Preparation method of flexible thin-film electrode
A flexible film and electrode technology, applied in the field of new energy materials, can solve the problems of conductive support and mechanical support that have not been reported, and achieve the effects of high mechanical flexibility, high loading capacity, and excellent electrical conductivity
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Embodiment 1
[0027] Heat-treat 100 mL of graphene oxide aqueous solution with a concentration of 0.05 mg / mL at 50°C for 30 days to obtain a heat-treated graphene oxide aqueous solution; at the same time, uniformly disperse the electrode active material in water to form an electrode active material dispersion with a concentration of 0.1 mg / mL liquid. The obtained heat-treated graphene oxide aqueous solution and the electrode active material dispersion are mixed according to the mass ratio of the heat-treated graphene oxide and the electrode active material dispersion to 9:1, and are stirred by ultrasonic and magnetic force to form a uniform mixed solution. After the filter membrane vacuum-filters the mixed solution, a flexible thin-film electrode hybridized with heat-treated graphene oxide and electrode active materials is obtained on the filter paper. Put the heat-treated graphene oxide hybridized with the electrode active material flexible film electrode together with the filter paper int...
Embodiment 2
[0030] Heat-treat 200mL of graphene oxide aqueous solution with a concentration of 0.01mg / mL at 70°C for 15 days to obtain a heat-treated graphene oxide aqueous solution; at the same time, uniformly disperse the electrode active material in water to form an electrode active material dispersion with a concentration of 0.01mg / mL liquid. The obtained heat-treated graphene oxide aqueous solution and the electrode active material dispersion are mixed according to the mass ratio of the heat-treated graphene oxide and the electrode active material dispersion to 5:5, and are stirred by ultrasonic and magnetic force to form a uniform mixed solution. After the filter membrane vacuum-filters the mixed solution, a flexible thin-film electrode hybridized with heat-treated graphene oxide and electrode active materials is obtained on the filter paper. Put the heat-treated graphene oxide hybridized with the electrode active material flexible film electrode together with the filter paper into ...
Embodiment 3
[0032] Heat-treat 50 mL of graphene oxide aqueous solution with a concentration of 0.1 mg / mL at 90°C for 1 day to obtain a heat-treated graphene oxide aqueous solution; at the same time, uniformly disperse the electrode active material in water to form an electrode active material dispersion with a concentration of 1 mg / mL . The obtained heat-treated graphene oxide aqueous solution and the electrode active material dispersion are mixed according to the mass ratio of the heat-treated graphene oxide and the electrode active material dispersion at 1:9, and are stirred by ultrasonic and magnetic force to form a uniform mixed solution. After the filter membrane vacuum-filters the mixed solution, a flexible thin-film electrode hybridized with heat-treated graphene oxide and electrode active materials is obtained on the filter paper. Put the heat-treated graphene oxide hybridized with the electrode active material flexible film electrode together with the filter paper into an oven an...
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