Search Results - "Hnát, Jaromír"

Electrocatalysts for the oxygen evolution reaction in alkaline and neutral media. A comparative review by Plevová, Michaela, Hnát, Jaromír, Bouzek, Karel

“…Hydrogen can be produced in a clean way from water by its electrochemical splitting. Water electrolysis consists of two half-reactions, of which the oxygen…”
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Electrocatalysts for the hydrogen evolution reaction in alkaline and neutral media. A comparative review by Ďurovič, Martin, Hnát, Jaromír, Bouzek, Karel

“…With interest in renewable energy sources and in the decarbonisation of industry rapidly accelerating, alkaline water electrolysis can now be regarded as a key…”
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Mass transfer limitation phenomena across the separator in a zero-gap alkaline water electrolysis stack: Anion-selective polymer electrolyte membrane vs. Zirfon™ Perl UTP 500 case study by Denk, Karel, Kodým, Roman, Hnát, Jaromír, Paidar, Martin, Turek, Thomas, Bouzek, Karel

“…[Display omitted] •Impact of reduced KOH concentration on the (M)AWE performance followed.•Charge and mass transport limitations in (M)AWE analysed.•Porous…”
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Development and testing of a novel catalyst-coated membrane with platinum-free catalysts for alkaline water electrolysis by Hnát, Jaromír, Plevova, Michaela, Tufa, Ramato Ashu, Zitka, Jan, Paidar, Martin, Bouzek, Karel

“…A stable, platinum-free catalyst-coated anion-exchange membrane with a promising performance for alkaline water electrolysis as an energy conversion technology…”
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Anion-selective materials with 1,4-diazabicyclo[2.2.2]octane functional groups for advanced alkaline water electrolysis by Hnát, Jaromír, Plevová, Michaela, Žitka, Jan, Paidar, Martin, Bouzek, Karel

“…In this study a novel alkaline polymer electrolyte membrane is presented, based on polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene (PSEBS)…”
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Efficient cathode for the hydrogen evolution reaction in alkaline membrane water electrolysis based on NiCoP embedded in carbon fibres by Ďurovič, Martin, Hnát, Jaromír, Strečková, Magdaléna, Bouzek, Karel

“…Porous carbon nano/microfibres (PCFs) modified by NiCoP nanoparticles (NiCoP/CF) were tested as gas diffusion cathodes in a zero-gap alkaline water…”
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Optimization of the membrane electrode assembly for an alkaline water electrolyser based on the catalyst-coated membrane by Plevová, Michaela, Hnát, Jaromír, Žitka, Jan, Pavlovec, Lukáš, Otmar, Miroslav, Bouzek, Karel

“…This study deals with the preparation and characterisation of catalyst-coated membranes for an alkaline water electrolysis process. For this purpose, a…”
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Synthesis and characterization of NiFe2O4 electrocatalyst for the hydrogen evolution reaction in alkaline water electrolysis using different polymer binders by Chanda, Debabrata, Hnát, Jaromír, Paidar, Martin, Schauer, Jan, Bouzek, Karel

“…NiFe2O4 electrocatalyst for the hydrogen evolution reaction (HER) has been synthesized using the co-precipitation method of the respective metal ions from…”
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Optimization of synthesis of the nickel-cobalt oxide based anode electrocatalyst and of the related membrane-electrode assembly for alkaline water electrolysis by Chanda, Debabrata, Hnát, Jaromir, Bystron, Tomas, Paidar, Martin, Bouzek, Karel

“…In this work, the Ni-Co spinel oxides are synthesized via different methods and using different calcination temperatures. Properties of the prepared materials…”
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Salinity gradient power reverse electrodialysis: Cation exchange membrane design based on polypyrrole-chitosan composites for enhanced monovalent selectivity by Tufa, Ramato Ashu, Piallat, Théo, Hnát, Jaromir, Fontananova, Enrica, Paidar, Martin, Chanda, Debabrata, Curcio, Efrem, di Profio, Gianluca, Bouzek, Karel

“…[Display omitted] •PyCS composite used for surface modification of CEMs by chemical polymerization.•Membrane properties vary with Py concentration exhibiting…”
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Hydrogen production from industrial wastewaters: An integrated reverse electrodialysis - Water electrolysis energy system by Tufa, Ramato Ashu, Hnát, Jaromír, Němeček, Michal, Kodým, Roman, Curcio, Efrem, Bouzek, Karel

