The flame fuel cell(FFC)is a novel kind of solid oxide fuel cell,which direct combines the fuel-rich flame and the SOFC.The FFC is a promising technology for small scale natural gas distributed power systems and mobile applications due to its simple setup,wide fuel flexibility and rapid start-up.The working principles and research status of the FFC were introduced at first.Then,the progress made on FFCs were reviewed from aspects of fuel-rich combustion characteristics,the cell performance in fuel-rich flames,as well as the stack integration and system analysis.At last,the development trends of FFCs were forecasted by discussing the super-high temperature fuel cells,the degradation mechanisms,and system scale-up issues.
flame fuel cellfuel-rich combustionthermal shock resistancedistributed power sys-tem
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