Molten Salt Mixtures as an Energy Carrier for Thermochemical Processes of Renewable Gas Production: Review and Perspectives
Source abstract
Abstract
This study provides a comprehensive review of molten salt technology, as well as electrochemical and thermochemical processes aimed at hydrogen and syngas production. First, this research illustrates the current types of molten salt mixtures, detailing their main applications and thermophysical properties. Then, the analysis delves into existing thermo-electrochemical cycles and their specific operating conditions for producing hydrogen and syngas. Moreover, this study assesses the compatibility of these processes with molten salt integration. This investigation involved a comprehensive review of the existing technical and scientific literature, blending insights and practical experiences to offer detailed data on the topics explored. The findings suggest that molten salts, with their medium–high operating temperatures, can markedly improve the efficiency and sustainability of hydrogen and syngas production. Furthermore, this study outlines the pivotal role these technologies can play in achieving the European Union’s ambitious goals by enhancing the use of renewable energy sources and advancing the shift to carbon-free solutions.
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Research context
OpenAlex topics: Chemical Looping and Thermochemical Processes · Subcritical and Supercritical Water Processes · Catalysts for Methane Reforming
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
ENEA—Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Via Anguillarese, 301, 00123 Rome, Italy
University of Évora–Renewable Energies Chair, Polo da Mitra da Universidade de Évora, Edifício Ário Lobo de Azevedo, Nossa Senhora da Tourega, 7000-083 Évora, Portugal
Funding
the SALTOpower project (European Twinning for research in Molten Salt Technology to Power and Energy System Applications) · EU within the Horizon Europe Research & Innovation Programme
References (100+)
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