A novel micro-solid oxide fuel cell (μ-SOFC) for detecting methane content in biogas

A novel micro-solid oxide fuel cell ( μ -SOFC), with a rectangular saw-tooth shape, was designed with a 50 wt% BYCF + 50 wt % GDC 10 cathode and a 60 wt% NiO + 40 wt % GDC 10 anode deposited on a GDC 10 electrolyte substrate by the spray pyrolysis technique. μ -SOFC receives methane only ( CH 4 ) as...

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Bibliographic Details
Published in:Bulletin of materials science 2019-06, Vol.42 (3), p.129, Article 129
Main Authors: Phaijit, S, Suklueng, M, Marthosa, S, Niyomwas, S, Voo, N Y, Kumar, A
Format: Article
Language:English
Subjects:
Biogas
Chemical reactions
Chemistry and Materials Science
Electrolytes
Engineering
Fuel cells
Gases
High temperature
Materials Science
Methane
Microstructure
Particle size
Polyvinyl alcohol
Sensors
Solid oxide fuel cells
Spectrum analysis
Spray pyrolysis
Substrates
Temperature
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Summary:A novel micro-solid oxide fuel cell ( μ -SOFC), with a rectangular saw-tooth shape, was designed with a 50 wt% BYCF + 50 wt % GDC 10 cathode and a 60 wt% NiO + 40 wt % GDC 10 anode deposited on a GDC 10 electrolyte substrate by the spray pyrolysis technique. μ -SOFC receives methane only ( CH 4 ) as fuel gas from one side. The fuel gas was applied at a flow rate of 0.2 l min - 1 . The power density obtained was 1.0 μ W at 800 ∘ C . Voltage levels generated by the μ -SOFC at 40–99.99% CH 4 was highly accurate representing the quantity of CH 4 . Low accuracy was observed at 10–30% of CH 4 . Therefore, μ -SOFC is an application of SOFC technology to be a sensor for economically detecting CH 4 in a biogas system, while being capable of operating in humid conditions at high temperatures.
ISSN:0250-4707
0973-7669
DOI:10.1007/s12034-019-1789-1