Search Results - "Barwe, Stefan"

Online Monitoring of Electrochemical Carbon Corrosion in Alkaline Electrolytes by Differential Electrochemical Mass Spectrometry by Möller, Sandra, Barwe, Stefan, Masa, Justus, Wintrich, Daniela, Seisel, Sabine, Baltruschat, Helmut, Schuhmann, Wolfgang

“…Carbon corrosion at high anodic potentials is a major source of instability, especially in acidic electrolytes and impairs the long‐term functionality of…”
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Powder Catalyst Fixation for Post‐Electrolysis Structural Characterization of NiFe Layered Double Hydroxide Based Oxygen Evolution Reaction Electrocatalysts by Andronescu, Corina, Barwe, Stefan, Ventosa, Edgar, Masa, Justus, Vasile, Eugeniu, Konkena, Bharathi, Möller, Sandra, Schuhmann, Wolfgang

“…Highly active electrocatalysts for the oxygen evolution (OER) reaction are in most cases powder nanomaterials, which undergo substantial changes upon applying…”
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Cobalt-metalloid alloys for electrochemical oxidation of 5-hydroxymethylfurfural as an alternative anode reaction in lieu of oxygen evolution during water splitting by Weidner, Jonas, Barwe, Stefan, Sliozberg, Kirill, Piontek, Stefan, Masa, Justus, Apfel, Ulf-Peter, Schuhmann, Wolfgang

“…The electrochemical water splitting commonly involves the cathodic hydrogen and anodic oxygen evolution reactions (OER). The oxygen evolution reaction is more…”
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Overcoming the Instability of Nanoparticle‐Based Catalyst Films in Alkaline Electrolyzers by using Self‐Assembling and Self‐Healing Films by Barwe, Stefan, Masa, Justus, Andronescu, Corina, Mei, Bastian, Schuhmann, Wolfgang, Ventosa, Edgar

“…Engineering stable electrodes using highly active catalyst nanopowders for electrochemical water splitting remains a challenge. We report an innovative and…”
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Bipolar Electrochemistry for Concurrently Evaluating the Stability of Anode and Cathode Electrocatalysts and the Overall Cell Performance during Long-Term Water Electrolysis by Eßmann, Vera, Barwe, Stefan, Masa, Justus, Schuhmann, Wolfgang

“…Electrochemical efficiency and stability are among the most important characteristics of electrocatalysts. These parameters are usually evaluated separately…”
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Doping Level of Boron-Doped Diamond Electrodes Controls the Grafting Density of Functional Groups for DNA Assays by Švorc, Ĺubomír, Jambrec, Daliborka, Vojs, Marian, Barwe, Stefan, Clausmeyer, Jan, Michniak, Pavol, Marton, Marián, Schuhmann, Wolfgang

“…The impact of different doping levels of boron-doped diamond on the surface functionalization was investigated by means of electrochemical reduction of…”
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Low Overpotential Water Splitting Using Cobalt–Cobalt Phosphide Nanoparticles Supported on Nickel Foam by Masa, Justus, Barwe, Stefan, Andronescu, Corina, Sinev, Ilya, Ruff, Adrian, Jayaramulu, Kolleboyina, Elumeeva, Karina, Konkena, Bharathi, Roldan Cuenya, Beatriz, Schuhmann, Wolfgang

“…We report a simple, facile, and safe route for preparation of cobalt–cobalt phosphide (Co/Co2P) nanoparticles and demonstrate their application as efficient…”
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Recovering activity of anodically challenged oxygen reduction electrocatalysts by means of reductive potential pulses by Medina, Danea, Löffler, Tobias, Morales, Dulce M., Masa, Justus, Bobrowski, Tim, Barwe, Stefan, Andronescu, Corina, Schuhmann, Wolfgang

“…[Display omitted] •Potential pulses prior to the ORR reactivate catalytic sites which were oxidized at high anodic potentials.•Optimisation of the pulse…”
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Enhancing the Selectivity between Oxygen and Chlorine towards Chlorine during the Anodic Chlorine Evolution Reaction on a Dimensionally Stable Anode by Wintrich, Daniela, Öhl, Denis, Barwe, Stefan, Ganassin, Alberto, Möller, Sandra, Tarnev, Tsvetan, Botz, Alexander, Ruff, Adrian, Clausmeyer, Jan, Masa, Justus, Schuhmann, Wolfgang

“…The selectivity of the chlorine evolution reaction over the oxygen evolution reaction during the electrolysis of aqueous NaCl is, despite being very high,…”
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Electrocatalytic Oxidation of 5‐(Hydroxymethyl)furfural Using High‐Surface‐Area Nickel Boride by Barwe, Stefan, Weidner, Jonas, Cychy, Steffen, Morales, Dulce M., Dieckhöfer, Stefan, Hiltrop, Dennis, Masa, Justus, Muhler, Martin, Schuhmann, Wolfgang

