List of works - Ulrike I Kramm

57 Fe Mössbauer Spectroscopy Characterization of Electrocatalysts

scientific article published on 18 February 2019

57 Fe-Enrichment effect on the composition and performance of Fe-based O 2 -reduction electrocatalysts

scientific article published in 2021

A density functional theory study of catalytic sites for oxygen reduction in Fe/N/C catalysts used in H₂/O₂ fuel cells

scientific article published on 25 March 2014

A specific demetalation of Fe–N 4 catalytic sites in the micropores of NC_Ar + NH 3 is at the origin of the initial activity loss of the highly active Fe/N/C catalyst used for the reduction of oxygen in PEM fuel cells

scientific article published in 2018

Activity and degradation study of an Fe-N-C catalyst for ORR in Direct Methanol Fuel Cell (DMFC)

scientific article published in March 2020

Activity, Selectivity and Initial Degradation of Iron Molybdate in the Oxidative Dehydrogenation of Ethanol

scientific article

Adding a New Member to the MXene Family: Synthesis, Structure, and Electrocatalytic Activity for the Hydrogen Evolution Reaction of V 4 C 3 T x

scientific article published on 10 July 2018

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

scientific article published on 16 October 2014

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

scientific article published on 31 May 2021

Beyond the top of the volcano? – A unified approach to electrocatalytic oxygen reduction and oxygen evolution

Bimetallic porous porphyrin polymer-derived non-precious metal electrocatalysts for oxygen reduction reactions

Calibration of computational Mössbauer spectroscopy to unravel active sites in FeNC catalysts for the oxygen reduction reaction

scientific article published on 25 July 2020

Comparative Study of the Carbonisation of CoTMPP by Low Temperature Plasma and Heat Treatment

scientific article published on 31 March 2010

Conversion of a polysilazane‐modified cellulose‐based paper into a C/SiFe(N,C)O ceramic paper via thermal ammonolysis

scientific article published on 8 September 2021

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.

scientific article published on 9 January 2014

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

scientific article published on 01 August 2009

Deactivation, reactivation and super-activation of Fe-N/C oxygen reduction electrocatalysts: Gas sorption, physical and electrochemical investigation using NO and O2

scientific article published in September 2021

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

scientific article published on 25 January 2018

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

scientific article published on 8 November 2011

Effect of iron-carbide formation on the number of active sites in Fe–N–C catalysts for the oxygen reduction reaction in acidic media

scientific article published in 2014

Elucidating the Origin of Hydrogen Evolution Reaction Activity in Mono- and Bimetallic Metal- and Nitrogen-Doped Carbon Catalysts (Me-N-C).

scientific article published on 27 June 2017

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

scientific article published on 01 July 2019

Evaluation and Analysis of PEM-FC Performance using Non-Platinum Cathode Catalysts based on Pyrolysed Fe- and Co-Porphyrins - Influence of a Secondary Heat-treatment

scientific article published on 17 November 2008

Experimental and theoretical modeling of Fe-, Co-, Cu-, Mn-based electrocatalysts for oxygen reduction

scientific article published in January 2008

Exploring Active Sites in Multi-Heteroatom-Doped Co-Based Catalysts for Hydrogen Evolution Reactions

scientific article published on 25 July 2018

Facilitating the acidic oxygen reduction of Fe–N–C catalysts by fluorine-doping

scientific article published in 2022

Fuel Cells, Non-Precious Metal Catalysts for Oxygen Reduction Reaction

scientific article published in 2014

High-performance fuel cell cathodes exclusively containing atomically dispersed iron active sites

scientific article published in 2019

Identification of the catalytically dominant iron environment in iron- and nitrogen-doped carbon catalysts for the oxygen reduction reaction

scientific article

Impact of Ir modification on the durability of FeNC catalysts under start-up and shutdown cycle conditions

