A novel solar-driven energy conversion system using ocean carbon dioxide for generating useful outputs with hydrogen and storage solutions

Hilal Sayhan Akci Turgut and Ibrahim Dincer

Energy, 2025, vol. 332, issue C

Abstract: The presently developed integrated system is focused on a solar energy-driven integrated plant with various energy storage benefits, which is designed to generate electricity, freshwater, hydrogen, oxygen, carbon dioxide extraction, heating, and cooling. The proposed system comprises concentrated panels with ocean hot and cold storage, an ocean thermal energy conversion system with cooling, a multi-effect desalination system with freshwater storage, supercritical and transcritical carbon dioxide-based power plants, and a novel electro-cation exchange reactor, designed and tested experimentally, with compressed hydrogen storage and oxygen storage. The analysis of the system is conducted based on a thermodynamic approach and evaluation. The monthly CO2 extraction ranges from 125.5 kg to 166.3 kg, while the monthly hydrogen production varies between 81.1 kg and 107.4 kg, depending on operational and seasonal conditions.

Keywords: Renewable energy; Solar energy; Energy storage; Hydrogen; Electrolyzer; Carbon dioxide; Energy; Exergy; Efficiency (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:332:y:2025:i:c:s0360544225027756

DOI: 10.1016/j.energy.2025.137133

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