- Hydrogen embrittlement and corrosion behaviors in metals
- Hydrogen Storage and Materials
- Nuclear Materials and Properties
- Ammonia Synthesis and Nitrogen Reduction
- Clay minerals and soil interactions
- High-Temperature Coating Behaviors
- Advancements in Solid Oxide Fuel Cells
- Advanced Materials Characterization Techniques
- Iron oxide chemistry and applications
- Fusion materials and technologies
- Membrane-based Ion Separation Techniques
- Nanoparticle-Based Drug Delivery
- Corrosion Behavior and Inhibition
Leibniz Institute for Plasma Science and Technology
2023-2024
University of Rostock
2019
Hydrogen barrier coatings are protective layers consisting of materials with a low intrinsic hydrogen diffusivity and solubility, showing the potential to delay, reduce or hinder permeation. expected enable steels, which susceptible embrittlement, specifically cost-effective alloy-steels light-weight high-strength for applications in economy. Predominantly, ceramic coating have been investigated this purpose, including oxides, nitrides carbides. In review, state art respect permeation is...
Abstract Amorphous alumina coatings, intended as hydrogen barriers, were successfully deposited on Fe-8 wt% Cr substrates by plasma ion-assisted deposition technique. The amorphous structure of the coatings was confirmed transmission electron microscopy and X-ray diffraction. interfacial mechanical properties coating-substrate system evaluated using an in-house custom-designed backside electrochemical charging method. In this approach, substrate side faces electrolyte (hydrogen entry side)...
This review aims to evaluate the state‐of‐the‐art in purifying hydrogen from green ammonia. Green ammonia contains 17.8% of H 2 and enables efficient liquid storage transport produced renewable electricity. Back‐conversion may be carried out by several routes, whereby thermal cracking is one most approaches. In conversion at high pressures, it only possible achieve complete very temperatures (≈800 °C). Therefore, separation low percentage range (e.g., <0.001%) an important task. For...
Investigating the polyol-assisted synthesis of maghemite nanoflowers, a strong impact iron precursor stoichiometry on physical properties is found.
Hydrogen barrier coatings are important for future hydrogen economy to enable materials applications in tanks. In the present study, consisting of amorphous Al 2 O 3 (≈100 nm) synthesized by plasma ion‐assisted deposition on top crystalline metallic exposed 300 bar pressure at 673 K 6 days. This is done mimic and accelerate conditions storage containers hydrides. They remain intact after such harsh conditions, although changes do occur. Blister‐like features observed a buckled oxide layer...
Mixed ionic electronic conductor (MIEC) membranes provide a great route for introducing oxygen to combustion and reforming processes of new fuels such as green ammonia. Ba 0.5 Sr Co 0.8 Fe 0.2 O 3- δ (BSCF) is known be one the most widely utilized perovskite material applied transport membrane, it possesses elevated permeability up 7 ml(STP)·min -1 ·cm -2 at temperature range 850-900°C. Application thin MIEC films thicknesses around 500 nm – 5 µm allow reduction Ohmic resistance sufficient...