Polyaniline/phytic acid conductive hydrogel, preparation method thereof and flexible supercapacitor
A technology of conductive hydrogel and polyaniline, which is applied in the field of materials, can solve the problems of complex structure of flexible supercapacitors and large device thickness, and achieve in-situ growth, avoid the use of initiators, and achieve good uniformity
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[0032] The preparation method of a kind of polyaniline / phytic acid conductive hydrogel provided by the embodiment of the present invention comprises:
[0033] S1. Prepare a metal current collector electrode on a flexible substrate.
[0034] Further, the flexible substrate is selected from any one of polyethylene terephthalate, polyethylene, polypropylene, polyvinyl chloride, polystyrene, acrylic resin, epoxy resin or polyurethane.
[0035] Further, the metal current collector electrode is selected from at least one of gold, platinum, silver, copper, nickel, cobalt, manganese or iron.
[0036] Further optionally, gold is selected as the above-mentioned metal current collector electrode. The flexible substrate is polyethylene terephthalate.
[0037] Further, the metal current collector electrode is prepared on the flexible substrate by depositing the metal material on the flexible substrate by magnetron sputtering, vacuum evaporation, chemical vapor deposition or solution meth...
Embodiment 1
[0056] A kind of polyaniline / phytic acid conductive hydrogel provided in this embodiment, the preparation method is as follows:
[0057] A polyethylene terephthalate (PET) film with a thickness of 50 μm was selected, cut into a rectangle of 2 × 3 cm, ultrasonically cleaned several times with deionized water and acetone, and dried for later use. The mask plate of interdigitated structure is processed by ultraviolet laser cold processing technology. A mask plate was pasted on the cleaned PET film, and gold interdigitated electrodes were plated on the PET film by magnetron sputtering technology. The finger width of the interdigitated electrodes was 1 mm, and the finger spacing was 0.8 mm. Measure 2.21mL (2.4mmol) of 50wt% phytic acid solution, and add 1.10mL (12mmol) of aniline monomer into 60mL of 1mol / L sulfuric acid to obtain a reaction solution. Assemble the PET film coated with gold electrodes in the three-electrode structure, and immerse the interdigital electrode part in ...
Embodiment 2
[0059] A kind of polyaniline / phytic acid conductive hydrogel provided in this embodiment, the preparation method is as follows:
[0060] A polyethylene film with a thickness of 30 μm was selected, cut into a rectangle of 2×3 cm, ultrasonically cleaned several times with deionized water and acetone, and dried for later use. The mask plate of interdigitated structure is processed by ultraviolet laser cold processing technology. A mask plate was pasted on the cleaned polyethylene film, and platinum interdigitated electrodes were plated on the polyethylene film by vacuum evaporation. The finger width of the interdigitated electrodes was 1mm, and the interdigital spacing was 0.5mm. Measure 2.21mL (2.4mmol) of 50wt% phytic acid solution, add 1.10mL (12mmol) of aniline monomer into 60mL of 1mol / L H 3 PO 4 , to obtain a reaction solution. Assemble the polyethylene film coated with platinum electrodes in the three-electrode structure, and immerse the interdigital electrode part in t...
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