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Lehrstuhl für Werkstoffverfahrenstechnik

Prof. Dr.-Ing. Christina Roth

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Publikationen

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2021

Maleki, Mahboubeh; Tichter, Tim; El‐Nagar, Gumaa A.; Lauermann, Iver; Roth, Christina
Hybrid Electrospun Nanofibers as Electrocatalyst for Vanadium Redox Flow Batteries : Theory and ...
In: ChemElectroChem Bd. 8 (2021) Heft 1. - S. 218-226
doi:10.1002/celc.202001380 ...

Schutjajew, Konstantin; Tichter, Tim; Schneider, Jonathan; Antonietti, Markus; Roth, Christina; Oschatz, Martin
Insights into the sodiation mechanism of hard carbon-like materials from electrochemical impeda ...
In: Physical Chemistry Chemical Physics (2021)
doi:10.1039/D1CP00610J ...

Khadke, Prashant; Tichter, Tim; Boettcher, Tim; Muench, Falk; Ensinger, Wolfgang; Roth, Christina
A simple and effective method for the accurate extraction of kinetic parameters using different ...
In: Scientific Reports Bd. 11 (2021) Heft 1
doi:10.1038/s41598-021-87951-z ...

2020

Fink, Michael F.; Eckhardt, Julia; Khadke, Prashant; Gerdes, Thorsten; Roth, Christina
Bifunctional α‐MnO₂ and Co₃O₄ Catalyst for Oxygen Electrocatalysis in Alkaline Solution ...
In: ChemElectroChem Bd. 7 (2020) Heft 23. - S. 4822-4836
doi:10.15495/EPub_UBT_00005277 ...

Schneider, Jonathan; Tichter, Tim; Khadke, Prashant; Zeis, Roswitha; Roth, Christina
Deconvolution of electrochemical impedance data for the monitoring of electrode degradation in ...
In: Electrochimica Acta Bd. 336 (2020)
doi:10.1016/j.electacta.2019.135510 ...

Maleki, Mahboubeh; El-Nagar, Gumaa A.; Bernsmeier, Denis; Schneider, Jonathan; Roth, Christina
Fabrication of an efficient vanadium redox flow battery electrode using a free-standing carbon- ...
In: Scientific Reports Bd. 10 (2020) Heft 1
doi:10.1038/s41598-020-67906-6 ...

Abouserie, Ahed; El-Nagar, Gumaa A.; Heyne, Benjamin; Günter, Christina; Schilde, Uwe; Mayer, Matthew T.; Stojkovikj, Sasho; Roth, Christina; Taubert, Andreas
Facile Synthesis of Hierarchical CuS and CuCo₂S₄ Structures from an Ionic Liquid Precursor for ...
In: ACS Applied Materials & Interfaces Bd. 12 (2020) Heft 47. - S. 52560-52570
doi:10.1021/acsami.0c13927 ...

Tichter, Tim; Schneider, Jonathan; Roth, Christina
Finite Heterogeneous Rate Constants for the Electrochemical Oxidation of VO²⁺ at Glassy Carbon ...
In: Frontiers in Energy Research Bd. 8 (2020)
doi:10.3389/fenrg.2020.00155 ...

Gebhard, Marcus; Tichter, Tim; Franzen, David; Paulisch, Melanie C.; Schutjajew, Konstantin; Turek, Thomas; Manke, Ingo; Roth, Christina
Improvement of Oxygen-Depolarized Cathodes in Highly Alkaline Media by Electrospinning of Poly( ...
In: ChemElectroChem Bd. 7 (2020) Heft 3. - S. 830-837
doi:10.1002/celc.201902115 ...

Schnucklake, Maike; Kaßner, Lysann; Mehring, Michael; Roth, Christina
Porous carbon–carbon composite electrodes for vanadium redox flow batteries synthesized by twin ...
In: RSC Advances Bd. 10 (2020) Heft 68. - S. 41926-41935
doi:10.1039/d0ra07741k ...

Delikaya, Öznur; Bevilacqua, Nico; Eifert, László; Kunz, Ulrike; Zeis, Roswitha; Roth, Christina
Porous electrospun carbon nanofibers network as an integrated electrode@gas diffusion layer for ...
In: Electrochimica Acta Bd. 345 (2020)
doi:10.1016/j.electacta.2020.136192 ...

Tichter, Tim; Andrae, Dirk; Schneider, Jonathan; Gebhard, Marcus; Hilger, André; Manke, Ingo; Roth, Christina
Real-space simulation of cyclic voltammetry in carbon felt electrodes by combining micro X-ray ...
In: Electrochimica Acta Bd. 353 (2020)
doi:10.1016/j.electacta.2020.136487 ...

Tichter, Tim; Schneider, Jonathan; Nguyen Viet, Duc; Diaz Duque, Alvaro; Roth, Christina
Rotating ring-disc electrode measurements for the quantitative electrokinetic investigation of ...
In: Journal of Electroanalytical Chemistry Bd. 859 (2020)
doi:10.1016/j.jelechem.2020.113843 ...

