A5008514210- Advancements in Solid Oxide Fuel Cells
- Fuel Cells and Related Materials
- Membrane Separation and Gas Transport
- Catalytic Processes in Materials Science
- Catalysts for Methane Reforming
- Electronic and Structural Properties of Oxides
- Catalysis and Oxidation Reactions
- Catalysis and Hydrodesulfurization Studies
- Thermal Expansion and Ionic Conductivity
- Chemical Looping and Thermochemical Processes
- Extraction and Separation Processes
- Ammonia Synthesis and Nitrogen Reduction
- Semiconductor materials and devices
- Magnetic and transport properties of perovskites and related materials
- Nuclear materials and radiation effects
- Hybrid Renewable Energy Systems
- Molten salt chemistry and electrochemical processes
- Electrocatalysts for Energy Conversion
- Hydrogen Storage and Materials
- Membrane-based Ion Separation Techniques
- Gas Sensing Nanomaterials and Sensors
- Ionic liquids properties and applications
- Carbon Dioxide Capture Technologies
- Luminescence Properties of Advanced Materials
- Advanced Battery Technologies Research
Forschungszentrum Jülich
2015-2024
Sechenov University
2024
Academy of the State Fire Service EMERCOM of Russia
2024
Technical University of Košice
2023
University of Prešov
2023
Robert Bosch (Germany)
2023
Stadtwerke Jülich (Germany)
2015-2020
Jülich Aachen Research Alliance
2017-2019
Heidelberg University
2013
Slovak Academy of Sciences
2010
Ion-conducting ceramic membrane reactors offer an opportunity to combine separation processes directly with chemical reactions, leading process intensification and, hence, benefits regard efficiency. Current research activities focus on due their high intrinsic efficiency and great potential for the production of a large variety commodity chemicals, energy carriers, synthetic fuels. This includes reduction CO2 emissions utilisation CO2. In this review, different concepts principles reactor...
Abstract La 5.5 WO 11.25− δ is a proton‐conducting oxide that shows high protonic conductivity, sufficient electronic and stability in moist CO 2 environments. However, the H flows achieved to date when using membranes are still below threshold for practical application industrial processes. With aim of improving flow obtained with this material, was doped W position by Re Mo; chosen stoichiometry 0.8 M 0.2 O . This work presents electrochemical characterization these two compounds under...
Successful synthesis of a ceramic-supported ultrathin carbon membrane with unprecedently high hydrogen permeance and outstanding H<sub>2</sub>/CO<sub>2</sub>, H<sub>2</sub>/N<sub>2</sub> H<sub>2</sub>/CH<sub>4</sub> selectivities at elevated temperatures.
Mixed proton–electron conductors (MPEC) can be used as gas separation membranes to extract hydrogen from a stream, for example, in power plant. From the different MPEC, ceramic material lanthanum tungstate presents an important mixed protonic–electronic conductivity. Lanthanum La6–xWO12–y (with y = 1.5x + δ and x 0.5–0.8) compounds were prepared with La/W ratios between 4.8 6.0 sintered at temperatures 1300 1500 °C order study dependence of single-phase formation region on ratio temperature....
Proton conducting Ba(Zr<sub>0.5</sub>Ce<sub>0.4</sub>)<sub>8/9</sub>Y<sub>0.2</sub>O<sub>2.9</sub> is employed as a potential steam electrolysis electrolyte for hydrogen production at intermediate temperature.
Hydrogen permeation membranes are a key element in improving the energy conversion efficiency and decreasing greenhouse gas emissions from generation. The scientific community faces challenge of identifying optimizing stable effective ceramic materials for H2 separation at elevated temperature (400-800 °C) industrial separations intensified catalytic reactors. As such, composite with nominal composition BaCe0.8Eu0.2O3-δ:Ce0.8Y0.2O2-δ revealed unprecedented levels 0.4 to 0.61 mL·min-1·cm-2...
Ceramic proton-conducting electrolytes are highly appealing for large-scale hydrogen production via steam electrolysis at low to moderate temperatures. However, processing such industrial purposes poses several challenges. Our research...
The structural and transport properties as well the chemical stability of a series proton-conducting oxides based on yttrium-doped barium zirconate were investigated. Specifically, Pr-, Fe- Mn-doped BaZr1-x-yYxMyO3-δ compounds prepared by solid state reaction. compound exhibiting highest total protonic conductivity at elevated temperatures under reducing atmospheres was BaZr0.8Y0.15Mn0.05O3-δ. Temperature-programmed reduction experiments revealed particular redox behavior related to...
La5.4WO12−δ (LaWO) is a promising membrane candidate for variety of H2-related applications due to its appreciable levels mixed proton–electron conduction and stability in moist reducing atmospheres at elevated temperatures. Governed by Wagner theory, the H2 permeation performance can be enhanced thickness. Therefore, present work deals with preparing LaWO supported membranes reduced thickness optimised microstructure. Combining dense porous supporting layer associated mismatched sintering...
Steam electrolysis constitutes a prospective technology for industrial-scale hydrogen production. The use of ceramic proton-conducting electrolytes is beneficial option lowering the operating temperature. However, significant challenge with this type electrolyte has been upscaling robust planar devices. fabrication such multi-layered devices, usually via tape casting process, requires careful control individual layers' shrinkages to prevent warping and cracks during sintering. present work...
We show manufacturing of 25 cm 2 BZCY half-cells by tape-casting assemblies with electrolyte thickness 10–20 μm. BaY NiO 5 transient liquid phase formation is analysed and proton conductivity values σ = 0.003 S −1 at 600 °C shown.
Innovations in materials science are the key element for solving technological challenges. Various energy and environmental applications require designing with tailored compositions, microstructures specific target-oriented performance. Y Mn co-substituted BaZrO3, e.g. BaZr0.85Y0.15Mn0.05O3-δ, has previously attracted attention as a membrane material H2 separation from gas mixtures due to its mixed proton-electron conductivity leading appreciable levels of H2-flux at elevated temperatures...
Using experimental data available in the literature auto-ignition temperature of saturated and unsaturated hydrocarbons with different molecular structures is analyzed. Based on modern research oxidation at high temperatures, connection between chemical structure, bond strength molecule radical mechanisms processes shown. It noted that branching molecules contributes to self-ignition increase, is, an increase their composition methyl groups, tertiary quaternary carbon atoms located nearby...
Acceptor-substituted Ba(Zr,Ce)O
Matrix metalloproteinases (MMPs) are enzymes that play an important role in degradation and remodeling of extracellular matrix MMP-2 has been also shown as a primary mediator the acute mechanical dysfunction heart immediately after ischemia/reperfusion (I/R).The aims study were to investigate influence I/R on effects wortmannin modulation activities cycle short procedures (ischemic preconditioning, IP).Wortmannin is specific inhibitor PI3K/Akt kinase pathway activation which was found...