“…This work presents a novel approach combining reverse electrodialysis (RED) and alkaline polymer electrolyte water electrolysis (APWEL) for renewable hydrogen…”
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Pre-swelling of FAA3 membranes with water-based ethylene glycol solution to minimize dimensional changes after assembly into a water electrolyser: Effect on properties and performance by Najibah, Malikah, Kong, Jimin, Khalid, Hamza, Hnát, Jaromír, Park, Hyun S., Bouzek, Karel, Henkensmeier, Dirk

“…Stability of membranes in electrolysers is challenged by dimensional changes, when dry membranes are assembled and wetted when the electrolyser starts…”
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PPS-reinforced poly(terphenylene) anion-exchange membranes with different quaternary ammonium groups for use in water electrolysers by Najibah, Malikah, Hnát, Jaromír, Plevová, Michaela, Dayan, Asridin, Stojadinovic, Jelena, Žitka, Jan, Bae, Chulsung, Bouzek, Karel, Henkensmeier, Dirk

“…The nature, concentration and spatial distribution of quaternary ammonium (QA) groups is instrumental for the performance of anion exchange membranes,…”
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PBI nanofiber mat-reinforced anion exchange membranes with covalently linked interfaces for use in water electrolysers by Najibah, Malikah, Tsoy, Ekaterina, Khalid, Hamza, Chen, Yongfang, Li, Qingfeng, Bae, Chulsung, Hnát, Jaromír, Plevová, Michaela, Bouzek, Karel, Jang, Jong Hyun, Park, Hyun S., Henkensmeier, Dirk

“…Anion exchange membranes (AEM) are key components in anion exchange membrane water electrolysers. Recently developed materials are less susceptible to the…”
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Microporous Electrode Binders for Anion Exchange Membrane Water Electrolyzers by Khalid, Hamza, Plevová, Michaela, Bui, Trung Tuyen, Najibah, Malikah, Hnát, Jaromír, Bouzek, Karel, Henkensmeier, Dirk

“…In anion exchange membrane (AEM) water electrolyzers, AEMs separate hydrogen and oxygen, but should efficiently transport hydroxide ions. In the electrodes,…”
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Salinity gradient power-reverse electrodialysis and alkaline polymer electrolyte water electrolysis for hydrogen production by Tufa, Ramato Ashu, Rugiero, Elisabetta, Chanda, Debabrata, Hnàt, Jaromir, van Baak, Willem, Veerman, Joost, Fontananova, Enrica, Di Profio, Gianluca, Drioli, Enrico, Bouzek, Karel, Curcio, Efrem

“…In this work, innovative use of Salinity Gradient Power (SGP) as renewable energy source for indirect production of hydrogen is addressed. A lab-scale reverse…”
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Polymer anion-selective membrane for electrolytic water splitting: The impact of a liquid electrolyte composition on the process parameters and long-term stability by HNAT, Jaromír, PAIDAR, Martin, SCHAUER, Jan, BOUZEK, Karel

“…In the present study the impact of KOH replacement by a NaHCO sub(3) or Na sub(2)CO sub(3) solution on the performance of alkaline water electrolysis and the…”
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Anionic catalyst binders based on trimethylamine-quaternized poly(2,6-dimethyl-1,4-phenylene oxide) for alkaline electrolyzers by Schauer, Jan, Hnát, Jaromír, Brožová, Libuše, Žitka, Jan, Bouzek, Karel

“…Poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) was brominated under the conditions of radical mechanism and subsequently quaternized with trimethylamine. Flat…”
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Investigation of electrocatalytic activity on a N-doped reduced graphene oxide surface for the oxygen reduction reaction in an alkaline medium by Chanda, Debabrata, Dobrota, Ana S., Hnát, Jaromir, Sofer, Zdenek, Pašti, Igor A., Skorodumova, Natalia V., Paidar, Martin, Bouzek, Karel

“…Today the search for new energy resources is a crucial topic for materials science. The development of new effective catalysts for the oxygen reduction…”
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Cycloaliphatic Quaternary Ammonium Functionalized Poly(oxindole biphenyl) Based Anion-Exchange Membranes for Water Electrolysis: Stability and Performance by Gjoshi, Sara, Loukopoulou, Paraskevi, Plevova, Michaela, Hnat, Jaromir, Bouzek, Karel, Deimede, Valadoula

“…Mechanically robust anion-exchange membranes (AEMs) with high conductivity and long-term alkali resistance are needed for water electrolysis application. In…”
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