Tichter, Tim; Schneider, Jonathan; Andrae, Dirk; Gebhard, Marcus; Roth, Christina
Universal Algorithm for Simulating and Evaluating Cyclic Voltammetry at Macroporous Electrodes ...
In: ChemPhysChem Bd. 21 (2020) Heft 5. - S. 428-441
doi:10.1002/cphc.201901113 ...

Gebhard, Marcus; Schnucklake, Maike; Hilger, André; Röhe, Maximilian; Osenberg, Markus; Krewer, Ulrike; Manke, Ingo; Roth, Christina
X‐Ray‐Computed Radiography and Tomography Study of Electrolyte Invasion and Distribution inside ...
In: Energy Technology Bd. 8 (2020) Heft 3
doi:10.1002/ente.201901214 ...

2019

Fetyan, Abdulmonem; El-Nagar, Gumaa A.; Lauermann, Iver; Schnucklake, Maike; Schneider, Jonathan; Roth, Christina
Detrimental role of hydrogen evolution and its temperature-dependent impact on the performance ...
In: Journal of Energy Chemistry Bd. 32 (2019) . - S. 57-62
doi:10.1016/j.jechem.2018.06.010 ...

Akhmetova, Irina; Beyer, Sebastian; Schutjajew, Konstantin; Tichter, Tim; Wilke, Manuel; Prinz, Carsten; Martins, Inês C. B.; Al-Sabbagh, Dominik; Roth, Christina; Emmerling, Franziska
Cadmium benzylphosphonates : the close relationship between structure and properties
In: CrystEngComm Bd. 21 (2019) Heft 39. - S. 5958-5964
doi:10.1039/c9ce00776h ...

Fetyan, Abdulmonem; Schneider, Jonathan; Schnucklake, Maike; El-Nagar, Gumaa A.; Banerjee, Rupak; Bevilacqua, Nico; Zeis, Roswitha; Roth, Christina
Comparison of Electrospun Carbon−Carbon Composite and Commercial Felt for Their Activity and El ...
In: ChemElectroChem Bd. 6 (2019) Heft 1. - S. 130-135
doi:10.1002/celc.201801128 ...

Muench, Falk; El-Nagar, Gumaa A.; Tichter, Tim; Zintler, Alexander; Kunz, Ulrike; Molina-Luna, Leopoldo; Sikolenko, Vadim; Pasquini, Chiara; Lauermann, Iver; Roth, Christina
Conformal Solution Deposition of Pt-Pd Titania Nanocomposite Coatings for Light-Assisted Formic ...
In: ACS Applied Materials & Interfaces Bd. 11 (2019) Heft 46. - S. 43081-43092
doi:10.1021/acsami.9b12783 ...

Schneider, Jonathan; Bulczak, Eduard; El-Nagar, Gumaa A.; Gebhard, Marcus; Kubella, Paul; Schnucklake, Maike; Fetyan, Abdulmonem; Derr, Igor; Roth, Christina
Degradation Phenomena of Bismuth-Modified Felt Electrodes in VRFB Studied by Electrochemical Im ...
In: Batteries Bd. 5 (2019) Heft 1. - S. 16
doi:10.3390/batteries5010016 ...

Gebhard, Marcus; Paulisch, Melanie; Hilger, André; Franzen, David; Ellendorff, Barbara; Turek, Thomas; Manke, Ingo; Roth, Christina
Design of an In-Operando Cell for X-Ray and Neutron Imaging of Oxygen-Depolarized Cathodes in C ...
In: Materials Bd. 12 (2019) Heft 8. - S. 1275
doi:10.3390/ma12081275 ...

Schutjajew, Konstantin; Yan, Runyu; Antonietti, Markus; Roth, Christina; Oschatz, Martin
Effects of Carbon Pore Size on the Contribution of Ionic Liquid Electrolyte Phase Transitions t ...
In: Frontiers in Materials Bd. 6 (2019)
doi:10.3389/fmats.2019.00065 ...

Kottakkat, Tintula; Klingan, Katharina; Jiang, Shan; Jovanov, Zarko P.; Davies, Veronica H.; El-Nagar, Gumaa A. M.; Dau, Holger; Roth, Christina
Electrodeposited AgCu Foam Catalysts for Enhanced Reduction of CO₂ to CO
In: ACS Applied Materials & Interfaces Bd. 11 (2019) Heft 16. - S. 14734-14744
doi:10.1021/acsami.8b22071 ...

Wächtler, Maria; González, Leticia; Dietzek, Benjamin; Turchanin, Andrey; Roth, Christina
Functional materials : making the world go round
In: Physical Chemistry Chemical Physics Bd. 21 (2019) Heft 18. - S. 8988-8991
doi:10.1039/c9cp90120e ...

