Polymer Electrolyte Fuel Cell Durability
(Sprache: Englisch)
This book will cover one of the most important aspects of fuel cell research and development, fuel cell durability. The rather broad topic of fuel cell durability will be covered from different viewpoints. First, the durability and degradation issues of...
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This book will cover one of the most important aspects of fuel cell research and development, fuel cell durability. The rather broad topic of fuel cell durability will be covered from different viewpoints. First, the durability and degradation issues of catalyst materials (both anode and cathode catalysts) will be described in individual contributions as well as stability aspects from carbon support materials. A following chapter is completely dedicated to important topics from membrane materials, i.e., chemical and physical degradation as well durability from newly developed hydrocarbon membranes. After discussion of stability and durability topics from gas diffusion layer materials and bipolar plate materials, a large part of the book will cover various aspects from membrane electrode assemblies, i.e., low and high temperature MEAs as well as DMFC MEAs. Since MEA Cost and Durability are heavily linked, this topic will be discussed one contribution. In the consecutive chapter on MEA and stack operation, the impact of contaminants (e.g. in the gas streams or water for humidification) on MEA and stack lifetime will be described. Furthermore, some information will be given on reliability and predictive testing of MEAs and stacks.
Klappentext zu „Polymer Electrolyte Fuel Cell Durability “
This book covers a significant number of R&D projects, performed mostly after 2000, devoted to the understanding and prevention of performance degradation processes in polymer electrolyte fuel cells (PEFCs). The extent and severity of performance degradation processes in PEFCs were recognized rather gradually. Indeed, the recognition overlapped with a significant number of industrial dem- strations of fuel cell powered vehicles, which would suggest a degree of technology maturity beyond the resaolution of fundamental failure mechanisms. An intriguing question, therefore, is why has there been this apparent delay in addressing fun- mental performance stability requirements. The apparent answer is that testing of the power system under fully realistic operation conditions was one prerequisite for revealing the nature and extent of some key modes of PEFC stack failure. Such modes of failure were not exposed to a similar degree, or not at all, in earlier tests of PEFC stacks which were not performed under fully relevant conditions, parti- larly such tests which did not include multiple on-off and/or high power-low power cycles typical for transportation and mobile power applications of PEFCs. Long-term testing of PEFCs reported in the early 1990s by both Los Alamos National Laboratory and Ballard Power was performed under conditions of c- stant cell voltage, typically near the maximum power point of the PEFC.
Inhaltsverzeichnis zu „Polymer Electrolyte Fuel Cell Durability “
Stack Components.- Dissolution and Stabilization of Platinum in Oxygen Cathodes.- Carbon-Support Requirements for Highly Durable Fuel Cell Operation.- Chemical Degradation of Perfluorinated Sulfonic Acid Membranes.- Chemical Degradation: Correlations Between Electrolyzer and Fuel Cell Findings.- Improvement of Membrane and Membrane Electrode Assembly Durability.- Durability of Radiation-Grafted Fuel Cell Membranes.- Durability Aspects of Gas-Diffusion and Microporous Layers.- High-Temperature Polymer Electrolyte Fuel Cells: Durability Insights.- Direct Methanol Fuel Cell Durability.- Influence of Metallic Bipolar Plates on the Durability of Polymer Electrolyte Fuel Cells.- Durability of Graphite Composite Bipolar Plates.- Gaskets: Important Durability Issues.- Cells and Stack Operation.- Air Impurities.- Impurity Effects on Electrode Reactions in Fuel Cells.- Performance and Durability of a Polymer Electrolyte Fuel Cell Operating with Reformate: Effects of CO, CO2, and Other Trace Impurities.- Subfreezing Phenomena in Polymer Electrolyte Fuel Cells.- Application of Accelerated Testing and Statistical Lifetime Modeling to Membrane Electrode Assembly Development.- Operating Requirements for Durable Polymer-Electrolyte Fuel Cell Stacks.- Design Requirements for Bipolar Plates and Stack Hardware for Durable Operation.- Heterogeneous Cell Ageing in Polymer Electrolyte Fuel Cell Stacks.- System Perspectives.- Degradation Factors of Polymer Electrolyte Fuel Cells in Residential Cogeneration Systems.- Fuel Cell Stack Durability for Vehicle Application.- R&D Status.- Durability Targets for Stationary and Automotive Applications in Japan.
Bibliographische Angaben
- 2010, XVIII, 510 Seiten, Maße: 15,5 x 23,5 cm, Kartoniert (TB), Englisch
- Herausgegeben: Felix N. Büchi, Minoru Inaba, Thomas J. Schmidt
- Verlag: Springer, Berlin
- ISBN-10: 1441927549
- ISBN-13: 9781441927545
Sprache:
Englisch
Pressezitat
From the reviews: "The editors of this book have brought together a strong collection of ... topics of PEMFC design and operation, and provide a solid overview of all key aspects of their durability. ... for students and new workers in the field, this book could serve as a short course which allows them to critically read the literature and to understand the conference papers on the subject from a solid frame of reference." (David A. Schiraldi, Macromolecular Chemistry and Physics, Vol. 210, 2009)
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