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Current status and future directions of multivalent metal-ion batteries

Yanliang Liang, Hui Dong, Doron Aurbach () and Yan Yao ()
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Yanliang Liang: University of Houston
Hui Dong: University of Houston
Doron Aurbach: Bar-Ilan University
Yan Yao: University of Houston

Nature Energy, 2020, vol. 5, issue 9, 646-656

Abstract: Abstract Batteries based on multivalent metals have the potential to meet the future needs of large-scale energy storage, due to the relatively high abundance of elements such as magnesium, calcium, aluminium and zinc in the Earth’s crust. However, the complexity of multivalent metal-ion chemistries has led to rampant confusions, technical challenges, and eventually doubts and uncertainties about the future of these technologies. In this Review, we clarify the key strengths as well as common misconceptions of multivalent metal-based batteries. We then examine the growth behaviour of metal anodes, which is crucial for their safety promises but hitherto unestablished. We further discuss scrutiny of anode efficiency and cathode storage mechanism pertaining to complications arising from electrolyte solutions. Finally, we critically review existing cathode materials and discuss design strategies to enable genuine multivalent metal-ion-based energy storage materials with competitive performance.

Date: 2020
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DOI: 10.1038/s41560-020-0655-0

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