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Evaluation of high temperature membrane electrode assemblies based on sulfonated polysulfones

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Author

Summary, in English

In the development and evaluation of alternative ionomers, the membrane development and ex situ characterization have been the focus of interest. The properties of a MEA are dependent on the composition of materials in the components, i.e. membrane, electrodes and gas diffusion layers, and the interaction between these parts. The complexity of water transport in different components is one example of why new ionomers should be studied in complete MEAs. The importance of research on Gas Diffusion Electrodes (GDEs) based on new ionomers has been emphasized before, however, the incorporation of novel ionomers in GDEs has been reported only recently. In addition, it has been stated that high interfacial resistances occur between novel membranes and state-of-the-art Nafion GDEs, which will result in early MEA degradation and methodological difficulties in membrane lifetime testing.

Publishing year

2007

Language

English

Publication/Series

Proceedings of the Second European Fuel Cell and Applications Conference

Volume

EFC2007-39251

Issue

TK 1 Material and Fabrication Processes

Document type

Conference paper

Publisher

American Society Of Mechanical Engineers (ASME)

Topic

  • Chemical Sciences

Conference name

Second European Fuel Cell and Applications Conference, EFC2007

Conference date

2007-12-11 - 2007-12-14

Conference place

Rome, Italy

Status

Published