Parameter study of transient carbon deposition effect on the performance of a planar solid oxide fuel cell

被引：29

作者：

Ma, Ting ^{[1
]}

Yan, Min ^{[1
]}

Zeng, Min ^{[1
]}

Yuan, Jin-liang ^{[2
]}

Chen, Qiu-yang ^{[1
]}

Sunden, Bengt ^{[2
]}

Wang, Qiu-wang ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Key Lab Thermofluid Sci & Engn, MOE, Xian 710049, Shaanxi, Peoples R China

[2] Lund Univ, Dept Energy Sci, SE-222100 Lund, Sweden

来源：

APPLIED ENERGY | 2015年 / 152卷

基金：

欧洲研究理事会; 中国国家自然科学基金;

关键词：

Carbon deposition; Solid oxide fuel cell; Transient effects; Modelling; Parameter analysis; MODEL; ANODE; SOFC; GAS; SPECTROSCOPY; ELECTRODES; IMPEDANCE; TRANSPORT; CATALYST;

D O I：

10.1016/j.apenergy.2014.11.061

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Carbon deposition has a serious effect on the performance of solid oxide fuel cells (SOFCs). An unsteady-state 2D model based on COMSOL software is used to study the carbon deposition process in a planar SOFC. The carbon deposition, catalyst activity, reaction rate and temperature fields are obtained to analyse the mechanism of carbon deposition in the SOFC at different operating time. The effects of the operating voltage, inlet H-2 molar fraction, operating pressure and operating temperature on the performance of the SOFC are investigated in detail. It is found that the biggest variation of the performances caused by carbon deposition occurs in the inlet domain of the anode support layer. The increase of operating voltage, inlet H-2 molar fraction, operating pressure and temperature accelerates the carbon deposition process. The predicted results could deepen our understanding of carbon deposition and its transient quantitative effects on the catalyst, structure and cell performance. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：217 / 228

页数：12

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