NH3-Utilizing Solid Oxide Fuel Cells for Green Power Generation: Impact of NH3 on Stability of Anode Components

Institut

Lehrstuhl für Energiesysteme

Typ

Masterarbeit /

Inhalt

experimentell /  

Beschreibung

Solid Oxide Fuel Cell (SOFC) technology is considered one of the most efficient energy conversion technologies. However, the highly demanding storage and transport processes of H₂ are standing as major obstacles. In this regard, NH₃ is considered to be a quite promising H₂ carrier owing to its appealing thermo-physical properties. Also, NH₃ can be directly utilized in SOFCs, which can enhance the SOFC system efficiency significantly. However, direct utilization of NH₃ in a SOFC makes the system more complicated due to the ammonia decomposition reaction. Besides, NH₃ can react with the components within anode compartment, such as mesh, separator, etc., which reportedly results in various issues regarding the performance and durability of the SOFC.

In this study, we plan to investigate the stability of the anode components of potential materials under NH₃ atmosphere. One of the objectives of the study is to determine the most stable materials of the anode components under NH₃ atmosphere. The other objective of the study is to determine the operating conditions which minimize or eliminate the impact of NH₃ on the anode components. The interaction between NH₃ and anode components will be investigated through TGA (Thermo-gravimetric Analysis). After the TGA, the microstructures of the anode components will be inspected using SEM (Scanning Electron Microscopy) and chemical characterization techniques (EDX, XRD, etc.). Eventually, the study will reveal the stability of the potential anode components, and under what conditions these components can be safely operated, which will support the development of the direct NH₃-utilizing SOFCs.

Möglicher Beginn

17.02.2025

Kontakt

Özgür Aydin, PhD
Raum: Institute for Advanced Study, Lichtenbergstraße 2 a 85748 Garching
Tel.: (089) 289 10656
ozgur.aydintum.de

Ausschreibung