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    Home > Coatings News > Paints and Coatings Market > Anti-corrosion of electro-deposited graphene/polycodium composite coatings.

    Anti-corrosion of electro-deposited graphene/polycodium composite coatings.

    • Last Update: 2020-10-24
    • Source: Internet
    • Author: User
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    Polycodol/graphene composite coatings are electrically deposited directly on 304 stainless steels by circulating the VOan method through solutions of pyridoxine and graphene.
    researchers studied the corrosion resistance and conductivity of the electro-deposited graphene/polypyride composite coating, which is suitable for metal bipolar coatings.
    the structure and morphology of composites through a combination of infrared spectrometers, Raman spectroscopies, and scanning electron microscopes

    . Typical feature peaks of graphene have been detected in the complex, which is consistent with the successful doping of graphene. The corrosion of composite materials was studied in the environment of proton exchange membrane fuel cell and the properties of individual polycarp coatings and substrates were compared.
    contains a graphene complex with good conductivity and corrosion resistance
    the composite coating enhances the corrosion resistance of the substrate more effectively than a single polycodium coating because it reduces the corrosion current density of the substrate and maintains a high open-circuit potential throughout the immersion process. In addition, the composite coating has higher chemical stability and better conductivity than the polycodium coating. This is mainly due to the structure of a compound containing graphene, which is highly conductive and resistant to corrosion. Therefore, composite coatings are promising candidate coatings for metal bipolar plates.
    the study was published in Organic Coatings Progress Volume 136, November 2019, 105237.
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