期刊
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
卷 161, 期 -, 页码 136-149出版社
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2023.02.062
关键词
Solid Mg-ion electrolytes; Solid-state Mg batteries; Phosphates; Borohydrides; Chalcogenides; Metal-organic frameworks; Polymers
Rechargeable Mg batteries have received significant attention in recent years due to their high theoretical energy density and low production cost. The development of solid-state Mg batteries, which utilize solid Mg-ion electrolytes, has shown promise in improving safety and expanding electrode applications. While there have been breakthroughs in terms of Mg-ion conductivities, stable cycling of solid-state Mg batteries has not yet been achieved. This review discusses the properties of current solid Mg-ion electrolytes and summarizes the performance of corresponding solid-state Mg batteries, as well as provides insights into the application potentials and future directions of these electrolytes.
Rechargeable Mg batteries have attracted much attention in the past decade due to their high theoretical energy density and low production cost, in which the electrolyte is the key component that determines the overall performance. Applying solid Mg-ion electrolytes brings many benefits to rechargeable Mg bat-teries, which can improve safety under aggressive conditions and open opportunities for new electrode applications. After extensive investigations, researchers make major breakthroughs in the solid Mg-ion electrolyte field, especially in terms of Mg-ion conductivities. However, the development of solid-state Mg batteries is still at the early stage since their stable cycling has not been achieved yet. In this review, we introduce the Mg-ion conducting properties of current solid Mg-ion electrolytes, and then summarize the performances of corresponding solid-state Mg batteries. In addition, we provide a discussion on the application potentials and future directions of each type of solid Mg-ion electrolytes that are applied in solid-state Mg batteries. (c) 2023 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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