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題 名 | 應用循環伏安法使用微小電極研究分析二次鋅電極的電化學特性=Application of Cycle Voltammetry Method with a Microelectrode to Study the Electrochemical Properties of Secondary Zn Electrodes |
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作 者 | 楊純誠; 王景立; | 書刊名 | 明志學報 |
卷 期 | 38:1 民95.06 |
頁 次 | 頁81-90 |
分類號 | 468.1 |
關鍵詞 | 微鋅電極; 二次鋅陽極; 金屬燃料電池; 循環伏安法; Microelectrode; Secondary Zn electrode; Metallic fuel cell; Cyclic voltammetry; CV; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究主要是應用循環伏安法(CV)使用微小鋅電極分析二次鋅電極的電化學性質,此為快速、簡易的電 化學方法開發研究的二次鋅電極的配方,尤其添加劑的影響;可以將不同鋅陽極配方製作成微小電極(dia=1mm)進行測試,藉由此方法可評估鋅極的充/放電次數,因此可大幅縮短二次鋅空氣電池在鋅陽極配方上的開發時間。同時觀察CV分析結果中的各項鋅電極電性參數,如:Q+、Q-、Ep.a、ip.a、Ep.c、ip.c等的變化情形,可以暸解二次鋅電極的配方好壞。由CV分析結果可知最佳的多孔性鋅陽極的組成70%鋅鈣粉末(ball-milled ZnO:Ca(OH)2=2.5:1+10%PTFE binder+8%Zn 粉末+5% Bi2O3粉末+5%PbO 粉末+2%nano-copper 粉末(金屬導電材料) |
英文摘要 | This study is to use a microelectrode for investigating the electrochemical properties of secondary Zn electrode by cyclic voltammetry (CV). This technique is a simple and quick electrochemistry method for developing a new chemical composition of secondary Zn electrode, especially for a small amount of the additives. The different chemical compositions of secondary Zn electrodes were prepared to form a microelectrode (diameter=1mm) and the charge/discharge properties were examined by using cyclic voltammetry. The charge/discharge time for deverloping a new chemical composition (recipe) for secondary Zn electrode could be greatly reduced when we used the microeletrode CV method. In addition, the variation of CV experimental parameters such as Q+, Q-, Ep.a, ip.a, Ep.c, ip.c, etc., can be used to optimize the chemical composition of secondary Zn electrode. According the experimental result results, it was found that the optimum composition of secondary znic electrode is a 70% ball-milled calciumzincate (ZnO:Ca(OH)=2.5:1) + 10%PTFE binder + 8%Zn powders +5%Bi2O3 powders + 5%Pbo powders +2%nano-copper powsers (as a conductive materail). |
本系統中英文摘要資訊取自各篇刊載內容。