摘 要
本研究製備之高分子電解質薄膜係以含聚乙烯醚之環氧樹脂（（polyethylene glycol） diglycidyl ether, PEGDE）與雙氨基聚丙烯醚（polyoxypropylenediamine, Jeffamine D-series）在鋰鹽（LiClO4）的存在下加熱進行交鏈反應而得。藉由FT-IR、固態13C CP/MAS NMR鑑定其結構與反應。所得之高分子電解質以不銹鋼為電極，利用交流阻抗分析法（ac-impedance）測量其離子導電度，並探討溫度、鋰鹽濃度、雙氨基聚丙烯醚鏈段長短及混摻diglycidyl ether of bisphenol-A（DGEBA）對其離子導電度之影響。藉由DSC、DMA可得知高分子之熱轉移（thermal transition）及黏彈性質，有助於分析其對離子導電度之影響；透過TGA分析得知各高分子及其錯合物（complexes）之熱穩定性。藉由FT-IR與7Li之魔術轉角（MAS）固態核磁共振光譜分析鋰離子於高分子電解質中之作用力（interaction）環境變化。
另製備以無溶劑高分子錯合物吸收（soaking）碳酸丙烯（propylene carbonate）溶劑而得之膠態（gelled-type）電解質薄膜；並以交流阻抗分析法、DSC與TGA等方法，分析膠態電解質之物性對導電度表現之影響。

Abstract
A series of crosslinked polyether-based polymers and their complexes with LiClO4 have been prepared and characterized by FT-IR and solid-state NMR (13C and 7Li nucleus). Significant coordination interactions between ions and the host polymer have been observed by means of differential scanning calorimeter (DSC), FT-IR, 7Li magic angle spinning (MAS) NMR, dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA). All events refer that Li-ions will prefe- rentially occupy the amine crosslinking sites until saturated, and then the excess Li-ions coordinate with the polyether chain segments. The results of 7Li MAS NMR reveal that Li-salt comes into being ion pairs or aggregates in high Li-salt concentration specimens, further supported by the consequences of DSC and FT-IR. These phenomena crucially affect the conductivity of the polymer electrolytes. The dependence of ionic conductivity was investigated as functions of temperature, LiClO4 concentration and PPO-segment length, and the results were studied by Arrhenius and Vogel-Tamman-Fulcher (VTF) equations to acquire the information of Li-ion transport. The results show that the conducting behavior of the complexes obey both Arrhenius and VTF manners throughout the temperature range 288-358 K, suggesting the coordinated motion model of the ionic hopping with the moving polymer chain segment.

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