Preparation method of carbon nanosphere electrode material doped with silver nanowires
A technology of silver nanowires and electrode materials, which is applied in the field of preparation of nano-carbon sphere electrode materials, can solve problems such as reducing equivalent resistance, and achieve the effects of easy operation, simple preparation method, and increased capacitance
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Embodiment 1
[0021] A preparation method of a carbon nanosphere electrode material doped with silver nanowires, comprising the following steps:
[0022] Step 1: add 50mL of 0.05mol / L resorcinol aqueous solution and 20mL of 0.1mol / L sodium hydroxide solution in the reactor, and mass concentration is the 80g / L polymerization degree paraformaldehyde aqueous solution, stir and mix, and heated to 40°C to obtain a low molecular weight phenolic resin prepolymer, then add 20mL of 0.05mol / L ammonia water, heat up to 100°C for polymerization for 24h, wash the obtained resin microspheres with deionized water after the reaction is completed, and Dry in a constant temperature drying oven at 120°C for 5 hours to obtain nano-polymer spheres;
[0023] Step 2: Take nano-polymer spheres and add them to ethanol to form a 20mg / L mixture, then add 2% silver nanowires of the mass of nano-polymer spheres, and add 20mL of 0.01mol / L silver nitrate solution. Ultrasonic at 150W for 15 minutes, then place the mixtur...
Embodiment 2
[0026] A preparation method of a carbon nanosphere electrode material doped with silver nanowires, comprising the following steps:
[0027] Step 1: Add 50mL0.06mol / L resorcinol aqueous solution and 20mL 0.1mol / L sodium hydroxide solution in the reactor, and add the low polymerization degree paraformaldehyde aqueous solution that mass concentration is 85g / L, stir Mix and heat to 40°C to obtain a low molecular weight phenolic resin prepolymer, then add 20mL of 0.06mol / L ammonia water, heat up to 100°C for polymerization for 24 hours, and wash the obtained resin microspheres with deionized water after the reaction is completed , and dried in a constant temperature drying oven at 120°C for 5 hours to obtain nano-polymer spheres;
[0028] Step 2: Take the nano-polymer spheres and add them to ethanol to form a 20mg / L mixture, then add 2% silver nanowires of the mass of the nano-polymer spheres, and add 20mL of 0.02mol / L silver nitrate solution. Ultrasonic at 160W for 15 minutes, th...
Embodiment 3
[0031] A preparation method of a carbon nanosphere electrode material doped with silver nanowires, comprising the following steps:
[0032] Step 1: Add 50mL of 0.07mol / L aqueous resorcinol solution and 20mL of 0.1mol / L sodium hydroxide solution to the reactor, and add a low polymerization degree paraformaldehyde aqueous solution with a mass concentration of 90g / L, stir Mix and heat to 40°C to obtain a low molecular weight phenolic resin prepolymer, then add 20mL of 0.06mol / L ammonia water, heat up to 100°C for polymerization for 24 hours, and wash the obtained resin microspheres with deionized water after the reaction is completed , and dried in a constant temperature drying oven at 120°C for 5 hours to obtain nano-polymer spheres;
[0033] Step 2: Get the nano-polymer spheres and add them to ethanol to form a 20mg / L mixture, then add 2% silver nanowires of the mass of the nano-polymer spheres, and add 20mL of 0.03mol / L silver nitrate solution. Ultrasonic at 170W for 15 minut...
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