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High-performance cement with minimal graphene content enabled by improved dispersion through cellulose nanofibers

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2025, 35(6), pp.3187~3200
  • DOI : 10.1007/s42823-025-00988-2
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : August 4, 2025
  • Accepted : October 1, 2025
  • Published : December 11, 2025

Park Jae Seo 1 Kim Ki Yun 2 Kim Line 1 Jung Gayoung 2 Kim Ji Yun 1 Lee Won Hwa 2 Lee Jea Uk 2 Yang Seung Jae 1

1인하대학교
2경희대학교

Accredited

ABSTRACT

Incorporating nanotechnology into cement composites significantly improves mechanical properties such as strength, toughness, and durability. Graphene, with high tensile strength and large surface area, shows great promise as a nanofiller, but its hydrophobicity complicates its dispersion in cement matrices. This study used a graphene-cellulose nanofiber (G@CNF) hybrid filler to ensure a highly uniform dispersion within the cement microstructure. The hybrid filler acts as a bridge and efficiently fills voids within the matrix. The planar structure of graphene also provides nucleation sites for hydrated products, leading to a denser microstructure. The cement composite containing 0.01 wt.% graphene exhibited a compressive strength of 72.7 MPa, representing a 47.5% improvement over the plain cement. Furthermore, the resulting cement demonstrated enhanced water resistance compared to graphene oxide-reinforced-cement. This approach offers a cost-effective and sustainable way of producing high-strength, durable cement composite.

Citation status

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