Direct Carbon Solid Oxide Fuel Cells

Authors

Jiang LIU, School of Environment and Energy, South China University of Technology, Guangzhou 510006, China;Follow
Xiao-min YAN, School of Environment and Energy, South China University of Technology, Guangzhou 510006, China;

Corresponding Author

Jiang LIU(jiangliu@scut.edu.cn)

Abstract

Carbon is richly reserved in coal, biomasses, and many other nature resources. It is usually used as an energy source through oxygen oxidation reaction. The oxidation is generally realized through combustion which causes serious air pollution. Besides, the conversion efficiency of generating electricity through the combustion process is limited by Carnot efficiency. A direct carbon solid oxide fuel cell (DC-SOFC) is a solid oxide fuel cell (SOFC) directly operated with solid carbon as the fuel. It can convert the chemical energy of carbon into electricity with high efficiency. The concentration of produced CO₂ from a DC-SOFC is so high that enables easy capture and segregation of CO₂. Here we systematically introduce the configuration, reaction process, research and development status, and prospects of DC-SOFC. Especially, we give a comprehensive review concerning research progress in DC-SOFC, including development and fabrication of single cells and stacks, DC-SOFC operating with biomass char and coal as the fuel, and gas-electricity cogeneration using DC-SOFC.

Graphical Abstract

Keywords

direct carbon solid oxide fuel cell, electrochemical oxidation, Boudouard reaction, biomass char, coal, gas-electricity cogeneration

DOI Link

https://doi.org/10.13208/j.electrochem.191148

Publication Date

2020-04-28

Online Available Date

2020-03-13

Revised Date

2020-03-12

Received Date

2020-01-28

Recommended Citation

Jiang LIU, Xiao-min YAN. Direct Carbon Solid Oxide Fuel Cells[J]. Journal of Electrochemistry, 2020 , 26(2): 175-189.
DOI: 10.13208/j.electrochem.191148
Available at: https://jelectrochem.xmu.edu.cn/journal/vol26/iss2/4

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