High-performance multifunctional Graphene yarns: Toward wearable all-carbon energy storage textiles

ABOUTALEBI, S.H., JALILI, R., ESRAFILZADEH, D., SALARI, M., GHOLAMVAND, Z., AMINORROAYA YAMINI, Sima, KONSTANTINOV, K., SHEPHERD, R.L., CHEN, J., MOULTON, S.E., INNIS, P.C., MINETT, A.I., RAZAL, J.M. and WALLACE, G.G. (2014). High-performance multifunctional Graphene yarns: Toward wearable all-carbon energy storage textiles. ACS Nano, 8 (3), 2456-2466.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/nn406026z
Link to published version:: https://doi.org/10.1021/nn406026z
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    The successful commercialization of smart wearable garments is hindered by the lack of fully integrated carbon-based energy storage devices into smart wearables. Since electrodes are the active components that determine the performance of energy storage systems, it is important to rationally design and engineer hierarchical architectures atboth the nano- and macroscale that can enjoy all of the necessary requirements for a perfect electrode. Here we demonstrate a large-scale flexible fabrication of highly porous high-performance multifunctional graphene oxide (GO) and rGO fibers and yarns by taking advantage of the intrinsic soft self-assembly behavior of ultralarge graphene oxide liquid crystalline dispersions. The produced yarns, which are the only practical form of these architectures for real-life device applications, were found to be mechanically robust (Young’s modulus in excess of 29 GPa) and exhibited high native electrical conductivity (2508 ± 632 S m–1) and exceptionally high specific surface area (2605 m2 g–1 before reduction and 2210 m2 g–1 after reduction). Furthermore, the highly porous nature of these architectures enabled us to translate the superior electrochemical properties of individual graphene sheets into practical everyday use devices with complex geometrical architectures. The as-prepared final architectures exhibited an open network structure with a continuous ion transport network, resulting in unrivaled charge storage capacity (409 F g–1 at 1 A g–1) and rate capability (56 F g–1 at 100 A g–1) while maintaining their strong flexible nature.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Engineering Research
    Identification Number: https://doi.org/10.1021/nn406026z
    Page Range: 2456-2466
    Depositing User: Sima Aminorroaya Yamini
    Date Deposited: 28 Jul 2017 11:31
    Last Modified: 31 Jul 2018 12:38
    URI: http://shura.shu.ac.uk/id/eprint/15950

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