Single‐Molecule Redox‐Targeting Reactions for a pH‐Neutral Aqueous Organic Redox Flow Battery
pH中性水性有机氧化还原液流电池的单分子氧化还原靶向反应
出版日期:2020
作者单位:MingyueZhou,DepartmentofMaterialsScienceandEngineeringNationalUniversityofSingapore117576SingaporeSingapore,YanChen,DepartmentofMaterialsScienceandEngineeringNationalUniversityofSingapore117576SingaporeSingapore,ManoharSalla,DepartmentofMaterialsScienceandEngineeringNationalUniversityofSingapore117576SingaporeSingapore,HangZhang,DepartmentofMaterialsScienceandEngineeringNationalUniversityofSingapore117576SingaporeSingapore,XunWang,DepartmentofMaterialsScienceandEngineeringNationalUniversityofSingapore117576SingaporeSingapore,SrinivasaReddyMothe,DepartmentofMaterialsScienceandEngineeringNationalUniversityofSingapore117576SingaporeSingapore,QingWang,DepartmentofMaterialsScienceandEngineeringNationalUniversityofSingapore117576SingaporeSingapore,杂志名称:Angewandte Chemie International Edition
卷号:59
期数:34
刊号:1521-3773
出版日期:2020
简介:Aqueousorganicredoxflowbatteries(AORFBs)havereceivedconsiderableattentionforlarge‐scaleenergystorage.Quinonederivatives,suchas9,10‐anthraquinone‐2,7‐disulphonicacid(2,7‐AQDS),havebeenexploredintensivelyowingtopotentiallylowcostandswiftreactionkinetics.However,thelowsolubilityinpH‐neutralelectrolytesrestrictstheirapplicationtocorrosiveacidicorcausticsystems.Herein,thesinglemoleculeredox‐targetingreactionsof2,7‐AQDSanolytearepresentedtocircumventitssolubilitylimitinpH‐neutralelectrolytes.Polyimidewasemployedasalow‐costhigh‐capacitysolidmaterialtoboostthecapacityof2,7‐AQDSelectrolyteto97?Ah?L?1.Throughin?situFTIRspectroscopy,ahydrogen‐bondingmediatedreactionmechanismwasdisclosed.InconjunctionwithNaIascatholyteandnickelhexacyanoferrateasthecatholytecapacitybooster,asingle‐moleculeredox‐targetingreaction‐basedfullcellwithenergydensityupto39?Wh?L?1wasdemonstrated.