“…The electrochemical oxidation of the biorefinery product 5‐(hydroxymethyl)furfural (HMF) to 2,5‐furandicarboxylic acid (FDCA), an important platform chemical…”
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On the Theory of Electrolytic Dissociation, the Greenhouse Effect, and Activation Energy in (Electro)Catalysis: A Tribute to Svante Augustus Arrhenius by Masa, Justus, Barwe, Stefan, Andronescu, Corina, Schuhmann, Wolfgang

“…Svante Augustus Arrhenius (1859, Vik ‐ 1927, Stockholm) received the Nobel Prize for Chemistry in 1903 “in recognition of the extraordinary services he…”
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Influence of Ni to Co ratio in mixed Co and Ni phosphides on their electrocatalytic oxygen evolution activity by Barwe, Stefan, Andronescu, Corina, Vasile, Eugeniu, Masa, Justus, Schuhmann, Wolfgang

“…Prompted by the impact of Ni-based support materials on the intrinsic activity of electrocatalysts, we investigated the influence of partial Co substitution by…”
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Influence of Temperature and Electrolyte Concentration on the Structure and Catalytic Oxygen Evolution Activity of Nickel–Iron Layered Double Hydroxide by Andronescu, Corina, Seisel, Sabine, Wilde, Patrick, Barwe, Stefan, Masa, Justus, Chen, Yen‐Ting, Ventosa, Edgar, Schuhmann, Wolfgang

“…NiFe layered double hydroxide (LDH) is inarguably the most active contemporary catalyst for the oxygen evolution reaction under alkaline conditions. However,…”
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Optimizing the synthesis of Co/Co–Fe nanoparticles/N-doped carbon composite materials as bifunctional oxygen electrocatalysts by Medina, Danea, Barwe, Stefan, Masa, Justus, Seisel, Sabine, Schuhmann, Wolfgang, Andronescu, Corina

“…A future widespread application of electrochemical energy conversion and storage technologies strongly depends on the substitution of precious metal-based…”
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Electrocatalytic Functionalized Specialty Paper as Low‐Cost Porous Transport Layer Material in CO2‐Electrolysis by Stamatelos, Ilias, Rentzsch, Michael, Liu, Chengyu, Bauer, Franziska, Barwe, Stefan, Robert, Marc

“…The development of low‐cost and efficient electrolyzer components is crucial for practical electrochemical carbon dioxide reduction (ECR). In this study,…”
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Electrocatalytic Functionalized Specialty Paper as Low‐Cost Porous Transport Layer Material in CO 2 ‐Electrolysis by Stamatelos, Ilias, Rentzsch, Michael, Liu, Chengyu, Bauer, Franziska, Barwe, Stefan, Robert, Marc

“…Abstract The development of low‐cost and efficient electrolyzer components is crucial for practical electrochemical carbon dioxide reduction (ECR). In this…”
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Overcoming cathode poisoning from electrolyte impurities in alkaline electrolysis by means of self-healing electrocatalyst films by Barwe, Stefan, Mei, Bastian, Masa, Justus, Schuhmann, Wolfgang, Ventosa, Edgar

“…The performance of electrolyzers for hydrogen production is strongly influenced by electrolyte impurities having either a positive or negative impact on the…”
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Enhancing Electrocatalytic Activity through Liquid‐Phase Exfoliation of NiFe Layered Double Hydroxide Intercalated with Metal Phthalocyanines in the Presence of Graphene by Morales, Dulce M., Barwe, Stefan, Vasile, Eugeniu, Andronescu, Corina, Schuhmann, Wolfgang

“…Earth‐abundant transition‐metal‐based catalysts are attractive for alkaline water electrolysis. However, their catalytic properties are often limited by their…”
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High resolution, binder-free investigation of the intrinsic activity of immobilized NiFe LDH nanoparticles on etched carbon nanoelectrodes by Wilde, Patrick, Barwe, Stefan, Andronescu, Corina, Schuhmann, Wolfgang, Ventosa, Edgar

“…The determination of the intrinsic properties of nanomaterials is essential for their optimization as electrocatalysts, however it poses great challenges from…”
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Cobalt metalloid and polybenzoxazine derived composites for bifunctional oxygen electrocatalysis by Barwe, Stefan, Andronescu, Corina, Engels, Ruben, Conzuelo, Felipe, Seisel, Sabine, Wilde, Patrick, Chen, Yen-Ting, Masa, Justus, Schuhmann, Wolfgang

“…The development of bifunctional oxygen electrodes is a key factor for the envisaged application of rechargeable metal-air batteries. In this work, we present a…”
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