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Appl. Sci. 2018, 8(8), 1375; https://doi.org/10.3390/app8081375

Mg-Based Hydrogen Absorbing Materials for Thermal Energy Storage—A Review

1,†
,
1,†
,
1,* and 2,*
1
Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering (IAPME), University of Macau, Macau SAR, China
2
Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 24 July 2018 / Revised: 8 August 2018 / Accepted: 9 August 2018 / Published: 15 August 2018
(This article belongs to the Special Issue Materials for Thermal Energy Storage)
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Abstract

Utilization of renewable energy such as solar, wind, and geothermal power, appears to be the most promising solution for the development of sustainable energy systems without using fossil fuels. Energy storage, especially to store the energy from fluctuating power is quite vital for smoothing out energy demands with peak/off-peak hour fluctuations. Thermal energy is a potential candidate to serve as an energy reserve. However, currently the development of thermal energy storage (TES) by traditional physical means is restricted by the relatively low energy density, high temperature demand, and the great thermal energy loss during long-period storage. Chemical heat storage is one of the most promising alternatives for TES due to its high energy density, low energy loss, flexible temperature range, and excellent storage duration. A comprehensive review on the development of different types of Mg-based materials for chemical heat storage is presented here and the classic and state-of-the-art technologies are summarized. Some related chemical principles, as well as heat storage properties, are discussed in the context. Finally, some dominant factors of chemical heat storage materials are concluded and the perspective is proposed for the development of next-generation chemical heat storage technologies. View Full-Text
Keywords: thermal energy storage; Mg-based materials; hydrogen storage; chemical heat storage thermal energy storage; Mg-based materials; hydrogen storage; chemical heat storage
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Li, B.; Li, J.; Shao, H.; He, L. Mg-Based Hydrogen Absorbing Materials for Thermal Energy Storage—A Review. Appl. Sci. 2018, 8, 1375.

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