LAPSE:2023.15405
Published Article
LAPSE:2023.15405
Influence of the Contamination of Fuel with Fly Ash Originating from Biomass Gasification on the Performance of the Anode-Supported SOFC
March 2, 2023
Abstract
The integration of solid oxide fuel cells (SOFCs) with biomass gasification reactors raises the possibility of solid particle contamination of the gaseous fuel entering the cell. Technical specifications from SOFC manufacturers, among other sources, claim that SOFCs do not tolerate the presence of solid particles in fuel. However, there is very limited literature on the experimental investigation of feeding SOFCs with particulate matter aerosols. In this study, a standard 5 × 5 cm anode-supported SOFC was fueled by two types of aerosols, namely, (1) inert powder of grain sizes and concentration equivalent to gasifier fly ash and (2) a real downdraft gasifier fly ash, both suspended in a gaseous fuel mixture. For reference, cells were also investigated with a dust-free fuel gas of the same composition. A straightforward negative influence of the inert powder aerosol could not be confirmed in experiments with a duration of 6 days. That said, the introduction of carbonaceous fly ash aerosol caused slow but irreversible damage to the SOFC. The degradation mechanisms were studied, and the presence of carbon-containing particles was found to clog the pores of the SOFC anode. The maximum measured power density of the SOFC equaled 855 mW/cm2 (850 °C, reference fuel). Feeding inert aerosol fuel caused no rapid changes in power density. A moderate drop in performance was observed throughout the experiment. The contamination of fuel with fly ash resulted in an initial performance gain and a ca. 25% performance drop longer term (43 h of contamination). Post-mortem analysis revealed contamination on the walls of the gas channels, with some visible alumina or fly ash spots in the anode area.
The integration of solid oxide fuel cells (SOFCs) with biomass gasification reactors raises the possibility of solid particle contamination of the gaseous fuel entering the cell. Technical specifications from SOFC manufacturers, among other sources, claim that SOFCs do not tolerate the presence of solid particles in fuel. However, there is very limited literature on the experimental investigation of feeding SOFCs with particulate matter aerosols. In this study, a standard 5 × 5 cm anode-supported SOFC was fueled by two types of aerosols, namely, (1) inert powder of grain sizes and concentration equivalent to gasifier fly ash and (2) a real downdraft gasifier fly ash, both suspended in a gaseous fuel mixture. For reference, cells were also investigated with a dust-free fuel gas of the same composition. A straightforward negative influence of the inert powder aerosol could not be confirmed in experiments with a duration of 6 days. That said, the introduction of carbonaceous fly ash aerosol caused slow but irreversible damage to the SOFC. The degradation mechanisms were studied, and the presence of carbon-containing particles was found to clog the pores of the SOFC anode. The maximum measured power density of the SOFC equaled 855 mW/cm2 (850 °C, reference fuel). Feeding inert aerosol fuel caused no rapid changes in power density. A moderate drop in performance was observed throughout the experiment. The contamination of fuel with fly ash resulted in an initial performance gain and a ca. 25% performance drop longer term (43 h of contamination). Post-mortem analysis revealed contamination on the walls of the gas channels, with some visible alumina or fly ash spots in the anode area.
Record ID
Keywords
Biomass, contamination, fly ash, gasifier, poisoning, SOFC
Subject
Suggested Citation
Skrzypkiewicz M, Wierzbicki M, Jagielski S, Naumovich Y, Motylinski K, Kupecki J, Zurawska A, Kosiorek M. Influence of the Contamination of Fuel with Fly Ash Originating from Biomass Gasification on the Performance of the Anode-Supported SOFC. (2023). LAPSE:2023.15405
Author Affiliations
Skrzypkiewicz M: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland
Wierzbicki M: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland; The Faculty of
Jagielski S: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland; The Faculty of
Naumovich Y: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland [ORCID]
Motylinski K: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland; The Faculty of
Kupecki J: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland
Zurawska A: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland
Kosiorek M: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland; The Faculty of
Wierzbicki M: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland; The Faculty of
Jagielski S: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland; The Faculty of
Naumovich Y: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland [ORCID]
Motylinski K: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland; The Faculty of
Kupecki J: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland
Zurawska A: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland
Kosiorek M: Department of High Temperature Electrochemical Processes (HiTEP), Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland; CTH2—Center for Hydrogen Technologies, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland; The Faculty of
Journal Name
Energies
Volume
15
Issue
4
First Page
1469
Year
2022
Publication Date
2022-02-17
ISSN
1996-1073
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PII: en15041469, Publication Type: Journal Article
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LAPSE:2023.15405
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https://doi.org/10.3390/en15041469
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