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Dominance evaluation of structural factors in a passive air-breathing direct methanol fuel cell based on orthogonal array analysis

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  • Yuan, Wei
  • Tang, Yong
  • Wang, Qinghui
  • Wan, Zhenping

Abstract

This study comprehensively investigates the dominance of various structural factors in a passive air-breathing DMFC by means of orthogonal array analysis (OAA). Two membrane types, two assembly patterns of the diffusion layer and two open ratios of the current collector are prepared. Three target variables are selected as the performance indexes including the maximum power density (MPD), limiting current density (LCD) and open circuit voltage (OCV). The range analysis (RA) method and effect curves (ECs) are used to characterize the OAA data. The RA results demonstrate that the current collector and diffusion layer combine to dominate the values of MPD and LCD in a wide range of methanol concentrations from 0.5 to 8Â M. The dominant structural factors related to the value of OCV at different methanol concentrations are also explored. In addition, the effect curves show that a medium methanol concentration like 2Â M generally promotes higher values of MPD and LCD, while a relatively lower methanol concentration like 0.5Â M benefits a higher value of OCV than others in a general statistical sense.

Suggested Citation

  • Yuan, Wei & Tang, Yong & Wang, Qinghui & Wan, Zhenping, 2011. "Dominance evaluation of structural factors in a passive air-breathing direct methanol fuel cell based on orthogonal array analysis," Applied Energy, Elsevier, vol. 88(5), pages 1671-1680, May.
    • Handle: RePEc:eee:appene:v:88:y:2011:i:5:p:1671-1680
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    References listed on IDEAS

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    1. Seo, Sang Hern & Lee, Chang Sik, 2010. "A study on the overall efficiency of direct methanol fuel cell by methanol crossover current," Applied Energy, Elsevier, vol. 87(8), pages 2597-2604, August.
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    1. Ismail, M.S. & Ingham, D.B. & Hughes, K.J. & Ma, L. & Pourkashanian, M., 2014. "An efficient mathematical model for air-breathing PEM fuel cells," Applied Energy, Elsevier, vol. 135(C), pages 490-503.
    2. Ismail, M.S. & Ingham, D.B. & Hughes, K.J. & Ma, L. & Pourkashanian, M., 2013. "Thermal modelling of the cathode in air-breathing PEM fuel cells," Applied Energy, Elsevier, vol. 111(C), pages 529-537.
    3. Yuan, Wei & Tang, Yong & Yang, Xiaojun & Wan, Zhenping, 2012. "Porous metal materials for polymer electrolyte membrane fuel cells – A review," Applied Energy, Elsevier, vol. 94(C), pages 309-329.
    4. Yuan, Wei & Wang, Aoyu & Ye, Guangzhao & Pan, Baoyou & Tang, Kairui & Chen, Haimu, 2017. "Dynamic relationship between the CO2 gas bubble behavior and the pressure drop characteristics in the anode flow field of an active liquid-feed direct methanol fuel cell," Applied Energy, Elsevier, vol. 188(C), pages 431-443.
    5. Chen, Qing-Yun & Fu, Rong & Fang, Xiao-Wen & Cai, Wen-Fang & Wang, Yun-Hai & Cheng, Shao-An, 2015. "Cr-methanol fuel cell for efficient Cr(VI) removal and high power production," Applied Energy, Elsevier, vol. 138(C), pages 31-35.
    6. Kim, Joon-Hee & Yang, Min-Jee & Park, Jun-Young, 2014. "Improvement on performance and efficiency of direct methanol fuel cells using hydrocarbon-based membrane electrode assembly," Applied Energy, Elsevier, vol. 115(C), pages 95-102.

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