In this research, electrochemical impedance spectroscopy is employed to monitor the resistance of a fuel cell during operation with different operating conditions and different materials for the bipolar plates. The operating condition variables are cell humidity, pure oxygen or air as oxidizer, and current density. Three groups of single cells were tested: a graphite cell, a stainless steel cell (treated and original), and a thin, small, treated stainless steel cell. A treated cell here means using an electrochemical treatment to improve bipolar plate anticorrosion capability. From the results, the ohmic resistance of a fully humidified treated stainless steel fuel cell is . Under the same operating conditions, the ohmic resistance of the graphite and the original fuel cell are each and that of the small treated cell is . Cell humidity has a greater influence on resistance than does the choice of oxidizer; furthermore, resistance variation due to humidity effects is more serious with air support. From the above results, fuel cells fundamental phenomenon such as ohmic resistance, charge transfer resistance, and mass transport resistance under different operating conditions could be evaluated.
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e-mail: mesjl@saturn.yzu.edu.tw
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August 2010
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
The Resistive Properties of Proton Exchange Membrane Fuel Cells With Stainless Steel Bipolar Plates
Shuo-Jen Lee,
Shuo-Jen Lee
Department of Mechanical Engineering, Yuan Ze Fuel Cell Center,
e-mail: mesjl@saturn.yzu.edu.tw
Yuan Ze University
, Taoyuan, Taiwan 320, R.O.C.
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Kung-Ting Yang,
Kung-Ting Yang
Department of Mechanical Engineering, Yuan Ze Fuel Cell Center,
Yuan Ze University
, Taoyuan, Taiwan 320, R.O.C.
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Yu-Ming Lee,
Yu-Ming Lee
Department of Mechanical Engineering, Yuan Ze Fuel Cell Center,
Yuan Ze University
, Taoyuan, Taiwan 320, R.O.C.
Search for other works by this author on:
Chi-Yuan Lee
Chi-Yuan Lee
Department of Mechanical Engineering, Yuan Ze Fuel Cell Center,
Yuan Ze University
, Taoyuan, Taiwan 320, R.O.C.
Search for other works by this author on:
Shuo-Jen Lee
Department of Mechanical Engineering, Yuan Ze Fuel Cell Center,
Yuan Ze University
, Taoyuan, Taiwan 320, R.O.C.e-mail: mesjl@saturn.yzu.edu.tw
Kung-Ting Yang
Department of Mechanical Engineering, Yuan Ze Fuel Cell Center,
Yuan Ze University
, Taoyuan, Taiwan 320, R.O.C.
Yu-Ming Lee
Department of Mechanical Engineering, Yuan Ze Fuel Cell Center,
Yuan Ze University
, Taoyuan, Taiwan 320, R.O.C.
Chi-Yuan Lee
Department of Mechanical Engineering, Yuan Ze Fuel Cell Center,
Yuan Ze University
, Taoyuan, Taiwan 320, R.O.C.J. Fuel Cell Sci. Technol. Aug 2010, 7(4): 041004 (5 pages)
Published Online: April 6, 2010
Article history
Received:
May 3, 2008
Revised:
March 12, 2009
Online:
April 6, 2010
Published:
April 6, 2010
Citation
Lee, S., Yang, K., Lee, Y., and Lee, C. (April 6, 2010). "The Resistive Properties of Proton Exchange Membrane Fuel Cells With Stainless Steel Bipolar Plates." ASME. J. Fuel Cell Sci. Technol. August 2010; 7(4): 041004. https://doi.org/10.1115/1.3179760
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