Ulrike Kramm

Ulrike Kramm's AcademicInfluence.com Rankings

Ulrike Kramm

Chemistry

#5775

World Rank

#7001

Historical Rank

Organic Chemistry

#1052

World Rank

#1185

Historical Rank

chemistry Degrees

Download Badge

Chemistry

Why Is Ulrike Kramm Influential?

(Suggest an Edit or Addition)

According to Wikipedia, Ulrike I. Kramm is a German chemistry professor at Technische Universität Darmstadt. Her research considers the development and characterisation of metal catalysts for fuel cells, conversion and solar fuels.

(See a Problem?)

Ulrike Kramm's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Cross-laboratory experimental study of non-noble-metal electrocatalysts for the oxygen reduction reaction. (2009) (602)
Structure of the catalytic sites in Fe/N/C-catalysts for O2-reduction in PEM fuel cells. (2012) (566)
Quantifying the density and utilization of active sites in non-precious metal oxygen electroreduction catalysts (2015) (404)
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. (2014) (389)
On an Easy Way To Prepare Metal-Nitrogen Doped Carbon with Exclusive Presence of MeN4-type Sites Active for the ORR. (2016) (372)
Multitechnique Characterization of a Polyaniline–Iron–Carbon Oxygen Reduction Catalyst (2012) (348)
Unveiling N-protonation and anion-binding effects on Fe/N/C-catalysts for O2 reduction in PEM fuel cells. (2011) (246)
High-performance fuel cell cathodes exclusively containing atomically dispersed iron active sites (2019) (215)
Beyond the top of the volcano? - A unified approach to electrocatalytic oxygen reduction and oxygen evolution (2016) (210)
Influence of the Electron-Density of FeN4-Centers Towards the Catalytic Activity of Pyrolyzed FeTMPPCl-Based ORR-Electrocatalysts (2011) (163)
A specific demetalation of Fe–N4 catalytic sites in the micropores of NC_Ar + NH3 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 (2018) (159)
P-block single-metal-site tin/nitrogen-doped carbon fuel cell cathode catalyst for oxygen reduction reaction (2020) (150)
Influence of Sulfur on the Pyrolysis of CoTMPP as Electrocatalyst for the Oxygen Reduction Reaction (2009) (126)
Effect of an Ammonia Treatment on Structure, Composition, and Oxygen Reduction Reaction Activity of Fe–N–C Catalysts (2011) (123)
Adding a New Member to the MXene Family: Synthesis, Structure, and Electrocatalytic Activity for the Hydrogen Evolution Reaction of V4C3Tx (2018) (120)
A density functional theory study of catalytic sites for oxygen reduction in Fe/N/C catalysts used in H₂/O₂ fuel cells. (2014) (107)
Deconvolution of Utilization, Site Density, and Turn-Over-Frequency of Fe-Nitrogen-Carbon ORR Catalysts Prepared with Secondary N-Precursors (2017) (96)
Effect of iron-carbide formation on the number of active sites in Fe–N–C catalysts for the oxygen reduction reaction in acidic media (2014) (92)
Activity and degradation study of an Fe-N-C catalyst for ORR in Direct Methanol Fuel Cell (DMFC) (2020) (80)
Bimetallic porous porphyrin polymer-derived non-precious metal electrocatalysts for oxygen reduction reactions (2015) (79)
57Fe Mössbauer Spectroscopy Characterization of Electrocatalysts (2019) (73)
Oxalate supported pyrolysis of CoTMPP as electrocatalysts for the oxygen reduction reaction (2009) (72)
Analyzing Structural Changes of Fe-N-C Cathode Catalysts in PEM Fuel Cell by Mößbauer Spectroscopy of Complete Membrane Electrode Assemblies. (2014) (72)
Elucidating the structural composition of a Fe-N-C catalyst by nuclear and electron resonance techniques. (2019) (68)
