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題名 | The Addition of Al[feaf]O[feb0]in Composite Electrolytes Consisting of Polyethylene Oxide and Polytetramethylene Glycol-Based Waterborne Polyurethane=氧化鋁添加於PTMG為基材水性聚胺基甲酸酯及PEO組成之複合式電解質研究 |
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作者 | 巫明憲; 溫添進; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷期 | 32:1 2001.01[民90.01] |
頁次 | 頁47-56 |
分類號 | 460.02 |
關鍵詞 | 氧化鋁; 複合式電解質; PEO; Waterborne polyurethane; Polymer electrolyte; Aluminum oxide; Inert additive; |
語文 | 英文(English) |
中文摘要 | 本研究乃是探討Al₂O₃添加對於複合式電解質的影響。複合式電解質是PEO、以 PTMG為基材的水性PU、LiClO₄/PC及Al₂O₃所組成。利用微分熱卡計(DSC)及偏光顯微鏡(PM)分析複合式電解質的材性特性,以吸收重量實驗(swollen weight)評估複合式電解質的最大吸量,並以交流阻抗分析儀(AC Impedance)來測得其離子導電度。最後組成Li/CEs/LiCoO2的薄形電池來量測其開環電位(Ocv)。實驗的結果顯示,20% PEO,20% WPU(PTMG),10% Al₂O₃及50% LiClO₄/PC 的複合式電解質的各項特性表現最佳。 |
英文摘要 | Composite electrolytes (CEs) containing polyethylene oxide (PEO), polytetram-ethylene glycol based waterborne polyurethane (WPU(PTMG)), LiClO₄/propylene carbonate (PC), and aluminum oxide (Al₂O₃) were prepared by blending. The influences of the addition of Al₂O₃ in CEs were investigated using the following methods. Differential scanning calorimetry (DSC) and polarizing microscopy (PM) were employed for material characterization. The swollen weight of CEs was measured to appraise the maximum tolerated in intake. Alternating current (AC) impedance was employed to obtain the ionic conductivity. Furthermore, Li/CEs/Li-CoO₂ laminated cells were assembled to measure open-circuit voltages (Voc) for the application evaluation. Accordingly, the CE consisting of 20% PEO, 20% WPU(PTMG), 10% Al₂O₃, and 50% LiClo₄/PC was found to have the best performance for all the investigated characteristics. |
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