C. Roth, In-operando characterization of novel fuel cell catalysts using XAS and DRIFTS, Heraeus-Seminar, Bad Honnef, 14.-17.10.2018.
C. Roth, Supported Pt Nanoparticle Catalysts - Correlation of Electrochemical CO-Stripping Data and Gas Phase in-Situ Drifts Measurements, AiMES 2018, Cancun, Mexico, September 30 - October 4, 2018.
C. Roth, Synthesis, Characterization and Electrochemical Testing of Salt-Templated Carbon-Carbon Composites for Application in Vanadium Redox Flow Batteries, AiMES 2018 Cancun, Mexico, September 30 - October 4, 2018.
C. Roth, Materials challenges in all-Vanadium redox flow batteries (VRFB), GDCh-Kolloquium in Chemnitz, 08.06.2018 (eingeladen).
2017
C. Roth, Carbon felt electrodes in all-V redox flow batteries – can degradation be prevented?, SSI Meeting, Padua, 19.06.2017.
C. Roth, CO adsorption on different oxide-supported catalysts studied by a combination of in situ X-ray absorption spectroscopy (XAS) and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), ECS Spring Meeting, New Orleans, 30.05.2017.
C. Roth, Ageing and degradation effects observed in carbon felts used as electrodes in Vanadium redox flow batteries, ECS Spring Meeting, New Orleans, 29.05.2017.
C. Roth, Carbon materials in all-Vanadium redox flow batteries (VRFB), Institutskolloquium Vanderbilt University, TN (USA), 25.05.2017 (eingeladen).
C. Roth, Oxide-supported fuel cell catalysts: In situ X-ray absorption spectroscopy (XAS) and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) study, Institutskolloquium Oak Ridge National Labs, TN (USA), 22.05.2017 (eingeladen).
C. Roth, Concepts for Carbon-based electrodes for all-V redox flow batteries, IDTechEx Energy Storage Berlin, 10.05.2017 (eingeladen).
2016
C. Roth, Novel carbon-based electrodes for all-V redox flow batteries, International Society of Electrochemistry, Den Haag, 24.08.2016 (eingeladen).
C. Roth, Carbon-based electrodes for all-V redox flow batteries, Institutskolloquium TU Darmstadt Chemie, 15.11.2016.
I. Derr, M. Bruns, J. Langner, A. Fetyan, J. Melke, C. Roth, Chemical aging and electrochemical degradation of carbon felt electrodes in all Vanadium Redox Flow Batteries (VRFB), 09.06.2016 IFBF 2016, Karlsruhe, Deutschland
C. Roth, "Operando spectroscopic investigation and design of materials for fuel cells and batteries“, Symposium Universität Bern, 27.06.2016
C. Roth, "Schwarz und magisch – Kohlenstoffmaterialien in Batterien und Brennstoffzellen“, Lange Nacht der Wissenschaften, FU Berlin, 11.06.2016
C. Roth, "Optimization of fuel cell catalysts: how in-situ X-ray absorption spectroscopy and 3D structuring techniques can help", Kolloquium MPI für Kolloid- und Grenzflächenforschung Potsdam, 26.6.2016.
C. Roth, "Neue kohlenstoff-basierte Elektroden für Vanadium-Redox-Flow-Batterien", Innovationstag Berlin, 24.05.2016.
C. Roth, "Neue kohlenstoff-basierte Elektroden für Vanadium-Redox-Flow-Batterien", DECHEMA-Kolloquium Frankfurt a. M., 03.03.2016.
C. Roth, "Electrocatalysts in operation – what we can learn from in-situ X-ray absorption spectroscopy", GDCh-Kolloquium Oldenburg, 21.01.2016.
2015
C. Roth, "The power of in-situ studies: How X-ray absorption spectroscopy can help to develop PEMFC catalysts with increased activity and stability", Franz-russ. Projekttreffen in Strasbourg, 12.-13.11.2015.
C. Roth, "Katalysatoren für Brennstoffzellen: Wie in-situ Methoden bei der Materialentwicklung helfen", 3. Dresdner Konferenz Zukunft Energie, 10.-11.11.2015 Dresden.
C. Brieger, J. Melke, P. Kaghazchi, and C. Roth, “CO Adsorption on Platinum Nanoparticles - the Importance of Size Distribution Studied with In-Situ DRIFTS and DFT Calculations”, 228th ECS Meeting, Phoenix USA, 11. - 15.10.2015
C. Roth, "The power of in-situ studies: How X-ray absorption spectroscopy can help to develop PEMFC catalysts with increased activity and stability", ECS Fall Meeting Phoenix, 11.-15.10.2015.
J. Melke, D. Dixon, C. Roth, H. Ehrenberg ”Cubic versus commercial spherical Pt/C catalyst for the oxygen reduction reaction in PEMFC”, European Fuel Cell Forum, 27 - 31 July 2015, Lucerne, Switzerland.
