本研究發展一種利用壓電驅動原件製造一個空氣泵浦(Air-breathing)，以供應質子交換膜燃料電池(PEMFC)堆所需要的氧氣。利用永久磁鐵與壓電驅動原件結合的磁力去推動三個空氣泵浦。這樣的設計可以使空氣幫浦能同時為磁力連動雙邊壓電式質子交換膜燃料電池堆(後稱“bi-cell PZTmag-PEMFC stack”)的所有陰極流道板提供足夠的空氣。在操作條件40 V以及70 Hz時，當PZTmag與PDMSmag同時使用直徑6 mm厚度1 mm的磁鐵時，可以得到最大的位移量87 μm，耗能為0.03 W。最後經由實驗結果得知bi-cell PZTmag-PEMFC stack之淨輸出能量密度為0.1925 W cm-2，比較過去研究[1]的3顆bi-cell PZT-PEMFC，發電量淨輸出能量密度提高了20%，且體積與重量分別降低了68%以及76%。此外，與傳統雙極板流道設計的六顆串聯質子交換膜燃料電池相比[2]，本研究所設計之燃料電池在歐姆極化區損失的電壓降較小。

This study develops an air-breathing pump driven by a piezoelectric actuator to provide air for a Proton Exchange Membrane Fuel Cell (PEMFC) stack. Permanent magnets are combined with a piezoelectric actuator to drive three air breathing pumps using the magnetic force. This design enables the pump to simultaneously provide a sufficient amount of air to all the cathode flow field plate of a “bi-cell PZTmag–PEMFC stack”. When both the PZTmag and the PDMSmag used a magnet with a 6 mm diameter and 1 mm thickness, the maximum amplitude of 87 μm was produced under operating conditions of 70 Hz and 40 V, and the power consumption was 0.03 W. The resulting maximum net power density of the bi-cell PZTmag–PEMFC stack was 0.1925 W cm-2. Compared with the performance reported in previous research [1] on three bi-cell PZT-PEMFC, the net power density increased by 20%, and its volume and weight were reduced by 68% and 76%, respectively. Furthermore, this design has less voltage loss in ohmic polarization region compared with the traditional bipolar plate PEMFC stack when the cells are in series [2].

口試委員審定書 I
致謝 II
摘要 III
Abstract IV
目錄 V
圖目錄 VIII
表目錄 XI
符號表 XII
第一章 緒論 1
1.1前言 1
1.2研究背景 1
1.2.1 燃料電池簡介 1
1.2.2 燃料電池種類介紹 2
1.2.3 質子交換膜燃料電池之構造 6
1.2.4 燃料電池之流道板設計 7
1.3研究動機與目的 8
1.4文獻回顧 9
第二章 壓電磁力燃料電池堆工作原理 13
2.1燃料電池基本原理 13
2.1.1燃料電池理想電位 13
2.1.2燃料電池之極化損失 14
2.1.3燃料電池效率分析 15
2.1.4 燃料電池反應所需氫氣量與氧氣量 17
2.2 壓電材料的特性 18
2.2.1壓電效應 18
2.2.2壓電材料 18
2.3壓電磁力制動器機制分析 19
2.3.1無閥空氣幫浦作動機制 19
2.3.2磁力壓電薄膜理論 22
第三章 壓電磁力燃料電池堆設計與製造 24
3.1 PZT 24
3.2 PDMS薄膜製造 24
3.3膜電極組(MEA) 25
3.4銣鐵硼磁鐵 25
3.5壓電磁力燃料電池堆製造 25
3.6壓電磁力燃料電池堆設計參數與材料 26
第四章 實驗設備與方法 28
4.1實驗設備 28
4.1.1燃料電池測試機台 28
4.1.2氣體質量流量控制器 28
4.1.3壓電片供電儀器與量測裝置 28
4.1.4光纖位移計 29
4.1.4示波器 30
4.2 PZT制動器振幅實驗 30
4.2.1 PDMS固化時間對PZT制動器之影響 30
4.2.2不同磁鐵尺寸對PZTmag制動器工作之影響 31
4.2.3不同磁鐵尺寸對PZTmag燃料電池堆工作之影響 31
4.3電池堆組裝與電性實驗 31
4.3.1電池組裝方法 32
4.3.3實驗步驟與機台設定 33
第五章 結果與討論 35
5.1 PZT-PDMS制動器之震動振幅理論值 35
5.2 PZT-PDMS制動器之震動振幅與消耗功率 35
5.3 磁鐵尺寸對PZTmag制動器之影響 36
5.4 電池堆組裝對PZTmag之影響 36
5.5壓電磁力燃料電池堆串聯發電量 37
5.6壓電磁力燃料電池堆各電池組發電量 38
第六章 結論與建議 40
6.1結論 40
6.2建議 41
參考文獻 42

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