Thermodynamic analysis of a solid oxide electrolysis cell system in thermoneutral mode integrated with industrial waste heat for hydrogen production

Chenxi Wu, Qunzhi Zhu, Binlin Dou, Zaiguo Fu, Jikai Wang and Siqi Mao

Energy, 2024, vol. 301, issue C

Abstract: In this study, a widely applicable hydrogen production system based on solid oxide electrolysis cells (SOEC) is proposed for industrial waste heat recovery. When the thermoneutral mode is employed to maintain the isothermal state of SOEC, the performances of a single SOEC and the system are comprehensively analyzed respectively. The results show that an increase in SOEC temperature leads to a rise in current density, power, hydrogen production, and inlet steam flow rate. Conversely, as the steam conversion rate rises, these parameter values decrease. A set of 3D performance maps are provided to illustrate parameter variations. The thermoneutral data of SOEC can be utilized in various systems, not limited to the proposed one.

Keywords: Thermodynamic analysis; SOEC; Waste heat recovery; Thermoneutral mode; Hydrogen production (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:301:y:2024:i:c:s0360544224014518

DOI: 10.1016/j.energy.2024.131678

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