Issue 10, 2020

High-yielding carbon nanofibers grown on NIPS-derived porous nickel as a flexible electrode for supercapacitors

Abstract

Carbon nanomaterials grown on a three-dimensional (3D) skeleton with a high specific surface area are well accepted propitious electrodes for supercapacitor applications. Herein, we reported a novel strategy for fabricating a flexible and robust 3D nickel@carbon nanofiber (3DNi@CNF) electrode using a modified nonsolvent induced phase separation (NIPS)-powder metallurgy and chemical vapor deposition (CVD) method. The high porosity of the 3DNi film could maintain high-yielding CNFs with 266.7% sustenance, and remain stable in the electrolyte for a supercapacitor. The flexible 3DNi@CNF electrode shows a maximum specific capacitance of 134.3 F g−1 at a scan rate of 5 mV s−1 between −0.9 V and 0.1 V. Even after 5000 cycles at 4 A g−1, the 3DNi@CNF electrode maintained 90 F g−1 cycling capacity, and exhibited a high capacitance stability of 96.5%. This rational strategy for the combination of a high porosity 3D metal skeleton and electroactive materials paves a new way for preparing high mass-loaded flexible electrodes in energy storage devices.

Graphical abstract: High-yielding carbon nanofibers grown on NIPS-derived porous nickel as a flexible electrode for supercapacitors

Supplementary files

Article information

Article type
Research Article
Submitted
15 jul 2020
Accepted
23 jul 2020
First published
23 jul 2020

Mater. Chem. Front., 2020,4, 2976-2981

High-yielding carbon nanofibers grown on NIPS-derived porous nickel as a flexible electrode for supercapacitors

Z. Zhang, Z. Ren, S. Zhang, D. Yuan, Y. Dou, Z. Qiao, Z. Yu, J. Kang, W. Li and S. Chou, Mater. Chem. Front., 2020, 4, 2976 DOI: 10.1039/D0QM00483A

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