Coprecipitation Synthesis and Oxide Ionic Conductivities of Ce_{0.8}Sm_{0.2}O_{1.9}-based Nanocomposite Materials

Hong ZHANG; Zhe ZHANG; Guo-Qiang MA; Yu-Xing ZHANG; Zhi-Cheng LI

doi:10.3724/sp.j.1077.2009.00353

journal article·2009-04-07

Coprecipitation Synthesis and Oxide Ionic Conductivities of Ce_0.8Sm_0.2O_1.9-based Nanocomposite Materials

Hong ZHANG, Zhe ZHANG, Guo-Qiang MA, Yu-Xing ZHANG, Zhi-Cheng LI

Journal of Inorganic Materials· Volume 24· Issue 2

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Source abstract

Abstract

用化学共沉淀法制备了Ce0.8Sm0.2O1.9-La9.33Si6O26纳米复合氧离子导电材料,通过X射线衍射和透射电子显微镜对合成材料的相结构进行了分析,利用交流阻抗分析测试研究了材料的离子导电性.结果表明,纳米复合材料的煅烧粉末的平均晶粒尺寸为20nm、烧结陶瓷体的平均晶粒尺寸为44nm;700℃时,纳米复合导电体的离子导电率为0.25Ω/cm;在整个测试温度范围内,纳米复合导电体比纯La9.33Si6O26提高了3个以上数量级,并高于纯相Ce0.8Sm0.2O1.9的导电性.

Only a short abstract or summary was supplied by the source.

Source: openalex_inverted_index · Quality: short

Research context

Nanomaterials

OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Gas Sensing Nanomaterials and Sensors · Electronic and Structural Properties of Oxides

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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