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Cherry stones as precursor of activated carbons for supercapacitors
Open accessAbstract
Abstract It is shown that cherry stones-wastes can be recycled as activated carbons for electrode material in supercapacitors. KOH-activation of this precursor at 800–900 °C is an efficient process to obtain carbons with large specific surface areas (1100–1300 m2 g−1), average pore sizes around 0.9–1.3 nm, which makes them accessible to electrolyte ions, and conductivities between 1 and 2 S cm−1. These features lead to capacitances at low current density as high as 230 F g−1 in 2 M H2SO4 aqueous electrolyte and 120 F g−1 in the aprotic medium 1 M (C2H5)4NBF4/acetonitrile. Furthermore, high performance is also achieved at high current densities, which means that this type of materials competes well with commercial carbons used at present in supercapacitors.
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Citations
Cited by
KOH activation of carbon-based materials for energy storage
Wang, J., & Kaskel, S. (2012) · Journal of Materials Chemistry · doi:10.1039/c2jm34066f · Cited by 2,726
Energy storage applications of activated carbons: supercapacitors and hydrogen storage
Sevilla, M., & Mokaya, R. (2014) · Energy Environ. Sci. · doi:10.1039/c3ee43525c · Cited by 1,614
Emerging applications of biochar-based materials for energy storage and conversion
Liu, W.-J., Jiang, H., & Yu, H.-Q. (2019) · Energy & Environmental Science · doi:10.1039/c9ee00206e · Cited by 743
Hierarchically porous and heteroatom doped carbon derived from tobacco rods for supercapacitors
Zhao, Y.-Q., Lu, M., Tao, P.-Y., Zhang, Y.-J., Gong, X.-T., Yang, Z., Zhang, G.-Q., & Li, H.-L. (2016) · Journal of Power Sources · doi:10.1016/j.jpowsour.2016.01.020 · Cited by 579
Nanostructured activated carbons from natural precursors for electrical double layer capacitors
Wei, L., & Yushin, G. (2012) · Nano Energy · doi:10.1016/j.nanoen.2012.05.002 · Cited by 532
Metadata
- Authors
- Olivares-Marín, M., Fernández, J. A., Lázaro, M. J., Fernández-González, C., Macías-García, A., Gómez-Serrano, V., Stoeckli, F., & Centeno, T. A.
- Venue
- Materials Chemistry and Physics
- Publisher
- Elsevier BV
- Published
- 2009-03
- Volume
- 114
- Issue
- 1
- Pages
- 323-327
- ISSN
- 0254-0584 (ISSN-L)
- OpenAlex
- W2064364611
- Cited by
- 205
- References
- 0
- FWCI
- 1.52
- Type
- journal article
- Language
- en
- Open access
- green
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- Olivares-Marín, M., Fernández, J. A., Lázaro, M. J., Fernández-González, C., Macías-García, A., Gómez-Serrano, V., Stoeckli, F., & Centeno, T. A. (2009). Cherry stones as precursor of activated carbons for supercapacitors. Materials Chemistry and Physics. https://doi.org/10.1016/j.matchemphys.2008.09.010
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