本研究主要方向為研發一種適用於微型呼吸式直接甲醇平板燃料電池組的新型樹枝狀流道板，為了達微小化之目的，本研究利用微機電製程技術(微影製程與微電鑄技術)來製作以銅為基材的流道板，組裝出單電池與4-cell平板式電池組，並利用實驗方式，針對微型直接甲醇燃料電池與電池組進行性能量測與分析。在實驗操作中以陽極流量、甲醇濃度以及操作溫度為主要參數，探討對於單電池與電池組的極化曲線與功率密度的影響，並將實驗結果以V-I與P-I曲線來表示。研究結果得到單電池當甲醇流量為3sccm、濃度為1M、操作溫度為60oC時可得最大功率密度37.43 mW/cm2；而4-cell電池組則在甲醇流量為16sccm、濃度為1M、操作溫度為60oC時可得最大功率密度為37.29 mW/cm2。

The main objective of this research is to design a new type of flow field plate for planar micro direct methanol fuel cell stacks with air-breathing. The flow field plate adopted in this study were fabricated on copper metal through MEMS and micro-electroforming manufacturing process. The measurement results with different operating parameters were also extensively discussed to optimize the single cell and 4-cell stack. The experimental results show that single cell achieved a maximum power density of 37.43 mW/cm2 under a optimum working condition (T=60oC, QMeOH=3sccm and C=1M ). And it is also found that optimum 4-cell stack performance can be reached at 37.29 mW/cm2 power density under a working condition (T=60oC, QMeOH=16sccm and C=1M ).

目錄
目錄 i
表目錄 iv
圖目錄 v
符號說明 vii
中文摘要 ix
英文摘要 x
第一章　序論 1
1-1前言 1
1-2燃料電池發展之歷史與簡介 3
1-3文獻回顧 7
1-4研究目的 18
第二章　燃料電池元件設計與製作 24
2-1直接甲醇燃料電池組成元件 24
2-2直接甲醇燃料電池電化學反應 29
2-3燃料電池設計要點 32
2-4微型直接甲醇燃料電池組設計與製作 34
2-5微型直接甲醇燃料電池組組裝 38
第三章　實驗設備與元件材料 46
3-1實驗設備 46
3-2實驗元件與材料 49
第四章　燃料電池性能分析 56
4-1電極熱力學 56
4-2極化現象 63
4-3甲醇橫滲 66
第五章　誤差分析 70
第六章　結果與討論 74
6-1單電池之最佳操作參數 75
6-2不同流道設計對單電池性能的影響 78
6-3甲醇濃度對電池組性能的影響 82
6-4操作溫度對電池組性能的影響 84
6-5甲醇流量對電池組性能的影響 85
6-6電池組中個別單元電池的性能曲線影響 87
6-7Exergy分析 90
第七章　結論與建議 116
7-1結論 116
7-2未來展望 118
參考文獻 120
附錄A 129
附錄B 136

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