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研究生:林哲安
研究生(外文):Che-An Lin
論文名稱:Nafion/PVA-DEPE-TEOS電紡纖維質子交換膜甲醇燃料電池
論文名稱(外文):Nafion/PVA-DEPE-TEOS electro-spun fiber composite membranes for DMFCs
指導教授:余子隆
指導教授(外文):Tzyy-Leon Yu
學位類別:碩士
校院名稱:元智大學
系所名稱:化學工程與材料科學學系
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:2011
畢業學年度:99
語文別:中文
論文頁數:61
中文關鍵詞:聚乙烯醇二乙基磷乙基三乙氧基矽烷電紡直接甲醇燃料電池
外文關鍵詞:polyvinyl alcohol (PVA)Electrospinningdiethyl phosphato ethyl triethoxysilane (DEPE-TEOS)direct methanol Fuel cell (DMFC)
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本論文將聚乙烯醇(polyvinyl alcohol, PVA)/水溶液加入二乙基磷乙基三乙氧基矽烷(diethylphosphato ethyl triethoxysilane,DEPE-TEOS)混合,利用靜電紡織技術(Electrospinning)製成纖維膜。PVA-DEPE-TEOS纖維膜經由化學交聯增強機械性質。再將此PVA-DEPE-TEOS纖維膜浸漬及噴塗Nafion溶液製作複合膜。以此Nafion/DEPE-TEOS複合膜製作膜電極組(membrane electrode assembly, MEA)及進行直接甲醇燃料電池(direct methanol fuel cell, DMFC)測試。於甲醇濃度2 M、甲醇進料流量2.5 mL/min、O2流量75 mL/min、電池操作溫度90℃時,此單電池有最大功率密度107 mW/cm2。

We prepare polyvinyl alcohol (PVA) / diethylphosphate ethyl triethoxy solane (DEPE-TEOS) blend fiber thin film by electrospinning from the PVA/DEPE-TEOS mixed solution. The PVA/DEPE-TEOS thin film is then treated with chemical crosslink to improve its mechanical strength. The crosslinked PVA/DEPE-TEOS thin film is subsequently impregnated with the Nafion solution to prepare Nafion- /PVA-DEPE-TEOS composite membrane. The DMFC performance tests are carried out using MEAs prepared from present composite membrane (thickness 50μm) and Nafion-117 membrane (thickness~175μm). We show the present new proton exchange membrane has a better DMFC performance than Nafion-117 membrane.

摘要 I
Abstract II
目錄 V
表目錄 VIII
圖目錄 IX
一、序論 1
1.1 前言 1
1.2 燃料電池簡介 2
1.2.1 燃料電池的分類與優缺點 2
1.2.1 發電原理及構造 4
1.3 質子交換膜簡介 6
1.3.1 Nafion簡介 6
1.4 奈米纖維(nanofiber)簡介 8
1.5 靜電紡絲技術簡介 9
1.5.1 靜電紡絲原理 9
1.5.2 影響電紡因素 13
1.5.3 電紡纖維應用於燃料電池 19
1.6有機-無機複合膜於燃料電池上的應用 19
1.7 研究目的 21
二、實驗步驟 22
2.1 實驗藥品 22
2.2 儀器設備 23
2.3.2 Nafion/PVA-DEPE-TEOS 複合膜製作 26
2.3.3 Nafion/PVA-DEPE-TEOS 複合膜鑑定 26
2.3.4 Nafion/PVA-DEPE-TEOS複合膜之阻抗分析 27
2.3.5 Nafion/PVA-DEPE-TEOS 複合膜機械性能分析 28
2.3.6 Nafion/PVA-DEPE-TEOS 複合膜甲醇滲透率測定 29
2.3.7 Nafion/PVA-DEPE-TEOS 複合膜電極組(MEA)製備 30
2.3.7.1 膜材的前處理 30
2.3.7.2 觸媒漿料配製 30
2.3.7.3 觸媒漿料配製及MEA製備步驟 30
2.3.8 DMFC 單電池測試 31
三、結果與討論 32
3.1 PVA-DEPE-TEOS 纖維膜性質測試 32
3.1.1 PVA-DEPE-TEOS 交聯電紡纖維膜FTIR分析 32
3.1.2 PVA-DEPE-TEOS 電紡纖維膜形態分析 34
3.1.3 PVA-DEPE-TEOS 電紡纖維膜定量分析 35
3.1.4 Nafion/PVA-DEPE-TEOS 複合膜膜厚及重量量測 37
3.1.5 Nafion/PVA-DEPE-TEOS 電紡纖維膜形態分析 38
3.1.6 Nafion/PVA-DEPE-TEOS複合膜阻抗分析 41
3.1.7 Nafion/PVA-DEPE-TEOS複合膜甲醇滲透 42
3.1.8 Nafion/PVA-DEPE-TEOS複合膜拉力測試 46
3.2 DMFC單電池測試 47
四、結論 54
五、建議 55
六、參考文獻 56



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