Journal
POLYMER REVIEWS
Volume 55, Issue 2, Pages 330-370Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15583724.2015.1011275
Keywords
direct methanol fuel cells; alkaline membrane fuel cells; proton exchange membrane fuel cells; characterization; polymer electrolyte; Nafion
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Funding
- U.S. Department of Energy Fuel Cell Technologies Program
- U.S. Department of Energy [DE-AC52-06NA25396]
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Polymer electrolyte membranes (PEMs) play a crucial role for use in major polymer-based fuel cell applications. Key PEM properties such as ion conductivity, reactant permeability, and chemical/physical stability are strongly influenced by the chemical structure and processing conditions of PEMs. This paper presents the property measurement techniques of PEMs using stand-alone membranes and membrane electrode assembly (MEA) configurations. PEM properties such as ion exchange capacity, water uptake, ion conductivity, gas/liquid permeability, and chemical/physical stability are discussed with emphasis on measurement techniques. In addition, the measurement techniques for polymer electrolyte in the catalyst layer are briefly discussed. This review may give some insight to polymer scientists when novel PEM materials are designed, prepared, screened, or fine-tuned for advanced fuel cell systems.
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