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- Title
Nitrogen- and Oxygen-Enriched Carbon With Square Tubular Structure Prepared From Polyaniline as Electrode for Supercapacitors.
- Authors
Xiang, X.; Liu, E.; Wu, Y.; Tian, Y.; Xie, H.; Wu, Z.; Zhu, Y.
- Abstract
Square tubular carbon with a large number of surface functional groups are prepared by carbonizing and activating polyaniline, which are synthesized by polymerization of aniline with a template-free self-assembly method in aqueous media. The physicochemical properties of the square tubular carbon is characterized by scanning and transmission electron microscopy, Brunauer-Emmett-Teller surface area measurements, Raman spectroscopy, and X-ray photoelectron spectroscopy measurements. When used as an electrode, the square tubular carbon exhibit a specific capacitance of 223 F g-1 at a scan rate of 2 mV s-1, which could still stay over 90% when the scan rate increased by 10 times. The specific capacitance even hardly decrease at a current density of 3 A g-1 after 10,000 cycles, which indicates that the square tubular carbon have good cycle durability and may be a promising candidate as an electrode for supercapacitors.
- Publication
Fuel Cells, 2012, Vol 12, Issue 5, p892
- ISSN
1615-6846
- Publication type
Article
- DOI
10.1002/fuce.201200025