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Mesopore development in PAN-ACF resulting from non-metal additives

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Abstract

The narrow pore-size distribution of activated carbon fibres (ACF) limits their application in the fields concerning larger molecules, such as liquid adsorption and catalyst support. On the addition of carbon particles and organic materials to polyacrylonitrile fibres, and after stabilizing and activating, the mesoporosity in the resultant ACF has been obviously increased. Among these additives, carbon black gives the best effect. With 1 wt% carbon black I in precursor and on activating at 880°C for 30 min, a mesoporosity of 48.2% (total pore volume 0.704 ml g-1, mesopore volume 0.340 ml g-1) has been obtained. The mechanism of mesopore formation is also discussed.

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Authors and Affiliations

  1. Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan Shanxi, 030001, P.R. China

    Y. Z Zhang

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  1. Y. Z Zhang
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  2. M. Z Wang
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  3. F He
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  4. B. J Zhang
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Zhang, Y.Z., Wang, M.Z., He, F. et al. Mesopore development in PAN-ACF resulting from non-metal additives. Journal of Materials Science 32, 6009–6013 (1997). https://doi.org/10.1023/A:1018623329728

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  • DOI: https://doi.org/10.1023/A:1018623329728

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