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Optimization of a passive direct methanol fuel cell with different current collector materials

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  • Braz, B.A.
  • Oliveira, V.B.
  • Pinto, A.M.F.R.

Abstract

Towards the introduction of passive direct methanol fuel cells in the market, it is mandatory to achieve an optimum balance between its cost, efficiency and durability. To achieve that and knowing that the current collectors are responsible for about 80% of these systems weight, different current collector materials were tested in the anode and cathode sides of a passive direct methanol fuel cell, towards a cost and weight reduction. The best configuration was used to assess the lifetime of the developed passive direct methanol fuel cell. The cell performance and lifetime was evaluated through polarization measurements and these results were explained under the light of the electrochemical impedance spectroscopy data. A major novelty of this study is the use of an innovative equivalent electric circuit that accurately describes a passive direct methanol fuel cell, which allowed the identification and quantification of the different performance losses that negatively affect these systems efficiency.

Suggested Citation

  • 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).
    • Handle: RePEc:eee:energy:v:208:y:2020:i:c:s0360544220315012
    DOI: 10.1016/j.energy.2020.118394
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    References listed on IDEAS

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    1. 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.
    2. Wang, Zhigang & Zhang, Xuelin & Nie, Li & Zhang, Yufeng & Liu, Xiaowei, 2014. "Elimination of water flooding of cathode current collector of micro passive direct methanol fuel cell by superhydrophilic surface treatment," Applied Energy, Elsevier, vol. 126(C), pages 107-112.
    3. Zainoodin, A.M. & Kamarudin, S.K. & Masdar, M.S. & Daud, W.R.W. & Mohamad, A.B. & Sahari, J., 2014. "Investigation of MEA degradation in a passive direct methanol fuel cell under different modes of operation," Applied Energy, Elsevier, vol. 135(C), pages 364-372.
    4. 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.
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    Cited by:

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    2. 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.
    3. Maria H. de Sá & Alexandra M. F. R. Pinto & Vânia B. Oliveira, 2022. "Passive Small Direct Alcohol Fuel Cells for Low-Power Portable Applications: Assessment Based on Innovative Increments since 2018," Energies, MDPI, vol. 15(10), pages 1-48, May.
    4. Eisa, Tasnim & Park, Sung-Gwan & Mohamed, Hend Omar & Abdelkareem, Mohammad Ali & Lee, Jieun & Yang, Euntae & Castaño, Pedro & Chae, Kyu-Jung, 2021. "Outstanding performance of direct urea/hydrogen peroxide fuel cell based on precious metal-free catalyst electrodes," Energy, Elsevier, vol. 228(C).
    5. Lan, Qiao & Ye, Dingding & Zhu, Xun & Chen, Rong & Liao, Qiang, 2022. "Enhanced gas removal and cell performance of a microfluidic fuel cell by a paper separator embedded in the microchannel," Energy, Elsevier, vol. 239(PB).

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