聚丙烯腈
电解质
X射线光电子能谱
聚合物
拉曼光谱
增塑剂
离子
材料科学
化学工程
高分子化学
化学
物理化学
有机化学
电极
光学
物理
工程类
标识
DOI:10.1016/s0167-2738(98)00541-4
摘要
Raman, infrared (IR), fluorescence, X-ray photoelectron (XPS), and nuclear magnetic resonance (NMR) spectra of various combinations of the components of the polyacrylonitrile (PAN)-based electrolytes have been studied. It is found that the so-called composite- or mixed-phase polymer electrolytes are not simple mixtures of electrolytic salt, plasticizer and polymer; instead there are strong interactions between each two of the components of the electrolytes and strong competitions between the plasticizer and PAN to associate with the Li+ ions though different systems may show different interaction characteristics. By analyzing the important roles of the plasticizer, a possible mechanism of the ion transport in the PAN-based polymer electrolyte is proposed.
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