Graphene conductive liquid and its preparation method and application
A graphene and conductive liquid technology, applied in the field of graphene conductive liquid and its preparation, can solve the problems of poor dispersion system stability, inability to achieve uniform dispersion of graphene, difficult dispersion of conductive agents, etc., and achieve stable dispersion system and excellent conductivity. , the effect of excellent electrical conductivity
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[0031] Correspondingly, the embodiment of the present invention also provides a preparation method of the above-mentioned graphene conductive liquid. The graphene conductive liquid preparation method comprises the steps:
[0032] Step S01: According to the above-mentioned embodiment of the present invention, the components contained in the graphene conduction are weighed respectively corresponding to each raw material;
[0033] Step S02: Dissolving the weighed dispersant in a solvent to prepare a mixed solution A;
[0034] Step S03: adding the weighed graphene and wetting agent to the mixed solution A prepared in step S02 for mixing treatment to form a mixed solution B;
[0035] Step S04: Disperse the mixed solution B prepared in step S03, and then add a stabilizer to perform another mixing treatment.
[0036] Specifically, the preferred contents and types of the raw materials of the graphene conductive liquid weighed in the above step S01 are as described above in the graph...
Embodiment 1
[0045] A graphene conductive liquid and preparation method thereof, the graphene conductive liquid contains the following components by weight percentage:
[0046] Graphene 5%, dispersant 1%, stabilizer 0.5%, wetting agent 0.5%, water 93%.
[0047] Wherein, the number of graphene layers is 4-6 layers, the dispersant is selected from sodium methylene bis-naphthalene sulfonate, the stabilizer is selected from carboxymethyl cellulose, and the wetting agent is selected from propylene glycol.
[0048] The preparation method of graphene conductive liquid is as follows:
[0049] Step S11: According to the components contained in the graphene conductive liquid described in Example 1, weigh the corresponding raw materials respectively;
[0050] Step S12: dissolving the weighed dispersant in a solvent, and mechanically stirring to form a mixed solution A;
[0051] Step S13: Add the weighed graphene and wetting agent to the mixed solution A prepared in step S12, and carry out vacuum mi...
Embodiment 2
[0054] A graphene conductive liquid and preparation method thereof, the graphene conductive liquid contains the following components by weight percentage:
[0055] Graphene 2%, dispersant 0.3%, stabilizer 1%, wetting agent 0.2%, ethanol 96.5%.
[0056] Wherein, the size of the graphene is 2-4 layers, the dispersant is sodium polyacrylate, the stabilizer is acrylic acid, and the wetting agent is lignosulfonate.
[0057] The preparation method of graphene conductive liquid is as follows:
[0058] Step S21: According to the components contained in the graphene conductive liquid described in Embodiment 2, weigh the corresponding raw materials respectively;
[0059] Step S22: dissolving the weighed dispersant in a solvent to prepare a mixed solution A;
[0060] Step S23: Add the weighed graphene and wetting agent to the mixed solution A prepared in step S22, stir and mix the mixture at a high speed under the protection of nitrogen for 60 minutes to form a mixed solution B;
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