| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6501474 | Applied Catalysis B: Environmental | 2014 | 9 Pages |
Abstract
- Atomic-scale structural and compositional changes of Pt3Co/C nanoparticles during PEMFC operation.
- Formation of Pt, Pt-Co/C “hollow”, Pt-Co core-shell and Pt “bulk” nanoparticles.
- Hollow nanoparticles are Co poor and feature large size.
- Relation between the Pt-shell thickness and the size of the hollow nanoparticles.
- The ORR activity of the “hollow” Pt/C nanoparticles is 3-fold that of “bulk” Pt/C.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Miguel Lopez-Haro, Laetitia Dubau, Laure Guétaz, Pascale Bayle-Guillemaud, Marian Chatenet, Johan André, Nicolas Caqué, Elisabeth Rossinot, Frédéric Maillard,