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A nanostructured graphene/polyaniline hybrid material for supercapacitors
Abstract
A flexible graphene/polyaniline hybrid material as a supercapacitor electrode was synthesized by an in situ polymerization-reduction/dedoping-redoping process. This product was first prepared in an ethylene glycol medium, then treated with hot sodium hydroxide solution to obtain the reduced graphene oxide/polyaniline hybrid material. Sodium hydroxide also acted as a dedoping reagent for polyaniline in the composite. After redoping in an acidic solution, the thin, uniform and flexible conducting graphene/polyaniline product was obtained with unchanged morphology. The chemical structure of the materials was characterized by X-ray photoelectron spectroscopy and Raman spectroscopy. The composite material showed better electrochemical performances than the pure individual components. A high specific capacitance of 1126 F g(-1) was obtained with a retention life of 84% after 1000 cycles for supercapacitors. The energy density and power density were also better than those of pure component materials.
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Cites
Electric Field Effect in Atomically Thin Carbon Films
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Zhang, Y., Dubonos, S. V., Grigorieva, I. V., & Firsov, A. A. (2004) · Science · doi:10.1126/science.1102896 · Cited by 66,834
Cited by
Kim, M., Lee, C., & Jang, J. (2014) · Advanced Functional Materials · doi:10.1002/adfm.201303282 · Cited by 420
Preparation of Supercapacitor Electrodes through Selection of Graphene Surface Functionalities
Lai, L., Yang, H., Wang, L., Teh, B. K., Zhong, J., Chou, H., Chen, L., Chen, W., Shen, Z., Ruoff, R. S., et al. (2012) · ACS Nano · doi:10.1021/nn3008096 · Cited by 355
Metadata
- Authors
- Wang, H., Hao, Q., Yang, X., Lu, L., & Wang, X.
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2010
- Volume
- 2
- Issue
- 10
- Pages
- 2164
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2036608370
- Cited by
- 635
- References
- 1
- FWCI
- 19.23
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, H., Hao, Q., Yang, X., Lu, L., & Wang, X. (2010). A nanostructured graphene/polyaniline hybrid material for supercapacitors. Nanoscale. https://doi.org/10.1039/c0nr00224k
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