Characterization of copper ferrite spinel synthesized by glycinenitrate combustion process for using as solid oxide fuel cell interconnects coating
- سال انتشار: 1394
- محل انتشار: سومین کنفرانس هیدروژن و پیل سوختی
- کد COI اختصاصی: H2FC03_014
- زبان مقاله: انگلیسی
- تعداد مشاهده: 478
نویسندگان
Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
چکیده
In this research, CuFe2O4 spinel powder was prepared by an optimized glycine-nitrate combustion process (GNP) followed by calcinations. The samples were characterized by X-ray diffraction (XRD), scanningelectron microscopy (SEM), dilatometry and 4-probe DC methods. Different glycine to nitrate (G/N) ratios of 1(fuel-deficient), 1.48 (stoichiometric) and 2 (fuel-rich) were employed. The as-prepared powders were calcinedat 800 and 1000 °C for 5 hours. It showed that the 2 ratio resulted in the formation of desired copper spinel single phase at both calcinations temperatures. The electrical conductivity and the coefficient of thermalexpansion of the sintered pelletized samples were obtained 2 S.cm-1 (800°C) and 11×10-6 °C-1 (25-800°C), respectively.کلیدواژه ها
SOFC interconnect coatings; Copper ferrite; Spinels; Electrical conductivity; Glycine–nitrate processمقالات مرتبط جدید
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