博碩士論文 943208008 詳細資訊


姓名 顧志誠(Chih-cheng Ku)  查詢紙本館藏   畢業系所 能源工程研究所
論文名稱 燃料電池複合式流道設計與膜電極組製程
(New designs for gathering water produced within fuel cell and fabrication of membrane exchange assembles)
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摘要(中) 燃料電池以其發電效率高及燃料多元之特性,成為最具潛力的新能源技術,其中又以質子交換膜型燃料電池發展最為興盛。然而質子交換膜式電池內水氾濫之問題,卻影響燃料電池長時間操作之穩定性。
本論文主要開發質子交換膜型燃料單電池零組件之新設計與製造。利用可控制進氣與進料之雙控噴槍,針對傳統膜電極組塗佈機台加以改良,進而提升膜電極組之平整性。結合蛇行、柵狀與指叉流道設計,解決傳統燃料電池設計中內部生成水移除之問題,並在不同的操作條件下,觀察極化曲線之變化以了解此燃料電池設計之特性。且透過八小時操作,並從各區域間裝置汲水裝置觀察水量分佈,了解分布反應區域分布均勻度對於操作之穩定度有正面之影響。
摘要(英) Fuel cell, characterized by high efficiency and plural fuel, becomes the most potential new energy technology. Among all kinds of fuel cells, Proton exchange membrane fuel cell is the most promising one. However, Flooding in fuel cell is the most serious problem for the long time, stable operation.
The experiment demonstrates new designs for gathering water produced within cell and fabrication of membrane exchange assembles.
The fuel cell is operated under different conditions to study the characteristics of new designs. The results reveal when the response area is evenly distributed, the operation is stable.
關鍵字(中) ★ 燃料電池設計
★ 質子交換膜
關鍵字(英) ★ fuel cell design
★ Proton exchange membrane fuel cell
★ water management
論文目次 目錄
中文摘要………………………………………………………………I
英文摘要………………………………………………………………II
致謝……………………………………………………………………III
目錄……………………………………………………………………IV
表目錄…………………………………………………………………VII
圖目錄……………………………………………………………… VIII
第一章 序論…………………………………………………1
1.1前言……………………………………………………………1
1.2 燃料電池發電原理……………………………………………1
1.3 燃料電池之種類………………………………………………2
1.4 文獻回顧………………………………………………………7
1.5 研究目的………………………………………………………13
第二章 質子交換膜型燃料電池……………………………15
2.1 質子交換膜燃料電池運作原理………………………………15
2.2 質子交換膜型燃料電池之特點………………………………15
2.3 質子交換膜型燃料電池之結構………………………………17
2.3-1 端板………………………………………………………17
2.3-2 雙極板……………………………………………………17
2.3-3 氣體擴散層……………………………………………19
2.3-4 膜電極組………………………………………………20
2.4 極化曲線……………………………………………………22
第三章 實驗設備材料與製程……………………………23
3.1 電池設計……………………………………………………23
3.1-1 材料選擇 ………………………………………………24
3.1-2 電池CNC加工 …………………………………………25
3.2 觸媒層製程…………………………………………………26
3.2-1 質子交換膜之前處理 …………………………………27
3.2-2 觸媒層塗佈製程 ………………………………………27
第四章 結果與討論
4.1複合式燃料電池設計………………………………………29
4.2進氣入口位置與流量之影響………………………………30
4.2-1氫氣氧氣從頂部進氣 …………………………………30
4.2-2 氫氣上方進氣、氧氣底部進氣………………………31
4.2-3 氫氣氧氣於電池底部進氣……………………………32
4.2-4 氫氣底部進氣、氧氣上方進氣………………………33
4.3 定電流之水分布……………………………………………34
4.4 膜電極組塗佈製程…………………………………………35
第五章 結論與建議……………………………………………36
參考文獻…………………………………………………………38
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指導教授 洪勵吾(Lih-Wu Hourng) 審核日期 2007-7-6
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