用于高容量和耐用可充电镁电池的具有快速动力学且层间距可控的VOPO4纳米片

来源:本站2019-06-16162 次

用于高容量和耐用可充电镁电池的具有快速动力学且层间距可控的VOPO4纳米片

※您的位置:用于高容量和耐用可充电镁电池的具有快速动力学且层间距可控的VOPO4纳米片---周震教授课题组---Interlayer‐Spacing‐RegulatedVOPO4NanosheetswithFastKineticsforHigh‐CapacityandDurableRechargeableMagnesiumBatteriesLiminZhou,QiLiu,ZiheZhang,KaiZhang,FangyuXiong,ShuangshuangTan,QinyouAn,*Yong-MookKang,ZhenZhou,*andLiqiangMai*AdvMater,2018,30:1801984[]Owingtothelow‐cost,safety,dendrite‐freeformation,andtwo‐electronredoxpropertiesofmagnesium(Mg),rechargeableMgbatteriesareconsideredaspromisingnext‐gener,theclumsyMg2+withhighpolarityinclinestosluggishMginsertion/deinsertion,,2DVOPO4nanosheetswithexpandedinterlayerspacing()areprcsofMgCl+,theMgbatteryexhibitsaremarkablereversiblecapacityof310mAhg1at50mAg1,excellentratecapability,andgoodcyclingstability(192mAhg1at100mAg1evenafter500cycles).Inaddition,densityfunctionaltheory(DFT)computationsareconductedtounderstandtheelectrodebehaviorwithdecreasedMgCl+migrationenergybarriercomparedwithMg2+.Thisapproach,basedontheregulationofinterlayerdistancetocontrolcationinsertion,representsapromisingguidelineforelectrodematerialdesignonthedevelopmentofadvancedsecondarymultivalent‐ionbatteries.。

  • A+
所属分类:现代文学