Title:
Experimental Analysis of a Solid Oxide Fuel Cell Stack Coupled with Biomass Gasification
Author(s):
Gadsbøll, R., Thomsen, J., Bang-Møller, C., Nygaard, C., Tomaszewski, A., Ahrenfeldt, J., Henriksen, U.
Document(s):
Paper
Slide presentation
Abstract:
Thermal gasification and solid oxide fuel cell (SOFC) technologies represent an interesting combination for power generation, as high fuel flexibility and high electric efficiencies are expected. The TwoStage gasifier is a high-efficient downdraft gasifier fueled by wood chips that produces a very clean product gas with virtually no tar. This study operated an 800 We SOFC stack with product gas from the TwoStage gasifier for a total of 145 hours. Only minimal gas conditioning was used, including a bag filter, carbon filter, humidifier and desulphuriser. The obtained results show excellent part-load performance at 55% flow for the SOFC, with no loss in efficiency. High SOFC electric efficiencies up to 46.4% were measured at a fuel utilisation up to 90%, the highest reported values of such a system. The gasifier-SOFC system efficiency was estimated to 38-43%. No significant losses in SOFC performance were observed during the hours of operation.
Keywords:
bioenergy, gasification, power generation, fuel cell
Topic:
Biomass Conversion Technologies for Heating, Cooling and Electricity
Subtopic:
Gasification for power, CHP and polygeneration
Event:
23rd European Biomass Conference and Exhibition
Session:
2CO.2.5
Pages:
555 - 561
ISBN:
978-88-89407-516
Paper DOI:
10.5071/23rdEUBCE2015-2CO.2.5
Price:
FREE
