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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 16    No. 1    February 2006

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Steady polarization process modelling of noble
metal-electrolyte cermet composite electrode
LUO Zhi-an(罗志安), XIAO Jian-zhong(肖建中), XIA Feng(夏 风), YANG Yi-fan(杨一凡)

State Key Lab of Plastic Forming Simulation and Die and Mould Technology,
Huazhong University of Science and Technology, Wuhan 430074, China

Abstract:Cermet composites containing mixture of noble metal phase and electrolyte phase are the state-of-the-art electrode materials used for electrochemical sensor and solid oxide fuel cell(SOFC). A steady polarization model was developed. The model was based on electronic and ionic transfer process together with the electrochemical reaction regardless of mass transport in the electrode. The modelling results can help to understand the electrochemistry of cermet composite electrode.

 

Key words: noble metal; cermet composite electrode; steady polarization; modelling; zirconia

ISSN 1672-7029
CN 43-1423/U

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