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采用脉冲激光沉积技术(PLD), 在MgO单晶基底上, 依次沉积氧化钐掺杂的氧化铈(Ce0.8Sm0.2O2-, SDC)和钇稳定氧化锆(8 mol%Y2O3:ZrO2, YSZ)制备了五种(SDC/YSZ)N (N=3, 5, 10, 20, 30) 超晶格电解质薄膜. 利用X射线衍射(XRD)、高分辨透射电子显微镜(HR-TEM)和交流阻抗对其形貌、相结构和电学性能进行了表征. 结果显示, (SDC/YSZ)N超晶格电解质薄膜之间形成了明显的界面和较好的超晶格结构; 薄膜表面颗粒生长均匀、致密、平滑, 在薄膜的界面处没有元素相互扩散也未出现裂纹, 外延生长良好; 电导率随着(SDC/YSZ)N超晶格电解质界面数的增加而增加, 而活化能则随之减少, 是较为理想的低温固体氧化物燃料电池电解质.
[1] Nesaraj A S 2010 J. Sci. Ind. Res. 69 169
[2] Yamamoto O 2000 Electrochim. Acta 45 2423
[3] Doshi, Rajiv, Richards V L, Carter J D, Wang Xiaoping, Krumpelt, Michael 1999 J.Electrochem. Soc. 146 1273
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[7] Sun C W, Li H, Chen L Q 2012 Energ. Environ. Sci. 44 8475
[8] Yahiro H, Baba Y, Eguchi K, Arai H 1988 J. Electrochem. Soc. 135 2077
[9] Li X D, Liu H, Wu J G, Liu G, Xiao D Q, Zhu J G 2015 Chin. Phys. B 24 107701
[10] Zhou X, Wang S Q, Lian G J, Xiong G C 2006 Chin. Phys. B 15 199
[11] Azad S, Marina O A, Wang C M, Saraf L, Shutthanandan V, Mccready D E, El-Azab A, Jaffe J E, Engelhard M H, Peden C H F, Thevuthasan S 2005 Appl. Phys. Lett. 86 131906
[12] Burbano M, Marrocchelli D, Watson G W 2014 J. Electroceram 32 28
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[1] Nesaraj A S 2010 J. Sci. Ind. Res. 69 169
[2] Yamamoto O 2000 Electrochim. Acta 45 2423
[3] Doshi, Rajiv, Richards V L, Carter J D, Wang Xiaoping, Krumpelt, Michael 1999 J.Electrochem. Soc. 146 1273
[4] Yahiro H, Eguchi Y, Eguchi K, Arai, Hiromichi 1988 J. Appl. Electrochem. 18 527
[5] Steele B C H, Heinzel A 2001 Nature 414 345
[6] Shimonosono T, Hirata Y, Ehira Y, Sameshima, Soichiro, Horita T, Yokokawa, Harumi 2004 Solid State Ionics 174 27
[7] Sun C W, Li H, Chen L Q 2012 Energ. Environ. Sci. 44 8475
[8] Yahiro H, Baba Y, Eguchi K, Arai H 1988 J. Electrochem. Soc. 135 2077
[9] Li X D, Liu H, Wu J G, Liu G, Xiao D Q, Zhu J G 2015 Chin. Phys. B 24 107701
[10] Zhou X, Wang S Q, Lian G J, Xiong G C 2006 Chin. Phys. B 15 199
[11] Azad S, Marina O A, Wang C M, Saraf L, Shutthanandan V, Mccready D E, El-Azab A, Jaffe J E, Engelhard M H, Peden C H F, Thevuthasan S 2005 Appl. Phys. Lett. 86 131906
[12] Burbano M, Marrocchelli D, Watson G W 2014 J. Electroceram 32 28
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