期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 37, 期 16, 页码 5233-5237出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2017.05.002
关键词
IT-SOFC; Cu; YSZ; Cermet; Tape casting
资金
- Brazilian agency Capes
- Brazilian agency CNPq
- Colombian agency Colciencias
Porous copper/yttria-stabilized zirconia (Cu/YSZ) thin tapes were produced to be used as anodes in intermediate temperature solid oxide fuel cells (IT-SOFC). The use of copper in these cermets promises a better chemical resistance and a lower operating temperature for SOFC. Graphite and cassava starch were used as pore forming agents, which led to porosity values between 30 and 40%. Tapes were obtained by aqueous tape casting with controlled thickness (300-2000 mu m). Before casting, CuO/YSZ aqueous suspensions were formulated based on rheological characterization. Sintering was carried out at 1150 degrees C during 1 h. Cu/YSZ tapes were obtained after redox reaction, performed at 400, 600 and 800 degrees C. (C) 2017 Elsevier Ltd. All rights reserved.
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