Conductive paint, conductive composition and electronic component using the same
A technology of conductive coatings and conductive polymers, applied in conductive coatings, coatings, non-metallic conductors, etc., can solve the problems of high resistivity of conductive polymer materials, and achieve excellent performance, high capacity, and low resistivity. Effect
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[0098] (Preparation of carbon material 1)
[0099] Mix 5 g of carbon nanotubes, 20 g of 20 wt % hydrogen peroxide, and 10 g of 20 wt % ammonia water to obtain a mixed solution. The mixed solution was stirred at 60°C for 6 hours. After washing with ethanol, the carbon material 1 containing amino group and hydroxyl group was obtained.
[0100] (Preparation of carbon material 2)
[0101] Mix 5 g of fullerene (fullerene C60) and 20 g of 20 wt % hydrogen peroxide to obtain a mixed solution. The mixed solution was stirred at 60°C for 6 hours. Hydroxyl-containing carbon material 2 was obtained after washing with ethanol.
Embodiment 1
[0103] Add 0.06 g of carbon material 1 or carbon material 2 to 10 g of 1.2 wt % conductive polymer aqueous solution and 0.5 g of dimethyl sulfoxide (DMSO), respectively, to obtain a mixed solution of carbon material 1 a and the mixed solution b of the carbonaceous material 1, the mixed solutions a and b are emulsified under high pressure under a pressure of 100 MPa to obtain conductive paint a and conductive paint b.
[0104] Conductive coating a and conductive coating b were respectively coated on the glass, and dried in an oven at 120° C. to obtain conductive compositions a and b. The conductivity of the conductive composition was evaluated, and the results are shown in Table 1.
Embodiment 2
[0115] The conductive polymer electrolyte solution a and the conductive polymer electrolyte solution b are respectively impregnated into the semi-finished element of the winding capacitor by vacuum decompression method, and then dried in an oven at 120°C, and then impregnated / dried by the same method 2 times, the element a containing the solid electrolyte and the element b containing the solid electrolyte were obtained respectively. After the element containing the solid electrolyte is sealed with a casing and a rubber cover, a solid electrolytic capacitor a and a solid electrolytic capacitor b are obtained. The ESR performance of solid electrolytic capacitors was evaluated, and the results are shown in Table 2.
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