Paulisch, Melanie Cornelia; Gebhard, Marcus; Franzen, David; Hilger, André; Osenberg, Markus; Kardjilov, Nikolay; Ellendorff, Barbara; Turek, Thomas; Roth, Christina; Manke, Ingo
Operando Laboratory X-Ray Imaging of Silver-Based Gas Diffusion Electrodes during Oxygen Reduct ...
In: Materials Bd. 12 (2019) Heft 17. - S. 2686
doi:10.3390/ma12172686 ...

Delikaya, Öznur; Zeyat, Mohammad; Lentz, Dieter; Roth, Christina
Organic Additives to Improve Catalyst Performance for High‐Temperature Polymer Electrolyte Memb ...
In: ChemElectroChem Bd. 6 (2019) Heft 15. - S. 3892-3900
doi:10.1002/celc.201900251 ...

El-Nagar, Gumaa A.; Delikaya, Öznur; Lauermann, Iver; Roth, Christina
Platinum Nanostructure Tailoring for Fuel Cell Applications Using Levitated Water Droplets as G ...
In: ACS Applied Materials & Interfaces Bd. 11 (2019) Heft 25. - S. 22398-22407
doi:10.1021/acsami.9b05156 ...

Schnucklake, Maike; Eifert, László; Schneider, Jonathan; Zeis, Roswitha; Roth, Christina
Porous N- and S-doped carbon–carbon composite electrodes by soft-templating for redox flow batt ...
In: Beilstein Journal of Nanotechnology Bd. 10 (2019) . - S. 1131-1139
doi:10.3762/bjnano.10.113 ...

Sarhan, Radwan M.; El-Nagar, Gumaa A.; Abouserie, Ahed; Roth, Christina
Silver–Iron Hierarchical Microflowers for Highly Efficient H₂O₂ Nonenzymatic Amperometric Detec ...
In: ACS Sustainable Chemistry & Engineering Bd. 7 (2019) Heft 4. - S. 4335-4342
doi:10.1021/acssuschemeng.8b06182 ...

Dixon, D.; Schoekel, A.; Roth, Christina
Spatially resolved quantification of ruthenium oxide phase in a direct methanol fuel cell opera ...
In: Electrochimica Acta Bd. 298 (2019) . - S. 52-58
doi:10.1016/j.electacta.2018.12.073 ...

El-Nagar, Gumaa A.; Muench, Falk; Roth, Christina
Tailored dendritic platinum nanostructures as a robust and efficient direct formic acid fuel ce ...
In: New Journal of Chemistry Bd. 43 (2019) Heft 10. - S. 4100-4105
doi:10.1039/c8nj06172f ...

Tichter, Tim; Andrae, Dirk; Mayer, Jacob; Schneider, Jonathan; Gebhard, Marcus; Roth, Christina
Theory of cyclic voltammetry in random arrays of cylindrical microelectrodes applied to carbon ...
In: Physical Chemistry Chemical Physics Bd. 21 (2019) Heft 18. - S. 9061-9068
doi:10.1039/C9CP00548J ...

2018

Kayarkatte, Manoj Krishna; Delikaya, Öznur; Roth, Christina
Polyacrylic acid-Nafion composites as stable catalyst support in PEM fuel cell electrodes
In: Materials Today : Communications Bd. 16 (2018) . - S. 8-13
doi:10.1016/j.mtcomm.2018.02.003 ...

Melke, Julia; Dixon, Ditty; Riekehr, Lars; Benker, Nathalie; Langner, Joachim; Lentz, Claudia; Sezen, Hikmet; Nefedov, Alexei; Wöll, Christof; Ehrenberg, Helmut; Roth, Christina
Surfactant modified platinum based fuel cell cathode studied by X-ray absorption spectroscopy
In: Journal of Catalysis Bd. 364 (2018) . - S. 282-290
doi:10.1016/j.jcat.2018.05.024 ...

Fetyan, Abdulmonem; El-Nagar, Gumaa A.; Derr, Igor; Kubella, Paul; Dau, Holger; Roth, Christina
A neodymium oxide nanoparticle-doped carbon felt as promising electrode for vanadium redox flow ...
In: Electrochimica Acta Bd. 268 (2018) . - S. 59-65
doi:10.1016/j.electacta.2018.02.104 ...

Bachtin, Krystyna; Kramer, Dominik; Chakravadhanula, V. S. Kiran; Mu, Xiaoke; Trouillet, Vanessa; Kaus, Maximilian; Indris, Sylvio; Ehrenberg, Helmut; Roth, Christina
Activation and degradation of electrospun LiFePO₄ battery cathodes
In: Journal of Power Sources Bd. 396 (2018) . - S. 386-394
doi:10.1016/j.jpowsour.2018.06.051 ...

Cheng, Chong; Li, Shuang; Xia, Yi; Ma, Lang; Nie, Chuanxiong; Roth, Christina; Thomas, Arne; Haag, Rainer
Atomic Fe-Nₓ Coupled Open-Mesoporous Carbon Nanofibers for Efficient and Bioadaptable Oxygen El ...
In: Advanced Materials Bd. 30 (2018) Heft 40
doi:10.1002/adma.201802669 ...

