Journal
ACS APPLIED NANO MATERIALS
Volume 4, Issue 7, Pages 6557-6561Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.1c01241
Keywords
graphene; nacre-inspired; anticorrosion; corrosion-promotion activity; electrochemistry
Funding
- Ningbo City Key Research and Development Project [2019C0207]
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The high conductivity of graphene leads to unacceptable corrosion-promotion activity in graphene-based composite coatings, limiting their applications in metal protection. A bioinspired graphene-epoxy coating with a highly aligned structure successfully resolves the contradiction between anticorrosion capability and corrosion-promotion activity, providing insights into preparing high-performance graphene-based coatings through biomimetic strategies.
The high conductivity of graphene (G) results in G-based composite coatings with unacceptable corrosion-promotion activity (CPA), which greatly limits their applications in metal protection. Herein, a bioinspired graphene-epoxy (B-G-EP) coating with nacre-like structure is constructed to investigate the interfacial structure-dependent anticorrosion of coatings. The results demonstrate that the highly aligned structure of B-G-EP resolves the contradiction between the anticorrosion capability and CPA of G, which breaks the limitation of the blending rule and provides insight into the preparation of high-performance G-based coatings through biomimetic strategies.
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