Výsledky vyhledávání - "Sandra E. Temmel"

Pt/IrO 2 –TiO 2 cathode catalyst for low temperature polymer electrolyte fuel cell – Application in MEAs, performance and stability issues

Autor: Sandra E. Temmel, Rüdiger Kötz, Thomas J. Schmidt, Annett Rabis, Alexandra Patru

Publikováno v: Catalysis Today. 262:161-169

This work addresses the long-term stability issues of polymer electrolyte fuel cells (PEFC) based on a new oxide supported cathode catalyst generation using commercial Pt/IrO 2 –TiO 2 (Umicore ® ) as model cathode catalyst. First, the ionomer to o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1dc040ec28b50104ff4919c26abd3a6
https://doi.org/10.1016/j.cattod.2015.09.009

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Numerical Partitioning Model for the Koutecky-Levich Analysis of Electrochemical Flow Cells with a Combined Channel/Wall-Jet Geometry

Autor: N. Poyatos Salguero, Juan Herranz, S. A. Tschupp, Thomas J. Schmidt, Sandra E. Temmel

Publikováno v: Journal of the Electrochemical Society, 164 (11)

We present numerical studies of the flow profile and electrode currents for the hydrogen oxidation and oxygen reduction reactions in an electrochemical flow cell. Koutecký-Levich type equations are obtained by partitioning the electrode surface into

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c75c675710f9b7ed4981e65e1c3f7179
https://hdl.handle.net/20.500.11850/219983

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A highly flexible electrochemical flow cell designed for the use of model electrode materials on non-conventional substrates

Autor: S. A. Tschupp, Thomas J. Schmidt, Sandra E. Temmel

Publikováno v: The Review of scientific instruments. 87(4)

We present a novel electrochemical flow cell based on a wall-jet configuration to carry out electrochemical investigations under controlled mass transport conditions. The described setup can be applied for investigations similar to those performed wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30dc6fc26558dda6b34b6cd6ff46017b
https://pubmed.ncbi.nlm.nih.gov/27131715

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Highly sensitive SnO2 sensor via reactive laser-induced transfer

Autor: Thomas Mattle, Alexandra Palla Papavlu, Ulrike Lehmann, Alain Grisel, Andreas Hintennach, Thomas Lippert, Sandra E. Temmel, Alexander Wokaun

Publikováno v: Scientific Reports, 6
Scientific Reports

Gas sensors based on tin oxide (SnO2) and palladium doped SnO2 (Pd:SnO2) active materials are fabricated by a laser printing method, i.e. reactive laser-induced forward transfer (rLIFT). Thin films from tin based metal-complex precursors are prepared

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::498ce766f08d14250481a669017466fd
https://doi.org/10.1038/srep25144

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Tuning the Surface Electrochemistry by Strained Epitaxial Pt Thin Film Model Electrodes Prepared by Pulsed Laser Deposition

Autor: Thomas J. Schmidt, Thomas Lippert, Sandra E. Temmel, Emiliana Fabbri, Daniele Pergolesi

Publikováno v: Advanced Materials Interfaces. 3:1600222

A novel approach for tailoring strained Pt model electrocatalysts using pulsed laser deposition is presented. The physical properties of Pt films grown on single-crystalline (100)- and (111)-oriented strontium titanate depend significantly on the var

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::238e9388e073940edade69dc2b2feaf7
https://doi.org/10.1002/admi.201600222

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