scientific article published in 2022

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

scientific article published on 26 July 2020

Improved Platinum Electrocatalyst for the Oxygen Reduction Reaction Using Nitrogen-Modified Carbon Support

scientific article published on 4 October 2011

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

scientific article published in November 2021

Influence of the Metal Center in M–N–C Catalysts on the CO 2 Reduction Reaction on Gas Diffusion Electrodes

scientific article published on 28 April 2021

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

scientific article published on 28 June 2018

Investigation of the thermal removal steps of capping agents in the synthesis of bimetallic iridium-based catalysts for the ethanol oxidation reaction

scientific article published on 16 December 2020

Kinetic Diagnostics and Synthetic Design of Platinum Group Metal-Free Electrocatalysts for the Oxygen Reduction Reaction Using Reactivity Maps and Site Utilization Descriptors

scientific article

Metall-N-C-Katalysatoren in der Elektrokatalyse

scientific article published in November 2017

Multitechnique Characterization of a Polyaniline–Iron–Carbon Oxygen Reduction Catalyst

scientific article published on 19 July 2012

Nature of the Catalytic Centers of Porphyrin-Based Electrocatalysts for the ORR: A Correlation of Kinetic Current Density with the Site Density of Fe−N 4 Centers

scientific article published on 6 September 2008

New Insight into the Nature of Catalytic Activity of Pyrolysed Iron Porphyrin Based Electro-Catalysts for the Oxygen Reduction Reaction (ORR) in Acidic Media

scientific article published on 25 September 2009

Non Precious Catalysts for Fuel Cells - A Short Review on Mößbauer Spectroscopy of Fe-N-C Catalysts for ORR

scientific article published on 31 August 2013

Non-conventional synthesis and magnetic properties of MAX phases (Cr/Mn) 2 AlC and (Cr/Fe) 2 AlC

scientific article published in 2017

On an Easy Way To Prepare Metal-Nitrogen Doped Carbon with Exclusive Presence of MeN4-type Sites Active for the ORR.

scientific article published on 10 December 2015

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

scientific article published on 25 September 2009

On the role of hydroxide species in sulphur- and nitrogen-doped cobalt-based carbon catalysts for the oxygen evolution reaction

scientific article published in 2018

On the structural composition and stability of Fe–N–C catalysts prepared by an intermediate acid leaching

scientific article published on 28 October 2015

P-block single-metal-site tin/nitrogen-doped carbon fuel cell cathode catalyst for oxygen reduction reaction

scientific article published on 13 July 2020

Pitfalls in Heterogeneous Thermal, Electro‐ and Photocatalysis

scientific article published on 29 April 2019

Polymer Electrolyte Membrane Fuel Cells (PEM-FC) and Non-noble Metal Catalysts for Oxygen Reduction

scientific article published in 2012

Polymer Electrolyte Membrane Fuel Cells (PEM-FC) and Non-noble Metal Catalysts for Oxygen Reduction

scientific article published on 3 December 2012

Preparation and Structural Analysis of Heat Treated Co-and Fe-porphyrines as Cathode Catalysts for the Oxygen Reduction Reaction

scientific article published on 17 November 2008

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

scientific article published on 21 October 2015

Reply to the ‘Comment on “Non-PGM electrocatalysts for PEM fuel cells: effect of fluorination on the activity and stability of a highly active NC_Ar + NH 3 catalyst”’ by Xi Yin, Edward F. Holby and Piotr Zelenay, Energy Environ. Sci. , 10.103

scientific article published in 2021

Spectroscopic Analysis of Nanocarbon-Based non-precious Metal Catalyst for ORR

scientific article published on 25 September 2015

Spectroscopic discernibility of dopants and axial ligands in pyridinic FeN 4 environments relevant to single-atom catalysts

scientific article published in 2021

Structural, Magnetic and Catalytic Properties of a New Vacancy Ordered Perovskite Type Barium Cobaltate BaCoO