C. Roth, "Robust carbon-based electrodes for all-V redox flow batteries", IFBF Meeting Glasgow, 16.-18.06.2015.
C. Roth, "Methoden- und Materialentwicklung für elektrochemische Energietechnologien: Kohlenstoffmaterialien in Vanadium-Redox-Flow-Batterien", GDCh-Kolloquium Chemnitz, 28.05.2015.
C. Roth, "Der Materialwissenschaftler im Beruf, DGM-Veranstaltung", TU Darmstadt, 24.04.2015.
C. Roth, "Redox-Flow-Batterien mit robuster kohlenstoffbasierter 3D-Elektrodenarchitektur", Vortrag und Moderation, BMBF-Statusseminar Energiespeicher, Berlin, 23.04.2015.
C. Roth, Neue Katalysatorkonzepte für Brennstoffzellen, Workshop “Heterogene Katalyse”, Materials Valley e. V., Hanau, 16.04.2015.
C. Roth, "Methods and material developments in electrochemical energy technologies", Institutskolloquium Freiburg, 11.02.2015.
2014
C. Roth, “In-operando characterization of HT-PEM fuel cells operating at 180°C using X-ray absorption spectroscopy”, Helmholtz Zentrum für Materialien und Energie, 24.02.2014
C. Roth, S. Kaserer, K. M. Caldwell, D. E. Ramaker, “In-situ X-ray absorption spectroscopy elucidating mechanisms in HT-PEM fuel cells”, ECS Spring Meeting Orlando, 12 May 2014.
C. Roth,“How to safe money - edelmetall-reduzierte und edelmetallfreie Katalysatorkonzepte für Brennstoffzellen“, Marktplatz Zulieferer, Berlin, 21.05.2014
C.Roth, “Methods and materials development for electrochemical energy technologies”, Electrochemical Interfaces: Recent Topics and Open Questions, Sept. 30. - Oct. 02. 2014 Weierstrass-Institute Berlin
2013
A. Schoekel, C. Brieger, C. Roth, „Ruthenium dissolution in DMFCs”, Chemener 2013, 27.-30.01.2013, Berlin
C. Roth, “Alternative support materials for fuel cells: How to obtain porous electrodes”, International Symposium on Chemistry for Energy Conversion and Storage, Berlin, Januar 2013.
C. Roth, J. Melke, B. Peter, K. Bachtin, „Methods to study the carbon component in fuel cells, redox flow batteries and lithium ion batteries“, MRS Spring Meeting, San Francisco, 01. – 05. April 2013 (eingeladen).
A. Wolz, C. Roth, “Pt decorated Sb-doped tin oxide nanoparticles @ PANI hollow spheres as PEMFC electrode building material”, 5th International Conference on Fundamentals & Development of Fuel Cells in Karlsruhe, 16.-18. April 2013.
K. Bachtin, R. Chen, S. Indris, K. Nikolowski, C. Roth, H. Ehrenberg, “Electrospun cathode materials for lithium ion batteries”, 2nd International Conference on Materials for Energy EnMat II, Karlsruhe, 12.05. - 16.05.2013.
A. Wolz, M. Michel, C. Roth, „Novel strategies for the integration of oxide-supported Pt nanoparticles into PEMFC cathodes“, 2nd International Conference on Materials for Energy, Karlsruhe, 12.-16. Mai 2013
K. Bachtin, M. Kaus, S. Indris, C. Roth, H. Ehrenberg, „3D-Strukturierung von Elektroden durch Elektrospinning am Beispiel einer LiFePO4-Kathode für Lithium-ionen-Batterien“, 113. Bunsentagung 31.5.2014, Hamburg.
C. Roth, “Carbon – the black sheep in electrochemistry?”, Electrochemistry conference, Southampton, 31 May 2013.
2012
S. Kaserer, C. Roth, „In-operando investigations of Adsorption and Poisoning Processes on Pt Catalyst Surfaces in HT-PEM fuel cells”, HT-PEM seminar, 3. December 2012, Jülich, Germany (eingeladen)
S. Kaserer, J. Melke, A. Schoekel, C. Roth, „Separation of anode and cathode potentials in high temperature PEM fuel cells”, Electromembrane Processes and Materials, 26-29 August 2012, Cesky Krumlov, Czech Republic
Krystyna Bachtin, Benedikt Peter, Christina Roth, „3D structuring of electrodes for fuel cells and batteries with polyaniline (PANI)”, 13th Ulm ElectroChemical Talks (UECT),Ulm, 3 - 5 Juli 2012 53
S. Kaserer, K. Caldwell, D.E. Ramaker, C. Roth, „Analysing the influence of H3PO4 as Catalyst Poison in High Temperature PEM Fuel Cells using in-situ X-ray Absorption Spectroscopy”, 220th Electrochemical Society Meeting, 9-14 October 2011, Boston, USA
