Search Results - "Dana Schonvogel"

Elucidating Synergistic Effects of Different Metal Ratios in Bimetallic Fe/Co-N-C Catalysts for Oxygen Reduction Reaction by Marius Gollasch, Julia Müller-Hülstede, Henrike Schmies, Dana Schonvogel, Peter Wagner, Alexander Dyck, Michael Wark

“…Lowering or eliminating the noble-metal content in oxygen reduction fuel cell catalysts could propel the large-scale introduction of commercial fuel cell…”
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Effect of Polytetrafluorethylene Content in Fe‐N‐C‐Based Catalyst Layers of Gas Diffusion Electrodes for HT‐PEM Fuel Cell Applications by Zierdt, Tanja, Müller‐Hülstede, Julia, Schmies, Henrike, Schonvogel, Dana, Wagner, Peter, Friedrich, K. Andreas

“…Fe‐N‐C catalysts are a promising alternative to replace cost‐intensive Pt‐based catalysts in high temperature polymer electrolyte membrane fuel cell (HT‐PEMFC)…”
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The influence of hydrogen sulphide contamination on platinum catalyst used in polymer electrolyte membrane fuel cells during potential cycling at 0.05–1.05 V vs RHE: An RRDE study by Dushina, Anastasia, Schmies, Henrike, Schonvogel, Dana, Dyck, Alexander, Wagner, Peter

“…The effect of H2S contamination on platinum catalyst has been investigated in terms of rotating ring disk electrode measurements (RRDE) in 0.1 M HClO4. The…”
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Elucidating key mechanistic processes during acidic CO2 electroreduction on gas diffusion electrodes towards stable production of formic acid by Chen, Qinhao, Kube, Alexander, Schonvogel, Dana, Kopljar, Dennis, Klemm, Elias, Friedrich, Kaspar Andreas

“…[Display omitted] •Bi-based electrode selectively produces formic acid under acidic condition up to 500 mA·cm−2.•Impedance spectroscopy and pH gradients…”
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Implementation of different Fe–N–C catalysts in high temperature proton exchange membrane fuel cells – Effect of catalyst and catalyst layer on performance by Müller-Hülstede, Julia, Zierdt, Tanja, Schmies, Henrike, Schonvogel, Dana, Meyer, Quentin, Zhao, Chuan, Wagner, Peter, Wark, Michael

“…Fe–N–Cs are an alternative to Pt/C catalysts as they show promising activity towards the oxygen reduction reaction. While several studies are based on…”
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High temperature polymer electrolyte membrane fuel cell degradation provoked by ammonia as ambient air contaminant by Schonvogel, Dana, Büsselmann, Julian, Schmies, Henrike, Langnickel, Hendrik, Wagner, Peter, Dyck, Alexander

“…High temperature polymer electrolyte membrane fuel cells (HT-PEMFCs) are used from stationary to mobile applications and have the advantage of increased…”
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Impact of air contamination by NOx on the performance of high temperature PEM fuel cells by Schonvogel, Dana, Büsselmann, Julian, Schmies, Henrike, Langnickel, Hendrik, Wagner, Peter, Dyck, Alexander

“…High temperature PEM fuel cells show enhanced tolerances regarding fuel impurities like CO for use in various applications. However, the impact of air…”
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What determines the stability of Fe-N-C catalysts in HT-PEMFCs? by Müller-Hülstede, Julia, Schmies, Henrike, Schonvogel, Dana, Meyer, Quentin, Nie, Yan, Zhao, Chuan, Wagner, Peter, Wark, Michael

“…Fe-N-C catalysts are an attractive low-cost alternative to Pt for the oxygen reduction reaction (ORR) in high-temperature proton exchange membrane fuel cells…”
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Effect of air contamination by sulfur dioxide on the high temperature PEM fuel cell by Schonvogel, Dana, Büsselmann, Julian, Wagner, Peter, Kraus, Holger, Misz, Ulrich, Langnickel, Hendrik, Dyck, Alexander

“…High temperature PEM fuel cells (HT-PEMFCs) are attractive for applications from mobile to stationary fields and are characterized by enhanced tolerances…”
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Degradation study on tin- and bismuth-based gas-diffusion electrodes during electrochemical CO2 reduction in highly alkaline media by Bienen, Fabian, Löwe, Armin, Hildebrand, Joachim, Hertle, Sebastian, Schonvogel, Dana, Kopljar, Dennis, Wagner, Norbert, Klemm, Elias, Friedrich, Kaspar Andreas

“…The degradation of SnO2 and Bi2O3 based CO2 converting gas-diffusion electrodes was investigated to shed light on the contribution of a possible catalyst…”
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Performance and durability of high temperature proton exchange membrane fuel cells with silicon carbide filled polybenzimidazole composite membranes by Schonvogel, Dana, Belack, Jörg, Vidakovic, Jurica, Schmies, Henrike, Uhlig, Lisa M., Langnickel, Hendrik, Man Tung, Patrick Kin, Meyer, Quentin, Zhao, Chuan, Wagner, Peter

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Relevant Properties of Carbon Support Materials in Successful Fe-N-C Synthesis for the Oxygen Reduction Reaction: Study of Carbon Blacks and Biomass-Based Carbons by Hülstede, Julia, Schonvogel, Dana, Schmies, Henrike, Wagner, Peter, Schröter, Frank, Dyck, Alexander, Wark, Michael

“…Fe-N-C materials are promising non-precious metal catalysts for the oxygen reduction reaction in fuel cells and batteries. However, during the synthesis of…”
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Towards the Reduction of Pt Loading in High Temperature Proton Exchange Membrane Fuel Cells – Effect of Fe−N−C in Pt‐Alloy Cathodes by Müller‐Hülstede, Julia, Uhlig, Lisa M., Schmies, Henrike, Schonvogel, Dana, Meyer, Quentin, Nie, Yan, Zhao, Chuan, Vidakovic, Jurica, Wagner, Peter

“…Pt poisoning by phosphate in high temperature proton exchange membrane fuel cells (HT‐PEMFC) leads to loadings up to 1 mgPt cm−2 per electrode of costly…”
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Hydrothermal Carbonization‐Derived Carbon from Waste Biomass as Renewable Pt Support for Fuel Cell Applications: Role of Carbon Activation by Schonvogel, Dana, Nowotny, Manuel, Woriescheck, Tim, Multhaupt, Hendrik, Wagner, Peter, Dyck, Alexander, Agert, Carsten, Wark, Michael

“…Pt catalysts in proton exchange membrane fuel cells (PEMFCs) typically use carbon blacks such as Vulcan (Vulcan is a registered trademark of the company Cabot…”
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Incorporation of Activated Biomasses in Fe-N‑C Catalysts for Oxygen Reduction Reaction with Enhanced Stability in Acidic Media by Müller-Hülstede, Julia, Schonvogel, Dana, Schmies, Henrike, Wagner, Peter, Dyck, Alexander, Wark, Michael

“…Fe-N-C materials are promising oxygen reduction reaction (ORR) catalysts for replacing expensive platinum-based catalysts (Pt/C) in proton exchange membrane…”
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