Stability investigations of electrocatalysts on the nanoscale

The search for more stable electrocatalyst materials for electrochemical energy conversion requires a fundamental understanding of the underlying degradation processes. Advanced characterization techniques like identical location transmission electron microscopy (IL-TEM) can provide invaluable insig...

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Bibliographic Details
Published in:Energy & environmental science 2012-11, Vol.5 (11), p.9319-933
Main Authors: Meier, Josef C, Katsounaros, Ioannis, Galeano, Carolina, Bongard, Hans J, Topalov, Angel A, Kostka, Aleksander, Karschin, Arndt, Schüth, Ferdi, Mayrhofer, Karl J. J
Format: Article
Language:English
Subjects:
Degradation
Electrocatalysts
Gain
Nanocomposites
Nanomaterials
Nanostructure
Position (location)
Stability
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Summary:The search for more stable electrocatalyst materials for electrochemical energy conversion requires a fundamental understanding of the underlying degradation processes. Advanced characterization techniques like identical location transmission electron microscopy (IL-TEM) can provide invaluable insight into the stability of electrode materials on the nanoscale. In this review, the basic principles and the methodology of IL-TEM are described, and its capabilities are revealed by demonstrating the recent progress that has been achieved in research on the stability of fuel cell catalysts. Moreover, we provide future perspectives of the identical location approach towards implementing other electron microscopic and tomographic applications, which will help us to gain an even broader view of the degradation of electrocatalysts. The advanced identical location approach for electron microscopy offers unique possibilities for studies on degradation in electrochemical energy conversion.
ISSN:1754-5692
1754-5706
DOI:10.1039/c2ee22550f