欢迎登录材料期刊网

材料期刊网

高级检索

采用溶胶-燃烧法合成了Gd掺杂CeO2的Ce0.8Gd0.2O1.9(GDC)电解质粉末.研究了热处理温度对其相组成、颗粒大小、晶胞参数的影响.并对GDC烧结体的性能进行了研究.结果表明,溶胶一燃烧法可以成功制备出具有良好的烧结性的GDC电解质粉末,1500℃下得到的GDC烧结体的相对密度可以达到95%.电性能测试表明烧结体在中温范围内具有较高的氧离子电导率.

参考文献

[1] Minh N Q .Ceramic in Fuel Cell[J].Journal of the American Chemical Society,1993,76(03):563-588.
[2] 纪媛,刘江,贺天民,王金霞,裴力,苏文辉.复合电解质材料的电性能及应用[J].吉林大学学报(理学版),2004(02):265-268.
[3] Hideaki Inaba;Hiroaki Tagawa .Ceria-based solid electrolytes[J].Solid state ionics,1996(1/2):1-16.
[4] Steele BCH. .Appraisal of Ce1-yGdyO2-y/2 electrolytes for IT-SOFC operation at 500 degrees C[J].Solid state ionics,2000(1/4):95-110.
[5] Masashi Moil;Eisaku Suda;Bernard Paeaud et al.Effect of components in electrodes on sintering characteristics of Ce0.9 Gd0.1O1.95 electrolyte in intermediate-temperature solid oxide fuel cells during fabrication[J].Journal of Power Sources,2006,157:688-694.
[6] 韩敏芳,彭苏萍,王玉倩,杨翠柏.纳米粉体制备8YSZ电解质工艺性能研究[J].功能材料与器件学报,2003(03):257-261.
[7] S.K. Tadokoro;E.N.S. Muccillo .Influence of the precursor purity and the precipitating agent on impedance spectroscopy of CeO_2:Y_2O_3 ceramics[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2004(1/2):190-193.
[8] Zha S W;Xia C R;Meng G Y .Effect of Gd (Sm) doping on properties of ceria electrolyte for solid oxide fuel cells[J].Journal of Power Sources,2003,115:44-48.
[9] Yamamura H;Katoh E;Ichikawa M et al.Multiple Doping Effect on the Electrical Conductivity in the (Ce1-x-y LaxMy)O2-δ(M=Ca,Sr) System[J].ELECTROCHEMISTRY,2000,68:455-459.
[10] Wang FY;Wan BZ;Cheng SF .Study on Gd3+ and Sm3+ co-doped ceria-based electrolytes[J].Journal of solid state electrochemistry,2005(3):168-173.
[11] Dong Yong Chung;Eil Hee Lee .Microwave-induced combustion synthesis of Ce_(1-x)Sm_xO_(2-x/2) powder and its characterization[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2004(1/2):69-73.
[12] 吉春艳,徐庆,廖园富,陈文,徐开群.Gd(Sm)掺杂CeO2的沉淀法合成与导电性能研究[J].电子元件与材料,2006(09):22-24,42.
[13] 高运明,郭兴敏,周国治.利用阻抗谱测定氧化锆试样的电导率[J].武汉科技大学学报(自然科学版),2005(03):237-240.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%