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Segmented-in-series solid oxide fuel cells with relatively short cell lengths of 1.4mm were fabricated with varying LSM cathode current collector thicknesses. Increasing the LSM thickness from 11 to 91μm yielded a factor of 2–3 area-specific resistance decrease and a similar power density increase. The maximum power density measured at 800°C was 0.53Wcm −2 calculated based on total array area...
This paper describes calculations of the electrical losses in patterned series-connected solid oxide fuel cells (SOFCs), i.e. the “segmented-in-series” configuration. Losses due to cell resistances, electrode ohmic resistances, interconnect resistance, and shunting by a weakly-conductive support material were considered. For any given set of cell dimensions and characteristics, power density was maximized...
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