Kramm

Publikationen von Prof. Dr. Ulrike Kramm

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Springe zu: 2018 | 2017 | 2016 | 2015
Anzahl der Einträge: 15.

2018

Tran, Minh Hai ; Schäfer, Timo ; Shahraei, Ali ; Dürrschnabel, Michael ; Molina-Luna, Leopoldo ; Kramm, Ulrike I. ; Birkel, Christina S. (2018):
Adding a New Member to the MXene Family: Synthesis, Structure and Electrocatalytic Activity for the Hydrogen Evolution Reaction of V4C3Tx.
In: ACS Applied Energy Materials, [Artikel]

Tran, Minh H. ; Schäfer, Timo ; Shahraei, Ali ; Dürrschnabel, Michael ; Molina-Luna, Leopoldo ; Kramm, Ulrike I. ; Birkel, Christina S. (2018):
Adding a New Member to the MXene Family: Synthesis, Structure, and Electrocatalytic Activity for the Hydrogen Evolution Reaction of V4C3Tx.
In: ACS Applied Energy Materials, ACS Publications, S. 3908-3914, 1, (8), ISSN 2574-0962,
DOI: 10.1021/acsaem.8b00652,
[Online-Edition: https://doi.org/10.1021/acsaem.8b00652],
[Artikel]

Leonard, Nathaniel D. ; Wagner, Stephan ; Luo, Fang ; Steinberg, Julian ; Ju, Wen ; Weidler, Natascha ; Wang, Huan ; Kramm, Ulrike I. ; Strasser, Peter (2018):
Deconvolution of Utilization, Site Density, and Turnover Frequency of Fe–Nitrogen–Carbon Oxygen Reduction Reaction Catalysts Prepared with Secondary N-Precursors.
In: ACS Catalysis, ACS Publications, S. 1640-1647, 8, (3), ISSN 2155-5435,
DOI: 10.1021/acscatal.7b02897,
[Online-Edition: https://doi.org/10.1021/acscatal.7b02897],
[Artikel]

Chenitz, Régis ; Kramm, Ulrike I. ; Lefèvre, Michel ; Glibin, Vassili ; Zhang, Gaixia ; Sun, Shuhui ; Dodelet, Jean-Pol (2018):
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.
In: Energy & Environmental Science, Royal Socity of Chemistry, S. 365-382, 11, (2), ISSN 1754-5692,
DOI: 10.1039/c7ee02302b,
[Online-Edition: https://doi.org/10.1039/c7ee02302b],
[Artikel]

Martinaiou, Ioanna ; Wolker, Thomas ; Shahraei, Ali ; Zhang, Gui-Rong ; Janßen, Arne ; Wagner, Stephan ; Weidler, Natascha ; Stark, Robert W. ; Etzold, Bastian J. M. ; Kramm, Ulrike I. (2018):
Improved electrochemical performance of Fe-N-C catalysts through ionic liquid modification in alkaline media.
In: Journal of Power Sources, Elsevier Science Publishing, S. 222-232, 375, ISSN 03787753,
DOI: 10.1016/j.jpowsour.2017.07.028,
[Online-Edition: https://doi.org/10.1016/j.jpowsour.2017.07.028],
[Artikel]

2017

Martinaiou, Ioanna ; Shahraei, Ali ; Grimm, Fabian ; Zhang, Hongbin ; Wittich, Carolin ; Klemenz, Sebastian ; Dolique, Stephanie J. ; Kleebe, Hans-Joachim ; Stark, Robert W. ; Kramm, Ulrike I. (2017):
Effect of metal species on the stability of Me-N-C catalysts during accelerated stress tests mimicking the start-up and shut-down conditions.
In: Electrochimica Acta, Elsevier Science Publishing, S. 183-196, 243, ISSN 00134686,
DOI: 10.1016/j.electacta.2017.04.134,
[Online-Edition: https://doi.org/10.1016/j.electacta.2017.04.134],
[Artikel]

Shahraei, Ali ; Moradabadi, Ashkan ; Martinaiou, Ioanna ; Lauterbach, Stefan ; Klemenz, Sebastian ; Dolique, Stephanie ; Kleebe, Hans-Joachim ; Kaghazchi, Payam ; Kramm, Ulrike I. (2017):
Elucidating the Origin of Hydrogen Evolution Reaction Activity in Mono- and Bimetallic Metal- and Nitrogen-Doped Carbon Catalysts (Me–N–C).
In: ACS Applied Materials & Interfaces, ACS Publications, S. 25184-25193, 9, (30), ISSN 1944-8244,
DOI: 10.1021/acsami.7b01647,
[Online-Edition: https://doi.org/10.1021/acsami.7b01647],
[Artikel]