El-Nagar, Gumaa A.; Lauermann, Iver; Sarhan, Radwan M.; Roth, Christina
Hierarchically structured iron-doped silver (Ag–Fe) lotus flowers for an efficient oxygen reduc ...
In: Nanoscale Bd. 10 (2018) Heft 15. - S. 7304-7310
doi:10.1039/C8NR00020D ...

Klingan, Katharina; Kottakkat, Tintula; Jovanov, Zarko P.; Jiang, Shan; Pasquini, Chiara; Scholten, Fabian; Kubella, Paul; Bergmann, Arno; Roldan Cuenya, Beatriz; Roth, Christina; Dau, Holger
Reactivity Determinants in Electrodeposited Cu Foams for Electrochemical CO2 Reduction
In: ChemSusChem Bd. 11 (2018) Heft 19. - S. 3449-3459
doi:10.1002/cssc.201801582 ...

Akhmetova, Irina; Schutjajew, Konstantin; Wilke, Manuel; Buzanich, Ana; Rademann, Klaus; Roth, Christina; Emmerling, Franziska
Synthesis, characterization and in situ monitoring of the mechanochemical reaction process of t ...
In: Journal of Materials Science Bd. 53 (2018) Heft 19. - S. 13390-13399
doi:10.1007/s10853-018-2608-6 ...

2017

El-Nagar, Gumaa A.; Derr, Igor; Kottakkat, Tintula; Roth, Christina
Auspicious Metal-Doped-Cu2O/Cu Dendrite (M=Ni, Co, Fe) Catalysts for Direct Alkaline Fuel Cells ...
In: ECS Transactions Bd. 80 (2017) Heft 8. - S. 1013-1022
doi:10.1149/08008.1013ecst ...

Lentz, Claudia; Jand, Sara Panahian; Melke, Julia; Roth, Christina; Kaghazchi, Payam
DRIFTS study of CO adsorption on Pt nanoparticles supported by DFT calculations
In: Journal of Molecular Catalysis A: Chemical Bd. 426 (2017) . - S. 1-9
doi:10.1016/j.molcata.2016.10.002 ...

El-Nagar, Gumaa A.; Sarhan, Radwan M.; Abouserie, Ahed; Maticiuc, Natalia; Bargheer, Matias; Lauermann, Iver; Roth, Christina
Efficient 3D-Silver Flower-like Microstructures for Non-Enzymatic Hydrogen Peroxide (H₂O₂) Ampe ...
In: Scientific Reports Bd. 7 (2017) Heft 1
doi:10.1038/s41598-017-11965-9 ...

El-Nagar, Gumaa A.; Hassan, Mohamed A.; Lauermann, Iver; Roth, Christina
Efficient Direct Formic Acid Fuel Cells (DFAFCs) Anode Derived from Seafood waste : Migration M ...
In: Scientific Reports Bd. 7 (2017) Heft 1
doi:10.1038/s41598-017-17978-8 ...

Derr, Igor; Fetyan, Abdulmonem; Schutjajew, Konstantin; Roth, Christina
Electrochemical analysis of the performance loss in all vanadium redox flow batteries using dif ...
In: Electrochimica Acta Bd. 224 (2017) . - S. 9-16
doi:10.1016/j.electacta.2016.12.043 ...

Derr, Igor; Przyrembel, Daniel; Schweer, Jakob; Fetyan, Abdulmonem; Langner, Joachim; Melke, Julia; Weinelt, Martin; Roth, Christina
Electroless chemical aging of carbon felt electrodes for the all-vanadium redox flow battery (V ...
In: Electrochimica Acta Bd. 246 (2017) . - S. 783-793
doi:10.1016/j.electacta.2017.06.050 ...

El-Nagar, Gumaa A.; Roth, Christina
Enhanced electrooxidation of glucose at nano-chitosan–NiOOH modified GC electrode : fuel blends ...
In: Physical Chemistry Chemical Physics Bd. 19 (2017) Heft 3. - S. 2537-2548
doi:10.1039/C6CP08360A ...

Muench, Falk; Sun, Luwan; Kottakkat, Tintula; Antoni, Markus; Schaefer, Sandra; Kunz, Ulrike; Molina-Luna, Leopoldo; Duerrschnabel, Michael; Kleebe, Hans-Joachim; Ayata, Sevda; Roth, Christina; Ensinger, Wolfgang
Free-Standing Networks of Core-Shell Metal and Metal Oxide Nanotubes for Glucose Sensing
In: ACS Applied Materials & Interfaces Bd. 9 (2017) Heft 1. - S. 771-781
doi:10.1021/acsami.6b13979 ...

Kayarkatte, Manoj Krishna; Delikaya, Öznur; Roth, Christina
Freestanding Catalyst Layers : A Novel Electrode Fabrication Technique for PEM Fuel Cells via E ...
In: ChemElectroChem Bd. 4 (2017) Heft 2. - S. 404-411
doi:10.1002/celc.201600530 ...

