Search Results - "Pinkwart, Karsten"
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Techno-Economic Modeling and Analysis of Redox Flow Battery Systems
Published in Energies (Basel) (01-08-2016)“…A techno-economic model was developed to investigate the influence of components on the system costs of redox flow batteries. Sensitivity analyses were carried…”
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2
Aspects of electron transfer processes in vanadium redox-flow batteries
Published in Current opinion in electrochemistry (01-02-2020)“…The electrochemical processes in vanadium redox-flow batteries (VRFBs) include conversions of vanadium species in acidic electrolytes with total vanadium…”
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In Situ Measurement of Localized Current Distribution in H2-Br2 Redox Flow Batteries
Published in Energies (Basel) (12-08-2021)“…Hydrogen bromine redox flow batteries (RFB) are considered to be one of the most promising storage alternatives, as this technology offers both high energy and…”
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Vanadium Electrolyte for All-Vanadium Redox-Flow Batteries: The Effect of the Counter Ion
Published in Batteries (Basel) (18-01-2019)“…In this study, 1.6 M vanadium electrolytes in the oxidation forms V(III) and V(V) were prepared from V(IV) in sulfuric (4.7 M total sulphate), V(IV) in…”
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Use of Carbon Additives towards Rechargeable Zinc Slurry Air Flow Batteries
Published in Energies (Basel) (01-09-2020)“…The performance of redox flow batteries is notably influenced by the electrolyte, especially in slurry-based flow batteries, as it serves as both an ionic…”
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6
Development of Flow Fields for Zinc Slurry Air Flow Batteries
Published in Batteries (Basel) (01-03-2020)“…The flow field design and material composition of the electrode plays an important role in the performance of redox flow batteries, especially when using…”
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7
Segmented Printed Circuit Board Electrode for Locally-resolved Current Density Measurements in All-Vanadium Redox Flow Batteries
Published in Batteries (Basel) (01-06-2019)“…One of the most important parameters for the design of redox flow batteries is a uniform distribution of the electrolyte solution over the complete electrode…”
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Gasification of diesel oil in supercritical water for fuel cells
Published in Journal of power sources (01-10-2004)“…Experiments have demonstrated the reforming of hydrocarbons in supercritical water. The hydrocarbons were reformed in a continuously operated tubular V4A…”
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Journal Article Conference Proceeding -
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19 Import options for green hydrogen and derivatives - An overview of efficiencies and technology readiness levels
Published in International journal of hydrogen energy (11-11-2024)“…The import of hydrogen and derivatives forms part of many national strategies and is fundamental to achieving climate protection targets. This paper provides…”
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On the Influence of Ag on Pd-based Electrocatalyst for Methanol Oxidation in Alkaline Media: A Comparative Differential Electrochemical Mass Spectrometry Study
Published in Electrochimica acta (01-05-2016)“…In this study methanol oxidation in alkaline media was investigated in detail on Pd/C, Ag/C and PdAg/C catalysts. The electrochemical activity towards methanol…”
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Detection of capacity imbalance in vanadium electrolyte and its electrochemical regeneration for all-vanadium redox-flow batteries
Published in Journal of power sources (20-01-2016)“…A vanadium electrolyte for redox-flow batteries (VRFB) with different VIII and VIV mole fractions has been studied by UV–vis spectroscopy. Spectrophotometric…”
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Investigation of ruthenium promoted palladium catalysts for methanol electrooxidation in alkaline media
Published in Journal of power sources (30-01-2016)“…In this study, the investigation of binary palladium based electrocatalysts for methanol oxidation in alkaline media is reported. For this purpose,…”
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13
Vanadium proton exchange membrane water electrolyser
Published in Journal of power sources (01-05-2017)“…In order to reverse the reactions of vanadium oxygen fuel cells and to regenerate vanadium redox flow battery electrolytes that have been oxidised by…”
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Journal Article -
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The role of phosphate additive in stabilization of sulphuric-acid-based vanadium(V) electrolyte for all-vanadium redox-flow batteries
Published in Journal of power sources (30-09-2017)“…Catholyte in all-vanadium redox-flow battery (VRFB) which consists of vanadium salts dissolved in sulphuric acid is known to be stabilized by phosphoric acid…”
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Journal Article -
15
Development of materials for anion-exchange membrane direct alcohol fuel cells
Published in International journal of hydrogen energy (21-09-2015)“…In this paper development of anodic materials for anion-exchange membrane direct alcohol fuel cells (AEM-DAFC) using methanol or ethylene glycol as fuels is…”
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Journal Article -
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Towards an all-vanadium redox-flow battery electrolyte: electrooxidation of V(III) in V(IV)/V(III) redox couple
Published in Electrochimica acta (01-09-2016)“…The electrochemistry of the V(IV)/V(III) redox couple influences the initial pre-charging of the electrolyte in vanadium redox-flow batteries to produce a…”
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Journal Article -
17
Study of the long-term operation of a vanadium/oxygen fuel cell
Published in Journal of power sources (15-09-2016)“…A vanadium/oxygen fuel cell (VOFC) with a geometrically active area of 51 cm2 and two membranes was discontinuously operated over a period of over 676 h with…”
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Dithionite/air direct ion liquid fuel cell
Published in Journal of power sources (15-07-2015)Get full text
Journal Article -
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Der Nationale Wasserstoffrat der deutschen Bundesregierung
Published in Chemie ingenieur technik (01-01-2024)“…Für die Erreichung der ambitionierten Klimaziele ist der Übergang von fossilen Energieträgern zu erneuerbaren Ressourcen entscheidend. Wasserstoff spielt dabei…”
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Journal Article -
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19 Import options for green hydrogen and derivatives - An overview of efficiencies and technology readiness levels
Published in International journal of hydrogen energy (01-11-2024)Get full text
Journal Article