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Mesoporous carbon nanofiber network derived from agarose for supercapacitor electrode

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Abstract

Great efforts have been devoted on searching for sustainable and earth-abundant precursors to prepare activated carbon suitable for supercapacitor electrode applications. In this paper, we demonstrated the preparation of mesoporous carbon nanofiber network (~ 10 nm in diameter of the nanofibers) from agarose precursors. With the aid of zinc acetate, the nanofiber network structure existing in natural agarose gel can be well retained after the carbonization process and the yielded mesoporous carbon nanofiber networks have high surface area and large pore volume without further activation. Supercapacitor electrodes were made from such mesoporous carbon nanofiber networks and specific capacitance of 157 F g−1 can be achieved with the optimized zinc acetate concentration and carbonization temperature.

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Funding

This work is supported by National key research and development program (Grant No. 2016YFB0901600) and NSCF (Grant Nos. 21303162 and 11604295).

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Correspondence to Xudong Wang, Mingjia Zhi or Zhanglian Hong.

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The authors declare that they have no conflict of interest.

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Zhang, Z., Yu, Y., Yao, C. et al. Mesoporous carbon nanofiber network derived from agarose for supercapacitor electrode. J Nanopart Res 20, 249 (2018). https://doi.org/10.1007/s11051-018-4350-z

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  • DOI: https://doi.org/10.1007/s11051-018-4350-z

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