Characteristic Analysis of the Solid Oxide Fuel Cell with Proton Conducting Ceramic Electrolyte

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Characteristic Analysis of the Solid Oxide Fuel Cell with Proton Conducting Ceramic Electrolyte

TAN Xiaoyao^a; MENG Bo^a; YANG Naitao^a; K.Li^b

^a Fuel Cell ResearchCenter, Shandong University of Technology, Zibo 255012, China
^b Department of Chemical Engineering and Chemical Technology, Imperial CollegeLondon, London SW7 2AZ, U.K.

Received:1900-01-01 Revised:1900-01-01 Online:2005-02-28 Published:2005-02-28
Contact: TAN Xiaoyao

质子传导陶瓷电解质燃料电池特性分析

谭小耀^a; 孟波^a; 杨乃涛^a; K.Li^b

^a Fuel Cell ResearchCenter, Shandong University of Technology, Zibo 255012, China
^b Department of Chemical Engineering and Chemical Technology, Imperial CollegeLondon, London SW7 2AZ, U.K.

通讯作者: 谭小耀

Abstract

Abstract: An electrolyte model for the solid oxide fuel cell (SOFC) with proton conducting perovskite electrolyte is developed in this study, in which four types of charge carriers including proton, oxygen vacancy (oxide ion), free electron and electron hole are taken into consideration. The electrochemical process within the SOFC with hydrogen as the fuel is theoretically analyzed. With the present model, the effects of some parameters, such as the thickness of electrolyte, operating temperature and gas composition, on the ionic transport (or gas permeation) through the electrolyte and the electrical performance, i.e., the electromotive force (EMF) and internal resistance of the cell, are investigated in detail. The theoretical results are tested partly by comparing with the experimental data obtained from SrCe0.05M0.05O3-α(M=Yb, Y) cells.

Key words: solid oxide fuel cell, proton conducting ceramic, perovskite oxide electrolyte

摘要： An electrolyte model for the solid oxide fuel cell (SOFC) with proton conducting perovskite electrolyte is developed in this study, in which four types of charge carriers including proton, oxygen vacancy (oxide ion), free electron and electron hole are taken into consideration. The electrochemical process within the SOFC with hydrogen as the fuel is theoretically analyzed. With the present model, the effects of some parameters, such as the thickness of electrolyte, operating temperature and gas composition, on the ionic transport (or gas permeation) through the electrolyte and the electrical performance, i.e., the electromotive force (EMF) and internal resistance of the cell, are investigated in detail. The theoretical results are tested partly by comparing with the experimental data obtained from SrCe0.05M0.05O3-α(M=Yb, Y) cells.

关键词: 固体氧化物燃料电池;质子传导性能;钙钛矿;电解液

TAN Xiaoyao, MENG Bo, YANG Naitao, K.Li. Characteristic Analysis of the Solid Oxide Fuel Cell with Proton Conducting Ceramic Electrolyte[J]. .

谭小耀,孟波,杨乃涛,K.Li. 质子传导陶瓷电解质燃料电池特性分析[J]. CIESC Journal.

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