Hierarchical nitrogen-doped porous carbon with high surface area derived from endothelium corneum gigeriae galli for high-performance supercapacitor

Hong, Xiaoting, Hui, K. S. ORCID: https://orcid.org/0000-0001-7089-7587, Zeng, Zhi, Hui, K. N., Zhang, Luojiang, Mo, Mingyue and Li, Min (2014) Hierarchical nitrogen-doped porous carbon with high surface area derived from endothelium corneum gigeriae galli for high-performance supercapacitor. Electrochimica Acta, 130. pp. 464-469. ISSN 0013-4686

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Abstract

Endothelium corneum gigeriae galli derived 3D hierarchical nitrogen-doped porous carbon was for the first time prepared by preliminary carbonization at 450 °C and final KOH activation at high temperatures. The surface and structural properties of the as-synthesized samples are analyzed with Brunauer-Emmett-Teller surface analyzer apparatus, X-Ray Diffractometer, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectrometer. The electrochemical performances are analyzed by cyclic voltammetry, galvanostatic charge/discharge cycling and electrochemical impedance spectroscopy. The obtained results show that the sample carbonized at 900 °C possesses the SSA of 2149.9 m2 g-1, average micropore diameter of 1.78 nm, and exhibits the highest initial specific capacitance of 198.0 F g-1 at current density of 1 A g-1 in 6 M KOH solution. It retains good specific capacitance retention of 91.6% after 3000 charge/discharge cycles at current density of 2 A g-1.

Item Type:	Article
Uncontrolled Keywords:	endothelium corneum gigeriae galli,high specific surface area,nitrogen-doped porous carbon,supercapacitor
Faculty \ School:	Faculty of Science > School of Engineering (former - to 2024) University of East Anglia Research Groups/Centres > Theme - ClimateUEA
UEA Research Groups:	Faculty of Science > Research Groups > Energy Materials Laboratory Faculty of Science > Research Groups > Emerging Technologies for Electric Vehicles (EV)
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	Pure Connector
Date Deposited:	04 Oct 2016 12:01
Last Modified:	25 Sep 2024 12:15
URI:	https://ueaeprints.uea.ac.uk/id/eprint/60663
DOI:	10.1016/j.electacta.2014.03.015

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