Abstract
Under the ARPA-E REBELS program, the Colorado School of Mines (CSM), together with industrial partner Fuel Cell Energy/Versa Power Systems (FCE/VPS) have advanced protonic ceramic fuel cell (PCFC) technology from the small (<1 cm2) laboratory button-cell scale to the large-area (81 cm2) industrial manufacturing scale utilizing low-cost, volume-qualified processes. Presently, the team is pursuing the world’s first demonstration of a large-area, ~500W-1kW natural gas-fueled PCFC stack prototype by leveraging these large-area cells with FCE’s low-cost Compact Stack Architecture (CSA). Our progress towards key scale-up demonstration goals is summarized in Table 1. In this presentation, we review the progress and major learnings achieved during this scale-up initiative. We highlight several areas where important technological and scientific risks have been mitigated, as well as areas where key questions remain to be addressed. Finally, preliminary techno-economic analysis and potential market opportunities for PCFC technology will be presented and discussed. Figure 1
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