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Design and Tailoring of the Nanotubular Arrayed Architecture of Hydrous RuO2 for Next Generation Supercapacitors
Abstract
By use of the membrane-templated synthesis route, hydrous RuO2 (RuO2.xH2O) nanotubular arrayed electrodes were successfully synthesized by means of the anodic deposition technique. The desired three-dimensional mesoporous architecture of RuO2.xH2O nanotubular arrayed electrodes with annealing in air at 200 degrees C for 2 h simultaneously maintained the facility of electrolyte penetration, the ease of proton exchange/diffusion, and the metallic conductivity of crystalline RuO2, exhibiting unexpectedly ultrahigh power characteristics with its frequency "knee" reaching ca. 4.0-7.8 kHz, 20-40 times better than that of RuO2 single crystalline, arrayed nanorods. The specific power and specific energy of annealed RuO2.xH2O nanotubes measured at 0.8 V and 4 kHz is equal to 4320 kW kg-1 and 7.5 W h kg-1, respectively, demonstrating the characteristics of next generation supercapacitors.
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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
Achieving high energy density and high power density with pseudocapacitive materials
Choi, C., Ashby, D. S., Butts, D. M., DeBlock, R. H., Wei, Q., Lau, J., & Dunn, B. (2019) · Nature Reviews Materials · doi:10.1038/s41578-019-0142-z · Cited by 1,964
Liu, J., Jiang, J., Cheng, C., Li, H., Zhang, J., Gong, H., & Fan, H. J. (2011) · Advanced Materials · doi:10.1002/adma.201100058 · Cited by 1,311
Mesoporous materials and electrochemistry
Walcarius, A. (2013) · Chemical Society Reviews · doi:10.1039/c2cs35322a · Cited by 623
Zhong, J.-H., Wang, A.-L., Li, G.-R., Wang, J.-W., Ou, Y.-N., & Tong, Y.-X. (2012) · Journal of Materials Chemistry · doi:10.1039/c2jm15863a · Cited by 510
Metadata
- Authors
- Hu, C.-C., Chang, K.-H., Lin, M.-C., & Wu, Y.-T.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-11-18
- Volume
- 6
- Issue
- 12
- Pages
- 2690-2695
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1981051545
- Cited by
- 1,734
- References
- 0
- FWCI
- 15.90
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hu, C.-C., Chang, K.-H., Lin, M.-C., & Wu, Y.-T. (2006). Design and Tailoring of the Nanotubular Arrayed Architecture of Hydrous RuO2 for Next Generation Supercapacitors. Nano Letters. https://doi.org/10.1021/nl061576a
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