Solid polymer electrolytes studied by NMR spectroscopy and DFT calculations

被引：0
|
作者：
Spevácek, J [1 ]
Brus, J [1 ]
Dybal, J [1 ]
机构：
[1] Acad Sci Czech Republ, Inst Macromol Chem, CR-16206 Prague 6, Czech Republic
来源：
MACROMOLECULAR SYMPOSIA | 2006年 / 235卷
关键词：
calculations; NMR; poly(2-ethyl-2-oxazoline)/AgCF3SO3; poly(ethylene oxide)/LiCF3SO3; solid polymer electrolyte;
D O I：
10.1002/masy.200650308
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Results obtained recently on polymer electrolytes poly(ethylene oxide) (PEO)/LiCF3SO3 and poly(2-ethyl-2-oxazoline) (POZ)/AgCF3SO3 by a combination of solid-state C-13 and H-1 NMR spectroscopy and DFT-quantum-chemical calculations are discussed. Essentially the same local structure was found for the amorphous and crystalline phases of semicrystalline PEO/LiCF3SO3 polymer electrolyte. The amorphous POZ/AgCF3SO3 complex has a defined stoichiometry with two POZ monomeric units per one AgCF3SO3. A close contact between the metal salt and polymer was determined for both investigated systems from the Lee-Goldburg cross-polarization H-1 -> C-13 dynamics.
引用
收藏
页码：57 / 63
页数：7
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