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A Review of Magnesium Aluminum Chloride Complex Electrolytes for Mg Batteries
Author(s) -
Li Yaqi,
Guan Shaoliang,
Huo Hua,
Ma Yulin,
Gao Yunzhi,
Zuo Pengjian,
Yin Geping
Publication year - 2021
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.202100650
Subject(s) - electrolyte , magnesium , materials science , inorganic chemistry , chloride , electrode , compatibility (geochemistry) , aluminium , chemical engineering , chemistry , metallurgy , composite material , engineering
Developing suitable electrolytes with high oxidation decomposition potential, low cost, and good compatibility with electrode materials has been a critical challenge in realizing practical magnesium batteries. The emerging magnesium aluminum chloride complex (MACC) electrolytes based on inorganic chloride salts exhibit high Coulombic efficiencies for magnesium batteries. This review summarizes recent studies of MACC electrolytes, focusing on the synthesis, characterization, and chemical environment of Mg species, electrolytic conditioning of electrolytes, and their application in typical magnesium batteries. The electrolyte evolution and influencing factor of electrolytic conditioning are discussed, and several kinds of conditioning‐free MACC electrolytes are further introduced. Finally, future trends and perspectives in this field are discussed.

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