»Last year, the Graphene Council has published research that aimed to evaluate the use of pristine graphene as an additive to polyacrylonitrile (PAN) solution for carbon fiber precursor fibers based on previous research using carbon nanotubes (CNTs) and graphene oxide (GO) liquid.»
»Theorizing that pristine graphene may be a better additive than CNTs and GO for PAN-based carbon fibers, researchers added a small amount of shear-exfoliated pristine graphene (0.01 to 1.0 wt %) to a PAN/dimethyl sulfoxide solution to fine-tune the properties of the PAN spinning dope. Results showed that PAN/graphene-based carbon fibers with 0.075 wt % graphene exhibited a tensile strength of 1916 MPa and Young’s modulus of 233 GPa — a 225% increase in strength and 184% increase in modulus compared to PAN carbon fibers without graphene.»
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