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Electrochemically Exfoliated Graphene for High-Durability Cement Composites

  • Małgorzata Krystek
    Małgorzata Krystek
    Université de Strasbourg, CNRS, ISIS, 8 alleé Gaspard Monge, 67000 Strasbourg, France
    Department of Structural Engineering, Silesian University of Technology, Akademicka 5, 44-100 Gliwice, Poland
  • Dawid Pakulski
    Dawid Pakulski
    Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland
    Centre for Advanced Technologies, Adam Mickiewicz University, Umultowska 89c, 61-614 Poznań, Poland
  • Marcin Górski
    Marcin Górski
    Department of Structural Engineering, Silesian University of Technology, Akademicka 5, 44-100 Gliwice, Poland
  • Leszek Szojda
    Leszek Szojda
    Department of Structural Engineering, Silesian University of Technology, Akademicka 5, 44-100 Gliwice, Poland
  • Artur Ciesielski*
    Artur Ciesielski
    Université de Strasbourg, CNRS, ISIS, 8 alleé Gaspard Monge, 67000 Strasbourg, France
    Centre for Advanced Technologies, Adam Mickiewicz University, Umultowska 89c, 61-614 Poznań, Poland
    *Email: [email protected]
  • , and 
  • Paolo Samorì*
    Paolo Samorì
    Université de Strasbourg, CNRS, ISIS, 8 alleé Gaspard Monge, 67000 Strasbourg, France
    *Email: [email protected]
Cite this: ACS Appl. Mater. Interfaces 2021, 13, 19, 23000–23010
Publication Date (Web):May 4, 2021
https://doi.org/10.1021/acsami.1c04451
Copyright © 2021 American Chemical Society
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Abstract

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The development of radically new types of corrosion-resistant cement composites is nowadays compulsory in view of the continuous increase of concrete consumption combined with the intrinsically defective nature of concrete. Among various additives being employed in the concrete technology, carbon nanomaterials have emerged as extremely powerful components capable of remarkably enhancing nano- and microstructures as well as properties of cement-based composites. In this study, we demonstrate that cement mortar incorporating electrochemically exfoliated graphene (EEG) exhibits significantly improved fluid transport properties. The addition of 0.05 wt % of EEG to ordinary Portland cement mortar results in the reduction of initial and secondary sorptivity values by 21 and 25%, respectively. This leads to the outstanding resistance of EEG–cement composites to highly corrosive environments, namely, chloride and sulfate solutions. These observations, combined with the previously reported remarkable enhancement of the tensile strength of EEG–cement mortars, represent a major step toward the development of highly durable graphene-based cement composites.

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The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acsami.1c04451.

  • Chemical composition of CEM I, results of sorption measurements, raw SEM images of EEG–cement mortars, and AFM and XPS analyses of EEG (PDF)

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Most electronic Supporting Information files are available without a subscription to ACS Web Editions. Such files may be downloaded by article for research use (if there is a public use license linked to the relevant article, that license may permit other uses). Permission may be obtained from ACS for other uses through requests via the RightsLink permission system: http://pubs.acs.org/page/copyright/permissions.html.

Cited By


This article is cited by 1 publications.

  1. Qiang Fu, Mengxin Bu, Dan Li, Wenrui Xu, Jiaqi He, Ditao Niu. Resistance to Sulfate Attack and Chemo-Damage-Transport Model of Sulfate Ions for Tunnel Lining Concrete under the Action of Loading and Flowing Groundwater. ACS Sustainable Chemistry & Engineering 2021, 9 (42) , 14307-14326. https://doi.org/10.1021/acssuschemeng.1c05794

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