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Abstract Energy storage is an idea that dates back over two thousand years. Engineers, investors, and politicians are increasingly researching energy storage solutions in response to growing concerns about fossil fuels' environmental effects as well as the capacity and reliability of global power systems. Various energy storage technologies are explored in depth in this study, with a focus on their application to the energy storage of electric grids. Specific consideration is paid to a few chosen technologies including flywheel energy storage, pumped hydro energy storage, compressed air energy storage, thermal energy storage in molten salt, hydrogen energy storage, battery energy storages, and capacitor and supercapacitor energy storage. Furthermore, this article delves into the concept of energy storage, focusing on a comprehensive examination of various deployments of these technologies around the world. Some of the barriers to commercial adoption of energy storage technologies, as well as the future, are covered in the article’s conclusion.
Rahman et al. (Tue,) studied this question.