Advertisement

Journal of Applied Electrochemistry

, Volume 26, Issue 7, pp 751–756 | Cite as

A direct methanol fuel cell using acid-doped polybenzimidazole as polymer electrolyte

  • J. -T. Wang
  • J. S. Wainright
  • R. F. Savinell
  • M. Litt
Papers

Abstract

A direct methanol/oxygen solid polymer electrolyte fuel cell was demonstrated. This fuel cell employed a 4 mg cm−2 Pt-Ru alloy electrode as an anode, a 4 mg cm−2 Pt black electrode as a cathode and an acid-doped polybenzimidazole membrane as the solid polymer electrolyte. The fuel cell is designed to operate at elevated temperature (200°C) to enhance the reaction kinetics and depress the electrode poisoning, and reduce the methanol crossover. This fuel cell demonstrated a maximum power density about 0.1 W cm−2 in the current density range of 275–500 mA cm−2 at 200°C with atmospheric pressure feed of methanol/water mixture and oxygen. Generally, increasing operating temperature and water/methanol mole ratio improves cell performance mainly due to the decrease of the methanol crossover. Using air instead of the pure oxygen results in approximately 120 mV voltage loss within the current density range of 200–400 mA cm−2 .

Keywords

Fuel Cell Polymer Electrolyte Solid Polymer Electrolyte Direct Methanol Fuel Cell Maximum Power Density 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. [1]
    M. S. Wilson and S. Gottesfeld, J. Electrochem. Soc. 139 (1992) L28.Google Scholar
  2. [2]
    M. S. Wilson and S. Gottesfeld, J. Appl. Electrochem.. 22 (1992) 1.Google Scholar
  3. [3]
    E. J. Taylor, E. B. Anderson and N. R. K. Vilambi, J. Electrochem. Soc. 139 (1992) L45.Google Scholar
  4. [4]
    S. Mukerjee, S. Srinivasan and A. J. Appleby, Electrochim. Acta 38 (1993) 1161.Google Scholar
  5. [5]
    M. Wilson, J. Bett, X. Ren, F. Uribe and S. Gottesfeld, Ext. abstract 477, 187th Electrochemical Society Meeting, Reno, NV, 21–26 May (1995).Google Scholar
  6. [6]
    D. Maricle and B. L. Murach, Ext. abstract 478, 187th Electrochemical Society Meeting, Reno, NV, 21–26 May (1995).Google Scholar
  7. [7]
    J. A. Kosek, C. C. Cropley, G. Wilson and B. LaConti, Ext. abstract 479, 187th Electrochemical Society Meeting, Reno, NV, 21–26 May (1995).Google Scholar
  8. [8]
    M. S. Wilson, J. A. Bett, T. A. Zawodzinski, and S. Gottesfeld, Ext. abstract 626, 185th Electrochemical Society Meeting, 22–27th May 1994, San Francisco, CA (1994).Google Scholar
  9. [9]
    R. F. Savinell, E. Yeager, D. Tryk, U. Landau, J. Wainright, D. Weng, K. Lux, M. Litt, and C. Rogers, J. Electrochem. Soc. 141 (1994) L46.Google Scholar
  10. [10]
    J. S. Wainright, J.-T. Wang, D. Weng, R. F. Savinell and M. Litt, ibid. 142 (1995) L121.Google Scholar
  11. [11]
    D. Weng, J. S. Wainright and R. F. Savinell, Ext. abstract 667, 188th Electrochemical Society Meeting, Chicago, IL, 8–13 Oct. (1995).Google Scholar
  12. [12]
    T. A. Zawodzinski, Jr, T. E. Springer, J. Davey, R. Jestel, C. Lopez, J. Valerio, and S. Gottesfeld, J. Electrochem. Soc. 140 (1993) 1981.Google Scholar
  13. [13]
    T. F. Fuller and J. Newman, ibid. 139 (1992) 1332.Google Scholar
  14. [14]
    A. Aramata and M. Masuda, ibid. 138 (1991) 1949.Google Scholar
  15. [15]
    H. A. Gasteiger, N. Markovic, P. N. Ross, Jr., and E. J. Cairns, ibid. 141 (1994) 1795.Google Scholar
  16. [16]
    Q. Zhao and R. F. Savinell, Ext. abstract 615, 186th Electrochemical Society Meeting, Miami Beach, FL, 9–14 Oct. (1994).Google Scholar
  17. [17]
    S. Wasmus, J-T., Wang and R. F. Savinell, Electrochem. Soc. 142 (1995) 3825.Google Scholar
  18. [18]
    J.-T. Wang, R. F. Savinell, M. Litt and H. Yu, Electrochim. Acta 41 (1996) 193.Google Scholar
  19. [19]
    J.-T. Wang and R. F. Savinell, ‘Simulation Studies on the Fuel Electrode of a Methanol Air Polymer electrolyte Fuel Cell’, Proceedings of the Symposium on Electrode Materials and Processes for Energy Conversion and Storage III (edited by S. Srinivasan), San Francisco, CA, The Electrochemical Society, Pennington, NJ (1994).Google Scholar

Copyright information

© Chapman & Hall 1996

Authors and Affiliations

  • J. -T. Wang
    • 1
  • J. S. Wainright
    • 1
  • R. F. Savinell
    • 1
  • M. Litt
    • 2
  1. 1.Ernest B. Yeager Center for Electrochemical Sciences, Department of Chemical EngineeringsCase Western Reserve UniversityClevelandUSA
  2. 2.Department of Macromolecular ScienceCase Western Reserve UniversityClevelandUSA

Personalised recommendations