臺灣博碩士論文加值系統

世界經濟的變遷和社會的快速發展，人們對於能源的需求有爆炸性的成長。提高能源利用率與能源儲存，成為科技發展的重要顯學。超級電容器是一種重要的儲能裝置，已成為各國努力發展的目標。本研究利用具有偽電容效應的導電高分子加入多壁奈米碳管與石墨烯中製作砂紙基複合式電極之用。經循環伏安分析發現添加3%的導電高分子PEDOT之砂紙基電極能有效將其比電容量由55F/g提升到124F/g。此外，在磷酸凝膠電解質中添加1.0%的多壁奈米碳管能有效降低電解質的內電阻值，並將電極的電容量增加到137F/g，且在恆電流下進行循環壽命分析測試，發現其比電容量仍保有初始電容量的97%，顯示此儲能元件具有優異的循環壽命。此種複合式超級電容器，未來在可撓式穿載裝置與儲能元件的應用上都具有相當大的發展潛力。

With the changes in the world economy and the rapid development of society, the energy request is glowed explosively from people. Improving energy utilization and energy storage had been become an important manifestation of science and technology development. Supercapacitors is an important energy storage device and it has become the goals of national efforts to develop. A sandpaper-based composite electrode was prepared by mixture the multi-walled carbon nanotubes (MWCNTs) and graphene (G) with a conductive polymer (Poly-3,4-Ethylenedioxythiophene) (PEDOT) with a pseudo-capacitance characteristics. The specific capacitance of the composite electrode could be effectively increased from 55 to 124F/g after 3% PEDOT adding. In addition, the internal resistance of the electrolyte could be effectively reduced, and the electrode capacitance could be increase to 137 F/g simultaneously, as 1.0% MWCNTs was adding to the phosphate gel electrolyte. The specific capacitance of the energy storage device still retains 97% of its initial capacitance after the charge-discharge cycles testing under constant current, which indicated the device possesses an excellent cycling-life performance. The hybrid supercapacitor we provided in this study also has considerable development potential in the flexible wearable device and energy storage component in the future.

中文摘要 …………………………………………………………… i
英文摘要 …………………………………………………………… ii
誌謝 …………………………………………………………… iii
目錄 …………………………………………………………… iv
表目錄 …………………………………………………………… v
圖目錄 …………………………………………………………… vi
第一章 緒論……………………………………………………… 1
1.1 前言……………………………………………………… 1
1.2 研究動機與目的………………………………………… 2
1.3 專利檢索………………………………………………… 3
第二章 研究方法與步驟………………………………………… 5
2.1 砂紙基電極之製備……………………………………… 5
2.2 凝膠電解質之製備……………………………………… 5
2.3 超級電容器之組立與封裝……………………………… 5
2.4 砂紙基電極之特性分析………………………………… 6
第三章 結果與討論……………………………………………… 7
3.1 電極的表面形貌………………………………………… 7
3.2 砂紙基電極之循環伏安分析…………………………… 7
3.3 凝膠電解質之循環伏安分析……...…………………… 8
3.4 超級電容器之電化學分析……...……………………… 9
第四章 結論……………………………………………………… 10
第五章 未來展望………………………………………………… 11
參考文獻 …………………………………………………………… 12
英文論文大綱 …………………………………………………………… 23

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