Issue 38, 2023

A mini-review on liquid air energy storage system hybridization, modelling, and economics: towards carbon neutrality

Abstract

The rapid increase in energy consumption around the world is the main challenge that compromises and affects the environment. Electricity generation, which mainly depends on fossil fuels, produces around 80% of CO2 emissions released into the atmosphere. Renewables are a remarkable alternative for energy production. However, they are intermittent sources of energy. Liquid air energy storage (LAES) is a medium-to large-scale energy system used to store and produce energy, and recently, it could compete with other storage systems (e.g., compressed air and pumped hydro), which have geographical constraints, affect the environment, and have a lower energy density than that of LAES. However, the low efficiency, high payback periods, and profit values of LAES hamper its commercialization. LAES is premature to be fully studied because lack of actual operating conditions and results from large plants, which affect the techno-economic predictions, in turn, affecting technology commercialization. Furthermore, the off-design conditions are not fully covered although it is a crucial step in system performance evaluation. To this end, the current mini-review sheds light on the LAES design, history, types, limitations, and the associated techno-economic analysis. In addition, state-of-the-art modelling tools are widely explained with benefits and shortage. Furthermore, LAES integration with other systems is explained widely, as it was found to boost the system performance and increase the profit with lower payback periods.

Graphical abstract: A mini-review on liquid air energy storage system hybridization, modelling, and economics: towards carbon neutrality

Article information

Article type
Review Article
Submitted
06 jul 2023
Accepted
22 aug 2023
First published
04 sep 2023
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2023,13, 26380-26391

A mini-review on liquid air energy storage system hybridization, modelling, and economics: towards carbon neutrality

A. M. Salem and A. M. Khaira, RSC Adv., 2023, 13, 26380 DOI: 10.1039/D3RA04506D

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