- Title
- Gas atmosphere effects over the anode compartment of a tubular direct carbon fuel cell module
- Creator
- Glenn, Michael; Mathan, Bobby; Islam, Md Monirul; Beyad, Yaser; Allen, Jessica A.; Donne, Scott W.
- Relation
- Energy & Fuels Vol. 33, Issue 8, p. 7901-7907
- Publisher Link
- http://dx.doi.org/10.1021/acs.energyfuels.9b01727
- Publisher
- American Chemical Society
- Resource Type
- journal article
- Date
- 2019
- Description
- This study examines the performance of a tubular direct carbon fuel cell (DCFC) with varying gas atmosphere. DCFC performance is higher under a CO2 atmosphere when compared with a N2 atmosphere, where mass transport limitations in the anode compartment and the additional two-electron oxidation pathway from CO contribute. This hypothesis is verified by comparing the slurry arrangement to a solid working anode where mass transport is not required. In order to maximize the carbon utilization efficiency, operating below the thermodynamic temperature limit for reverse Boudouard gasification (700 °C) is recommended with agitation in slurry-based systems. For a maximum power output, operating under CO2 at higher temperatures (>800 °C) and passing the CO containing flue gas over an oxygen reduction cathode achieve optimal results.
- Subject
- coal; inorganic carbon compounds; fuels; power; electrodes; SDG 7; Sustainable Development Goals
- Identifier
- http://hdl.handle.net/1959.13/1463057
- Identifier
- uon:46626
- Identifier
- ISSN:0887-0624
- Language
- eng
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