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A critical review on thermal energy storage materials and systems for solar applications

1 Petroleum and Chemical Engineering Programme area, Faculty of Engineering, Universiti Teknologi Brunei, Gadong, Brunei Darussalam
2 Department of Engineering, College of Applied Sciences, Sohar, Sultanate of Oman
3 Sathyabama Institute of Science and Technology, Chennai, India

Special Issues: Photovoltaic system design

Due to advances in its effectiveness and efficiency, solar thermal energy is becoming increasingly attractive as a renewal energy source. Efficient energy storage, however, is a key limiting factor on its further development and adoption. Storage is essential to smooth out energy fluctuations throughout the day and has a major influence on the cost-effectiveness of solar energy systems. This review paper will present the most recent advances in these storage systems. The manuscript aims to review and discuss the various types of storage that have been developed, specifically thermochemical storage (TCS), latent heat storage (LHS), and sensible heat storage (SHS). Among these storage types, SHS is the most developed and commercialized, whereas TCS is still in development stages. The merits and demerits of each storage types are discussed in this review. Some of the important organic and inorganic phase change materials focused in recent years have been summarized. The key contributions of this review article include summarizing the inherent benefits and weaknesses, properties, and design criteria of materials used for storing solar thermal energy, as well as discussion of recent investigations into the dynamic performance of solar energy storage systems.
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Keywords latent storage; sensible storage; thermal energy storage; solar energy; thermochemical storage

Citation: D.M. Reddy Prasad, R. Senthilkumar, Govindarajan Lakshmanarao, Saravanakumar Krishnan, B.S. Naveen Prasad. A critical review on thermal energy storage materials and systems for solar applications. AIMS Energy, 2019, 7(4): 507-526. doi: 10.3934/energy.2019.4.507


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