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Issue 45, 2016
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Plasma surface functionalization induces nanostructuring and nitrogen-doping in carbon cloth with enhanced energy storage performance

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Abstract

A facile, one-step and environmentally-friendly strategy for the preparation of hierarchical nitrogen-doped carbon cloth (hNCC) is presented via nitrogen plasma processing of commercial carbon cloth. In addition to N-doping, the RF plasma treatment induces nanostructuring, thus significantly increasing the surface area and liquid electrolyte wettability. The untreated carbon cloth (CC) has negligible Li-ion and supercapacitive storage capacities. However, after plasma treatment, the obtained hNCC delivers dramatically enlarged capacities. Specifically, the enhancement is by three times for Li-ion storage (150 mA h g−1versus 50 mA h g−1 at 100 mA g−1), and by three orders of magnitude for pseudocapacitance (391 mF cm−2versus 0.12 mF cm−2 at 4 mA cm−2). The effect of power-dependent plasma treatment for optimized performance is also investigated. We propose a plausible mechanism for achieving a hNCC architecture with highly enhanced ion/charge storage properties. Our research provides an approach to fabricate N-doped carbon materials with a controllable surface morphology and electrochemical properties. This deterministic and plasma-based method of preparing hNCC may offer new opportunities in the design and fabrication of high-performance carbon-based electrodes for energy storage devices.

Graphical abstract: Plasma surface functionalization induces nanostructuring and nitrogen-doping in carbon cloth with enhanced energy storage performance

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Supplementary files

Article information


Submitted
20 Sep 2016
Accepted
20 Oct 2016
First published
20 Oct 2016

This article is Open Access

J. Mater. Chem. A, 2016,4, 17801-17808
Article type
Paper

Plasma surface functionalization induces nanostructuring and nitrogen-doping in carbon cloth with enhanced energy storage performance

B. Ouyang, Y. Zhang, Y. Wang, Z. Zhang, H. J. Fan and R. S. Rawat, J. Mater. Chem. A, 2016, 4, 17801
DOI: 10.1039/C6TA08155J

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