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(La_xSr_(1-x))(Ga_yMg_(1-y))O_3固体电解质的制备及性能研究 被引量：1

Preparation and Characterization of (La_xSr_(1-x))(Ga_yMg_(1-y))O_3 Solid Electrolyte
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摘要 采用固相法制备了锶,镁掺杂的镓酸镧(LSGM)固体电解质材料,并对其结晶结构、表面形貌和室温下的电导率进行了研究.XRD分析表明,LSGM样品具有正交钙钛矿结构.利用SEM,分析了烧结保温时间对LSGM样品表面形貌的影响.通过交流阻抗仪测试了室温下LSGM各个组分的电导率,发现在实验中所制备的组分范围内,LSGM体系具有以下特点固定Sr的掺杂量,电导率随Mg的增加而降低;固定Mg的掺杂量,电导率随Sr的增加而增加. Strontium and magnesium double doped LaGaO_3 (LSGM) solid electrolytes were prepared by means of solid state process. The phase structure, microstructure and ionic conductivity of these materials were measured. The XRD analysis shows that the LSGM samples possess orthorhombic perovskite structure. The different microstuctures of LSGM samples were affected by sintering time.The conductivity properties of LSGM samples are calculated by impedance data. It was found that LSGM samples possess the properties that...
作者 余小燕 王开石 乐夕 肖定全 朱建国
机构地区 四川大学材料科学与工程学院 Department of Materials Science
出处 《四川大学学报（自然科学版）》 CAS CSCD 北大核心 2005年第S1期282-285,共4页 Journal of Sichuan University(Natural Science Edition)
基金 国家自然科学基金(60471044)
关键词 镓酸镧 电解质 固体氧化物燃料电池 LaGaO_3 electrolyte solid oxide fuel cell
分类号 TM911.4 [电气工程—电力电子与电力传动]
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共引文献17

同被引文献17

  • 1汪灿,刘宁,石敏,许育东,张宏.Sr、Mg掺杂量对LaGaO_3基电解质离子电导率的影响[J].合肥工业大学学报（自然科学版）,2004,27(10):1176-1180. 被引量：3
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四川大学学报（自然科学版）
2005年 第S1期

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