The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
Preparation of Supercapacitor Electrodes through Selection of Graphene Surface Functionalities
Abstract
In order to investigate the effect of graphene surface chemistry on the electrochemical performance of graphene/polyaniline composites as supercapacitor electrodes, graphene oxide (G-O), chemically reduced G-O (RG-O), nitrogen-doped RG-O (N-RG-O), and amine-modified RG-O (NH(2)-RG-O) were selected as carriers and loaded with about 9 wt % of polyaniline (PANi). The surface chemistry of these materials was analyzed by FTIR, NEXAFS, and XPS, and the type of surface chemistry was found to be important for growth of PANi that influences the magnitude of increase of specific capacitance. The NH(2)-RG-O/PANi composite exhibited the largest increase in capacitance with a value as high as 500 F g(-1) and good cyclability with no loss of capacitance over 680 cycles, much better than that of RG-O/PANi, N-RG-O/PANi, and G-O/PANi when measured in a three-electrode system. A NH(2)-RG-O/PANi//N-RG-O supercapacitor cell has a capacitance of 79 F g(-1), and the corresponding specific capacitance for NH(2)-RG-O/PANi is 395 F g(-1). This research highlights the importance of introducing -NH(2) to RG-O to achieve highly stable cycling performance and high capacitance values.
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Cites
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Graphene-based composite materials
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Self-citationConducting-polymer-based supercapacitor devices and electrodes
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Graphene oxide as a chemically tunable platform for optical applications
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Efficient Reduction of Graphite Oxide by Sodium Borohydride and Its Effect on Electrical Conductance
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Best practice methods for determining an electrode material's performance for ultracapacitors
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Self-citationGraphene/Polyaniline Nanofiber Composites as Supercapacitor Electrodes
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Supercapacitors Based on Flexible Graphene/Polyaniline Nanofiber Composite Films
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Cited by
Rational Design of Nanostructured Electrode Materials toward Multifunctional Supercapacitors
Yan, J., Li, S., Lan, B., Wu, Y., & Lee, P. S. (2020) · Advanced Functional Materials · doi:10.1002/adfm.201902564 · Cited by 426
Metadata
- Authors
- Lai, L., Yang, H., Wang, L., Teh, B. K., Zhong, J., Chou, H., Chen, L., Chen, W., Shen, Z., Ruoff, R. S., & Lin, J.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-06-22
- Volume
- 6
- Issue
- 7
- Pages
- 5941-5951
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2087234510
- Cited by
- 355
- References
- 36
- FWCI
- 13.60
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lai, L., Yang, H., Wang, L., Teh, B. K., Zhong, J., Chou, H., Chen, L., Chen, W., Shen, Z., Ruoff, R. S., & Lin, J. (2012). Preparation of Supercapacitor Electrodes through Selection of Graphene Surface Functionalities. ACS Nano. https://doi.org/10.1021/nn3008096
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