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In situ study of a composition of outlet gases from biogas fuelled Solid Oxide Fuel Cell performed by the Fourier Transform Infrared Spectroscopy
Abstract
The purpose of this study was to develop a method and software based on the Fourier Transform Infrared Spectroscopy for the in-situ, quantitative analysis of the composition of outlet gases from Solid Oxide Fuel Cell (SOFC). The calibration procedure performed at the beginning of the experiment indicated a polynomial dependence between the concentration of a calibrating gas (CO, CO2, CH4) and the corresponding integrated absorbance in particular wavenumber ranges. Further, it allowed determining a concentration of CO2, CO, CH4 and H2 in the outlet gas stream of the Ni-YSZ anode supported Direct Internal Reforming-SOFC fuelled by synthetic biogas (mixture of CO2 and CH4 in a volume ratio 2:3). The analysis was performed for over 90 h. Based on calculated concentration the conversion rates for both CH4 and CO2 gases were calculated, as well as the yields and selectivities of CO and H2. Also, the carbon balance was determined. In order to predict the direction of particular reforming reactions, a non-equilibrium analysis was performed. Namely, a thermodynamic probability of solid carbon formation was determined based on calculations of carbon activity coefficients. Obtained results indicated degradation of a fuel cell and corresponded well with electrical measurements where a decrease of power density in wet synthetic biogas was observed.
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Authors (5)
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Sea-Fue Wang
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
no. 44,
pages 13864 - 13874,
ISSN: 0360-3199 - Language:
- English
- Publication year:
- 2019
- Bibliographic description:
- Chlipała M., Błaszczak P., Wang S., Jasiński P., Bochentyn B.: In situ study of a composition of outlet gases from biogas fuelled Solid Oxide Fuel Cell performed by the Fourier Transform Infrared Spectroscopy// INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. -Vol. 44, iss. 26 (2019), s.13864-13874
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ijhydene.2019.03.243
- Verified by:
- Gdańsk University of Technology
Referenced datasets
- dataset Equilibrium constants (Keq) of reforming reactions
- dataset Electrical measurement data for SOFC fueled by H2 and biogas mixture at 750 C
- dataset Methane (CH4) calibration set of FTIR spectra
- dataset Euilibrium composition of CH4-CO2-CO-H2-H2O-C system under biogas reforming conditions
- dataset Carbon (II) oxide (CO) calibration set of FTIR spectra
- dataset Change of catalytic parameters for SOFC fueled by H2 and biogas mixture at 750 C
- dataset Change of reaction quotients for SOFC fueled by biogas mixture at 750 C
- dataset Carbon balance of SOFC fueled by biogas mixture at 750 C
- dataset Carbon dioxide (CO2) calibration set of FTIR spectra
- dataset Change of exhaust gases concentration for SOFC fueled by H2 and biogas mixture at 750 C
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