The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Supercapacitor Capacitance Exhibits Oscillatory Behavior as a Function of Nanopore Size
Abstract
Supercapacitors composed of slit-shaped micropores ranging in size from 0.67 to 1.8 nm in a room-temperature ionic liquid were studied to investigate the dependence of capacitance ( C ) on the pore size ( d ) using molecular dynamics simulations. The capacitance versus pore size (i.e., the C–d curve) was found to exhibit two peaks located at 0.7 and 1.4 nm, respectively. Specifically, as the pore shrinks from 1.0 to 0.7 nm, the capacitance of the micropore increases anomalously, in good agreement with experimental observations. We report herein that the second peak within 1.0 to 1.8 nm is a new feature of the C–d curve. Furthermore, by analogy to the wave interference, we demonstrate that the interference of two electrical double layers near each slit wall does not only explain the entire C–d curve, including the anomalous character, but also predicts the oscillatory behavior of C–d curve beyond 1.8 nm.
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Cites
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
Cited by
Carbonaceous Electrode Materials for Supercapacitors
Hao, L., Li, X., & Zhi, L. (2013) · Advanced Materials · doi:10.1002/adma.201301204 · Cited by 710
Hao, L., Ning, J., Luo, B., Wang, B., Zhang, Y., Tang, Z., Yang, J., Thomas, A., & Zhi, L. (2015) · Journal of the American Chemical Society · doi:10.1021/ja508693y · Cited by 438
Microscopic Simulations of Electrochemical Double-Layer Capacitors
Jeanmairet, G., Rotenberg, B., & Salanne, M. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00925 · Cited by 303
Metadata
- Authors
- Feng, G., & Cummings, P. T.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-10-28
- Volume
- 2
- Issue
- 22
- Pages
- 2859-2864
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W1991780439
- Cited by
- 370
- References
- 1
- FWCI
- 10.35
- Type
- journal article
- Language
- en
- Open access
- closed
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