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Highly Stable Performance of Supercapacitors from Phosphorus-Enriched Carbons
Open accessAbstract
Phosphorus-rich microporous carbons (P-carbons) prepared by a simple H(3)PO(4) activation of three different carbon precursors exhibit enhanced supercapacitive performance in 1 M H(2)SO(4) when highly stable performance can be achieved at potentials larger than the theoretical decomposition potential of water. This ability of P-carbons greatly enhances the energy density of supercapacitors that are capable of delivering 16 Wh/kg compared to 5 Wh/kg for the commercial carbon. An intercept-free multiple linear regression model confirms the strongest influence of phosphorus on capacitance together with micropores 0.65-0.83 nm in width that are the most effective in forming the electric double layer.
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Metadata
- Authors
- Hulicova-Jurcakova, D., Puziy, A. M., Poddubnaya, O. I., Suárez-García, F., Tascón, J. M. D., & Lu, G. Q.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-03-24
- Volume
- 131
- Issue
- 14
- Pages
- 5026-5027
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2023492950
- Cited by
- 604
- References
- 0
- FWCI
- 9.36
- Type
- journal article
- Language
- en
- Open access
- green
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