Modeling of electrochemical processes in solid oxide fuel cells

被引:2
|
作者
Averkov, I. S. [1 ]
Baykov, A. V. [1 ,2 ]
Yanovskiy, L. S. [1 ,2 ]
Volokhov, V. M. [2 ]
机构
[1] PI Baranov Cent Inst Aviat Motors, 2 Ul Aviamotornaya, Moscow 111116, Russia
[2] Russian Acad Sci, Inst Problems Chem Phys, 1 Prosp Akad Semenova, Chernogolovka 142432, Moscow Region, Russia
基金
俄罗斯科学基金会;
关键词
electrochemistry; solid oxide fuel cells; thermodynamics; electromotive force;
D O I
10.1007/s11172-016-1592-8
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A mathematical model of electrochemical processes in a solid oxide fuel cell is presented. A procedure for the calculation of the current-voltage characteristic (CVC) taking into account the influence of the reagent concentration, pressure, and temperature is considered. The problem of calculation of the electromotive force (emf) and thermodynamic efficiency was studied in detail. The influence of the presence of carbon dioxide and water vapor in the anode gas on the emf and thermodynamic efficiency is analyzed. The method of measuring the CVC in an experiment at a constant fuel rate is briefly considered. The results of application of the calculation model are compared with the experimental data.
引用
收藏
页码:2375 / 2380
页数:6
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