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Performance and Optimization of Solid Oxide Fuel Cell Using Low-Concentration Coal Mine Methane
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Xinxin WANG1, Fubao ZHOU2, Yihan LING1, Zujing WANG3, Shaorong WANG3
Journal of the Chinese Ceramic Society | 2022, 50(10) : 2599 - 2610
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Journal of the Chinese Ceramic Society | 2022, 50(10): 2599-2610
• Research Articles •
Performance and Optimization of Solid Oxide Fuel Cell Using Low-Concentration Coal Mine Methane
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Xinxin WANG1, Fubao ZHOU2, Yihan LING1, Zujing WANG3, Shaorong WANG3
Affiliations
  • 1.School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China
  • 2.Key Laboratory of Gas and Fire Control for Coal Mines, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China
  • 3.School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China

    • WANG Xinxin (1991-), male, Ph.D., Associate Professor. E-mail:

About Author:

WANG Xinxin (1991-), male, Ph.D., Associate Professor. E-mail:

Published: 2022-10-20 doi: 10.14062/j.issn.0454-5648.20220111
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CH4 concentration of underground drainage coal mine methane is rather low, which is of the explosion risk and difficult to be used. Therefore, a safe and high-efficiency power generation method of low concentration coal mine methane (LC-CMM) was proposed based on the solid oxide fuel cell (SOFC). The deoxygenation and methane enrichment experiment based on the pressure swing adsorption (PSA) was conducted to eliminate the explosion risk of LC-CMM, the large-scale SOFC single cell experiment using the LC-CMM was carried out, and the multi-physics coupling model of SOFC was developed. The results show that the CH4 concentration can be increased by 1.36 times, the deoxygenation ratio can reach 84.5% through the PSA experiment, and the produced gas can meet the requirement of safe and efficient power generation of SOFC. The power density of large-scale single cell using LC-CMM can reach 110.2 mW/cm2, but the anodic carbon deposition occurs after the long-term discharging, thus causing the SOFC performance degradation. The results of numerical simulation show that the decrease of discharging voltage, the increase of volume ratio between O2 and CH4 of fuel and the decrease of fuel inlet rate can decrease the carbon deposition, but reducing the power generation performance of SOFC.

low-concentration coal mine methane  /  solid oxide fuel cell  /  carbon deposition  /  deoxygenation and methane enrichment  /  multi-physic coupling
王鑫鑫, 周福宝, 凌意瀚, 王祖婧, 王绍荣. 低浓度煤层气固体氧化物燃料电池性能分析及优化. 硅酸盐学报, 2022 , 50 (10) : 2599 -2610 . DOI: 10.14062/j.issn.0454-5648.20220111
Xinxin WANG, Fubao ZHOU, Yihan LING, Zujing WANG, Shaorong WANG. Performance and Optimization of Solid Oxide Fuel Cell Using Low-Concentration Coal Mine Methane[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (10) : 2599 -2610 . DOI: 10.14062/j.issn.0454-5648.20220111
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Year 2022 volume 50 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20220111
  • Receive Date：2022-02-14
  • Online Date：2026-10-20
  • Published：2022-10-20
Article Data
Affiliations
History
  • Received：2022-02-14
  • Revised：2022-03-19
Funding
Affiliations
    1.School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China
    2.Key Laboratory of Gas and Fire Control for Coal Mines, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China
    3.School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China

Corresponding:

LING Yihan (1986-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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