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Published in: Journal of Materials Science: Materials in Electronics 20/2021

17-09-2021

Boron-doped helical carbon nanotubes as active supercapacitor cathode materials: preparation and electrochemical properties

Authors: Xing Zhang, Yanling Hao, Wei Zhong

Published in: Journal of Materials Science: Materials in Electronics | Issue 20/2021

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Abstract

Boron-doped helical carbon nanotubes (B-HCNTs) were synthesized by annealing HCNTs under the boric acid presence. Successful B incorporation into the HCNT matrix was confirmed by the extensive characterization performed by field emission scanning, transmission electron microscopies, X-ray diffraction, Raman spectroscopy, as well as X-ray photoelectron spectroscopy. B doping did not damage the HCNT structures. However, B presence and content affected B-HCNT electrochemical performance, which was tested by cyclic voltammetry, galvanostatically, and by electrochemical impedance spectroscopy. The B-HCNTs demonstrated excellent energy storage performance, cycling stability, and specific capacitance equal to 212.6 F g−1 at 1 A g−1. Thus, HCTN capacity was increased significantly after B doping.

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Metadata
Title
Boron-doped helical carbon nanotubes as active supercapacitor cathode materials: preparation and electrochemical properties
Authors
Xing Zhang
Yanling Hao
Wei Zhong
Publication date
17-09-2021
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 20/2021
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-021-06984-2

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