Effect of metal species on the stability of Me-N-C catalysts during accelerated stress tests mimicking the start-up and shut-down conditions (2017) (52)
Improved electrochemical performance of Fe-N-C catalysts through ionic liquid modification in alkaline media (2018) (42)
On the structural composition and stability of Fe–N–C catalysts prepared by an intermediate acid leaching (2016) (36)
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 (2009) (35)
Non-conventional synthesis and magnetic properties of MAX phases (Cr/Mn)2AlC and (Cr/Fe)2AlC (2017) (32)
Pitfalls in Heterogeneous Thermal, Electro‐ and Photocatalysis (2019) (31)
Comparative Study of the Carbonisation of CoTMPP by Low Temperature Plasma and Heat Treatment (2010) (28)
Influence of the Metal Center in M–N–C Catalysts on the CO2 Reduction Reaction on Gas Diffusion Electrodes (2021) (27)
Spectroscopic characterization of Cobalt–Phthalocyanine electrocatalysts for fuel cell applications (2012) (26)
Active Site Identification in FeNC Catalysts and Their Assignment to the Oxygen Reduction Reaction Pathway by In Situ 57 Fe Mössbauer Spectroscopy (2021) (25)
Elucidating the Origin of Hydrogen Evolution Reaction Activity in Mono- and Bimetallic Metal- and Nitrogen-Doped Carbon Catalysts (Me-N-C). (2017) (21)
Potential-induced spin changes in Fe/N/C electrocatalysts assessed by in situ X-ray emission spectroscopy. (2021) (19)
Deactivation, reactivation and super-activation of Fe-N/C oxygen reduction electrocatalysts: gas sorption, physical and electrochemical investigation using NO and O2 (2021) (16)
New Insight into the Nature of Catalytic Activity of Pyrolysed Iron Porphyrin Based Electro-Catalysts for the Oxygen Reduction Reaction (ORR) in Acidic Media (2009) (15)
Surface site density and utilization of platinum group metal (PGM)-free Fe–NC and FeNi–NC electrocatalysts for the oxygen reduction reaction (2020) (14)
Time‐Resolved Potential‐Induced Changes in Fe/N/C‐Catalysts Studied by In Situ Modulation Excitation X‐Ray Absorption Spectroscopy (2022) (13)
Elucidating the Structural Composition of an Fe–N–C Catalyst by Nuclear‐ and Electron‐Resonance Techniques (2019) (13)
Influence of sulfur in the precursor mixture on the structural composition of Fe-N-C catalysts (2018) (13)
Exploring Active Sites in Multi-Heteroatom-Doped Co-Based Catalysts for Hydrogen Evolution Reactions. (2018) (12)
Impact of Surface Functionalization on the Intrinsic Properties of the Resulting Fe–N–C Catalysts for Fuel Cell Applications (2020) (11)
Calibration of computational Mössbauer spectroscopy to unravel active sites in FeNC catalysts for the oxygen reduction reaction (2020) (11)
On the role of hydroxide species in sulphur- and nitrogen-doped cobalt-based carbon catalysts for the oxygen evolution reaction (2018) (10)
Synthesis of bifunctional BaFe1−xCoxO3−y−δ(OH)y catalysts for the oxygen reduction reaction and oxygen evolution reaction (2020) (10)
Facilitating the acidic oxygen reduction of Fe-N-C catalysts by fluorine-doping. (2021) (9)
Polymer Electrolyte Membrane Fuel Cells (PEM-FC) and Non-noble Metal Catalysts for Oxygen Reduction (2013) (7)
In situ 57Fe mössbauer study of a porphyrin based FeNC catalyst for ORR (2021) (7)
Influence of the Structure-Forming Agent on the Performance of Fe-N-C Catalysts (2018) (6)
Application of Non‐Precious Bifunctional Catalysts for Metal‐Air Batteries (2021) (6)
Investigation of the thermal removal steps of capping agents in the synthesis of bimetallic iridium-based catalysts for the ethanol oxidation reaction. (2020) (6)
