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研究生: 常珮妤
Pei-Yu Chang
論文名稱: PtM/C奈米合金中金屬M對Pt吸附CO電位及甲醇氧化效應的研究
指導教授: 徐新光
Shin-Guang Shyu
口試委員:
學位類別: 碩士
Master
系所名稱: 理學院 - 化學學系
Department of Chemistry
畢業學年度: 94
語文別: 中文
論文頁數: 66
中文關鍵詞: 燃料電池
外文關鍵詞: fuel cell
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  • 本實驗是以初濕含浸(Incipient-Wetness)的方式來合成單金屬(M/C)觸媒,及用共沉澱(co-precipitation)的方式來製備雙金屬(PtM/C)觸媒,並以活性碳(Vulcan XC72R)來作為其支撐物。首先,先用TPR (Temperture- Programmed Reaction)找出還原溫度再用氫氣去活化,WDS或EDS確保完全還原。接著用ICP(Inductively Coupled Plasma)及TEM (Transmission Electron Microscope)來測得其金搷t量、顆粒大小及分布情形。最後,再配合CV(Cyclic Voltammetry)來測試觸媒對甲醇氧化的電化學活性及吸附CO的氧化電位,利用測得的結果來探討第二金屬的影響效應。


    In our experiment, we synthesized the carbon supported monometal (M/C) catalysts and bimetal (PtM/C) catalysts by Incipient-Wetness and co-precipitation. First, we located the reductive temperature of catalysts with TPR (Temperture- Programmed Reaction). Then we used hydrogen for activation and WDS or EDS to confirm the completely reduction. The metal abundance and particle size distribution are characterized with ICP (Inductively Coupled Plasma) and TEM (Transmission Electron Microscope). Finally, we used CV (Cyclic Voltammetry) to test the methanol oxidative voltage and the CO stripping voltage and identify the catalysts’ electrochemical activity. According to the result, we discussed the effects of the second metal in the reactions.

    中文摘要................................................................................................ Ⅰ 英文摘要................................................................................................ Ⅱ 目錄……………………………………………………………………..Ⅲ 表目錄…………………………………………………………………..Ⅴ 圖目錄…………………………………………………………………..Ⅵ 第一章 緒 論………………………………………………..…………1 1-1 能源危機………………………………………………..…………1 1-2 燃料電池……………………………………………………….….2 1-3 直接甲醇燃料電池……………………………………………......4 1-3-1 工作原理…………………………………………………...…4 1-3-2 甲醇在鉑上的電催化氧化機制……………………………...5 1-3-3 鉑基雙金屬的促進機制……………………………………...7 1-4 擔體的使用……………………………………………………..…9 1-5 文獻回顧………………………………………………………...10 1-6 研究動機及目的…………………………………………….…...14 第二章 實 驗…………………………………………………………16 2-1 實驗藥品…………………………………………………………16 2-2 實驗儀器…………………………………………………………17 2-3 實驗氣體…………………………………………………………18 2-4 實驗部分………………………………………………………....18 2-4-1 程溫還原裝置……………………………………………….18 2-4-2 ㄧ元及二元觸媒的製備…………………………………….20 2-4-3 鑑定觸媒特性的儀器……………………………………….22 第三章 結果與討論……………………………………..……………25 3-1 PtRu/C…………………………………………………………...25 3-2 PtSn/C…………………………………………………………...38 3-3 PtRh/C……………………………………..…………….………47 3-4 PtNi/C……….……………………………..…………………….54 第四章 結 論…………………………………………………………62 參考文獻………………………………………………………………..63

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