El-Nagar, Gumaa A.; Hassan, Mohamed A.; Fetyan, Abdulmonem; Kayarkatte, Manoj Krishna; Lauermann, Iver; Roth, Christina
A promising N-doped carbon-metal oxide hybrid electrocatalyst derived from crustacean's shells ...
In: Applied Catalysis B: Environmental Bd. 214 (2017) . - S. 137-147
doi:10.1016/j.apcatb.2017.05.030 ...

Schnucklake, Maike; Kuecken, Sophie; Fetyan, Abdulmonem; Schmidt, Johannes; Thomas, Arne; Roth, Christina
Salt-templated porous carbon–carbon composite electrodes for application in vanadium redox flow ...
In: Journal of Materials Chemistry A Bd. 5 (2017) Heft 48. - S. 25193-25199
doi:10.1039/C7TA07759A ...

2014

Langner, Joachim; Melke, Julia; Ehrenberg, Helmut; Roth, Christina
Determination of Overpotentials in All Vanadium Redox Flow Batteries
In: ECS Transactions Bd. 58 (2014) Heft 37. - S. 1-7
doi:10.1149/05837.0001ecst ...

Ramaker, D. E.; Korovina, A.; Croze, V.; Melke, J.; Roth, Christina
Following ORR intermediates adsorbed on a Pt cathode catalyst during break-in of a PEM fuel cel ...
In: Physical Chemistry Chemical Physics Bd. 16 (2014) Heft 27. - S. 13645-13653
doi:10.1039/C4CP00192C ...

Peter, B.; Melke, J.; Muench, F.; Ensinger, W.; Roth, Christina
Stable platinum nanostructures on nitrogen-doped carbon obtained by high-temperature synthesis ...
In: Journal of Applied Electrochemistry Bd. 44 (2014) Heft 5. - S. 573-580
doi:10.1007/s10800-014-0664-4 ...

2013

Kaserer, Sebastian; Caldwell, Keegan M.; Ramaker, David E.; Roth, Christina
Analyzing the Influence of H3PO4 as Catalyst Poison in High Temperature PEM Fuel Cells Using in ...
In: The Journal of Physical Chemistry C Bd. 117 (2013) Heft 12. - S. 6210-6217
doi:10.1021/jp311924q ...

Kaserer, Sebastian; Rakousky, Christoph; Melke, Julia; Roth, Christina
Design of a reference electrode for high-temperature PEM fuel cells
In: Journal of Applied Electrochemistry Bd. 43 (2013) Heft 11. - S. 1069-1078
doi:10.1007/s10800-013-0567-9 ...

Muench, Falk; Oezaslan, Mehtap; Rauber, Markus; Kaserer, Sebastian; Fuchs, Anne; Mankel, Eric; Brötz, Joachim; Strasser, Peter; Roth, Christina; Ensinger, Wolfgang
Electroless synthesis of nanostructured nickel and nickel–boron tubes and their performance as ...
In: Journal of Power Sources Bd. 222 (2013) . - S. 243-252
doi:10.1016/j.jpowsour.2012.08.067 ...

Dixon, D.; Melke, J.; Botros, M.; Rathore, J.; Ehrenberg, H.; Roth, Christina
Increase of catalyst utilization in polymer electrolyte membrane fuel cells by shape-selected P ...
In: International Journal of Hydrogen Energy Bd. 38 (2013) Heft 30. - S. 13393-13398
doi:10.1016/j.ijhydene.2013.07.110 ...

2012

Nuss, H.; Roth, Christina
Festkörperchemie 2011
In: Nachrichten aus der Chemie Bd. 60 (2012) Heft 3. - S. 251-264
doi:10.1002/nadc.201290118 ...

Wolz, André; Zils, Susanne; Ruch, David; Kotov, Nicholas; Roth, Christina; Michel, Marc
Incorporation of Indium Tin Oxide Nanoparticles in PEMFC Electrodes
In: Advanced Energy Materials Bd. 2 (2012) Heft 5. - S. 569-574
doi:10.1002/aenm.201100711 ...

Butsch, Hanno; Roth, Christina; Ritzinger, Dietrich; Hoogers, Gregor; Bock, Achim
Spatially Resolved Contact Pressure and Contact Resistance Measurements at the Gas Diffusion La ...
In: Journal of The Electrochemical Society Bd. 159 (2012) Heft 6. - S. B709-B713
doi:10.1149/2.054206jes ...

2010

Zils, Susanne; Wolz, André; Michel, Marc; Roth, Christina
Structured Multilayer Electrodes without Nafion for Polymer Electrolyte Membrane Fuel Cells
In: ECS Transactions Bd. 28 (2010) Heft 8. - S. 33-42
doi:10.1149/1.3490680 ...

Michel, M.; Bour, J.; Petersen, J.; Arnoult, C.; Ettingshausen, F.; Roth, Christina; Ruch, D.
Atmospheric Plasma Deposition : A New Pathway in the Design of Conducting Polymer-Based Anodes ...
In: Fuel Cells Bd. 10 (2010) Heft 6. - S. 932-937
doi:10.1002/fuce.201000050 ...

