Journal article
Quantitative Mapping of Ionomer in Catalyst Layers by Electron and X-ray Spectromicroscopy
Abstract
The perfluorosulfonic acid (PFSA) ionomer commonly used in Polymer Electrolyte Membrane Fuel Cells (PEM-FC) consists of a hydrophobic tetrafluoroethylene backbone with side chains terminated with sulfonate groups responsible for proton conduction. Optimizing the spatial distribution of ionomer in the catalyst layer maximizes the catalyst that is accessible to protons and O2, reducing the Pt loading. Thus, the methods of quantifying the …
Authors
Melo LGA; Hitchcock AP; Jankovic J; Stumper J; Susac D; Berejnov V
Journal
ECS Meeting Abstracts, Vol. MA2017-02, No. 32, pp. 1410–1410
Publisher
The Electrochemical Society
Publication Date
September 1, 2017
DOI
10.1149/ma2017-02/32/1410
ISSN
2151-2043