor array of 12 MXene / IL / CP composite electrodes with an interdigitated structure was prepared in a 3*4 arrangement. The difference from Example 1 is that before the device is marked, red light is used to Locate and determine the position where the current collector is extended, paste the copper foil on the corresponding position, connect the copper foil and the graphite paper with graphite conductive glue or conductive silver glue, and mark it. The position where the device extends is sealed with green oil, cured by ultraviolet light, and then packaged with a plastic film to form a series-parallel hybrid micro-supercapacitor bank of three rows and four columns, and the number of supercapacitors connected in series in each row is three, and the number of supercapacitors connected in parallel in each row The number of micro supercapacitors is four.
[0149] Such as Figure 18 As shown in the schematic diagram of s...
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Abstract
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