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A novel hybrid supercapacitor based on spherical activated carbon and spherical MnO2 in a non-aqueous electrolyte
Abstract
A novel non-aqueous hybrid supercapacitor was fabricated from two spherical materials – an activated mesocarbon microbead (AMCMB) and MnO2 nanowire-sphere, as the negative and positive electrodes, respectively. The preliminary results for this energy-storage device, which operates over a wide voltage range (0.0–3.0 V) using 1 M Et4NBF4 in acetonitrile (AN) as electrolytes, are presented. On the basis of a single electrode, the AMCMB|MnO2 supercapacitor displays a high specific capacitance of 228 F g−1 at a scan rate of 10 mV s−1, corresponding to specific energy of 128 W h kg−1 based on based on the total mass of active materials, while maintaining desirable cycling stability and rate capability. The combination of the spherical AMCMB and MnO2 in a non-aqueous electrolyte is proved to be suitable for high-performance hybrid supercapacitor applications.
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Cited by
Review of supercapacitors: Materials and devices
Poonam, Sharma, K., Arora, A., & Tripathi, S. K. (2019) · Journal of Energy Storage · doi:10.1016/j.est.2019.01.010 · Cited by 2,064
Zhong, J.-H., Wang, A.-L., Li, G.-R., Wang, J.-W., Ou, Y.-N., & Tong, Y.-X. (2012) · Journal of Materials Chemistry · doi:10.1039/c2jm15863a · Cited by 510
Long, C., Qi, D., Wei, T., Yan, J., Jiang, L., & Fan, Z. (2014) · Advanced Functional Materials · doi:10.1002/adfm.201304269 · Cited by 358
Meher, S. K., Justin, P., & Ranga Rao, G. (2011) · Nanoscale · doi:10.1039/c0nr00555j · Cited by 321
Metadata
- Authors
- Wang, H.-Q., Li, Z.-S., Huang, Y.-G., Li, Q.-Y., & Wang, X.-Y.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2010
- Volume
- 20
- Issue
- 19
- Pages
- 3883
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W1965987612
- Cited by
- 160
- References
- 0
- FWCI
- 6.32
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, H.-Q., Li, Z.-S., Huang, Y.-G., Li, Q.-Y., & Wang, X.-Y. (2010). A novel hybrid supercapacitor based on spherical activated carbon and spherical MnO2 in a non-aqueous electrolyte. Journal of Materials Chemistry. https://doi.org/10.1039/c000339e
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