LSO Apatite-YSZ composite as a Solid Electrolyte for Solid Oxide Fuel Cells

被引：4
|
作者：
Noviyanti, Atiek Rostika [1 ]
Hastiawan, Iwan [1 ]
Yuliyati, Yati. B. [1 ]
Rahayu, Iman [1 ]
Rosyani, Desy [1 ]
Syarif, Dani Gustaman [2 ]
机构：
[1] Univ Padjadjaran, Fac Math & Nat Sci, Dept Chem, Jl Raya Bandung Sumedang Km 21, Jatinangor 45363, Indonesia
[2] PTNBR BATAN, Jl Taman Sari 71, Bandung 40132, Indonesia
来源：
MATHEMATICS, SCIENCE, AND COMPUTER SCIENCE EDUCATION (MSCEIS 2016) | 2017年 / 1848卷
关键词：
CONDUCTIVITIES;
D O I：
10.1063/1.4983939
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
LSO (Lanthanun Silicate Oxide) Apatite-YSZ (Yttria-stabilized zirconia) composite has been synthesized by combining the LSO apatite with commercial YSZ with different composition ratio (LSO Apatite: YSZ = 60: 40wt.% and 50: 50 wt. %). Structure, morphology, and conductivity of sintered pellets composite (sintered at 1330 degrees C for 3 hours) were characterized by XRD, SEM, and impedance spectroscopy, respectively. The sintered density of the composite materials with 50: 50 wt. % and 60:40 wt. % (apatite: YSZ) ratios were 3.785 g.cm(-3) and 3.770 g.cm(-3), respectively. The typical peak of LSO and YSZ were observed in the X-ray pattern of the composite materials. The conductivity of the LSO apatite : YSZ composite 50:50wt. % and 60:40 wt. % ratios showed high level of ionic conductivities with values of 1.26 x 10(-3) S/cm and 1.60 x 10(-4) S/cm, respectively, with very low level of activation energy (0.95-1.02 eV) at 700 degrees C These results indicate that the LSO-YSZ composite materials are good conductors that can be used as solid electrolyte in SOFC applications.
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页数：6
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