Journal article
Poly(ethylene oxide)–silica hybrid materials for lithium battery application
Materials letters, v 39(4), pp 206-210
1999
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Flexible organic–inorganic hybrid films, useful as separators in rechargeable lithium batteries, have been prepared by thermally cross-linking poly(ethylene oxide) (PEO, MW: 600 K) with colloidal silica. The colloidal silica was obtained by the hydrolysis of tetraethyl orthosilicate under the catalysis of HCF
3SO
3. The mechanical strength and ionic conductivity of the films are dependent on the composition and the amount of the electrolytes soaked into the films as well as the silica-content. An optimum example is that when the film composed of 65% PEO and 35% colloidal silica is immersed in an electrolyte (1EC:1DME+12 wt.% LiCF
3SO
3) for 3 min at 45°C, the amount of the electrolyte intake is eight times the original weight of the film and the ionic conductivity is similar to that of the electrolyte (2 mS/cm).
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Details
- Title
- Poly(ethylene oxide)–silica hybrid materials for lithium battery application
- Creators
- Ce Wang - Jilin UniversityYen Wei - Drexel UniversityGeorge R Ferment - Lithium Technology, Plymouth Meeting, PA 19462-1129, USAWei Li - Drexel UniversityTiejin Li - Jilin University
- Publication Details
- Materials letters, v 39(4), pp 206-210
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Marketing
- Web of Science ID
- WOS:000080756600003
- Scopus ID
- 2-s2.0-0032685798
- Other Identifier
- 991019168591704721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Physics, Applied