Search Results - "ARLT, T"
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Synchrotron X-ray tomography for investigations of water distribution in polymer electrolyte membrane fuel cells
Published in Journal of power sources (15-06-2011)“…Synchrotron X-ray tomography is used to visualize the water distribution in gas diffusion layers (GDL) and flow field channels of a polymer electrolyte…”
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Journal Article Conference Proceeding -
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Investigation of 3D water transport paths in gas diffusion layers by combined in-situ synchrotron X-ray radiography and tomography
Published in Electrochemistry communications (01-09-2011)“…The three-dimensional water distribution and water transport paths in the gas diffusion layer (GDL) and the adjacent micro-porous layer (MPL) of a polymer…”
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Journal Article -
3
Influence of cracks in the microporous layer on the water distribution in a PEM fuel cell investigated by synchrotron radiography
Published in Electrochemistry communications (01-09-2013)“…Water evolution in the gas diffusion layer of a polymer electrolyte membrane fuel cell was visualized in situ by means of synchrotron X-ray radiography. Cracks…”
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4
Synchrotron Radiography for a Proton Exchange Membrane (PEM) Electrolyzer
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01-06-2020)“…In‐plane synchrotron radiography with a resolution of a few micrometers was applied to study transport processes within a Proton Exchange Membrane (PEM)…”
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5
Three-dimensional study of compressed gas diffusion layers using synchrotron X-ray imaging
Published in Journal of power sources (01-05-2014)“…We present a synchrotron X-ray tomographic study on the morphology of carbon fiber-based gas diffusion layer (GDL) material under compression. A dedicated…”
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6
Influence of impurities, strontium addition and cooling rate on microstructure evolution in Al-10Si-0.3Fe casting alloys
Published in Journal of alloys and compounds (25-10-2018)“…The effect of impurities, Sr additions and cooling rate on the microstructural evolution of high-purity Al-10Si-0.3Fe and corresponding impure commercial…”
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7
Measuring device for synchrotron X-ray imaging and first results of high temperature polymer electrolyte membrane fuel cells
Published in Journal of power sources (15-06-2011)“…In this paper, a measurement cell for recording synchrotron X-ray images of low and high temperature PEM fuel cells is described. The experimental setup allows…”
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Journal Article Conference Proceeding -
8
Influence of hydrophobic treatment on the structure of compressed gas diffusion layers
Published in Journal of power sources (30-08-2016)“…Carbon fiber based felt materials are widely used as gas diffusion layer (GDL) in fuel cells. Their transport properties can be adjusted by adding hydrophobic…”
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Journal Article -
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Visualization of the water distribution in perforated gas diffusion layers by means of synchrotron X-ray radiography
Published in International journal of hydrogen energy (01-05-2012)“…Perforated gas diffusion layers (GDLs) of polymer electrolyte membrane fuel cells (PEMFCs) were investigated by means of in-situ synchrotron X-ray radiography…”
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10
In-operando investigation of the humidity condition and the swelling of a Nafion-based membrane in a DMFC with synchrotron X-ray imaging
Published in Journal of power sources (30-11-2015)“…The water distribution of a Nafion-based membrane in a direct methanol fuel cell was analyzed in-operando using high resolved synchrotron X-ray radiography. A…”
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Aging of Commercial Diesel Oxidation Catalysts: A preliminary Structure/Reactivity Study
Published in Topics in catalysis (01-07-2016)“…This study focuses on the catalytic behavior of the diesel oxidation catalyst using different aging characteristics of road mileage in order to improve the…”
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12
3D Visualisation of PEMFC Electrode Structures Using FIB Nanotomography
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01-12-2010)“…It is well known that the electrode structure of a PEMFC has a huge influence on the water management and thereby on the cell performance. In this work, two…”
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13
In-plane neutron radiography for studying the influence of surface treatment and design of cathode flow fields in direct methanol fuel cells
Published in International journal of hydrogen energy (19-02-2013)“…The influence of surface treatment and design of cathode flow fields in direct methanol fuel cells was investigated by in-plane neutron radiography and…”
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14
Investigation of fuel cells using scanning neutron imaging and a focusing neutron guide
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-01-2012)“…We present two different methods to increase the size of available neutron beams in order to allow for the investigation of large objects. Application of these…”
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15
Neutron radiography and current distribution measurements for studying cathode flow field properties of direct methanol fuel cells
Published in International journal of energy research (10-06-2014)“…SUMMARY The influence of the cathode flow field properties on the water distribution and performance of direct methanol fuel cells (DMFCs) was studied. All…”
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16
Guiding Device for the Patellar Cut in Total Knee Arthroplasty: Design and Validation
Published in Bioengineering (Basel) (10-05-2018)“…An incorrect cut of the patella (kneecap) during total knee arthroplasty, affects the thickness in different quadrants of the patella, leading to pain and poor…”
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Water Evolution in Direct Methanol Fuel Cell Cathodes Studied by Synchrotron X-Ray Radiography
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01-06-2013)“…Water evolution, distribution, and removal in the cathodes of a running direct methanol fuel cell were investigated by means of synchrotron X‐ray radiography…”
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Displacive phase transitions in C-centred clinopyroxenes: spodumene, LiScSi2O6 and ZnSiO3
Published in Physics and chemistry of minerals (01-12-2000)“…The clinopyroxenes spodumene (LiAlSi2O6), LiScSi2O6 and ZnSiO3, all with space group C2/c at ambient conditions, were studied under high pressures by…”
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Kinetics, Energetics, and Electronic Coupling of the Primary Electron Transfer Reactions in Mutated Reaction Centers of Blastochloris viridis
Published in Biophysical journal (01-06-2002)“…Femtosecond spectroscopy in combination with site-directed mutagenesis has been used to study the dynamics of primary electron transfer in native and 12…”
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The Accessory Bacteriochlorophyll: A Real Electron Carrier in Primary Photosynthesis
Published in Proceedings of the National Academy of Sciences - PNAS (15-12-1993)“…The primary electron transfer in reaction centers of Rhodobacter sphaeroides is studied by subpicosecond absorption spectroscopy with polarized light in the…”
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