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Citation: CHENG Ji-Gui, ZHA Shao-Wu, LIU Xing-Qin, MENG Guang-Yao. Preparation of Ce_0.8Gd_0.2O_1.9 Electrolyte Films[J]. Chinese Journal of Applied Chemistry, ;2002, 19(11): 1084-1087. shu

Preparation of Ce_0.8Gd_0.2O_1.9 Electrolyte Films

1.
a Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026;
2.
b Department of Materials Science and Engineering, Hefei University of Technology, Hefei

Corresponding author: MENG Guang-Yao,
Received Date: 12 April 2002
Available Online: 3 July 2002
Fund Project: 国家自然科学基金(20071029) (20071029)国家"973"(G-2000026409)资助项目 (G-2000026409)

Gadolinium doped ceria Ce_0.8Gd_0.2O_1.9(GDC) powders were synthesized by a gel-casting method. The phase composition, morphology, and particle size of the powders were characterized. The GDC powder obtained was of a single fluorite phase with particle size from 30 to 100 nm after calcining the dried gel at 500~900℃. The green GDC tapes with thickness of 50~200 μm were obtained by tape casting. The cast GDC tapes have a density more than 95% of theoretical after sintering at 1 450℃. An ionic conductivity of about 4.6 S/m was measured for the sintered tapes calcined at 700℃ in air.
- gadolinium doped ceria,
- gelcasting,
- tapecasting
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Preparation of Ce0.8Gd0.2O1.9 Electrolyte Films

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Preparation of Ce_0.8Gd_0.2O_1.9 Electrolyte Films