| Autor: |
Peng, H., Gu, Z., Yang, J., Zimmerman, J. L., Willis, P. A., Bronikowski, M. J., Smalley, R. E., Hauge, R. H., Margrave, J. L. |
| Zdroj: |
Nano Letters; November 14, 2001, Vol. 1 Issue: 11 p625-629, 5p |
| Abstrakt: |
Fluorotubes (C2F) were prepared by fluorinating SWNTs with F2/HF at 250 °C for 12 h and were consequently used as cathode material in a lithium electrochemical cell. The Raman and FTIR spectra of the fluorotubes were investigated before and after the cell was discharged. The discharging performance of the fluorotube/lithium electrochemical cell was studied and compared with that of a carbon monofluoride (CFx)/lithium cell. Thermodynamic calculations using the ΔHf° of fluorotubes and carbon monofluoride indicated that the potential of a fluorotube/lithium electrochemical cell, where the fluorotubes were made by the fluorination of armchair (10,10) SWNTs, should be 0.4 V higher than that of a carbon monofluoride/lithium cell. The experimental results support the theoretical calculations. The relation between SWNT diameter and cell potential was also investigated. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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