A temperature study of the ionic conductivity of a hybrid polymer electrolyte
Journal Article
·
· Journal of the Electrochemical Society
- Valence Technology, Inc., Henderson, NV (United States)
The ionic conductivity of a hybrid polymer electrolyte was investigated as a function of temperature and salt concentration and compared to the corresponding liquid electrolyte. The hybrid polymer electrolyte was based on a radiation induced cross-linked polyether network with propylene carbonate in an interpenetrating liquid phase and LiAsF{sub 6} as electrolyte salt. The temperature behavior was best explained by the Vogel-Tamman-Fulcher relation. The activation energy was found to decrease with salt concentration, whereas the apparent glass-transition temperature increased. At 0.08 mol/kg LiAsF{sub 6}, the real glass-transition temperature was found to be 60 K higher than the apparent glass-transition temperature, but at 2.52 mol/kg LiAsF{sub 6} no difference was found.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 212160
- Journal Information:
- Journal of the Electrochemical Society, Journal Name: Journal of the Electrochemical Society Journal Issue: 2 Vol. 143; ISSN 0013-4651; ISSN JESOAN
- Country of Publication:
- United States
- Language:
- English
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