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    Title: Ln2(Zr,Ti)2O7和LnDC氧化物製備與碳酸鹽複合材料電性行為之研究
    Other Titles: Preparation and conducting behaviors of the Ln2(Zr,Ti)2O7 and LnDC oxides and carbonate composites
    Authors: 溫良成;Wen, Liang-Cheng
    Contributors: 淡江大學化學學系博士班
    高惠春;Kao, Huey-Chuen I.
    Keywords: 固態氧化物燃料電池電解質;助鎔劑;焦氯石;螢石;複合材料;碳酸鹽;solid oxide fuel cell (SOFC);flux;pyrochlore;fluorite;composite;Carbonate
    Date: 2013
    Issue Date: 2014-01-23 13:44:43 (UTC+8)
    Abstract: 本篇論文主要以結構精算、電性分析和元素光譜分析等實驗方式,研究固態氧化物燃料電池 (SOFC) 中的電解質部分。使用的氧化物材料包括 (Y2-xLix)Ti2O7-x-aLiO0.5,簡稱YLT-aL、(Gd2-xLix)Ti2O7-x- aLiO0.5,簡稱GLT-aL、Ln2Zr2O7,簡稱LnZ、Ln2(ZrTi)O7,簡稱LnZT、以及((Ln0.2Ce0.8)O1.9),簡稱LnDC。其中LnZ、LnZT以及LnDC還與LNCO (Li2CO3與Na2CO3莫耳比1 : 1) 混合製成複合電解質材料。
    700
    The purpose of this treatise is focused on the electrolyte part of solid oxide fuel cell (SOFC), and the structure refinement, electrical analysis and XANES spectra were be used in this research. The oxide materials in this research include (Y2-xLix)Ti2O7 -aLiO0.5 (a = 0, 2 and 4, x = 0 - 0.11; a = 1 and 3, x = 0.070) with abbreviation of YLT-aL, (Gd2-xLix)Ti2O7- aLiO0.5 (a = 0, 2 and 4, x = 0 - 0.15, a = 1 and 3, x = 0.100) with abbreviation of GLT-aL, Ln2Zr2O7 (Ln = Eu, Ho and Yb) with abbreviation of LZ, Ln2(ZrTi)O7 (Ln = Eu, Ho and Yb) with abbreviation of LZT and LnDC ((Ln0.2Ce0.8)O1.9) (Ln = La, Sm, Gd and Gd + Y). The LZ, LnZT and LnDC series were chosen to make composite electrolyte materials with LNCO carbonate mixture (The molar ratio of Li2CO3 : Na2CO3 = 1 : 1) and the abbreviations are LZ-C, LZT-C and LnDC-C, respectively.
    The YLT-2L (x = 0.070) has the highest total conductivity of 4.42(4) x 10-4 S
    Appears in Collections:[化學學系暨研究所] 學位論文

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