雙極板的設計以及電極的製作，是影響燃料電池性能的兩個重要因素。因此本研究著重於兩個目標:1.新式雙極板的設計及組裝。2.改變電極噴塗方式，測試其性能差異。
在雙極板的製作上，使用碳纖維作為雙極板中的電流收集器，配合由3D Printer方式製作的組件，組裝黏合後完成。由於碳纖維柔軟，可以降低接觸電阻，而且有耐酸鹼腐蝕、重量輕、成本低廉的優點，因此碳纖維是具有發展潛力的雙極板材料。而雙極板的其他組件則皆由3D Printer製作，3D Printer在組件的設計、修改及製造上，相當的簡易快速，對於實驗研究上可隨時作出各種修改，相當便利。在電極製作上，由於不同的觸媒噴塗方式，所得到的觸媒結構會有所差異，因此特地改變噴塗方式，並探討其與性能之關係。
增加電流收集器在電極上的覆蓋面積，對於電池性能提升有顯著影響。而在本次實驗中，增加了碳纖維束的數目，減少了肋條的寬度，並且在碳纖維的製作上有改善其柔軟度，當雙極板組裝壓合後，碳纖維展開面積增加，因此電極覆蓋率上升，電池性能也隨之提高。

The design of bipolar plates and the manufacturing of electrodes are critical to the fuel cell performance. Therefore, this study has following two aspects: (1) The design and fabrication of a new bipolar plate; (2) Changing the spraying scheme in preparing the electrode.
In producing the bipolar plate, carbon fiber is used as the current collector, with the other parts of bipolar plates made by 3D Printer, and, then, completed with adhesive and compression. Since carbon fiber is soft, the contact resistance can be reduced. And it has some other advantages: the corrosion resistance of acid and alkali, light weight, and cheap. Therefore, the carbon fiber has a great potential to be the material of the bipolar plate. The other components of the bipolar plate are made from 3D Printer. The development of component is quick and easy by using 3D Printer. Especially suitable in the experiment stage. With different catalyst spraying schemes, the catalyst structure will vary, and, subsequently, the
cell performance.
The increasing in the coverage of carbon fiber on the electrode can improved the fuel cell performance significantly. With the narrowing of distance between fiber bunches and the increasing in carbon fiber, we are
able to improve the performance of the fuel cell in experiment.

目 錄+i
圖 次 +iii
表 次 +vi
第一章 緒論+1
1.1 前言+1
1.2 燃料電池簡介+2
1.3 研究目的與動機+3
1.4文獻回顧+3
第二章 PEMFC工作原理與電池種類介紹+7
2.1 PEMFC 的工作原理+7
2.2 PEMFC 之架構+8
2.2.1 質子交換膜(Membrane)+8
2.2.2 膜電極組+8
2.2.3 雙極板+9
2.3 燃料電池的極化現象+11
2.4 燃料電池的種類+13
第三章 實驗材料與儀器設備介紹+15
3.1 實驗材料+15
3.2 實驗設備+16
第四章 實驗結果與討論+24
4.1碳纖維束製作方式+24
4.2 雙極板材料選擇及製作+26
4.3 燃料電池堆的端板選擇+28
4.4 MEA之材料選擇與製作規格+28
4.5 觸媒噴塗方式+30
4.6 碳纖維束及雙極板的漏氣測試+31
4.7 非均質碳纖維雙極板燃料電池堆之性能測試+32
第五章 結論+36
參考文獻+37

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