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

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 en...

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Published inApplied sciences Vol. 8; no. 8; p. 1375
Main Authors Li, Bo, Li, Jianding, Shao, Huaiyu, He, Liqing
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 15.08.2018
Subjects
Alternative energy sources
chemical heat storage
Chemical reactions
Energy conversion efficiency
Energy management
Energy storage
Heat storage
Heat transfer
Hydrogen storage
Mg-based materials
Organic chemistry
Photovoltaic cells
Reaction kinetics
Solar energy
Solar panels
Storage tanks
Thermal analysis
Thermal conductivity
Thermal energy
thermal energy storage
Thermal storage
China
Macao
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Summary: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.
ISSN:2076-3417
2076-3417
DOI:10.3390/app8081375