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Vorträge

2018

  • 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