On the effect of sulfite ions on the structural composition and ORR activity of Fe-N-C catalysts (2018) (6)
Improved Platinum Electrocatalyst for the Oxygen Reduction Reaction Using Nitrogen-Modified Carbon Support (2011) (5)
Identification of the Catalytically Dominant Iron Environment in Iron- and Nitrogen-Doped Carbon Catalysts for the Oxygen Reduction Reaction. (2022) (5)
The effect of temperature on ionic liquid modified Fe-N-C catalysts for alkaline oxygen reduction reaction (2021) (5)
Kinetic Diagnostics and Synthetic Design of Platinum Group Metal-Free Electrocatalysts for the Oxygen Reduction Reaction Using Reactivity Maps and Site Utilization Descriptors. (2022) (5)
Structural, Magnetic and Catalytic Properties of a New Vacancy Ordered Perovskite Type Barium Cobaltate BaCoO2.67 (2021) (5)
Efficient Oxygen Evolution Electrocatalyst by Incorporation of Nickel into Nanoscale Dicobalt Boride (2021) (4)
Spectroscopic discernibility of dopants and axial ligands in pyridinic FeN4 environments relevant to single-atom catalysts. (2020) (4)
Die strukturelle Einbindung des Eisens in pyrolysierten Eisenporphyrin-Elektrokatalysatoren – eine Fe-57 mößbauerspektroskopische Studie (2009) (3)
Relation between half‐cell and fuel cell activity and stability of FeNC catalysts for the oxygen reduction reaction (2022) (3)
Potential‐Induced Spin Changes in Fe/N/C Electrocatalysts Assessed by In Situ X‐ray Emission Spectroscopy (2021) (3)
57Fe-Enrichment effect on the composition and performance of Fe-based O2-reduction electrocatalysts. (2021) (3)
Non Precious Catalysts for Fuel Cells - A Short Review on Mößbauer Spectroscopy of Fe-N-C Catalysts for ORR (2013) (2)
Activity, Selectivity and Initial Degradation of Iron Molybdate in the Oxidative Dehydrogenation of Ethanol (2021) (2)
Impact of Ir modification on the durability of FeNC catalysts under start-up and shutdown cycle conditions (2021) (2)
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 + NH3 catalyst”’ by Xi Yin, Edward F. Holby and Piotr Zelenay, Energy Environ. Sci., 10.1039/D0EE02069A (2021) (2)
Conversion of a polysilazane-modified cellulose-based paper into a C/SiFe(N,C)O ceramic paper via thermal ammonolysis (2021) (2)
Fe–N–C Electrocatalyst and Its Electrode: Are We Talking about the Same Material? (2023) (1)
Substituent Effects in Iron Porphyrin Catalysts for the Hydrogen Evolution Reaction. (2022) (1)
Fe-N-C Catalysts for Oxygen Reduction Reaction: A Computational Analysis of Electronic Structure and Spectroscopic Properties (2021) (1)
Non Precious Catalysts for Fuel Cells (2013) (0)
Influence of the addition of nanoparticles on the oxygen reduction reaction characteristics of FeNC catalysts and the impact on the stability (2023) (0)
Tandem Nanostructures: A Prospective Platform for Photoelectrochemical Water Splitting (2022) (0)
The effect of sulphur doping in the formation of active sites in Fe-N-C catalysts for DMFC cathodes (2018) (0)
On the Influence of Sulfur on the Pyrolysis Process of Porphyrin-Based Electrocatalysts with Respect to Oxygen Reduction Reaction in Acidic Media (2009) (0)
(Invited Plenary) Improving the Catalytic Properties of Non-Precious Metal Catalysts - Milestones in the Development of Me-N-C Catalysts (2016) (0)
Influence of sulfur in the precursor mixture on the structural composition of Fe-N-C catalysts (2018) (0)
Investigation of the Influence of Selected Operating Modes on the Long-Term Stability of Electrocatalysts in the PEM Fuel Cell (2022) (0)
