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Synthesis of novel hierarchical graphene/polypyrrole nanosheet composites and their superior electrochemical performance
Abstract
Novel hierarchical graphene/polypyrrole (GNS/PPy) nanosheet composites have been successfully fabricated for the first time based on an in situ chemical oxidation polymerization method. Sheet-like PPy with a thickness of 20–50 nm grown on the surface of the composites of the GNS/PPy polymerized at an early stage due to the dominated role of the sheet-like GNS and residue glucose in the synthesis process. Supercapacitors based on the hierarchical composite exhibit large electrochemical capacitance (318.6 F g−1) at a scan rate of 2 mV s−1. They also show superior electrochemical rate capability and cyclic stability. The capacitance retained ∼95% (132.9 F g−1) after 1000 cycles at a scan rate of 100 mV s−1. Accordingly, the hierarchical GNS/PPy nanosheet composites are potential electrode materials for electrochemical supercapacitors.
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Reduction of graphene oxide via l -ascorbic acid
Zhang, J., Yang, H., Shen, G., Cheng, P., Zhang, J., & Guo, S. (2010) · Chem. Commun. · doi:10.1039/b917705a · Cited by 2,344
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Advanced Energy Storage Devices: Basic Principles, Analytical Methods, and Rational Materials Design
Liu, J., Wang, J., Xu, C., Jiang, H., Li, C., Zhang, L., Lin, J., & Shen, Z. X. (2018) · Advanced Science · doi:10.1002/advs.201700322 · Cited by 1,745
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Metadata
- Authors
- Xu, C., Sun, J., & Gao, L.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2011
- Volume
- 21
- Issue
- 30
- Pages
- 11253
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W1989507675
- Cited by
- 313
- References
- 1
- FWCI
- 8.83
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xu, C., Sun, J., & Gao, L. (2011). Synthesis of novel hierarchical graphene/polypyrrole nanosheet composites and their superior electrochemical performance. Journal of Materials Chemistry. https://doi.org/10.1039/c1jm11275a
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