Gel electrolyte system based on polyvinyl chloride with addition of LiClO/sub 4//propylene carbonate: structure, morphology, thermal and conductivity properties
| Autor: | Yu.P. Gomza, V.I. Slisenko, V. V. Shilov, M. V. Burmistr, P. Pissis, E.M. Shembel, V.V. Klepko, A.A. Vasil'kevich |
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| Rok vydání: | 2002 |
| Předmět: |
chemistry.chemical_classification
Materials science Small-angle X-ray scattering Analytical chemistry Polymer Electrolyte Neutron scattering chemistry.chemical_compound Polyvinyl chloride Differential scanning calorimetry chemistry Propylene carbonate Electrical and Electronic Engineering Glass transition |
| Zdroj: | IEEE Transactions on Dielectrics and Electrical Insulation. 9:551-554 |
| ISSN: | 1070-9878 |
| Popis: | X-ray scattering, calorimetric, and quasi-elastic neutron scattering (QENS) investigations of the polymer gel electrolytes based on 20% PVC, containing 80% of propylene carbonate (PC)-LiClO/sub 4/ solution as a liquid phase were made. It was established that after incorporating PC into the micropores of PVC gels the glass transition of PC increased by 3 K. This is, evidently, a reflection of an effect of confining liquid PC in the pores of PVC microphase-separated morphology. Addition of salt to the PVC-PC system results in raising T/sub g/ of both the pure PC and PVC-PC gel by 10 K. The SAXS data of pure PVC and PVC-PC and PVC-PC-LiClO/sub 4/ indicate that the gels based on PVC consist of microdomains of a different composition. Single-particle and collective dynamics of solvent molecules in free state and in the pores of polymer gels based on PVC were studied by quasi-elastic neutron scattering technique. |
| Databáze: | OpenAIRE |
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