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Study on operational aspects of a passive direct methanol fuel cell incorporating an anodic methanol barrier

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  • Yuan, Wei
  • Deng, Jun
  • Zhang, Zhaochun
  • Yang, Xiaojun
  • Tang, Yong

Abstract

This paper presents an investigation concerning the effects of operating conditions on the performance of a passive direct methanol fuel cell (DMFC). A self-developed porous metal fiber sintered plate (PMFSP) is used as the methanol barrier between the fuel reservoir and current collector at the anode in order to alleviate the effect of methanol crossover. The effectiveness of using this method is validated. A series of operating conditions such as operating orientation, methanol concentration, ambient temperature, forced air convection and dynamic load are evaluated. Results show that the use of a PMFSP promotes a higher cell performance during vertical operation than horizontal orientation. The effect of methanol concentration depends on the PMFSP porosity. A relatively lower porosity is favorable for high-concentration operation. The cell performance gets improved when increasing the ambient temperature and adopting forced air supply at the cathode. Compared with the traditional structure, the use of a PMFSP makes the fuel cell insensitive to the change of blowing intensity. In addition, the dynamic characteristics of the PMFSP-based passive DMFC are also reported.

Suggested Citation

  • Yuan, Wei & Deng, Jun & Zhang, Zhaochun & Yang, Xiaojun & Tang, Yong, 2014. "Study on operational aspects of a passive direct methanol fuel cell incorporating an anodic methanol barrier," Renewable Energy, Elsevier, vol. 62(C), pages 640-648.
    • Handle: RePEc:eee:renene:v:62:y:2014:i:c:p:640-648
    DOI: 10.1016/j.renene.2013.08.032
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    Cited by:

    1. Braz, B.A. & Oliveira, V.B. & Pinto, A.M.F.R., 2020. "Optimization of a passive direct methanol fuel cell with different current collector materials," Energy, Elsevier, vol. 208(C).
    2. Munjewar, Seema S. & Thombre, Shashikant B. & Mallick, Ranjan K., 2017. "Approaches to overcome the barrier issues of passive direct methanol fuel cell – Review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 1087-1104.
    3. Hsieh, Shou-Shing & Ho, Chin-Chu & Hung, Ling-Ching, 2016. "Performance tests of a double-passive μDMFC stack with parallel/dendrite flow field," Renewable Energy, Elsevier, vol. 90(C), pages 28-37.
    4. Zhang, Yufeng & Xue, Rui & Zhang, Xuelin & Song, Jiaying & Liu, Xiaowei, 2015. "rGO deposited in stainless steel fiber felt as mass transfer barrier layer for μ-DMFC," Energy, Elsevier, vol. 91(C), pages 1081-1086.
    5. Abdelkareem, Mohammad Ali & Allagui, Anis & Sayed, Enas Taha & El Haj Assad, M. & Said, Zafar & Elsaid, Khaled, 2019. "Comparative analysis of liquid versus vapor-feed passive direct methanol fuel cells," Renewable Energy, Elsevier, vol. 131(C), pages 563-584.
    6. Alipour Najmi, Ali & Rowshanzamir, Soosan & Parnian, Mohammad Javad, 2016. "Investigation of NaOH concentration effect in injected fuel on the performance of passive direct methanol alkaline fuel cell with modified cation exchange membrane," Energy, Elsevier, vol. 94(C), pages 589-599.
    7. Zhengang Zhao & Fan Zhang & Yanhui Zhang & Dacheng Zhang, 2021. "Performance Optimization of μ DMFC with Foamed Stainless Steel Cathode Current Collector," Energies, MDPI, vol. 14(20), pages 1-13, October.
    8. Alipour Najmi, Ali & Rowshanzamir, Soosan & Parnian, Mohammad Javad, 2016. "Study of physicochemical characterization of potassium-doped Nafion117 membrane and performance evaluation of air-breathing fuel cell in different alkali-methanol solutions," Energy, Elsevier, vol. 113(C), pages 1090-1098.

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