Synthesis and Characterization of La_(10)Si_6O_(27) and Ce_(0.9)Gd_(0.1)O_(1.95) Solid Oxide Fuel Cell Electrolyte Material

机译：La_（10）Si_6O_（27）和Ce_（0.9）Gd_（0.1）O_（1.95）固体氧化物燃料电池电解质材料的合成与表征

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A composite oxide ionic conductor consisting of La_(10)Si_6O_(27) (LASIO) and Ce_(0.9)Gd_(0.1)O_(1.95) (GDC) was synthesized by a modified sol-gel method. The La_(10)Si_6O_(27) powders prepared by modified sol-gel synthesis were coated with GDC gel and latter calcined to form a La_(10)Si_6O_(27) - Ce_(0.9)Gd_(0.1)O_(1.95) composite material. The structural and microstructural properties of the composite were investigated using powder XRD, SEM and TMA. EIS was conducted in air on the sintered pellets to evaluate the electrochemical performance of the pellets. The conductivity of the composite electrolyte at 973 K was 26 mS/cm which is two orders of magnitudes higher than that for the pure LASIO but lower than that of the GDC (30 mS/cm). The thermal expansion of the composite electrolyte is similar to that obtained for the LASIO.

机译：通过改性溶胶 - 凝胶法合成由La_（10）Si_6O_（27）（Lasio）和Ce_（0.9）和Ce_（0.1）Gd_（0.1）（1.95）（GDC）组成的复合氧化物离子导体。通过改性溶胶 - 凝胶合成制备的LA_（10）Si_6O_（27）粉末用GDC凝胶和后者煅烧以形成LA_（10）Si_6O_（27） - CE_（0.9）GD_（0.1）O_（1.95）复合材料材料。使用粉末XRD，SEM和TMA研究复合材料的结构和微观结构性质。 EIS在烧结颗粒上的空气中进行，以评估颗粒的电化学性能。在973k的复合电解质的电导率为26ms / cm，其比纯Lasio高的两个级，但低于GDC（30ms / cm）的次数。复合电解质的热膨胀与促使Lasio的热膨胀相似。

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《International Conference on Manufacturing Science and Technology》|2015年||共5页
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Daniel Setsoafia; Peter Hing; Andrew Jung; Aminul Islam; Abul Azad; Lim Chee Lim;
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中图分类 TH16-53;
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La_(10)Si_6O_(27); Ce_(0.9)Gd_(0.1)O_(1.95); Composite materials; Sol-gel synthesis; Oxygen ion conductivity;

机译：LA_（10）SI_6O_（27）;CE_（0.9）GD_（0.1）O_（1.95）;复合材料;溶胶 - 凝胶合成;氧离子电导率;

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Synthesis and Characterization of La_(10)Si_6O_(27) and Ce_(0.9)Gd_(0.1)O_(1.95) Solid Oxide Fuel Cell Electrolyte Material

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