Dynamic Behavior of Segmented-in-Series Tubular Solid Oxide Fuel Cell upon Discharge

被引：3

作者：

Liu, Bin ^{[1
]}

Muroyama, Hiroki ^{[1
]}

Matsui, Toshiaki ^{[1
]}

Tomida, Kazuo ^{[2
]}

Kabata, Tatsuo ^{[2
]}

Eguchi, Koichi ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Energy & Hydrocarbon Chem, Nishikyo Ku, Kyoto 6158510, Japan

[2] Mitsubishi Heavy Ind Co Ltd, New Energy Syst Dept, Nagasaki 8508610, Japan

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2012年 / 159卷 / 03期

关键词：

YTTRIA-STABILIZED ZIRCONIA; SR-DOPED LAMNO3; ELECTRICAL-PROPERTIES; GENERATION CHARACTERISTICS; ELECTRODE ACTIVATION; LANTHANUM MANGANITE; SOFC; INTERFACE; POLARIZATION; REDUCTION;

D O I：

10.1149/2.099203jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Dynamic behavior of the segmented-in-series tubular solid oxide fuel cell upon discharge was investigated. The cell performance decreased initially at 900 degrees C, accompanied by the increase of ohmic resistance. Lower partial pressure of oxygen in the cathode resulted in a more severe decrease, whereas the gas displacement in the anode compartment did not induce such behavior. As the current was cut off, the ohmic resistance rapidly recovered toward the starting value before current load. The possible origin for this increase-recovery behavior of the ohmic resistance has been discussed based on the evaluation of oxygen partial pressure at the cathode/electrolyte interface and element interdiffusion between cathode and electrolyte. (C) 2012 The Electrochemical Society. [DOI: 10.1149/2.099203jes] All rights reserved.

引用

页码：B324 / B330

页数：7

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