I. Abs-Wurmbach

Structure of the catalytic sites in Fe/N/C-catalysts for O2-reduction in PEM fuel cells

Ulrike I. Kramm, Juan Herranz, Nicholas Larouche et al. · Physical Chemistry Chemical Physics · 2012 · 701 citations

Nature of the Catalytic Centers of Porphyrin-Based Electrocatalysts for the ORR: A Correlation of Kinetic Current Density with the Site Density of Fe−N₄ Centers

Ulrike Koslowski, I. Abs-Wurmbach, Sebastian Fiechter et al. · The Journal of Physical Chemistry C · 2008 · 378 citations

Engineering, Iron Porphyrin, Chemistry +16

Unveiling N-Protonation and Anion-Binding Effects on Fe/N/C Catalysts for O₂ Reduction in Proton-Exchange-Membrane Fuel Cells

Juan Herranz, Frédéric Jaouen, Michel Lefèvre et al. · The Journal of Physical Chemistry C · 2011 · 343 citations · Full text

Influence of the Electron-Density of FeN[sub 4]-Centers Towards the Catalytic Activity of Pyrolyzed FeTMPPCl-Based ORR-Electrocatalysts

Ulrike I. Kramm, I. Abs-Wurmbach, Iris Herrmann-Geppert et al. · Journal of The Electrochemical Society · 2010 · 197 citations

Materials Science, Inorganic Chemistry, Chemical Engineering +13

On the Influence of Sulphur on the Pyrolysis Process of FeTMPP-Cl-based Electro-Catalysts with Respect to Oxygen Reduction Reaction (ORR) in Acidic Media

Ulrike I. Kramm, Iris Herrmann, Sebastian Fiechter et al. · ECS Transactions · 2009 · 39 citations

Materials Science, Oxygen Reduction Reaction, Chemical Engineering +13