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材料研究学报  2006, Vol. 20 Issue (5): 548-551    
  论文 本期目录 | 过刊浏览 |
阴极材料Ba0.5Sr0.5Co0.8Fe0.2O3-δ的制备和性能
李嵩  高文元  文钟晟  季世军  孙俊才  程成
引用本文:

李嵩; 高文元; 文钟晟; 季世军; 孙俊才; 程成 . 阴极材料Ba0.5Sr0.5Co0.8Fe0.2O3-δ的制备和性能[J]. 材料研究学报, 2006, 20(5): 548-551.

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摘要: 用共沉淀法合成了具有单一的立方型钙钛矿结构的新型阴极材料Ba0.5Sr0.5Co0.8Fe0.2O3-δ,研究了材料的电导率和热膨胀系数与温度的关系.结果表明,前驱体在1100℃煅烧3 h后形成具有单一的立方型钙钛矿结构尺寸小于1 μm的Ba0.5Sr0.5Co0.8Fe0.2O3-δ粉末;在500~600℃致密材料的电导率高于100 S/cm,热膨胀系数随着温度的升高从13.62×10-6逐渐增大到18.75×10-6,当温度超过700℃后急剧增大.致密材料热膨胀系数在高温下剧增的主要原因是材料中比较大的氧损失.
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收稿日期: 1900-01-01     
1 R.Williford, P.Singh, J. Power Sources, 128, 45(2004)
2 Y.Ji, J.Liu, T.M.He, L.G.Cong, J.X.Wang, W.H.Su, J. Alloys Comps., 353(1-2), 257(2003)
3 B.Zhu, X.T.Yang, J.Xu, Z.G.Zhu, S.J.Ji, M.T.Sun, J.C.Sun, J. Power Sources, 118, 47(2003)
4 B.Zhu, S.Li, J.C.Sun, Q.Z.Lin, Proceedings of the 3rd Sino-Swedish ILTSOFC Workshop, June, Stockholm, Sweden, 23(2004)
5 C.Lu, S.An, W.L.Worrell, J.M.Vohs, R.J.Gorte, Solid State Ionics, 175, 47(2004)
6 C.R.Xia, M.L.Liu, Adv. Mater., 14, 521(2002)
7 LU Zigui, JIANG Yi, DONG Yonglai, ZHANG Yihuang, YAN Jingwang, Chem. J. Chinese Universities, 22(5), 791(2001) (卢自桂,江义,董永来,张义煌,阎景旺,高等学校化学学报, 22(5),791(2001))
8 HUANG Wenhua, YANG Jianhua, NIE Huaiwen, LU Zhiyi, TU Hengyong, WEN Tinglian, J. Inorganic Materials, 17(4), 679(2002) (黄文华,杨建华,聂怀文,吕之奕,屠恒勇,温廷琏,无机材料学报,17(4),679(2002))
9 H.Yu, K.Fung, Materials Research Bulletin, 38(2), 231(2003)
10 H.Orui, K.Watanabe, R.Chiba, M.Arakawa, J. Electrochem. Soc., 151(9), A1412(2004)
11 GAO Jianfeng, LANG Ying, XIA Changrong, MENG Guangyao, Chinese J. Materials Research, 19(1), 72(2005) (高建峰,郎莹,夏长荣,孟广耀,材料研究学报,19(1), 72(2005))
12 Z.P.Shao, S.Haile, Nature, 431(9), 170(2004)
13 S.Uhlenbruck, F.Tietz, Materials Science and Engineering B: Solid State Materials for Advanced Technology, 107(3), 277(2004)
14 LI Song, SUN Mingtao, JI Shijun, SUN Juncai, Chinese J. Inorg. Chem., 34(8), 1265(2005) (李嵩,孙明涛,季世军,孙俊才,无机化学学报,34(8), 1265(2005))
15 LI Song, JI Shijun, SUN Juncai, J. Functional Materials, 36(10), 1581(2005) (李嵩,季世军,孙俊才,功能材料,36(10),1581(2005))
16 J.Stevenson, T.Armstrong, R.Carneim, Stevenson J.W., Armstrong T.R., Carneim R.D., Pederson L.R.Weber W.J., J.Electrochem.Soc., 143(9), 2722(1996)
17 Z.P.Shao, G.X.Xiong, Y.Cong, W.Yang, J. Member Sci., 164, 167(2000)
18 Z.P.Shao, H.Dong, G.X.Xiong, W.Yang, L.Lin, J. Member Sci., 183, 181(2001)1
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