Supercritical CO 2 Power Technology: Strengths but Challenges

Michel Molière (), Romain Privat, Jean-Noël Jaubert and Frédéric Geiger
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Michel Molière: Laboratoire Réactions et Génie des Procédés, Université de Lorraine, 54000 Nancy, France
Romain Privat: Laboratoire Réactions et Génie des Procédés, Université de Lorraine, 54000 Nancy, France
Jean-Noël Jaubert: Laboratoire Réactions et Génie des Procédés, Université de Lorraine, 54000 Nancy, France
Frédéric Geiger: Département Sciences et Énergies, UFR-STGI, Université de Franche-Comté, 90000 Belfort, France

Energies, 2024, vol. 17, issue 5, 1-29

Abstract: In the late 1960s, a handful of inspired researchers predicted the great potential of supercritical CO 2 (“sCO 2 ”) cycles for the production of electricity and highlighted the prospects for dramatic reductions in component sizes and efficiency increases. Since then, considerable development programs have been deployed around the world to “tame” this new technology. Despite these efforts, in-depth engineering studies and extensive testing are still necessary today before viable designs can be released for large-scale industrial applications. This raises questions as to the reasons for this delay, this debate being rarely addressed in the current literature. This situation has motivated the present study. Trying to unravel such an intricate topic requires to understand the distinctive properties of supercritical CO 2 and the particular requirements of closed, high-pressure power systems. This article aims then to provide a broad overview of sCO 2 power cycles, highlighting their main advantages and limitations and reflecting the challenges associated with the industrialization of that technology which actually requires disruptive and innovative designs.

Keywords: supercritical CO 2; electric power; thermodynamic cycle; Rankine; Brayton (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (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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