低成本和安全钠离子电池的研究进展

SustainableandLowCostCathodeMaterialsforSodium-ionBatteryEmail:chou@温州大学双碳研究院化学与材料工程学院InstituteforCarbonNeutralizationWenzhouUniversity,Wenzhou,China中国火力发电在电力供应中仍近70%,严重阻碍中国碳达峰（2030年）-碳中和（2060年）目标的实现。太阳能、核能、风能、潮汐能等清洁NaPriceforcarbonates($AU0.09-0.485.34-5.84Ionicradius(Å)Electrolyte：NaClO4、NaPF6inorganicsolventChallenges&SolutionsPublicationsPublicationsNumberofPublicationsvsYearLithiumionbatter*Totalpublications:~8000050000198019851990199520002005201020152250020005000June2020Sodiumionbatter*Totalpublications:~10000198019851990199520002005201020152YearSn4+xP3@Sn-PAdv.Mater.2014,26,4037.Sn@N-dopedCNTACSAppl.Mater.Interfaces2017,9,37682.DualionbatteriesACSAppl.Mater.Interfaces2018,10MoS2-CChem.Comm.2014,SnO2/ppyRSCAdv.2016,6,103124.Reviews,Adv.EnergyMater.online;ElectrolyteInfoMatMater.2019,9,1900722;Na0.44MnO2ACSAppl.Mater.Interfaces2017,9,3644.ACSApp.Mater.Interfaces2017,9,2Theratioofthepricetoperformance(R)DouAdv.EnergyMater.2017,DOI:10.1002/aenm.201700274VoltageVoltage/V(vsNa/Na)3.33.02.7 1 1Cycle 2Cycle 3Cycle 4Cycle 5CycleVN/C@NGOCurrentdensity:0.1C,8mAg020406080100SpecificCapacity/mAhgSpecSpecificcapacity/mAhg1C5C10C0.5C10C0.5C5C10C0.5C10N/C@NGOVN/C020406080100020406080CyclenumbersCoulombicefficCoulombicefficiency/%806040200N,whichcreatesahighersymmImprovementofV3+NASICONtype(Na3V2(PO4)3).CoulombicCoulombicefficiency/%CapacCapacity/mAhg-1WorkingVoltageWorkingVoltage/V(vsNa+/Na)0.3mVs-1Capacitance0.3mVs-1CapacitanceCurrent/mA0.02Current/mA0.0200000.0020000.00200Coulombicefficiency/%Coulombicefficiency/%Capacity/mAhg-1Capacity/mAhg-1-0.023.03.23.43.63.84.04.2Voltage3.00000Bothair-stabilityanThezero-strainpropertywaReversiblevanadiumvalencechangewasdeterminedbyIn-situXANES(V3.2+/VMoisturestablepropertywasobs21/nm21/nmM.Chen,S.-L.Chou*etal.Angew.Chem.Int.Ed.,2020,doi:10.1002/anie.2020032754.0Current/mASpecificcapacity/mAhgcapacity/mAhgCoulombicefficiency/%Coulombicefficiency/%Voltage/V(vsNa/Na)cNVTNNVTN Current/mASpecificcapacity/mAhgcapacity/mAhgCoulombicefficiency/%Coulombicefficiency/%Voltage/V(vsNa/Na)cNVTNNVTN 20C,10C,5C,1C,0.5C,0.2C,0.1C0.01NaVTi(PO)N,NVTN0.004040-0.012020-0.02000.1C20C10010080806080NVTN50cyclesNVTN50cycles,0.2C60204004001530450Cyclenumbers0203040Cyclenumbers0203040Cyclenumbers2.73.03.33.63.94.2Voltage/V(vs.Na/Na)Specificcapacity/VoltageVoltage/V(vsNa/Na)4.02.42.0Current/mA0.3mVsCurrent/mA0.3mVsCapacitancef0.060.030.00-0.03-0.06NVTNChargeDischargeNVTNChargeDischargeVoltage/Vvs.(Na/Na)01x102x103x104x105x103.03.33.63.94.2604020100806040200100806040200Capacityretention:93.4%Capacityretention:93.4%5CCapacityretention:86.3%20C1C=80mAg050010001500200025003000Time/sVoltage/V(vs.Na/Na)CyclenumbersM.Chen,S.-L.Chou*etal.Angew.Chem.Int.Ed.,2020,doi:10.1002/anie.202003275carriercapability).(basedontheformationenergycalculation).M.Chen,S.-L.Chou*etal.Angew.Chem.Int.Ed.,2020,doi:10.1002/anie.202003275M.Chen,S.-L.Chou*etal.Angew.Chem.Int.Ed.,2020,doi:10.1002/anie.202003275(2013)1964.1.60Mn0.833Fe0.167[Fe(WW.J..J.Li,S.L.Chou*etal.Chem.Mater.2015,27(6),1997–2003W-H.W-H.Lai，S.L.Chou,S.X.Douetal.NatureChemistryMorphologytuningofinorganicnanomaterialsgrownW-H.W-H.Lai，S.L.Chou,S.X.Douetal.NatureChemistryMorphologytuningofinorganicnanomaterialsgrownW-H.W-H.Lai，S.L.Chou,S.X.Douetal.NatureChemistryMorphologytuningofinorganicnanomaterialsgrownW-H.W-H.Lai，S.L.Chou,S.X.Douetal.NatureChemistryFe(2)C6NaFe(1)N6Fe(2)C6NaFe(1)N6NiPBMaterialDesignationNiCl2·6H2OMn(CH3CO2)2·4H2OSodiumcitrateMnNiPB-0xcit0.539g0.278gMnNiPB-2xcit0.539g0.278g2.00gMnNiPB-4xcit0.539g0.278g4.00gMnNiPB-6xcit0.539g0.278g6.00gMnPB-0.833g4.00g0.808g-4.00gCONNECT:ISEMOverchargedwithsodiummetaldepositionat3.5V材料表征与电化学性能可逆共嵌反应发生的条件探究可逆的钾离子-溶剂共嵌要求钾离子-溶剂复合物具有强的Thelow-strainpotassium-richK1.84Ni[Fe(CN)6]9H2O(KNiHCF)isaredbyafacileco-precipitationmethod.62TheKNiHCFelectrodesshowahighdischargevoltage(3.82V),superiorrateperformance(45.8mAhg-1at5000mAg-1),goodcyclicstability(capacityrtof88.6%after100cycles),andnegligiblevoltagehysteresis(41mV).63TheKNiHCFshowsultrasmalllatticec