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Thermodynamic analysis and fuel processing strategies for propane-fueled solid oxide fuel cell

机译:丙烷燃料固体氧化物燃料电池的热力学分析和燃料加工策略

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摘要

Propane is a particularly attractive fuel for solid oxide fuel cell (SOFC) because it is cheap, widely available and easily stored with high energy density, while carbon deposition may be a serious problem in direct propanefueled SOFC, thus efficient propane processing strategy is favored by SOFC. The fuel compositions, efficiency and stability of SOFC may be affected by propane processing strategies apparently. In this paper, the fuel compositions and cell efficiency are investigated for different propane pre-treating techniques. For steam reforming, CO2 reforming and anode off-gas reforming of propane, the decreasing rates of real fuel utilization and cell efficiency are apparently different with the change of equivalent fuel utilization. At high equivalent fuel utilization, the real fuel utilization and cell efficiency decrease slowly with the increase of oxygen to carbon (O/C) ratio. While at low equivalent fuel utilization, the real fuel utilization and cell efficiency decrease rapidly with the increase of O/C ratio. For catalytic partial oxidation of propane, the real fuel utilization and cell efficiency decrease rapidly and the decreasing rate is same at different equivalent fuel utilization with the increase of O/C ratio. Suitable proportions of steam, carbon dioxide and/or oxygen in the feed and efficient propane processing strategy can depress the carbon deposition and improve the cell efficiency.
机译:丙烷是用于固体氧化物燃料电池(SOFC)的特别有吸引力的燃料,因为它是便宜的,可广泛的可用且容易地存储高能量密度,而碳沉积可能是直接Propanefueled SOFC中的严重问题,因此有效的丙烷加工策略是有利的SOFC。 SOFC的燃料组合物,效率和稳定性可能受到显然的丙烷加工策略的影响。在本文中,研究了不同丙烷预处理技术的燃料组合物和细胞效率。对于蒸汽重整,CO2重整和阳极废气重整丙烷,实际燃料利用率和电池效率的降低与等效燃料利用的变化显然是不同的。在等效燃料利用率高,实际燃料利用率和电池效率随着氧气(O / C)比的增加而缓慢降低。虽然在等效燃料利用率低,但是通过升高的燃料利用率和电池效率随着O / C比的增加而迅速降低。对于丙烷的催化部分氧化,真正的燃料利用和电池效率迅速下降,随着O / C比率的增加,不同的等效燃料利用率的降低率也是如此。饲料和有效丙烷加工策略中的合适比例蒸汽,二氧化碳和/或氧气可以抑制碳沉积并提高电池效率。

著录项

  • 来源
    《Energy Conversion & Management》 |2020年第1期|112279.1-112279.10|共10页
  • 作者单位

    Shandong Univ Sci & Technol 579 Qianwangang Rd Qingdao 266590 Peoples R China;

    Shandong Univ Sci & Technol 579 Qianwangang Rd Qingdao 266590 Peoples R China;

    Shandong Univ Sci & Technol 579 Qianwangang Rd Qingdao 266590 Peoples R China;

    Shandong Univ Sci & Technol 579 Qianwangang Rd Qingdao 266590 Peoples R China|Chinese Acad Sci Dalian Inst Chem Phys 457 Zhongshan Rd Dalian 116023 Peoples R China;

    Chinese Acad Sci Dalian Inst Chem Phys 457 Zhongshan Rd Dalian 116023 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; Carbon deposition; Propane pre-treating techniques; Fuel utilization; Fuel cell efficiency;

    机译:固体氧化物燃料电池;碳沉积;丙烷预处理技术;燃料利用;燃料电池效率;

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