Composite material negative ion release head, preparation method thereof and negative ion generation electrode
A composite material and composite material layer technology, applied in the field of negative ion generation, can solve the problems of slow response speed of devices and increase of negative ion concentration, and achieve the effects of improving response speed, long migration distance and high purity
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Embodiment 1
[0080] like figure 2 Shown, the method for preparing composite negative ion release head of the present embodiment comprises:
[0081] S1: Ball milling graphene and fullerene to a particle size of 100-500nm;
[0082] S2: Add toluene to the container containing the ball-milled graphene and fullerene, and ultrasonically disperse the solution in the container for 20 minutes at a frequency of 100 times / minute, so that the inner wall of the container is free of graphene and fullerene Graphene is attached and the solution in the container is not stratified, and a uniform dispersion solution is obtained; wherein, the mass ratio of graphene, fullerene, and toluene is 0.1:1:1;
[0083] S3: Add deionized water to the uniform dispersion solution, and centrifuge to remove the toluene in the system. The centrifugation speed is 6000rpm, and the time is 10 minutes. Repeat the centrifugation twice, and the deionized water added in each centrifugation is mixed with The volume ratio of the h...
Embodiment 2
[0089] like figure 2 Shown, the method for preparing composite negative ion release head of the present embodiment comprises:
[0090] S1: Ball milling graphene and fullerene to a particle size of 100-500nm;
[0091] S2: Add chloroform to the container containing the ball-milled graphene and fullerene, and ultrasonically disperse the solution in the container for 15 minutes at a frequency of 125 times / minute, so that the inner wall of the container is free of graphene and fullerene Graphene is attached and the solution in the container is not stratified, and a uniform dispersion solution is obtained; wherein, the mass ratio of graphene, fullerene, and chloroform is 0.3:1:1;
[0092] S3: Add deionized water to the uniform dispersion solution, centrifuge, so that the chloroform in the system is removed, the centrifugation rate is 7000rpm, the time is 8 minutes, repeat centrifugation 3 times, the deionized water added in each centrifugation and The volume ratio of the homogene...
Embodiment 3
[0098] like figure 2 Shown, the method for preparing composite negative ion release head of the present embodiment comprises:
[0099] S1: Ball milling graphene and fullerene to a particle size of 100-500nm;
[0100] S2: Add toluene to the container containing the ball-milled graphene and fullerene, and ultrasonically disperse the solution in the container for 10 minutes at a frequency of 150 times / minute, so that the inner wall of the container is free of graphene and fullerene Graphene is attached and the solution in the container is not stratified, and a uniform dispersion solution is obtained; wherein, the mass ratio of graphene, fullerene, and toluene is 0.5:1:1;
[0101] S3: Add deionized water to the uniform dispersion solution, and centrifuge to remove the toluene in the system. The centrifugation speed is 7500rpm, the time is 5 minutes, and the centrifugation is repeated 4 times. The deionized water added in each centrifugation is mixed with The volume ratio of the...
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Abstract
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