微型直接甲醇燃料電池微製程製造與系統整合

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研究生：	賴昱嘉 Yu-Chia Lai
論文名稱：	微型直接甲醇燃料電池微製程製造與系統整合 Design, Microfabrication, and Integration of μDMFC System
指導教授：	饒達仁 Da-Jeng Yao
口試委員:
學位類別：	碩士 Master
系所名稱：	工學院 - 動力機械工程學系 Department of Power Mechanical Engineering
論文出版年：	2006
畢業學年度：	94
語文別：	中文
論文頁數：	122
中文關鍵詞：	微型甲醇燃料電池、微機電
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本計畫所要進行的研究，主要利用微機電技術(MEMS)，進行直接甲醇燃料電池(DMFC)的微型化，由於我們最終的目的，是希望能夠將微型直接甲醇燃料電池應用在可攜式電子產品上。所以我們希望能夠發展出一個簡單、便宜的製程。而且在加上一個好的組裝方式，因為唯有這樣，才能讓我們所製作出來的微型直接甲醇燃料電池，在不因為事後組裝方式而降低性能的狀況下，進而來提升電池的性能。
在我們製作出µDMFC之後，我們則是在改變不同的陽極濃度、陰極流速、工作環境溫度以及流道面積與MEA總面積比的參數下進行量測。接著，也利用流道上金屬層的不一樣，來探討金屬層鉑(Pt)是否可以增加整體的觸媒表面積，因而增加µDMFC的性能。

The research is to fabricate the micro direct methanol fuel cell (μDMFC) by using MEMS technology. The goal is to apply the μDMFC in the portable electronic devices. Thus, to develop a simple and cheap fabrication for a micro direct methanol fuel cell is necessary. Furthermore, a good package is also an important part in order to obtain the good performance of μDMFC.
Then we mearsured the performance of μDMFC under different conditions: the different concentration of methanol solution, different velocity of air, different operating environment temperature, and the ratio of area between channel and area of MEA. In addition, we use different metal to investigate whether th Pt can increase the area of catalyst to improve the power density or not.

總目錄
摘要    i
Abstract    ii
誌謝    iii
總目錄    iv
圖目錄    .................................................................vii
表目錄    ..................................................................xv
第一章 緒論    1
1.1 前言    1
1.2 燃料電池的發展    3
1.3 燃料電池的種類    7
    1.4 燃料電池工作原理    13
       1.4.1 極化現象............................................................................14
    1.5 文獻回顧    18
    1.6 研究動機    23
第二章 微型直接甲醇燃料電池設計製作與實驗    25
2.1 直接甲醇燃料電池之結構    .......................................................25
2.2 直接甲醇燃料電池工作原理    ...................................................25
2.3 大型直接甲醇燃料電池    ...........................................................28
       2.3.1 大型直接甲醇燃料電池設計............................................28
       2.3.2 大型直接甲醇燃料電池製作............................................28
      2.3.3 大型直接甲醇燃料電池組裝的方式................................29
    2.4 第一代直接甲醇燃料電池堆    32
       2.4.1 第一代直接甲醇燃料電池堆設計....................................32
       2.4.2 第一代直接甲醇燃料電池製作........................................40
         2.4.2.1 MEA的製作.................................................................40
         2.4.2.1 陽極、陰極的製作........................................................40
       2.4.3 第一代直接甲醇燃料電池堆組合的方式........................46
    2.5 第二代直接甲醇燃料電池堆    47
       2.5.1 第二代直接甲醇燃料電池堆設計....................................47
       2.5.2 第二代直接甲醇燃料電池製作........................................53
         2.5.2.1 MEA的製作.................................................................53
         2.5.2.1 陽極、陰極的製作........................................................54
       2.5.3 第二代直接甲醇燃料電池堆組合的方式........................58
第三章 實驗初步結果與討論    61
3.1 大型直接甲醇燃料電池    61
3.2 第一代直接甲醇燃料電池堆    63
3.3 第二代直接甲醇燃料電池堆    65
      3.3.1 流道面積與MEA總面積比例對於µDMFC的影響.......69
      3.3.2 甲醇水溶液濃度對於µDMFC的影響..............................71
      3.3.3 陰極空氣進氣方式對於µDMFC的影響..........................82
      3.3.4 工作環境溫度對於µDMFC的影響..................................93
      3.3.5 組裝方式對於µDMFC的影響........................................104
      3.3.6 夾MEA下，金屬表面為Au與Pt的差...........................104
      3.3.7 夾MEA下，將電極泡在nafion solution裡.....................107
      3.3.8夾nafion 117質子交換膜下，金屬表面為Au與Pt的差別
           ..........................................................................................108
      3.3.9 夾nafion 117質子交換膜下，金屬表面Pt，加上電場.....111
第四章 結論及未來展望    116
    4.1 結論.........................................................................................116
    4.2 未來展望.................................................................................118
參考文獻    ..................................................................................120

                                

參考文獻
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