scientific article published on 7 July 2021

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

scientific article

Substituent effects in iron porphyrin catalysts for the hydrogen evolution reaction

scientific article

Surface site density and utilization of platinum group metal (PGM)-free Fe-NC and FeNi-NC electrocatalysts for the oxygen reduction reaction

scientific article published on 13 October 2020

Systematic study of precursor effects on structure and oxygen reduction reaction activity of FeNC catalysts

scientific article published on 13 September 2021

Tandem Nanostructures: A Prospective Platform for Photoelectrochemical Water Splitting

scientific article

The effect of temperature on ionic liquid modified Fe-N-C catalysts for alkaline oxygen reduction reaction

scientific article

Time‐Resolved Potential‐Induced Changes in Fe/N/C‐Catalysts Studied by In Situ Modulation Excitation X‐Ray Absorption Spectroscopy

scientific article

Unveiling N-protonation and anion-binding effects on Fe/N/C-catalysts for O2 reduction in PEM fuel cells.

scientific article

List of works by Ulrike I Kramm

57 Fe Mössbauer Spectroscopy Characterization of Electrocatalysts

57 Fe-Enrichment effect on the composition and performance of Fe-based O 2 -reduction electrocatalysts

A density functional theory study of catalytic sites for oxygen reduction in Fe/N/C catalysts used in H₂/O₂ fuel cells

A specific demetalation of Fe–N 4 catalytic sites in the micropores of NC_Ar + NH 3 is at the origin of the initial activity loss of the highly active Fe/N/C catalyst used for the reduction of oxygen in PEM fuel cells

Activity and degradation study of an Fe-N-C catalyst for ORR in Direct Methanol Fuel Cell (DMFC)

Activity, Selectivity and Initial Degradation of Iron Molybdate in the Oxidative Dehydrogenation of Ethanol

Adding a New Member to the MXene Family: Synthesis, Structure, and Electrocatalytic Activity for the Hydrogen Evolution Reaction of V 4 C 3 T x

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

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

Beyond the top of the volcano? – A unified approach to electrocatalytic oxygen reduction and oxygen evolution

Bimetallic porous porphyrin polymer-derived non-precious metal electrocatalysts for oxygen reduction reactions

Calibration of computational Mössbauer spectroscopy to unravel active sites in FeNC catalysts for the oxygen reduction reaction

Comparative Study of the Carbonisation of CoTMPP by Low Temperature Plasma and Heat Treatment

Conversion of a polysilazane‐modified cellulose‐based paper into a C/SiFe(N,C)O ceramic paper via thermal ammonolysis

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.

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

Deactivation, reactivation and super-activation of Fe-N/C oxygen reduction electrocatalysts: Gas sorption, physical and electrochemical investigation using NO and O2

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

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

Effect of iron-carbide formation on the number of active sites in Fe–N–C catalysts for the oxygen reduction reaction in acidic media

Elucidating the Origin of Hydrogen Evolution Reaction Activity in Mono- and Bimetallic Metal- and Nitrogen-Doped Carbon Catalysts (Me-N-C).

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

Evaluation and Analysis of PEM-FC Performance using Non-Platinum Cathode Catalysts based on Pyrolysed Fe- and Co-Porphyrins - Influence of a Secondary Heat-treatment

Experimental and theoretical modeling of Fe-, Co-, Cu-, Mn-based electrocatalysts for oxygen reduction

Exploring Active Sites in Multi-Heteroatom-Doped Co-Based Catalysts for Hydrogen Evolution Reactions

Facilitating the acidic oxygen reduction of Fe–N–C catalysts by fluorine-doping

Fuel Cells, Non-Precious Metal Catalysts for Oxygen Reduction Reaction

High-performance fuel cell cathodes exclusively containing atomically dispersed iron active sites

Identification of the catalytically dominant iron environment in iron- and nitrogen-doped carbon catalysts for the oxygen reduction reaction

Impact of Ir modification on the durability of FeNC catalysts under start-up and shutdown cycle conditions