Dixon, Ditty; Schröder, Alexander; Schökel, Alexander; Söhn, Matthias; Manke, Ingo; Kardjilov, Nikolay; Sanders, Tilman; Loos, Volker; Hoogers, Gregor; Wippermann, Klaus; Stolten, Detlef; Roth, Christina
Design of In-Situ Experimentation for the Study of Fuel Cells with X-rays and Neutrons
In: Materials Testing Bd. 52 (2010) Heft 10. - S. 725-735
doi:10.3139/120.110180 ...

Sevjidsuren, G.; Zils, S.; Kaserer, S.; Wolz, A.; Ettingshausen, F.; Dixon, D.; Schoekel, A.; Roth, Christina; Altantsog, P.; Sangaa, D.; Ganzorig, Ch.
Effect of Different Support Morphologies and Pt Particle Sizes in Electrocatalysts for Fuel Cel ...
In: Journal of Nanomaterials Bd. 2010 (2010) . - S. 1-9
doi:10.1155/2010/852786 ...

Melke, Julia; Schoekel, Alexander; Dixon, Ditty; Cremers, Carsten; Ramaker, David E.; Roth, Christina
Ethanol Oxidation on Carbon-Supported Pt, PtRu, and PtSn Catalysts Studied by Operando X-ray Ab ...
In: The Journal of Physical Chemistry C Bd. 114 (2010) Heft 13. - S. 5914-5925
doi:10.1021/jp909342w ...

Arras, Jürgen; Paki, Elisabeth; Roth, Christina; Radnik, Jörg; Lucas, Martin; Claus, Peter
How a Supported Metal Is Influenced by an Ionic Liquid : In-Depth Characterization of SCILL-Typ ...
In: The Journal of Physical Chemistry C Bd. 114 (2010) Heft 23. - S. 10520-10526
doi:10.1021/jp1016196 ...

Scheiba, Frieder; Kunz, Ulrike; Butsch, Hanno; Zils, Susanne; Fuess, Hartmut; Roth, Christina
Imaging the Electrode-GDL Interface by a Modified Wood's Intrusion Process
In: ECS Transactions Bd. 28 (2010) Heft 27. - S. 85-92
doi:10.1149/1.3496616 ...

Wolz, André; Zils, Susanne; Michel, Marc; Roth, Christina
Structured multilayered electrodes of proton/electron conducting polymer for polymer electrolyt ...
In: Journal of Power Sources Bd. 195 (2010) Heft 24. - S. 8162-8167
doi:10.1016/j.jpowsour.2010.06.087 ...

Croze, Virginie; Ettingshausen, Frank; Melke, Julia; Soehn, Matthias; Stuermer, Dominic; Roth, Christina
The use of in situ X-ray absorption spectroscopy in applied fuel cell research
In: Journal of Applied Electrochemistry Bd. 40 (2010) Heft 5. - S. 877-883
doi:10.1007/s10800-009-9919-x ...

2009

Ettingshausen, Frank; Weidner, André; Zils, Susanne; Wolz, André; Suffner, Jens; Michel, Marc; Roth, Christina
Alternative Support Materials for Fuel Cell Catalysts
In: ECS Transactions Bd. 25 (2009) Heft 1. - S. 1883-1892
doi:10.1149/1.3210743 ...

Carmo, Marcelo; Roepke, Thorsten; Roth, Christina; dos Santos, Amilton M.; Poco, Joao G. R.; Linardi, Marcelo
A novel electrocatalyst support with proton conductive properties for polymer electrolyte membr ...
In: Journal of Power Sources Bd. 191 (2009) Heft 2. - S. 330-337
doi:10.1016/j.jpowsour.2009.01.086 ...

Ettingshausen, Frank; Kleemann, J.; Michel, Marc; Quintus, M.; Fuess, Hartmut; Roth, Christina
Spatially resolved degradation effects in membrane-electrode-assemblies of vehicle aged polymer ...
In: Journal of Power Sources Bd. 194 (2009) Heft 2. - S. 899-907
doi:10.1016/j.jpowsour.2009.06.003 ...

Carmo, Marcelo; Roepke, Thorsten; Scheiba, Frieder; Roth, Christina; Moeller, Stephan; Fuess, Hartmut; Poco, Joao G.R.; Linardi, Marcelo
The use of a dynamic hydrogen electrode as an electrochemical tool to evaluate plasma activated ...
In: Materials Research Bulletin Bd. 44 (2009) Heft 1. - S. 51-56
doi:10.1016/j.materresbull.2008.04.007 ...

2008

Roth, Christina; Benker, Nathalie; Theissmann, Ralf; Nichols, Richard J.; Schiffrin, David J.
Bifunctional Electrocatalysis in Pt−Ru Nanoparticle Systems
In: Langmuir Bd. 24 (2008) Heft 5. - S. 2191-2199
doi:10.1021/la7015929 ...

