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Title: Graphene reinforced carbon fibers

Abstract

The superlative strength-to-weight ratio of carbon fibers (CFs) can substantially reduce vehicle weight and improve energy efficiency. However, most CFs are derived from costly polyacrylonitrile (PAN), which limits their widespread adoption in the automotive industry. Extensive efforts to produce CFs from low cost, alternative precursor materials have failed to yield a commercially viable product. Here, we revisit PAN to study its conversion chemistry and microstructure evolution, which might provide clues for the design of low-cost CFs. We demonstrate that a small amount of graphene can minimize porosity/defects and reinforce PAN-based CFs. Our experimental results show that 0.075 weight % graphene-reinforced PAN/graphene composite CFs exhibits 225% increase in strength and 184% enhancement in Young’s modulus compared to PAN CFs. Atomistic ReaxFF and large-scale molecular dynamics simulations jointly elucidate the ability of graphene to modify the microstructure by promoting favorable edge chemistry and polymer chain alignment.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [2];  [1];  [2]; ORCiD logo [1];  [1];  [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [3]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [1]
  1. Univ. of Virginia, Charlottesville, VA (United States)
  2. Pennsylvania State Univ., University Park, PA (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Univ. of Virginia, Charlottesville, VA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Vehicle Technologies Office
OSTI Identifier:
1616017
Alternate Identifier(s):
OSTI ID: 1648856
Grant/Contract Number:  
EE0008195; SC0012704; AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Science Advances
Additional Journal Information:
Journal Volume: 6; Journal Issue: 17; Journal ID: ISSN 2375-2548
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Gao, Zan, Zhu, Jiadeng, Rajabpour, Siavash, Joshi, Kaushik, Kowalik, Małgorzata, Croom, Brendan, Schwab, Yosyp, Zhang, Liwen, Bumgardner, Clifton, Brown, Kenneth R., Burden, Diana, Klett, James William, van Duin, Adri C. T., Zhigilei, Leonid V., and Li, Xiaodong. Graphene reinforced carbon fibers. United States: N. p., 2020. Web. doi:10.1126/sciadv.aaz4191.
Gao, Zan, Zhu, Jiadeng, Rajabpour, Siavash, Joshi, Kaushik, Kowalik, Małgorzata, Croom, Brendan, Schwab, Yosyp, Zhang, Liwen, Bumgardner, Clifton, Brown, Kenneth R., Burden, Diana, Klett, James William, van Duin, Adri C. T., Zhigilei, Leonid V., & Li, Xiaodong. Graphene reinforced carbon fibers. United States. https://doi.org/10.1126/sciadv.aaz4191
Gao, Zan, Zhu, Jiadeng, Rajabpour, Siavash, Joshi, Kaushik, Kowalik, Małgorzata, Croom, Brendan, Schwab, Yosyp, Zhang, Liwen, Bumgardner, Clifton, Brown, Kenneth R., Burden, Diana, Klett, James William, van Duin, Adri C. T., Zhigilei, Leonid V., and Li, Xiaodong. Wed . "Graphene reinforced carbon fibers". United States. https://doi.org/10.1126/sciadv.aaz4191. https://www.osti.gov/servlets/purl/1616017.
@article{osti_1616017,
title = {Graphene reinforced carbon fibers},
author = {Gao, Zan and Zhu, Jiadeng and Rajabpour, Siavash and Joshi, Kaushik and Kowalik, Małgorzata and Croom, Brendan and Schwab, Yosyp and Zhang, Liwen and Bumgardner, Clifton and Brown, Kenneth R. and Burden, Diana and Klett, James William and van Duin, Adri C. T. and Zhigilei, Leonid V. and Li, Xiaodong},
abstractNote = {The superlative strength-to-weight ratio of carbon fibers (CFs) can substantially reduce vehicle weight and improve energy efficiency. However, most CFs are derived from costly polyacrylonitrile (PAN), which limits their widespread adoption in the automotive industry. Extensive efforts to produce CFs from low cost, alternative precursor materials have failed to yield a commercially viable product. Here, we revisit PAN to study its conversion chemistry and microstructure evolution, which might provide clues for the design of low-cost CFs. We demonstrate that a small amount of graphene can minimize porosity/defects and reinforce PAN-based CFs. Our experimental results show that 0.075 weight % graphene-reinforced PAN/graphene composite CFs exhibits 225% increase in strength and 184% enhancement in Young’s modulus compared to PAN CFs. Atomistic ReaxFF and large-scale molecular dynamics simulations jointly elucidate the ability of graphene to modify the microstructure by promoting favorable edge chemistry and polymer chain alignment.},
doi = {10.1126/sciadv.aaz4191},
journal = {Science Advances},
number = 17,
volume = 6,
place = {United States},
year = {Wed Apr 01 00:00:00 EDT 2020},
month = {Wed Apr 01 00:00:00 EDT 2020}
}

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