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Thermodynamic, exergetic, and thermoeconomic analyses of a 1-kW proton exchange membrane fuel cell system fueled by natural gas

Seok-Ho Seo, Si-Doek Oh, Jinwon Park, Hwanyeong Oh, Yoon-Young Choi, Won-Yong Lee and Ho-Young Kwak

Energy, 2021, vol. 217, issue C

Abstract: In this study, thermodynamic, exergetic, and thermoeconomic analyses of a 1-kW proton exchange membrane fuel cell (PEMFC) fueled by natural gas were performed. In particular, the chemical reaction rates of the burner, reformer, water gas shift (WGS) reactor, and preferential oxidation reactor (PrOx) were carefully investigated to obtain the range of rates of the reforming and WGS reactions. The unit cost of H2 gas produced by the fuel processing unit, and of the electricity generated by the PEMFC system were determined using the unit cost of H2 by a detailed thermoeconomic analysis based on the data obtained from a series of experiments. In the presence and absence of an anode-off gas in the burner, the unit costs of the H2 produced by the fuel processing unit were approximately 22.8 $/GJ and 27.5 $/GJ, respectively, considering the unit cost of natural gas, 10 $/GJ. Correspondingly, the calculated unit costs of electricity produced by the PEMFC were 286.8 $/GJ and 295.6 $/GJ, respectively.

Keywords: Unit cost of hydrogen; Unit cost of electricity; PEMFC; Fuel processing unit (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:217:y:2021:i:c:s0360544220324695

DOI: 10.1016/j.energy.2020.119362

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