Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/106591
Title: Aniline tetramer-graphene oxide composites for high performance supercapacitors
Authors: Yan, Jian
Yang, Liping
Cui, Mengqi
Wang, Xu
Chee, Kenji Jianzhi
Nguyen, Viet Cuong
Kumar, Vipin
Sumboja, Afriyanti
Wang, Ming
Lee, Pooi See
Keywords: DRNTU::Engineering::Materials::Energy materials
Issue Date: 2014
Source: Yan, J., Yang, L., Cui, M., Wang, X., Chee, K. J., Nguyen, V. C., & et al (2014). Aniline tetramer-graphene oxide composites for high performance supercapacitors. Advanced energy materials, 4(18), 1400781-.
Series/Report no.: Advanced energy materials
Abstract: Polyaniline (PANI), a promising conducting polymer for supercapacitor, exhibits high specific capacitance and good rate capability. However, it suffers from low cycling stability due to the breakage or scission of polymer chains and loss of contact caused by the volume change during the charge–discharge, as well as the irreversible oxidation and reduction. Here, a strategy for using aniline tetramers loaded on graphene oxide (AT-GO) is developed to prevent chain breaking and increase the tolerance of volume change. The potential window is also controlled to reduce the irreversible reactions. In a three electrode test, AT-GO exhibits a good cycling stability with specific capacitance remaining more than 93 to 96% after 2000 cycles. In a two electrode test, the specific capacitance remains 97.7% of its initial specific capacitance after 2000 cycles by suppressing the side reactions. AT-GO also shows a high specific capacitance of more than 769 F g−1 at 1 A g−1 and it remains 581 F g−1 at 60 A g−1, suggesting a good rate capability. These results suggest that AT-GO is a promising electrode material for practical applications.
URI: https://hdl.handle.net/10356/106591
http://hdl.handle.net/10220/25045
ISSN: 1614-6832
DOI: 10.1002/aenm.201400781
Schools: School of Materials Science & Engineering 
Rights: © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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