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Diagnostic tools in PEM fuel cell research : Part I Electrochemical techniques
Author(s):
Affiliation:
National Research Council Canada; NRC Institute for Fuel Cell Innovation
Language:
English
Type:
Article
Journal:
International Journal of Hydrogen Energy
Date:
2008
Pages :
1735-1746
NPArC #:
8901189
Keywords:
PEM fuel cell; Stack; Diagnostic tool; Design
Abstract:
To meet the power density, reliability, and cost requirements that will enable a widespread use of fuel cells, many research activities focus on an understanding of the thermodynamics as well as the fluid mechanical and electrochemical processes within a fuel cell. To date, a wide range of experimental diagnostics is imperative not only to help a fundamental understanding of fuel cell dynamics but also to provide benchmark-quality data for modeling research. This two-part paper reviews various tools for diagnosing polymer electrolyte membrane (PEM) fuel cells and stacks, and attempts to incorporate the most recent technical advances in PEM fuel cell diagnosis. In Part I, we review various electrochemical techniques and outline the principle, experimental implementation, and data processing of each technique. Capabilities and weaknesses of these techniques are also discussed. In Part II of the review we will cover physical/chemical methods.
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