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  • Title: Fixing PAN Nanofiber Mats during Stabilization for Carbonization and Creating Novel Metal/Carbon Composites.
    Author: Sabantina L, Rodríguez-Cano MÁ, Klöcker M, García-Mateos FJ, Ternero-Hidalgo JJ, Mamun A, Beermann F, Schwakenberg M, Voigt AL, Rodríguez-Mirasol J, Cordero T, Ehrmann A.
    Journal: Polymers (Basel); 2018 Jul 04; 10(7):. PubMed ID: 30960660.
    Abstract:
    Polyacrylonitrile (PAN) is one of the materials most often used for carbonization. PAN nanofiber mats, created by electrospinning, are an especially interesting source to gain carbon nanofibers. A well-known problem in this process is fixing the PAN nanofiber mats during the stabilization process which is necessary to avoid contraction of the fibers, correlated with an undesired increase in the diameter and undesired bending. Fixing this issue typically results in breaks in the nanofiber mats if the tension is too high, or it is not strong enough to keep the fibers as straight as in the original state. This article suggests a novel method to overcome this problem by electrospinning on an aluminum substrate on which the nanofiber mat adheres rigidly, stabilizing the composite and carbonizing afterwards either with or without the aluminum substrate to gain either a pure carbon nanofiber mat or a metal/carbon composite.
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