K
Kaspar Andreas Friedrich
Researcher at German Aerospace Center
Publications - 144
Citations - 6043
Kaspar Andreas Friedrich is an academic researcher from German Aerospace Center. The author has contributed to research in topics: Proton exchange membrane fuel cell & Electrolysis. The author has an hindex of 34, co-authored 114 publications receiving 4964 citations. Previous affiliations of Kaspar Andreas Friedrich include University of Stuttgart & Technische Universität München.
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Fuel Cells - Fundamentals and Applications
TL;DR: In this paper, the authors discuss the advantages and disadvantages of both low-temperature and high temperature fuel cells and propose a modularization of fuel cells, which makes them quite flexible as the power needed can easily be attained by changing the number of modules.
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Ethanol oxidation on PtRu electrodes studied by differential electrochemical mass spectrometry
TL;DR: In this article, the oxidation of ethanol in aqueous HClO 4 was studied on co-electrodeposited PtRu electrodes in a temperature range of 5-40°C by means of differential electrochemical mass spectrometry (DEMS).
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Modified Nafion®-based membranes for use in direct methanol fuel cells
TL;DR: In this article, a modification procedure has been applied to recast Nafion®-based membranes, containing different additives namely silicon dioxide particles (Aerosil®) and molybdophosphoric acid, to improve the membrane properties with respect to this application.
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Transport properties of ionomer composite membranes for direct methanol fuel cells
TL;DR: In this article, the authors investigated the transport properties of composite Nafion®-based membranes for direct methanol fuel cells (DMFC) and determined the influence of the thickness of the membrane on these properties.
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Nanosized IrO(x)-Ir Catalyst with Relevant Activity for Anodes of Proton Exchange Membrane Electrolysis Produced by a Cost-Effective Procedure.
Philipp Lettenmeier,Li Wang,Ute Golla-Schindler,Pawel Gazdzicki,Natalia A. Cañas,Michael Handl,Renate Hiesgen,Seyed Schwan Hosseiny,Aldo Saul Gago,Kaspar Andreas Friedrich +9 more
TL;DR: The catalyst developed herein sets a benchmark and a strategy for the development of ultra-low loading catalyst layers for PEM electrolysis, showing an unparalleled low overpotential and negligible degradation.