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http://hdl.handle.net/10397/92633
Title: | Partially graphitic hierarchical porous carbon nanofiber for high performance supercapacitors and lithium ion batteries | Authors: | Hu, J Xu, Z Li, X Liang, S Chen, Y Lyu, L Yao, H Lu, Z Zhou, L |
Issue Date: | 30-Jun-2020 | Source: | Journal of power sources, 30 June 2020, v. 462, 228098 | Abstract: | Partially graphitic hierarchical porous carbon nanofiber is prepared via electrospinning, pyrolysis, activation and acid treatment of the nascent fiber. The ameliorating structural features of the as-obtained carbon nanofiber, such as a relatively high graphitic degree, a high specific surface area and a large pore volume with hierarchical porous structure, acted synergistically, resulting in excellent electrochemical properties. When applied in supercapacitors, the obtained sample delivers a high specific capacitance of 287 F g−1 at 0.5 A g−1, a high rate capacitance of 196 F g−1 at 100 A g−1 and a high capacity retention of 95.4% at 5 A g−1 after 10,000 cycles. When used as an anode for lithium ion batteries, the prepared electrodes display an exceptionally high reversible capacity of 1495 mAh g−1 at 0.1 A g−1, superior cycle stability and an outstanding high-rate capacity of 391 mAh g−1 at 10 A g−1 for 1100 cycles. These values demonstrate the superiority of partially graphitic hierarchical porous carbon nanofiber as bi-functional electrodes in supercapacitors and Li-ion batteries with outstanding performance. | Keywords: | Carbon nanofiber Electrospinning Hierarchical porous structure Lithium ion batteries Supercapacitors |
Publisher: | Elsevier | Journal: | Journal of power sources | ISSN: | 0378-7753 | EISSN: | 1873-2755 | DOI: | 10.1016/j.jpowsour.2020.228098 | Rights: | © 2020 Published by Elsevier B.V. © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Hu, J., Xu, Z., Li, X., Liang, S., Chen, Y., Lyu, L., Yao, H., Lu, Z., & Zhou, L. (2020). Partially graphitic hierarchical porous carbon nanofiber for high performance supercapacitors and lithium ion batteries. Journal of Power Sources, 462, 228098 is available at https://dx.doi.org/10.1016/j.jpowsour.2020.228098. |
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