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Silver/RGO (reduced graphene oxide) composite material prepared on basis of graphene oxide and preparation method of silver/RGO composite material

A composite material, graphene technology, applied in the direction of electrolytic coatings, coatings, etc., can solve the problems of reduced electrical and thermal conductivity, and achieve the effect of improving corrosion resistance, high thermal conductivity, and good corrosion resistance

Inactive Publication Date: 2018-06-29
GUANGXI NORMAL UNIV
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Problems solved by technology

Most of the graphene-like compounds currently on the market exist in the form of graphene oxide, but the various oxygen-containing groups rich in the structure of graphene oxide will reduce its electrical and thermal conductivity. Therefore, a simple and effective graphene oxide The method of reducing to reduced graphene oxide is of great significance for improving the application of graphene oxide

Method used

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  • Silver/RGO (reduced graphene oxide) composite material prepared on basis of graphene oxide and preparation method of silver/RGO composite material
  • Silver/RGO (reduced graphene oxide) composite material prepared on basis of graphene oxide and preparation method of silver/RGO composite material
  • Silver/RGO (reduced graphene oxide) composite material prepared on basis of graphene oxide and preparation method of silver/RGO composite material

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Embodiment

[0040] A preparation method for preparing silver / reduced graphene oxide composite material based on graphene oxide, comprising the steps of:

[0041] 1) Degrease the aluminum substrate sample in a degreasing solution at 60°C for 5 minutes, and then clean the aluminum substrate sample with clean water. The degreasing solution in this example is: sodium carbonate 40g / L, trisodium phosphate 50g / L, OP-10 emulsifier 1.0g / L mixed solution;

[0042] 2) Activate the degreased sample in an activation solution at 25°C for 2 minutes, and wash it with clean water. The activation solution in this example is sodium hydroxide 40g / L;

[0043] 3) Dip the activated sample in a zinc dipping solution at 25°C for 1 minute, and clean it with clean water. The primary zinc dipping solution in this example is: sodium hydroxide 80g / L, trisodium citrate 12.5g / L, a mixture of zinc nitrate hexahydrate 25g / L, nickel chloride hexahydrate 12.5 g / L, ferric chloride hexahydrate 0.8g / L and thiourea 0.2g / L;

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Abstract

The invention discloses a method for preparing a silver / RGO (reduced graphene oxide) composite material on the basis of graphene oxide. The method comprises steps as follows: 1), an aluminum materialsample is cleaned up after oil removal; 2), the aluminum material sample after oil removal is activated and then cleaned up; 3), the activated sample is subjected to primary zinc immersing and cleanedup; 4), the sample after primary zinc immersing is subjected to zinc stripping and cleaned up; 5), the sample after zinc stripping is subjected to secondary zinc immersing and cleaned up; 6), the sample after secondary zinc immersing is subjected to direct current electroplating and cleaned up; 7), the silver-plated sample is subjected to bidirectional pulse electroplating in a composite silver-plated graphene oxide plating solution, and the silver / RGO composite material is obtained. The composite material prepared with the method gives full play of characteristics of high heat-conducting property, good corrosion resistance, stability and the like of RGO.

Description

technical field [0001] The invention relates to a technology for preparing a reduced graphene oxide composite film, in particular to a silver / reduced graphene oxide composite material based on graphene oxide and a preparation method thereof. Background technique [0002] Since 2004, the British scientist Geim et al. discovered that carbon atoms are composed of sp 2 Graphene, a new type of two-dimensional atomic crystal composed of hybrid-connected monoatomic layers, has become a research hotspot in the field of materials due to its excellent performance and unique two-dimensional structure. my country is currently the leader in graphene research and application development One of the most active countries. Graphene is also called single-layer graphite or two-dimensional graphite. Its ideal structure is exfoliated single-atom layer graphite. Its basic structure is sp 2 The six-membered ring benzene-like unit formed by hybridized carbon atoms has a theoretical thickness of on...

Claims

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Application Information

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IPC IPC(8): C25D3/46C25D3/64C25D5/10C25D5/44C25D5/18C25D15/00
CPCC25D3/46C25D3/64C25D5/10C25D5/18C25D5/44C25D15/00
Inventor 黄有国刘世成苏晨屈永浩傅浩李庆余王红强马兆玲
Owner GUANGXI NORMAL UNIV
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