Structural and Transportation Properties of Strontium Titanate Composites with Ion Conductive Oxides
Journal Title: Acta Energetica - Year 2016, Vol 27, Issue 2
Abstract
This paper has been written based on the author’s doctoral dissertation “Structural and transportation properties of strontium and titanate composites with ion conductive oxides”, prepared under the supervision of Prof. Dr. Hab. Eng. Bogusław Kusz at the Department of Solid State Physics of Gdańsk University of Technology. It reports the idea of the thesis and conclusions from the study. Niobium doped strontium titanate (Sr(Ti,Nb)O3) composites with selected ion conductive oxides (yttrium oxide-stabilized zirconium oxide YSZ and cerium oxide CeO2) were developed for the dissertation and their properties examined.. It was shown that Sr(Ti,Nb)O3-YSZ composite as the anode in an oxide fuel cell leads to its improved performance compared to a cell with a single-phase Sr(Ti,Nb)O3 anode. Microscopic observation confirmed that Sr(Ti,Nb)O3-YSZ composite as the functional layer between a Sr(Ti,Nb)O3 anode and YSZ electrolyte mitigates the problem of the composite anode’s delamination from the electrolyte surface. It was also shown that an appropriate modification of the Sr(Ti,Nb)O3-YSZ composite anode surface structure by infusing the process of hydrogen’s electrochemical oxidation with a catalyst (e.g. with nickel) can lead to further improvement of the fuel cell performance.
Authors and Affiliations
Beata Bochentyn
Keywords
Related Articles
- EP ID EP199596
- DOI 10.12736/issn.2300-3022.2016202
- Views 55
- Downloads 0
Application of AHP Method for Comparing the Criteria Used in Lo-cating Wind Farms
The article presents a description and comparison of criteria used for choosing the location of a wind farm. The criteria include measurements of wind kinetic energy on a given location, location of wind turbines, locati...
Experimental Study of Higher Harmonics Content in Street Lighting System Current
Due to energy efficiency improvement requirements, street lighting system operators tend to reduce the electricity consumed by the lights themselves, and also minimize losses in the system. Smart lighting control systems...
Pseudo-random Simulation of Synchronous Interconnections of Polish and German 110 kV Grids
The is a study of the power supply of a separated portion of a 110 kV grid on the Polish side from the German 110 kV grid. The Polish and German power systems are interconnected by exchange lines on the level of 400 kV a...
The Concept of a Methodology for Selecting the Optimal Parameters of Heat Received from a Nuclear Power Plant Operating in a Partial Cogeneration Mode
The paper presents the concept of the objective function which is to allow the selection of optimal parameters of the district heating system using a nuclear power plant operating in partial cogeneration mode. The concep...
GIS and AMI Systems as Sources of Data to Improve Grid Operation Efficiency, the Results of a Pilot Study
New Smart Grid technologies allow increasing grid observability and using data for the implementation of new analytical tools. By integrating the available data, the grid management paradigm can be changed, and grid effe...