可充镁电池电解液

Electrolytes for Rechargeable Magnesium Batteries

由于金属镁具有能量密度较高、价格低、操作安全等优点,可充镁电池是在大负荷储能方面极具发展潜力的二次电池。本文综述了可充镁电池电解液的研究进展,其中包括溶于醚溶剂中的格氏试剂、Mg(BR2R'2)2(其中R、R'为烷基或芳基)、Mg(AX4-nRn'R'n″)2络合物(其中A=Al、B、Sb、P、As、Fe和Ta等,X=Cl、Br和F,R、R'为烷基或芳基,0<n<4,n'+n″=n)或氨基镁卤化物的有机溶液体系、可传导镁离子的熔盐体系和聚合物电解质体系;简述了各种体系的性能和特点,并对可充镁电池电解液的进一步研究和应用前景进行了展望。

Rechargeable magnesium batteries may be a potential candidate for heavy load application due to higher energy density,cheap raw material costs and easy to handle of magnesium.In this paper,the recent research advances on electrolytes for rechargeable magnesium batteries are reviewed,especially on ethereal solutions of Grignard reagents,Mg(BR2R′2)2(R、R′=alkyl or aryl groups),Mg(AX4-nRn′R′n″)2 complexes(A=Al,B,Sb,P,As,Fe and Ta,X=Cl,Br and F,R、R′=alkyl or aryl groups,0<n<4,n′+n″= n) or amidomagnesium halides,Mg ion conductive molten salts and polymeric electrolytes.The performances and characteristics of above three systems are presented,and further researches and developments are proposed.