A fluidized bed direct carbon fuel cell was employed to achieve direct conversion of solid fuels into electricity.Power was generated from pulverized Lower Kittanning ͑bituminous͒ coal, synthetic carbon, and biomass in a single process step.Currentvoltage characteristics exhibited typical fuel cell behavior.Fluidization in flowing CO 2 overcomes the difficulty of attaining solid fuel-to-anode contact and generates CO in situ via the Boudouard reaction.A mechanistic reaction pathway is proposed for anodic oxidation of the solid fuel.Conversion was verified by gas analysis of oxidation products in the flue stream and by oxygen mass balance.
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Lee et al. (2007) studied this question.
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