Steffan, Martin; Klasovsky, Florian; Arras, Jürgen; Roth, Christina; Radnik, Jörg; Hofmeister, Herbert; Claus, Peter
Carbon-Carbon Double BondversusCarbonyl Group Hydrogenation: Controlling the Intramolecular Sel ...
In: Advanced Synthesis & Catalysis Bd. 350 (2008) Heft 9. - S. 1337-1348
doi:10.1002/adsc.200800035 ...

Klasovsky, Florian; Hohmeyer, Jens; Brückner, Angelika; Bonifer, Marcus; Arras, Jürgen; Steffan, Martin; Lucas, Martin; Radnik, Jörg; Roth, Christina; Claus, Peter
Catalytic and Mechanistic Investigation of Polyaniline Supported PtO2 Nanoparticles : A Combine ...
In: The Journal of Physical Chemistry C Bd. 112 (2008) Heft 49. - S. 19555-19559
doi:10.1021/jp805970e ...

dos Santos, Antonio Rodolfo; Carmo, Marcelo; Oliveira-Neto, Almir; Spinacé, Estevam V.; Rocha Poço, João G.; Roth, Christina; Fuess, Hartmut; Linardi, Marcelo
Electrochemical and impedance spectroscopy studies in H2/O2 and methanol/O2 proton exchange mem ...
In: Ionics Bd. 14 (2008) Heft 1. - S. 43-51
doi:10.1007/s11581-007-0133-8 ...

Scheiba, Frieder; Benker, Nathalie; Kunz, Ulrike; Roth, Christina; Fuess, Hartmut
Electron microscopy techniques for the analysis of the polymer electrolyte distribution in prot ...
In: Journal of Power Sources Bd. 177 (2008) Heft 2. - S. 273-280
doi:10.1016/j.jpowsour.2007.11.085 ...

Michel, Marc; Ettingshausen, Frank; Scheiba, Frieder; Wolz, André; Roth, Christina
Using layer-by-layer assembly of polyaniline fibers in the fast preparation of high performance ...
In: Physical Chemistry Chemical Physics Bd. 10 (2008) Heft 25. - S. 3796-3801
doi:10.1039/B802813N ...

2007

Scott, Frances J.; Roth, Christina; Ramaker, David E.
Kinetics of CO Poisoning in Simulated Reformate and Effect of Ru Island Morphology on PtRu Fuel ...
In: The Journal of Physical Chemistry C Bd. 111 (2007) Heft 30. - S. 11403-11413
doi:10.1021/jp072698+ ...

Roth, Christina; Benker, Nathalie; Mazurek, Marian; Scheiba, Frieder; Fuess, Hartmut
Pt-Ru fuel cell catalysts subjected to H2, CO, N2 and air atmosphere : An X-ray absorption stud ...
In: Applied Catalysis A: General Bd. 319 (2007) . - S. 81-90
doi:10.1016/j.apcata.2006.11.018 ...

Roth, Christina; Benker, Nathalie; Zils, Susanne; Chenitz, Régis; Issanin, Alexander; Fuess, Hartmut
The Oxidation Behaviour of Ruthenium in the Presence of Platinum and its Effect on the Electroc ...
In: Zeitschrift für physikalische Chemie Bd. 221 (2007) Heft 11/12. - S. 1549-1567
doi:10.1524/zpch.2007.221.11-12.1549 ...

2006

Scholz, Manuel; Scheiba, Frieder; Cao, Lin; Schafranek, Robert; Roth, Christina; Cremers, Carsten; Qiu, Xinping; Stimming, Ulrich; Fuess, Hartmut
On the suitability of hydrous ruthenium oxide supports to enhance intrinisic proton conductivit ...
In: Fuel Cells Bd. 6 (2006) Heft 6. - S. 439-446
doi:10.1002/fuce.200500238 ...

Cao, Lin; Scheiba, Frieder; Roth, Christina; Schweiger, Franz; Cremers, Carsten; Stimming, Ulrich; Fuess, Hartmut; Chen, Liquan; Zhu, Wentao; Qiu, Xinping
Novel Nanocomposite Pt/RuO2⋅x H2O/Carbon Nanotube Catalysts for Direct Methanol Fuel Cells
In: Angewandte Chemie International Edition Bd. 45 (2006) Heft 32. - S. 5315-5319
doi:10.1002/anie.200601301 ...

Mazurek, Marian; Benker, Nathalie; Roth, Christina; Fuess, Hartmut
Structural and electrochemical investigation of binary mixtures of carbon-supported Pt and Ru c ...
In: Fuel Cells Bd. 6 (2006) Heft 3/4. - S. 208-213
http://tubiblio.ulb.tu-darmstadt.de/28680/

Benker, Nathalie; Roth, Christina; Mazurek, Marian; Fuess, Hartmut
Synthesis and characterisation of ternary Pt/Ru/Mo catalysts for the anode of the PEM fuel cell
In: Journal of New Materials for Electrochemical Systems Bd. 9 (2006) Heft 2. - S. 121-126
http://tubiblio.ulb.tu-darmstadt.de/28679/

Mazurek, Marian; Benker, Nathalie; Roth, Christina; Buhrmester, Thorsten; Fuess, Hartmut
Electrochemical impedance and x-ray absorption spectroscopy (EXAFS) as in-situ methods to study ...
In: Fuel Cells Bd. 6 (2006) Heft 1. - S. 16-20
doi:10.1002/fuce.200500095 ...

