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研究生： 張仁禎
Jen-Chen Chang
論文名稱： 陽極孔洞大小及貴重金屬添加對單氣室固態氧化物燃料電池的影響
The effects of anode pore size and noble metal addition on SC-SOFC
指導教授： 蕭敬業
Ching-Yeh Shiau
口試委員: 劉端祺
Tuan-Chi Liu
周振嘉
Chen-Chia Chou
學位類別： 碩士
Master
系所名稱： 工程學院 - 化學工程系
Department of Chemical Engineering
論文出版年： 2009
畢業學年度： 97
語文別： 中文
論文頁數： 85
中文關鍵詞： 電泳沉積 、貴金屬 、孔洞 、單氣室 、多層陽極 、固態氧化物燃料電池
外文關鍵詞： elexphoretic deposition, solid oxide fuel cell, noble metal, pore, single chamber, multi-layer anode
相關次數： 點閱：263  下載：0 
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    • 本論文旨在以各種不同的方法改善單氣室固態氧化燃料電池 (SC-SOFC) 之陽極，其方法包括改變陽極 NiO-SDC 之比例、摻雜不同孔洞生成劑(石墨、澱粉、PMMA)、製備多層孔洞型陽極以及摻雜不同貴金屬(Ru、Rh、Pd)。同時藉由電子顯微鏡 (SEM) 、交流阻抗 (AC-impedance) 以及電功密度測試來研究陽極改變對電池的影響。電池功率測試進料為甲烷與空氣，操作溫度為500-700℃。
    由實驗結果得知， NiO-SDC 比例為 6 : 4 所製備之陽極擁有最佳的電化學性質；在添加的孔洞生成劑當中，以摻雜石墨所製備之陽極，擁有較佳的電功密度；而製備多層孔洞型陽極所測得的電功密度也較單層孔洞型陽極佳；摻雜貴金屬Pd於陽極中可提高電池功率，且其功率隨著Pd摻雜量增加而增加，而陽極摻雜3 wt% Pd所製備之電池，於600 ℃下測得的最大電功密度 ( Power density ) 與開環電位值 ( OCV ) 分別為 331 mW/cm2 與 0.84 V；摻雜貴金屬Rh、Ru於陽極中反而會降低電池功率密度；另外以Rh滴定於陽極表面的實驗結果顯示，此方式可有效改善Rh直接摻雜陽極的缺點，而陽極表面滴定0.1 wt% Rh所製備之電池，其最大電功密度與開環電位值分別為 339 mW/cm2 與 0.825 V。

    This study intends to improve the performance of anode in a single-chamber solid state oxide fuel cell (SC-SOFC) via various methods including adjusting NiO-SDC ratio, adding pore former (graphite, starch and PMMA), preparing multi-layers anode and adding noble metals (Ru, Rh, Pd) into anode. The anodes as prepared were analyzed by scanning electron microscope (SEM), AC impedance. The cell systems were tested for power density at the temperature range of 500 - 700 ℃. Methane and air were used as fuel resource.
    The experimental results show that the best ratio of NiO-SDC is 6:4. When the pore former was used, the anode with graphite added possesses as higher power density. It is also noted that SC-SOFC with multi-layer anode prevails over that with single layer anode. When adding noble metal to the anode, Pd addition was found to be able to promote the cell power density, At 600℃, the maximum power density and the open circuit voltage (OCV) are 331 mW/cm2 and 0.84 V, respectively, for the anode with 3wt% Pd addition. However, adding Rh and Ru were found to reduce the cell performance. On the other hand, dropping instead of directly adding Rh in the anode exhibits higher power density. The maximum power density and OCV are 339 mW/cm2 and 0.84 V, respectively, when dropping 0.1wt% Rh on the anode surface.

    目錄 中文摘要 英文摘要 誌謝 目錄圖 目錄 表目錄 第一章 緒論 1-1 前言 1-2 研究動機 第二章 文獻回顧與理論基礎 2-1 固態氧化物燃料電池基本原理 2-1-1 雙氣室固態氧化物燃料電池 (DC – SOFC) 2-1-2 單氣室固態氧化物燃料電池 (SC - SOFC) 2-2 SOFC陽極 2-2-1 Ni電解質陽極材料 2-2-2 鈣鈦礦結構陽極材料 2-2-3 陽極改質 2-3 固態氧化物燃料電池電解質 2-3-1 氧化鋯系列電解質 2-3-2 氧化鈰系列電解質 2-3-3 氧化鉍系列電解質 2-3-4 鑭鎵氧系列電解質 2-4 固態氧化物燃料電池陰極 2-5 粉體製備 2-6 電泳沉積法 第三章 實驗方法與步驟 3-1 實驗方法 3-2 儀器設備 3-3 實驗藥品 3-4 電池元件的製備 3-4-1 製備 SDC 電解質與 SSC 陰極粉末 3-4-2 製備陽極基材 ( NiO – SDC - 孔洞生成劑 – 貴金屬 ) 3-4-3 配置電泳懸浮液 3-4-4 製備 SDC 電解質層 3-4-5 調製陰極網印用膠 3-4-6 製備陰極電極 3-4-7 製備電流收集器 3-4-8 陽極 ( NiO – SDC ) 之還原 3-5 燃料電池之特性鑑定與分析 3-5-1 SEM 表面影像分析 3-5-2 EDX元素分析 3-5-3 交流阻抗分析 3-6 燃料電池之測試 第四章 結果與討論 4-1 以不同NiO - SDC比之陽極所製備之電池 4-1-1 SEM與EDS分析 4-1-2 電功率密度測試 4-1-3 交流阻抗分析 4-2 摻雜孔洞生成劑之陽極 4-2-1 SEM分析 4-2-2 電功率密度測試 4-2-3 交流阻抗分析 4-3 石墨含量對陽極及其電池之影響 4-3-1 SEM分析 4-3-2 電功率密度測試 4-4 多層陽極對電池的影響 4-4-1 SEM分析 4-4-2 電功率密度測試 4-5 CH4-O2 比例對電池的影響 4-6 陽極摻雜不同貴金屬對電池的影響 4-6-1 SEM分析 4-6-2 交流阻抗分析 4-6-3 電功率密度測試 4-7 Pd含量對陽極及其電池之影響 4-7-1 電功率密度測試 4-8 陽極表面滴定貴金屬對電池之影響 4-8-1 SEM分析 4-8-2 電功率密度測試 第五章 結論 參考文獻

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