采用微波技术合成了固体氧化物燃料电池阴极材料La1-xSrxMnO3样品,分别选择x=0.1,0.2,0.3,0.4和0.5合成了La0.9 Sr0.1 MnO3,La0.8 Sr0.2 MnO3,La0.7 Sr0.3 MnO3,La0.6 Sr0.4MnO3和La0.5Sr0.5MnO3.用X射线衍射分析检测了样品的结构与组成,用电子扫描电镜考查了样品的形貌和粒度.电导率测量结果表明,样品的组成和烧结温度影响电导率.在系列样品中,组成为La0.7Sr0.3MnO3电导率最高;烧结温度1200℃和1300℃相比较,1300℃烧结后样品的电导率大幅度提高.
参考文献
[1] | Badwal SPS.;Milosevic D.;Ciacchi FT. .Scandia-zirconia electrolytes for intermediate temperature solid oxide fuel cell operation[J].Solid state ionics,2000(Special Issue SI):91-99. |
[2] | 刘世友;李京萍 .燃料电池的开发与展望[J].新能源,1999,21(02):39-43. |
[3] | KATSUHIKO Yamiji.Compatibility of La09 Sr01 Ga08 Mg02O285 as the electrolyte for SOFC[J].Solid State Ionics,1998(108):415-421. |
[4] | 于兴文,黄学杰,陈立泉.固体氧化物燃料电池研究进展[J].电池,2002(02):110-112. |
[5] | 吕明;苏雪筠;赵绍棠 等.钙钛矿型催化电核材料La-Sr-Co的结构与性能[J].电源技术,2000,25(03):216-220. |
[6] | 马文会,谢刚,陈秀华.固体氧化物燃料电池复合掺杂材料研究进展[J].功能材料,2001(05):449-452. |
[7] | Van Roosmanlen JAM;HuijsmJPP.Sinter behaviour and electrical conductivity of (La,Sr) MnO3 as function of Sr-content[A].,1991:507-512. |
[8] | Sakaki Y.;Kato A.;Imanishi N.;Yamamoto O.;Hattori M.;Iio M.;Esaki Y.;Takeda Y. .Ln_(1-x)Sr_xMnO_3 (Ln = Pr, Nd, Sm and Gd) as the cathode material for solid oxide fuel cells[J].Solid state ionics,1999(3/4):187-194. |
[9] | HAMMOUCHE A;SIEBERT E;HAMMOU A et al.Electroatalytic properties and nonstiochimetry of the bigh temperature air electrode La1-x SrxMnO3[J].Journal of the Electrochemical Society,1991,138:1212-1218. |
[10] | SHOJI Otoshi;Hirokayu Sasaki;Hisao Ohnishi .Changes in the phases and electrical conduction properties of (La1-xSrx)1-yMnO3-δ[J].Journal of the Electrochemical Society,1991,138:1519-1526. |
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