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Synthesis of flake-shaped NiO-YSZ particles for high-porosity anode of solid oxide fuel cell

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Authors
Wu, Y.
Dong, Dehua
Ran, R.
Zeng, Y.
Wang, K.
Zongping, S.
Huanting, W.
Date
2011
Type
Journal Article

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Wu, Y. and Dong, D. and Ran, R. and Zeng, Y. and Wang, K. and Zongping, S. and Huanting, W. 2011. Synthesis of flake-shaped NiO-YSZ particles for high-porosity anode of solid oxide fuel cell. Journal of the American Ceramic Society. 94 (11): pp. 3666-3670.
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Journal of the American Ceramic Society
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Abstract

A new synthesis method of using dehydration of sugar (sucrose)with concentrated sulfuric acid was developed to synthesizemixed oxide ceramic particles with flaky shape. The anodedisks prepared from flake-shaped NiO–YSZ particles withouta pore-forming additive exhibited uniform dispersion of NiOand YSZ and a high porosity (45.6%), leading to improved cellperformance as compared with an anode prepared from conventionalNiO–YSZ powder in Ni–YSZ/YSZ/LSM single cellsoperated with H2 as the fuel; their maximum power densitieswere 381 and 300 mW·cm 2 at 850°C, respectively.