2005

Roth, Christina; Benker, Nathalie; Buhrmester, Thorsten; Mazurek, Marian; Loster, Matthias; Fuess, Hartmut; Koningsberger, Diederik C.; Ramaker, David E.
Determination of OH and CO Coverage and Adsorption Sites on PtRu Electrodes in an Operating PEM ...
In: Journal of the American Chemical Society Bd. 127 (2005) Heft 42. - S. 14607-14615
doi:10.1021/ja050139f ...

Roth, Christina; Benker, Nathalie; Mazurek, Marian; Scheiba, Frieder; Fuess, Hartmut
Development of an In-Situ Cell for X-ray Absorption Measurements During Fuel Cell Operation
In: Advanced Engineering Materials Bd. 7 (2005) Heft 10. - S. 952-956
doi:10.1002/adem.200500122 ...

Martz, N.; Roth, Christina; Fuess, H.
Characterization of different Pt/Metal/Complex catalysts as anode catalysts for the PEM fuel ce ...
In: Journal of Applied Electrochemistry Bd. 35 (2005) Heft 1. - S. 85-90
doi:10.1007/s10800-004-4059-9 ...

Roth, Christina; Papworth, Adam J.; Hussain, Irshad; Nichols, Richard J.; Schiffrin, David J.
A Pt/Ru nanoparticulate system to study the bifunctional mechanism of electrocatalysis
In: Journal of Electroanalytical Chemistry Bd. 581 (2005) Heft 1. - S. 79-85
doi:10.1016/j.jelechem.2005.04.014 ...

2004

Roth, Christina; Martz, Nathalie; Morlang, Alexander; Theissmann, Ralf; Fuess, Hartmut
X-ray absorption studies on alloy formation in different carbon-supported Pt-Ru electrocatalyst ...
In: Physical Chemistry Chemical Physics Bd. 6 (2004) Heft 13. - S. 3557-3562

Roth, Christina; Martz, Nathalie; Fuess, Hartmut
Challenges in the structural characterization of nanodispersed catalytic materials
In: Journal of New Materials for Electrochemical Systems Bd. 7 (2004) Heft 2. - S. 117-123

Roth, Christina; Hussain, I.; Bayati, M.; Nichols, R. J.; Schiffrin, D. J.
Fullerene-linked Pt nanoparticle assemblies
In: Chemical Communications (2004) Heft 13. - S. 1532-1533
doi:10.1039/B404257C ...

Roth, Christina; Martz, N.; Fuess, H.
An X-ray diffraction and transmission electron microscopy study of Pt–Ru fuel cell catalysts be ...
In: Journal of Applied Electrochemistry Bd. 34 (2004) Heft 3. - S. 345-348
doi:10.1023/B:JACH.0000015674.49162.3f ...

2003

Franco, E. G.; Aricó, E.; Linardi, M.; Roth, Christina; Martz, N.; Fuess, Hartmut
Synthesis and Characterization of Eletrocatalyst Powders for Application in PEM Fuel Cells
In: Materials Science Forum Bd. 416-418 (2003) . - S. 4-10
doi:10.4028/www.scientific.net/MSF.416-418.4 ...

2002

Roth, Christina; Martz, N.; Hahn, F.; Léger, J.-M.; Lamy, C.; Fuess, H.
Characterization of Differently Synthesized Pt-Ru Fuel Cell Catalysts by Cyclic Voltammetry, FT ...
In: Journal of The Electrochemical Society Bd. 149 (2002) Heft 11
doi:10.1149/1.1511191 ...

Roth, Christina; Martz, Nathalie; Buhrmester, Thorsten; Scherer, Joachim; Fuess, Hartmut
In-situ XAFS fuel cell measurements of a carbon-supported Pt–Ru anode electrocatalyst in hydrog ...
In: Physical Chemistry Chemical Physics Bd. 4 (2002) Heft 15. - S. 3555-3557
doi:10.1039/B204293B ...

2001

Roth, Christina; Martz, Nathalie; Fuess, Hartmut
Characterization of different Pt–Ru catalysts by X-ray diffraction and transmission electron mi ...
In: Physical Chemistry Chemical Physics Bd. 3 (2001) Heft 3. - S. 315-319
doi:10.1039/B004887I ...

Roth, Christina; Goetz, M.; Fuess, H.
Synthesis and characterization of carbon-supported Pt-Ru-WOx catalysts by spectroscopic and dif ...
In: Journal of Applied Electrochemistry Bd. 31 (2001) Heft 7. - S. 793-798
doi:10.1023/A:1017585901064 ...

Verantwortlich für die Redaktion: Dr.Ing. Daniel Leykam

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