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Anomalous Increase in Carbon Capacitance at Pore Sizes Less Than 1 Nanometer
Open accessAbstract
Carbon supercapacitors, which are energy storage devices that use ion adsorption on the surface of highly porous materials to store charge, have numerous advantages over other power-source technologies, but could realize further gains if their electrodes were properly optimized. Studying the effect of the pore size on capacitance could potentially improve performance by maximizing the electrode surface area accessible to electrolyte ions, but until recently, no studies had addressed the lower size limit of accessible pores. Using carbide-derived carbon, we generated pores with average sizes from 0.6 to 2.25 nanometer and studied double-layer capacitance in an organic electrolyte. The results challenge the long-held axiom that pores smaller than the size of solvated electrolyte ions are incapable of contributing to charge storage.
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Cited by
Carbon materials for chemical capacitive energy storage
Zhai, Y., Dou, Y., Zhao, D., Fulvio, P. F., Mayes, R. T., & Dai, S. (2011) · Advanced Materials · doi:10.1002/adma.201100984 · Cited by 2,964
Efficient storage mechanisms for building better supercapacitors
Salanne, M., Rotenberg, B., Naoi, K., Kaneko, K., Taberna, P.-L., Grey, C. P., Dunn, B., & Simon, P. (2016) · Nature Energy · doi:10.1038/nenergy.2016.70 · Cited by 2,181
Self-citationNanoporous metal/oxide hybrid electrodes for electrochemical supercapacitors
Lang, X., Hirata, A., Fujita, T., & Chen, M. (2011) · Nature Nanotechnology · doi:10.1038/nnano.2011.13 · Cited by 2,109
Mesoporous carbon materials: Synthesis and modification
Liang, C., Li, Z., & Dai, S. (2008) · Angewandte Chemie International Edition · doi:10.1002/anie.200702046 · Cited by 1,935
Electrolyte selection for supercapacitive devices: a critical review
Pal, B., Yang, S., Ramesh, S., Thangadurai, V., & Jose, R. (2019) · Nanoscale Advances · doi:10.1039/c9na00374f · Cited by 1,317
Metadata
- Authors
- Chmiola, J., Yushin, G., Gogotsi, Y., Portet, C., Simon, P., & Taberna, P. L.
- Venue
- Science
- Published
- 2006-09-22
- Volume
- 313
- Issue
- 5794
- Pages
- 1760-1763
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1973101250
- Cited by
- 4,022
- References
- 0
- FWCI
- 33.79
- Type
- journal article
- Language
- en
- Open access
- green
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- Chmiola, J., Yushin, G., Gogotsi, Y., Portet, C., Simon, P., & Taberna, P. L. (2006). Anomalous Increase in Carbon Capacitance at Pore Sizes Less Than 1 Nanometer. Science. https://doi.org/10.1126/science.1132195
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