Effect of Metal Layer Support Structures on the Catalytic Activity of NiFe(oxy)hydroxide (LDH) for the OER in Alkaline Media (2023) (0)
Influence of the Structure Forming Agent on the Performance of Fe-N-C Catalysts (2018) (0)
Author Correction: P-block single-metal-site tin/nitrogen-doped carbon fuel cell cathode catalyst for oxygen reduction reaction. (2022) (0)
Effect of rf-Plasma Treatment on the Activity and Selectivity of Me-N-C Electrocatalysts for the Oxygen Reduction Reaction (2017) (0)
Spectroscopic Analysis of Nanocarbon‐Based non‐precious Metal Catalyst for ORR (2015) (0)
Influence of the preparation route on the structural composition of Fe-NC catalysts for the oxygen reduction reaction (2013) (0)
Operando 57 Fe Mössbauer Spectroscopy of Fe-N-C Catalysts during Oxygen Reduction Reaction (2022) (0)
porphyrin polymer-derived non-precious metal electrocatalysts for oxygen reduction reactions † (2015) (0)
Oxygen Reduction Reaction on Fe-N-C Catalysts: A Computational Spectroscopy Study (2022) (0)
GDE vs RDE: Impact of operation conditions on intrinsic catalytic parameters of FeNC catalyst for the oxygen reduction reaction (2023) (0)
Shedding Light on the Electronic Structure and Local Configuration of Fe/N/C Active Sites – an in Situ X-Ray Absorption Spectroscopy Study (2020) (0)
(Invited) Electroreduction of CO2 (CO2RR) on Pyrolysed Transition Metal Porphyrins (2020) (0)
Post-Mortem Analysis of MNC Catalysts at Different Stages of CO2 Reduction Reaction (2021) (0)
Calibration of Computational Mössbauer Spectroscopy to Unravel Active Sites in FeNC-Catalysts for the Oxygen Reduction Reaction (2020) (0)
Influence of Fe Content in the Bifunctional Activity of LaFexCo1-XO3-δ Perovskite Catalysts for Zinc Air Batteries and Reversible Fuel Cells (2022) (0)
Is the Degradation of Fe-N-C Catalysts in Proton Exchange Fuel Cells Caused By Hydrogen Peroxide Formation? (2021) (0)
Tuning the Selectivity of Fenc Catalysts by Nanoparticle Addition and How this Impacts the Oxygen Reduction Reaction Activity and Stability (2022) (0)
Simple Polypyrrole Based Preparation for Fe-N-C Catalysts for the Oxygen Reduction Reaction (2021) (0)
On the effect of sulfite ions on the structural composition and ORR activity of Fe-N-C catalysts (2018) (0)
Hierarchically Porous Carbons with Highly Curved Surfaces for Hosting Single Metal FeN4 Sites as Outstanding Oxygen Reduction Catalysts. (2023) (0)
Correlating Site Density and Catalytic Activity for Non-Precious ORR Electrocatalysts (2015) (0)
Systematic study of precursor effects on structure and oxygen reduction reaction activity of FeNC catalysts (2021) (0)
Metall-N-C-Katalysatoren in der Elektrokatalyse (2017) (0)
(Invited) Decoupling the Contributions of Different Instability Mechanisms to the Fuel Cell Performance Decay of Fe-Based O2-Reduction Catalysts (2022) (0)
Supporting Information Analyzing Structural Changes of Fe-N-C Cathode Catalysts in PEM Fuel Cell by Mößbauer Spectroscopy of Complete Membrane-Electrode-Assemblies (2014) (0)
Reduction Reaction (ORR) in Acidic Media Iron Porphyrin Based Electro-Catalysts for the Oxygen New Insight into the Nature of Catalytic Activity of Pyrolysed (2012) (0)
Structural Aspects of Materials in Optimization of Fuel Cell Electrodes. (2022) (0)

This paper list is powered by the following services:

Other Resources About Ulrike Kramm

en.wikipedia.org

What Schools Are Affiliated With Ulrike Kramm?

Ulrike Kramm is affiliated with the following schools:

Technische Universität Darmstadt
University of Stuttgart
Dalhousie University
Technical University of Munich
University of Bonn