Synthesis of star macromolecules for solid polymer electrolytes

被引：19

作者：

Li, Ning ^{[1
]}

Wang, Li ^{[1
]}

He, Xiangming ^{[1
]}

Wan, Chunrong ^{[1
]}

Jiang, Changyin ^{[1
]}

机构：

[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China

来源：

IONICS | 2008年 / 14卷 / 05期

关键词：

solid polymer electrolytes; star macromolecules; thermal properties; ionic conductivities; Li-ion batteries;

D O I：

10.1007/s11581-007-0192-x

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The star macromolecules (SM) were synthesized from phloroglucinol, phosphorus oxychloride, and poly(ethylene glycol methyl ether) with different molecular weight. Structures of the products were characterized by Fourier transform infrared and H-1-nuclear magnetic resonance. Solid polymer electrolyte films were prepared by mixing the products with poly(ethylene oxide) (PEO) and LiClO4. The polymer blends of PEO and SM have been characterized by differential scanning calorimetry and thermogravimetry, and the polymer electrolytes have been characterized by alternating current impedance. All the SM products could improve the conductivities of the polymer electrolyte obviously at a temperature range from 20 degrees C to 80 degrees C.

引用

页码：463 / 467

页数：5

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