Large MWe class molten carbonate fuel cell (MCFC) power generation systems have been successfully operated on a variety of fossil and renewable fuels. The technology offers significant improvement in achieving higher chemical to electrical conversion efficiency while reducing carbon foot print and stack pollutants (SOx, NOx, PM’s, VOC). Recent advances in MCFC technology will be reviewed. Cell electrochemistry, electrode processes and basis for the selection of component materials (cell, stack and balance of plant) will be presented. Solid-melt-gas interactions representative of anodic and cathodic exposure conditions will be examined in context of hardware metal corrosion and electrolyte matrix structural changes. Thermochemical analysis of the role of melt and gas chemistry on the accelerated corrosion, oxide fluxing and metal loss will be presented and approaches for corrosion protection will be discussed. Ostwald ripening and oriented growth mechanisms for the electrolyte matrix structural and chemical changes will be presented.<br/>

Solid-melt-gas interactions in molten carbonate fuel cell (MCFC)

2019 Fall National Meeting

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