Development of nitrogen-doped carbons using the hydrothermal method as electrode materials for vanadium redox flow batteries
水热法制备含氮碳钒液流电池电极材料
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标签：
Vanadium redox flow battery
Nitrogen
doped carbon
Nitrogen functional group
Pyridinic nitrogen
ai标签:
出版日期:2013
作者单位:HokyunLee(1)HansungKim(1)1.DepartmentofChemicalandBiomolecularEngineering,YonseiUniversity,262Seongsanno,Seodaemun-gu,120-749,Seoul,SouthKorea杂志名称:Journal of Applied Electrochemistry
卷号:43
期数:5
刊号:0021-891X
出版日期:2013
简介:Nitrogen-dopedcarbonsaresuggestedaselectrochemicallyactivematerialsforV(IV)/V(V)redoxcouplesforavanadiumredoxflowbattery(VRB).Thesematerialsweresynthesizedusingahydrothermalreactionofaqueousglucosesolutioninthepresenceofethylenediamineasanitrogensource.Thephysicalandelectrochemicalpropertiesofthenitrogen-dopedcarbonsarecharacterizedbycyclicvoltammetry,high-resolutiontransmissionelectronmicroscopyandX-rayphotoelectronspectrometry.Theseresultsrevealthatthehydrothermalmethodisaneffectivewaytosynthesizehigh-contentnitrogen-dopedcarbons.Nitrogendopingsignificantlyimprovescatalyticactivityandreversibility.Therefore,useofnitrogen-dopedcarbonisexpectedtoincreasetheenergystorageefficiencyofVRBs.
