In situ 57Fe mössbauer study of a porphyrin based FeNC catalyst for ORR

Potential‐induced spin changes in Fe/N/C electrocatalysts assessed by in situ X‐ray emission spectroscopy

(2021) Viktoriia A. Saveleva et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Application of Non‐Precious Bifunctional Catalysts for Metal‐Air Batteries

(2021) Steffen Haller et al.   Energy Technology

Impact of Surface Functionalization on the Intrinsic Properties of the Resulting Fe–N–C Catalysts for Fuel Cell Applications

(2020) Markus Kübler et al.   Energy Technology

Multilayer stabilization for fabricating high-loading single-atom catalysts

(2020) Yazhou Zhou et al.   Nature Communications

Identification of the Electronic and Structural Dynamics of Catalytic Centers in Single-Fe-Atom Material

(2020) Xuning Li et al.   Chem

Identification of durable and non-durable FeNx sites in Fe–N–C materials for proton exchange membrane fuel cells

(2020) Jingkun Li et al.   Nature Catalysis

57 Fe Mössbauer Spectroscopy Characterization of Electrocatalysts

(2019) Ulrike I. Kramm et al.   ADVANCED MATERIALS

Pitfalls in Heterogeneous Thermal, Electro‐ and Photocatalysis

(2019) Ulrike I. Kramm et al.   ChemCatChem

Elucidating the Structural Composition of an Fe-N-C Catalyst by Nuclear- and Electron-Resonance Techniques

(2019) Stephan Wagner et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Elucidation of Fe-N-C electrocatalyst active site functionality via in-situ X-ray absorption and operando determination of oxygen reduction reaction kinetics in a PEFC

(2019) Luigi Osmieri et al.   APPLIED CATALYSIS B-ENVIRONMENTAL

Deconvolution of Utilization, Site Density, and Turnover Frequency of Fe–Nitrogen–Carbon Oxygen Reduction Reaction Catalysts Prepared with Secondary N-Precursors

(2018) Nathaniel D. Leonard et al.   ACS Catalysis

Influence of the Structure-Forming Agent on the Performance of Fe-N-C Catalysts

(2018) Sven Schardt et al.   Catalysts

Direct atomic-level insight into the active sites of a high-performance PGM-free ORR catalyst

(2017) Hoon T. Chung et al.   SCIENCE

Current challenge and perspective of PGM-free cathode catalysts for PEM fuel cells

(2017) Gang Wu   Frontiers in Energy

Probing active sites in iron-based catalysts for oxygen electro-reduction: A temperature-dependent 57 Fe Mössbauer spectroscopy study

(2016) Moulay Tahar Sougrati et al.   CATALYSIS TODAY

Structural and mechanistic basis for the high activity of Fe–N–C catalysts toward oxygen reduction

(2016) Jingkun Li et al.   Energy & Environmental Science

In situ electrochemical quantification of active sites in Fe–N/C non-precious metal catalysts

(2016) Daniel Malko et al.   Nature Communications

Experimental Observation of Redox-Induced Fe–N Switching Behavior as a Determinant Role for Oxygen Reduction Activity

(2015) Qingying Jia et al.   ACS Nano

Stability of Fe-N-C Catalysts in Acidic Medium Studied by Operando Spectroscopy

(2015) Chang Hyuck Choi et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Degradation by Hydrogen Peroxide of Metal-Nitrogen-Carbon Catalysts for Oxygen Reduction

(2015) V. Goellner et al.   JOURNAL OF THE ELECTROCHEMICAL SOCIETY

Identification of catalytic sites for oxygen reduction in iron- and nitrogen-doped graphene materials

(2015) Andrea Zitolo et al.   NATURE MATERIALS

Quantifying the density and utilization of active sites in non-precious metal oxygen electroreduction catalysts

(2015) Nastaran Ranjbar Sahraie et al.   Nature Communications

Elucidating Oxygen Reduction Active Sites in Pyrolyzed Metal–Nitrogen Coordinated Non-Precious-Metal Electrocatalyst Systems

(2014) Urszula Tylus et al.   Journal of Physical Chemistry C

Analyzing Structural Changes of Fe–N–C Cathode Catalysts in PEM Fuel Cell by Mößbauer Spectroscopy of Complete Membrane Electrode Assemblies

(2014) Ulrike I. Kramm et al.   Journal of Physical Chemistry Letters

Degradation of Fe/N/C catalysts upon high polarization in acid medium

(2014) Vincent Goellner et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Correlations between Mass Activity and Physicochemical Properties of Fe/N/C Catalysts for the ORR in PEM Fuel Cell via 57Fe Mössbauer Spectroscopy and Other Techniques

(2013) Ulrike I. Kramm et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

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

(2012) Ulrike I. Kramm et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Effect of an Ammonia Treatment on Structure, Composition, and Oxygen Reduction Reaction Activity of Fe–N–C Catalysts

(2011) Ulrike I. Kramm et al.   Journal of Physical Chemistry C

Recent advances in non-precious metal catalysis for oxygen-reduction reaction in polymer electrolyte fuelcells

(2010) Frédéric Jaouen et al.   Energy & Environmental Science

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

(2010) U. I. Kramm et al.   JOURNAL OF THE ELECTROCHEMICAL SOCIETY

Cross-Laboratory Experimental Study of Non-Noble-Metal Electrocatalysts for the Oxygen Reduction Reaction

(2009) Frédéric Jaouen et al.   ACS Applied Materials & Interfaces

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

(2008) Ulrike I. Koslowski et al.   Journal of Physical Chemistry C