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A high-performance asymmetric supercapacitor fabricated with graphene-based electrodes
Abstract
An asymmetric supercapacitor (ASC) was fabricated using reduced graphene oxide (RGO) sheets modified with ruthenium oxide (RGO–RuO2) or polyaniline (RGO–PANi) as the anode and cathode, respectively. The ASC exhibited a significantly improved capacitive performance in comparison with that of the symmetric supercapacitors fabricated with RGO–RuO2 or RGO–PANi as the electrodes. The improvement was attributed to the broadened potential window in an aqueous electrolyte, leading to an energy density of 26.3 W h kg−1, about two-times higher than that of the symmetrical supercapacitors based on RGO–RuO2 (12.4 W h kg−1) and RGO–PANi (13.9 W h kg−1) electrodes. In addition, a power density of 49.8 kW kg−1 was obtained at an energy density of 6.8 W h kg−1.
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Cites
Ni(OH) 2 Nanoplates Grown on Graphene as Advanced Electrochemical Pseudocapacitor Materials
Wang, H., Casalongue, H. S., Liang, Y., & Dai, H. (2010) · Journal of the American Chemical Society · doi:10.1021/ja102267j · Cited by 2,042
Cited by
Integrated Energy Aerogel of N,S-rGO/WSe 2 /NiFe-LDH for Both Energy Conversion and Storage
Xu, X., Chu, H., Zhang, Z., Dong, P., Baines, R., Ajayan, P. M., Shen, J., & Ye, M. (2017) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.7b09866 · Cited by 77
Performance evaluation of asymmetric supercapacitor based on Ti3C2Tx-paper
Wu, W., Lin, S., Chen, T., Li, L., Pan, Y., Zhang, M., Wu, L., Gao, H., & Zhang, X. (2017) · Journal of Alloys and Compounds · doi:10.1016/j.jallcom.2017.09.256 · Cited by 37
Metadata
- Authors
- Zhang, J., Jiang, J., Li, H., & Zhao, X. S.
- Venue
- Energy & Environmental Science
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2011
- Volume
- 4
- Issue
- 10
- Pages
- 4009
- ISSN
- 1754-5692 (ISSN-L)
- 1754-5706
- OpenAlex
- W2060666214
- Cited by
- 800
- References
- 1
- FWCI
- 19.43
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhang, J., Jiang, J., Li, H., & Zhao, X. S. (2011). A high-performance asymmetric supercapacitor fabricated with graphene-based electrodes. Energy & Environmental Science. https://doi.org/10.1039/c1ee01354h
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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