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

Improved Platinum Electrocatalyst for the Oxygen Reduction Reaction Using Nitrogen-Modified Carbon Support

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

Influence of the Metal Center in M–N–C Catalysts on the CO 2 Reduction Reaction on Gas Diffusion Electrodes

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

Investigation of the thermal removal steps of capping agents in the synthesis of bimetallic iridium-based catalysts for the ethanol oxidation reaction

Kinetic Diagnostics and Synthetic Design of Platinum Group Metal-Free Electrocatalysts for the Oxygen Reduction Reaction Using Reactivity Maps and Site Utilization Descriptors

Metall-N-C-Katalysatoren in der Elektrokatalyse

Multitechnique Characterization of a Polyaniline–Iron–Carbon Oxygen Reduction Catalyst

Nature of the Catalytic Centers of Porphyrin-Based Electrocatalysts for the ORR: A Correlation of Kinetic Current Density with the Site Density of Fe−N 4 Centers

New Insight into the Nature of Catalytic Activity of Pyrolysed Iron Porphyrin Based Electro-Catalysts for the Oxygen Reduction Reaction (ORR) in Acidic Media

Non Precious Catalysts for Fuel Cells - A Short Review on Mößbauer Spectroscopy of Fe-N-C Catalysts for ORR

Non-conventional synthesis and magnetic properties of MAX phases (Cr/Mn) 2 AlC and (Cr/Fe) 2 AlC

On an Easy Way To Prepare Metal-Nitrogen Doped Carbon with Exclusive Presence of MeN4-type Sites Active for the ORR.

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

On the role of hydroxide species in sulphur- and nitrogen-doped cobalt-based carbon catalysts for the oxygen evolution reaction

On the structural composition and stability of Fe–N–C catalysts prepared by an intermediate acid leaching

P-block single-metal-site tin/nitrogen-doped carbon fuel cell cathode catalyst for oxygen reduction reaction

Pitfalls in Heterogeneous Thermal, Electro‐ and Photocatalysis

Polymer Electrolyte Membrane Fuel Cells (PEM-FC) and Non-noble Metal Catalysts for Oxygen Reduction

Polymer Electrolyte Membrane Fuel Cells (PEM-FC) and Non-noble Metal Catalysts for Oxygen Reduction

Preparation and Structural Analysis of Heat Treated Co-and Fe-porphyrines as Cathode Catalysts for the Oxygen Reduction Reaction

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

Reply to the ‘Comment on “Non-PGM electrocatalysts for PEM fuel cells: effect of fluorination on the activity and stability of a highly active NC_Ar + NH 3 catalyst”’ by Xi Yin, Edward F. Holby and Piotr Zelenay, Energy Environ. Sci. , 10.103

Spectroscopic Analysis of Nanocarbon-Based non-precious Metal Catalyst for ORR

Spectroscopic discernibility of dopants and axial ligands in pyridinic FeN 4 environments relevant to single-atom catalysts

Structural, Magnetic and Catalytic Properties of a New Vacancy Ordered Perovskite Type Barium Cobaltate BaCoO

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

Substituent effects in iron porphyrin catalysts for the hydrogen evolution reaction

Surface site density and utilization of platinum group metal (PGM)-free Fe-NC and FeNi-NC electrocatalysts for the oxygen reduction reaction

Systematic study of precursor effects on structure and oxygen reduction reaction activity of FeNC catalysts

Tandem Nanostructures: A Prospective Platform for Photoelectrochemical Water Splitting

The effect of temperature on ionic liquid modified Fe-N-C catalysts for alkaline oxygen reduction reaction

Time‐Resolved Potential‐Induced Changes in Fe/N/C‐Catalysts Studied by In Situ Modulation Excitation X‐Ray Absorption Spectroscopy

Unveiling N-protonation and anion-binding effects on Fe/N/C-catalysts for O2 reduction in PEM fuel cells.