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首页> 外文期刊>Fuel >High-efficiency conversion of natural gas fuel to power by an integrated system of SOFC, HCCI engine, and waste heat recovery: Thermodynamic and thermo-economic analyses
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High-efficiency conversion of natural gas fuel to power by an integrated system of SOFC, HCCI engine, and waste heat recovery: Thermodynamic and thermo-economic analyses

机译：通过SOFC，HCCI发动机和废热回收的集成系统对天然气燃料的高效转换为电力：热力学和热经济分析

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摘要

A novel natural gas utilization system for power generation including solid oxide fuel cell (SOFC) and homogeneous charge compression ignition (HCCI) engine is proposed and modeled to evaluate the thermodynamic and thermo-economic performance in this paper. The results show that the SOFC-HCCI engine hybrid system has a net electrical efficiency of approximately 59% and the exergy efficiency of 53.5%, both of which are more than single fuel cell system and comparable to other hybrid fuel cell systems. It is also found that the SOFC contributes to the total power of 80% and has a relatively low exergy destruction. Through the parametric analysis, the power distribution between SOFC and engine can be adjusted by controlling SOFC fuel utilization to optimize the system overall performance. Besides, the specific electric energy cost of the proposed hybrid system is calculated to be 6.91 cent/kW h, which is comparable to the specific cost of electric power (6.92 cent/kW h) generating from a biogas-fueled fuel cell hybrid system. The payback period and annual return on investment can reach 1.53 year and about 6.41%. These results reveal that the proposed conversion technology of natural gas fuel to power is efficient and economical, which could be a promising natural gas fuel utilization.
机译：提出了一种新的天然气利用系统，包括固体氧化物燃料电池（SOFC）和均匀电荷压缩点火（HCCI）发动机，并建模，以评估本文的热力学和热经济性能。结果表明，SOFC-HCCI发动机混合动力车系统的净电效率约为59％，低于效率为53.5％，这两者都是单一燃料电池系统，并与其他混合燃料电池系统相当。还发现，SOFC有助于80％的总功率，并且具有相对较低的驱动破坏。通过参数分析，可以通过控制SOFC燃料利用率来调整SOFC和发动机之间的功率分布，以优化系统整体性能。此外，所提出的混合系统的具体电能成本计算为6.91厘米/千瓦H，其与从沼气燃料电池混合系统产生的电力（6.92美分/ kW h）的特定成本相当。投资回收期和年度投资回报率可达1.53年，约为6.41％。这些结果表明，拟议的天然气燃料转换技术对电力有效且经济，这可能是一个有希望的天然气燃料利用。

著录项

  • 来源
    《Fuel》 |2020年第1期|117883.1-117883.13|共13页
  • 作者

    Zhu Pengfei; Yao Jing; Qian Chenhui; Yang Fusheng; Porpatham Ekambaram; Zhang Zaoxiao; Wu Zhen;

  • 作者单位

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Shaanxi Key Lab Energy Chem Proc Intensificat Xian Peoples R China;

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Shaanxi Key Lab Energy Chem Proc Intensificat Xian Peoples R China;

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Shaanxi Key Lab Energy Chem Proc Intensificat Xian Peoples R China;

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Shaanxi Key Lab Energy Chem Proc Intensificat Xian Peoples R China;

    Vellore Inst Technol Sch Mech Engn Automot Res Ctr Vellore Tamil Nadu India;

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Shaanxi Key Lab Energy Chem Proc Intensificat Xian Peoples R China|Xi An Jiao Tong Univ State Key Lab Multiphase Flow Power Engn Xian Peoples R China;

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Shaanxi Key Lab Energy Chem Proc Intensificat Xian Peoples R China|Hong Kong Polytech Univ Dept Bldg & Real Estate Bldg Energy Res Grp Hong Kong Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Solid oxide fuel cell; Hybrid power system; Thermodynamic modeling; Exergetic analysis; Thermo-economic analysis;

    机译：固体氧化物燃料电池;混合动力系统;热力学造型;exergetic分析;热经济分析;

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