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Harvesting waste heat from molten carbonate fuel cells for bifunction applications
A generic combined system composed primarily of a molten carbonate fuel cell (MCFC) and an absorption cycle is proposed, in which the absorption cycle can operate as either an absorption heat pump (AHP) for heat amplification or an absorption refrigerator (APR) for cooling applications. The equivalent power output and efficiency expressions for the combined system are formulated by considering various electrochemical-thermodynamic irreversible losses within and between each subsystem. As a result, the generic performance characteristics are revealed, and the optimum criteria are determined. When the absorption cycle operates as an AHP or an APR, the maximum achievable power densities of the combined system are 21.23% and 10.2% higher than those of a single MCFC, respectively. Furthermore, comprehensive parametric studies are performed to show the dependency of the combined system performance on some of the important operating conditions and composite parameters.
Harvesting waste heat from molten carbonate fuel cells for bifunction applications
A generic combined system composed primarily of a molten carbonate fuel cell (MCFC) and an absorption cycle is proposed, in which the absorption cycle can operate as either an absorption heat pump (AHP) for heat amplification or an absorption refrigerator (APR) for cooling applications. The equivalent power output and efficiency expressions for the combined system are formulated by considering various electrochemical-thermodynamic irreversible losses within and between each subsystem. As a result, the generic performance characteristics are revealed, and the optimum criteria are determined. When the absorption cycle operates as an AHP or an APR, the maximum achievable power densities of the combined system are 21.23% and 10.2% higher than those of a single MCFC, respectively. Furthermore, comprehensive parametric studies are performed to show the dependency of the combined system performance on some of the important operating conditions and composite parameters.
Harvesting waste heat from molten carbonate fuel cells for bifunction applications
Guo, Yanhong (author) / Guo, Xinru (author) / Zhang, Houcheng (author) / Wang, Fu (author) / Wang, Jiatang (author) / Zhao, Jiapei (author) / Miao, He (author) / Yuan, Jinliang (author)
2019-09-01
11 pages
Article (Journal)
Electronic Resource
English
NON-CONVENTIONAL WASTE-DERIVED FUELS FOR MOLTEN CARBONATE FUEL CELLS
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