Hamm, Christin M. ; Bocarsly, Joshua D. ; Seward, Gareth ; Kramm, Ulrike I. ; Birkel, Christina S. (2017):
Non-conventional synthesis and magnetic properties of MAX phases (Cr/Mn)2AlC and (Cr/Fe)2AlC.
In: Journal of Materials Chemistry C, Royal Society of Chemistry, S. 5700-5708, 5, (23), ISSN 2050-7526,
DOI: 10.1039/C7TC00112F,
[Online-Edition: https://doi.org/10.1039/C7TC00112F],
[Artikel]

2016

Busch, Michael ; Halck, Niels B. ; Kramm, Ulrike I. ; Siahrostami, Samira ; Krtil, Petr ; Rossmeisl, Jan (2016):
Beyond the top of the volcano? – A unified approach to electrocatalytic oxygen reduction and oxygen evolution.
In: Nano Energy, Elsevier Science Publishing, S. 126-135, 29, ISSN 22112855,
[Online-Edition: https://doi.org/10.1016/j.nanoen.2016.04.011],
[Artikel]

Kramm, Ulrike I. ; Herrmann-Geppert, Iris ; Behrends, Jan ; Lips, Klaus ; Fiechter, Sebastian ; Bogdanoff, Peter (2016):
On an Easy Way To Prepare Metal–Nitrogen Doped Carbon with Exclusive Presence of MeN4-type Sites Active for the ORR.
In: Journal of the American Chemical Society, American Chemical Society, S. 635-640, 138, (2), ISSN 0002-7863,
DOI: 10.1021/jacs.5b11015,
[Online-Edition: https://doi.org/10.1021/jacs.5b11015],
[Artikel]

Kramm, Ulrike I. ; Herrmann-Geppert, Iris ; Behrends, Jan ; Lips, Klaus ; Fiechter, Sebastian ; Bogdanoff, Peter (2016):
On an easy way to prepare Metal-Nitrogen doped Carbon with exclusive presence of MeN4-type sites active for the ORR.
In: Journal of the American Chemical Society, ACS Publications, ISSN 0002-7863,
[Online-Edition: http://dx.doi.org/10.1021/jacs.5b11015],
[Artikel]

2015

Brüller, Sebastian ; Liang, Hai-Wei ; Kramm, Ulrike I. ; Krumpfer, Joseph W. ; Feng, Xinliang ; Müllen, Klaus (2015):
Bimetallic porous porphyrin polymer-derived non-precious metal electrocatalysts for oxygen reduction reactions.
In: J. Mater. Chem. A, The Royal Societys of chemistry, S. 23799-23808, 3, (47), ISSN 2050-7488,
[Online-Edition: http://dx.doi.org/10.1039/C5TA06309D],
[Artikel]

Kramm, Ulrike I.
Feng, Xinliang (Hrsg.) (2015):
Spectroscopic Analysis of Nanocarbon-Based non-precious Metal Catalyst for ORR.
In: Nanocarbons for Advanced Energy Conversion, Weinheim, Germany, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany, S. 117-148, [Online-Edition: http://dx.doi.org/10.1002/9783527680016.ch5],
[Buchkapitel]

Sahraie, Nastaran Ranjbar ; Kramm, Ulrike I. ; Steinberg, Julian ; Zhang, Yuanjian ; Thomas, Arne ; Reier, Tobias ; Paraknowitsch, Jens-Peter ; Strasser, Peter (2015):
Quantifying the density and utilization of active sites in non-precious metal oxygen electroreduction catalysts.
In: Nature Communications, Nature Publishing Group, S. 8618, 6, ISSN 2041-1723,
[Online-Edition: http://dx.doi.org/10.1038/ncomms9618],
[Artikel]

Kramm, Ulrike I. ; Zana, Alessandro ; Vosch, Tom ; Fiechter, Sebastian ; Arenz, Matthias ; Schmeißer, Dieter (2015):
On the structural composition and stability of Fe–N–C catalysts prepared by an intermediate acid leaching.
In: Journal of Solid State Electrochemistry, Springer-Verlag Berlin Heidelberg, S. 1-13, ISSN 1432-8488,
[Online-Edition: http://dx.doi.org/10.1007/s10008-015-3060-z],
[Artikel]

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