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334201511CHINA'SMANGANESEINDUSTRYVol.33No.4Nov.20152015-06-111963-、15277026128E-maillihuacheng111@126.com.1121331.5322002.5300223.532200NaOHpHpH11.5800r/min、NaOH、1∶1∶150℃1.0mol/L。1.0C156.687mA·h/g500.87%。TG145TQ137.1+2Adoi10.14101/j.cnki.issn.1002-4336.2015.04.0090、、、、、211。LiCoO2、LiMnO2、LiNiO2LiCoO22。。LiCoO2、LiNiO2、LiMnO233-4。。。、、、、。201525%201750%。2015201.07×107kW·h。5、、。pH、。11.11。1。1.2Ni5/10Co2/10Mn3/10OH2NiSO4、CoSO4、MnSO45∶2∶30.5~1.5mol/L3L8g/L335∶2∶3+NaOH124g1mol/L2mol/LNaOH。5LpHpH。、NaOHpHpH11.4~11.6。50℃800r/min。pH11.4~11.640~60℃800r/min、NaOH、1∶1∶11010h。SEM。1.3Li/Ni+Co+Mn1.05∶10.074mm2005880℃12h0.8L/min3℃/min0.074mmTiO2。0.074mm5850℃10h0.8L/min3℃/min0.074mm、pH、TD、SEM。1.41。1NiSO4·6H2OCoSO4·7H2OMnSO4·H2ONH3·H2ONaOHLi2CO31.52。25LEY130pHPHS-3CSX2-12-13DHG-9076AJZ-1LA-300BTS-5V3A22.1、、pH11.550℃800r/min0.51.01.5mol/L、、3。3/mol·L-1/g·cm-3/μmD10D50D90Dm1.0C/mA·h·g-150/%NMC-140.52.576.4110.9216.4110.61151.1960.75NMC-151.02.505.7810.3215.2510.97156.6870.87NMC-161.52.444.688.6814.799.34157.0631.462343、1.0C50。1.0mol/L1.5mol/L1.0C50。、、1.0mol/L1.0mol/L。2.2、、1.0mol/LpH11.5、800r/min405060℃、、4。4/℃/g·cm-3/μmD10D50D90Dm1.0C/mA·h·g-150/%NMC-17402.596.6814.0217.3714.65150.5760.59NMC-18502.535.3410.7215.5511.38155.9851.02NMC-19602.353.738.0412.988.25156.2632.014、1.0C50。、、、1.0C。50℃60℃1.0C532155mA·h/g50。50℃50℃。2.343SEM405060℃SEM2。NMC-17NMC-18NMC-19abca40℃b50℃c60℃2SEM2。31NaOHpHpH11.5800r/min、NaOH、1∶1∶150℃1.0mol/L。21.0C156.687mA·h/g500.87%。3。33331.M.20021.2.LiFePO4J.2012322114-117.3.LiNi1/3Co1/3Mn1/3O2J.2009982-85.4.LiNi0.85-xCo0.15MnxO2D.2007.5.LiNi1/3Co1/3Mn1/3O2J.200931155-8.AnExperimentalStudyinTernaryPrecursorinManganeseSeriesofNickelCobaltManganeseSynthesisLIHuacheng1WANGChunfei1XIELuosheng2LIPuliang1PENGJinyun3QINZhenguo31.CITICDamengMiningIndustriesLimitedChongzuoBrachChongzuoGuangxi532200China2.GuangxiBureauofQualityandTechnicalSupervisionNanningGuangxi530022China3.GuangxiNormalUniversityforNationalitiesChongzuoGuangxi532200ChinaAbstractTogetsynthesisofnickelcobaltmanganeseternaryprecursorwemakeuseofsinglefactorexperimentmethodbyNaOHasprecipitantandammoniasolutiontohavepHadjustedinagentandbufferingagentwithpHvalueof11.5thestirringspeedof800r/min.AconstantflowpumpcancontrolsaltsolutionNaOHsolutionandammoniawater.Withtemperatureandsaltconcentrationasavariablewecangetthebesttemperature50℃andsaltconcentration1.0mol/L.Inordertotestnickelcobaltmanganeseternaryprecursorandlithiumcarbonateasrawmaterialwegetmanufacturer’sprocessconditionssynthesisofnickelandcobaltternarymanganeseacidlithiummaterialswithexcellentperformanceincludingdischargecapacityof156.687mA·h/gwith1.0Candthecapacitydecayratewas0.87%after50cyclesanditcanmeettherequirementsofpowerbattery.KeywordsNickelcobaltmanganeseCoprecipitationmethod檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿Theternaryprecursor《》2016《》1960、、、、、。、、、··、、、、、、。、、。。、、。《》8012.00144.006-23。。168.00/。85《》300131022-266583432668907226658341022-26658343E-mailbook@wjygy.com.cnHttp//.wjygy.com.cn《》43
本文标题:锰系镍钴锰三元前驱体合成试验研究
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