(PhMgCl)2-AlCl3在混合醚溶剂中的电化学性能研究
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(PhMgCl)2-AlCl3在混合醚溶剂中的电化学性能研究
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(PhMgCl)2-AlCl3在混合醚溶剂中的电化学性能研究
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(PhMgCl)2-AlCl3在混合醚溶剂中的电化学性能研究
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(PhMgCl)2-AlCl3在混合醚溶剂中的电化学性能研究
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ElectrochemicalCharacterizationof(PhMgCl)AlClMixed23/
EtherElectrolytes
WANGFeifei,GUOYongsheng,YANGJun,NULIYanna,WANGJiulin
(SchoolofChemistryandChemicalEngineering,ShanghaiJiaoTongUniversity,Shanghai200240,China)
Abstract:The(PhMgCl)AlClaltswerepreparedandtheelectrochemicalpropertiesof(PhMgCl)AlCl23s23
electrolytescontainingdimethoxyethane(DME)+THF,Diglyme(DG)+THFandTetraglyme(TG)+THFsolventswithdifferentproportionsonvariousmetalelectrodeswerestudied.Comparedwith(PhMgCl)AlCl23/
-3:THF,the(PhMgCl)AlClDG+THF(32)solventsshowedhighionicconductivityof1.605×10S·23/
cm-1,goodreversibleMgdepositionbehaviorandanodicantioxidationperformancewithanelectrochemicalwindowwiderthan2.8V.Inaddition,theDG+THFmixedsolventcouldgreatlylowerthesaturatedvaporpressurebyreducingfrom23.46kPato9.41kPa,whichsuppressesvolatilizationoftheelectrolyteandimprovestheoverallsafetyofrechargeablebattery.AmongPt,Ni,CuandAlelectrodes,Ptoffersthebestelectrochemicalproperties,whileAltheworst.
Keywords:electrolytesolution;vaporpressure;reversibleMgdeposition;rechargeablemagnesiumbattery
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- 电化学
- 溶剂
- 混合
- 性能
- PhMgCl
- 研究
- AlCl