臺灣博碩士論文加值系統

本次研究主要以氧化錳/氧化石墨烯為複合材料，利用氧化石墨烯的高比表面積藉以提高氧化錳的反應。用SEM EDS maping掃描錳在氧化石墨烯表面的分佈，分別得知在添加不同的過錳酸鉀重量比中會是125%覆蓋範圍較廣。利用XRD與EPR分別得知在過錳酸鉀添加比例較高時所得到的錳四價成分較多且電容值較高。
添加不同重量比之碳黑與不同重量比之過錳酸鉀製備成電極以恆電位儀(Jiehan 500 electrochemical workstation)作循環伏安測試求其電容值。結果顯示在添加不同重量比40 %之碳黑與100%之過錳酸鉀試片中有較高的電容值58.809 F/G。

This research mainly manganese oxide / graphene oxide as a composite material, the use of graphene oxide with high specific surface area in order to enhance the reaction of manganese oxide. Scan using SEM EDS mapping graphene oxide of manganese in the distribution of the surface, namely that the addition of potassium permanganate different weight ratio will be 125% coverage is wide. The XRD and EPR, respectively, adding that the high proportion of potassium permanganate is obtained when a larger proportion of manganese (IV) and capacitance value is higher.
Add different weight ratios of carbon black with different weight ratios of potassium permanganate prepared electrode potentiostat (Jiehan 500 electrochemical workstation) for cyclic voltammetry tests find its capacitance value. The results showed that the addition of different weight ratio of 40% to 100% of carbon black and potassium permanganate test strip has a higher capacitance value 58.809 F / G.

摘要 I
目錄 II
表目錄 III
圖目錄 VI
第一章 前言 1
第二章 實驗原理與文獻回顧 3
2-1 氧化石墨烯簡介 3
2-1-2 石墨烯製備方法 4
2-2 電化學原理簡介 6
2-3 電容器元件簡介 9
2-3-1 電容原理 9
2-3-2超電容原理 11
2-4 超電容簡介 15
2-4-1 超電容種類 15
2-4-2 不同電解質對電容器之影響 16
2-5 影響超電容特性之因素17
2-6 金屬氧化物電極 19
2-7 錳氧化物於超電容之應用 21

第三章 實驗步驟與方法 24
3-1 實驗方法 26
3-2 實驗儀器簡介 28
第四章 結果與討論 36
4-1 場發射掃描式電子顯微鏡含EDS 36
4-1-1 鱗片狀石墨表面形貌 36
4-1-2 氧化石墨烯與添加不同含量之過錳酸鉀之表面形貌 36
4-2 球面像差修正掃描穿透式電子顯微鏡 49
4-3 X-RAY繞射分析(XRD) 56
4-4 顯微拉曼及光激光譜儀(Raman) 61
4-5 電子順磁共振光譜儀(EPR) 64
4-6 電化學分析儀 68
第五章 結論 78
第六章 參考文獻 80

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