Start-up and operation characteristics of a flame fuel cell unit

被引：37

作者：

Wang, Yuqing ^{[1
]}

Zeng, Hongyu ^{[1
]}

Cao, Tianyu ^{[1
]}

Shi, Yixiang ^{[1
]}

Cai, Ningsheng ^{[1
]}

Ye, Xiaofeng ^{[2
]}

Wang, Shaorong ^{[2
]}

机构：

[1] Tsinghua Univ, Dept Thermal Engn, Key Lab Thermal Sci & Power Engn, Minist Educ, Beijing 100084, Peoples R China

[2] Chinese Acad Sci SICCAS, Shanghai Inst Ceram, 1295 Dingxi Rd, Shanghai 200050, Peoples R China

来源：

APPLIED ENERGY | 2016年 / 178卷

基金：

中国国家自然科学基金;

关键词：

Flame fuel cell; Black start-up; Combined heat and power; Micro-tubular SOFC; Porous media burner; MICRO-COMBINED-HEAT; POWER-GENERATION; CHP SYSTEM; RESIDENTIAL APPLICATIONS; PARTIAL OXIDATION; N-BUTANE; PERFORMANCE; DESIGN; METHANE; COMBUSTION;

D O I：

10.1016/j.apenergy.2016.06.067

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：

This work aims to investigate a black start-up process for micro cogeneration (combined heat and power, CHP) systems based on solid oxide fuel cells (SOFCs). A novel micro-CHP system concept using a flame fuel cell (FFC) for start-up is proposed. An FFC unit is experimentally implemented and studied by integrating a porous media burner with a micro-tubular SOFC. The FFC is demonstrated to start up within seconds with the fuel-rich combustion of a methane-air mixture. The porous media burner acts as a non-catalytic fuel processor for the SOFC with a maximum methane reforming efficiency of 49%. The flame fuel cell performance is tested for various equivalence ratios at a fixed inlet gas velocity of 0.15 m/s. The power reaches a significant value of 1.5 W at 0.7 V with a single fuel cell when operating with a fuel-rich flame at the equivalence ratio of 1.6. A flame fuel cell unit with multi-cell configurations has the potential to provide heat and power simultaneously for micro-CHP systems during the start-up process without an external energy source. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：415 / 421

页数：7

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