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Nitrogen-Enriched Nanocarbons with a 3-D Continuous Mesopore Structure from Polyacrylonitrile for Supercapacitor Application
Abstract
A kind of polyacrylonitrile-based carbon with a 3-D continuous mesopore structure was prepared by using silica gel as a template. Both the mesopore structure and the nitrogen content could be easily tailored by controlling the carbonization temperature. With decreasing the carbonization temperature, the porosity gradually decreased, while the nitrogen content increased. The sample carbonized at 800 °C and showed the highest specific capacitance of 210 F g −1 at the current density of 0.1 A g −1, which could still stay over 90% when the current density increased by 10 times. The good electrochemical properties could be ascribed to the following three factors: (1) the great pseudocapacitance of nitrogen functionalities, which is 28% of the total capacitance, (2) the 3-D continuous pore structure with a high mesoporosity of 92.5%, and (3) the enhanced wettability resulting from the nitrogen on the carbon skeleton.
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Citations
Cited by
Design and Preparation of Porous Polymers
Wu, D., Xu, F., Sun, B., Fu, R., He, H., & Matyjaszewski, K. (2012) · Chemical Reviews · doi:10.1021/cr200440z · Cited by 1,748
Self-citationHierarchically porous materials: synthesis strategies and structure design
Yang, X.-Y., Chen, L.-H., Li, Y., Rooke, J. C., Sanchez, C., & Su, B.-L. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00829a · Cited by 1,439
Self-citationHierarchically Structured Porous Materials for Energy Conversion and Storage
Li, Y., Fu, Z., & Su, B. (2012) · Advanced Functional Materials · doi:10.1002/adfm.201200591 · Cited by 951
Templated nanocarbons for energy storage
Nishihara, H., & Kyotani, T. (2012) · Advanced Materials · doi:10.1002/adma.201201715 · Cited by 745
Nitrogen-containing porous carbons: synthesis and application
Shen, W., & Fan, W. (2013) · J. Mater. Chem. A · doi:10.1039/c2ta00028h · Cited by 698
Metadata
- Authors
- Yang, X., Wu, D., Chen, X., & Fu, R.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-04-06
- Volume
- 114
- Issue
- 18
- Pages
- 8581-8586
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2032772519
- Cited by
- 247
- References
- 0
- FWCI
- 7.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yang, X., Wu, D., Chen, X., & Fu, R. (2010). Nitrogen-Enriched Nanocarbons with a 3-D Continuous Mesopore Structure from Polyacrylonitrile for Supercapacitor Application. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp101255d
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