Membrane Degradation

Authored by: Yinghao Luan , Yongming Zhang

PEM Fuel Cell Failure Mode Analysis

Print publication date:  August  2011
Online publication date:  August  2011

Print ISBN: 9781439839171
eBook ISBN: 9781439839188
Adobe ISBN:

10.1201/b11112-5

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Abstract

4.1 Introduction

4.2 Types of Membrane

Perfluorosulfonic MembranesNon-PFSI MembranesHigh-Temperature Ionomer Membranes

4.3 Mechanisms of Membrane Degradation

Chemical DegradationMechanical DegradationThermal DegradationCharacterization of Membrane Degradation

4.4 Ionomer Degradation Inside the CL

MechanismMitigation Strategies

4.5 Localized Degradation

Platinum PrecipitationInlets and Edges

4.6 Effects of Operating Conditions and other Parameters on Membrane Degradation

Cell TemperatureCatalystRelative HumidityGas PressureMembrane ThicknessFeed StarvationContaminant Ions

4.7 Summary

References

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