Anthraquinone-based modified composite electrode material, its preparation method and application, and electronic components containing the material
A composite electrode, anthraquinone-based technology, used in hybrid capacitor electrodes, hybrid/electric double-layer capacitor manufacturing, etc., can solve the problem of reducing the electrochemical properties of conductive polymers, difficult to prepare graphene-based composite materials, conductive polymer damage, etc. The problem is to achieve the effect of good cycle stability and high temperature stability of the product, improving dual capacitance characteristics and high pseudocapacitance characteristics.
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Embodiment 1
[0072] (1) Take an appropriate amount of graphene oxide (GO) gel, and add deionized water; then, in an ice bath at 0°C, sonicate for 2 hours to obtain a 6 mg / ml GO dispersion A;
[0073] (2) Take an appropriate amount of 9,10-anthraquinone, dissolve it in a mixed solution of acetonitrile and ethyl acetate (volume ratio 1:1) in a mixed organic solvent, and conduct ultrasonic treatment for 2 hours in an ice bath at 0°C. Obtain 6 mg / ml of anthraquinone solution B;
[0074] (3) Measure appropriate amount of GO dispersion A and anthraquinone solution B according to the volume ratio of 1:1, and mix them, and then ultrasonically treat them for 2-5 hours in an ice bath at 0-5°C to obtain a mixed solution C ;
[0075] (4) Add the catalyst tert-butyl nitrite to the mixed solution C, and make the mass ratio of the catalyst to the polyanthraquinone precursor 2:1, and stir it with a low-speed magnetic force in a dark room for 0.5-1h to obtain the following formula: figure 1 The mixed sol...
Embodiment 2
[0087] (1) Take an appropriate amount of graphene oxide (GO) gel and add deionized water; then, in an ice bath at 0-5°C, sonicate for 1 hour to obtain a 1 mg / ml GO dispersion A.
[0088](2) Take an appropriate amount of 1.2-diamino-9.10 anthraquinone, dissolve it in a mixed solution of n-butanol and chloroform (volume ratio 10:1), and treat it ultrasonically for 2.5 hours in an ice bath at 0°C , to obtain 10mg / ml anthraquinone solution B;
[0089] (3) Take an appropriate amount of GO dispersion A and anthraquinone solution B according to the volume ratio of 30:1 and mix them respectively, and conduct ultrasonic treatment for 5 hours in an ice bath at 5°C to obtain a mixed solution C;
[0090] (4) Add the catalyst tert-butyl nitrite to the mixed solution C, the mass ratio of the catalyst to the polyanthraquinone precursor is 2:1, and stir it magnetically at a low speed in a dark room for 1 hour to obtain the mixed solution D;
[0091] (5) import the mixed solution D into the h...
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