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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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LiFePO_4新型正极材料电化学性能的研究
, PP. 9-14
Keywords: 锂离子电池,正极材料,磷酸铁锂,电化学性能
Abstract:
采用固相反应结合高速球磨法,合成了锂离子电池新型正极材料LiFePO4,并对该材料进行碳包覆处理;采用XRD、SEM、元素分析以及价态化学分析等方法对样品进行表征.实验表明,LiFePO4具有3.4V的放电电压平台,而且包覆碳后的磷酸铁锂具有更好的电化学性能,首次放电容量达147mAh/g,充放电循环100次后容量只衰减9.5%.
| [1] | LIChen(李晨),CharacterizationandelectrochemicalperformancestudiesonnovelLiFePO4cathodematerials[D].Xiamen:BScthesisofXiamenUniversity,2002.
|
| [2] | PadhiAK,NanjundaswamyKS,GoodenoughJB.Phospho-olivinesaspositive-electrodematerialsforrechargeablelithiumbatteries[J].J.Electrochem.Soc.,1997,144(4):1188～1194.
|
| [3] | ProsiniPP,ZaneD,PasqualiM.ImprovedelectrochemicalperformanceofaLiFePO4-basedcompositecathode[J].ElectrochimicaActa,2001,46:3517～3523.
|
| [4] | AnderssonAS,ThomasJO.Thesourceoffirst-cyclecapacitylossinLiFePO4[J].J.PowerSource,2001,97～98:498～502.
|
| [5] | TakahashiM,TobishimaS,TakeiK,etal.CharacterizationofLiFePO4asthecathodematerialforrechargeablelithiumbatteries[J].J.PowerSource,2001,97-98:508～511.
|
| [6] | ProsiniPP,LisiM,ScacciaS,etal.SynthesisandcharacterizationofamorphoushydratedFePO4anditselectrodeperformanceinlithiumbatteries[J].J.Electrochem.Soc.,2002,149(3):A297-A301.
|
| [7] | YangS,ZavalijPY,WhittinghamMS.Hydrothermalsynthesisoflithiumironphosphatecathodes[J].ElectrochemistryCommunications,2001,3:505～508.
|
| [8] | YamadaA,ChungSC,HinokumaK.OptimizedLiFePO4forlithiumbatterycathodes,[J].J.Elec-trochem.Soc.,2001,148(3):A224～A229.
|
| [9] | YamadaA,KudoY,LiuKY.Reactionmechanismoftheolivine-typeLix(Mn0.6Fe0.4)PO4[J].J.Elec-trochem.Soc.,2001,148(7):A747～A754.
|
| [10] | YamadaA,ChungSC.Crystalchemistryoftheolivine-typeLi(MnyFe1-y)PO4and(MnyFe1-y)PO4aspossible4Vcathodematerialsforlithiumbatteries[J].J.Electrochem.Soc.,2001,148(8):A960～A967.
|
| [11] | YamadaA,KudoY,LiuKY.PhasediagramofLix(MnyFe1-y)PO4(0 x,y 1)[J].J.Electrochem.Soc.,2001,148(10):A1153～A1158.
|
| [12] | HuangH,YinSC,NazarLF.ApproachingtheoreticalcapacityofLiFePO4atroomtemperatureathighrates[J].J.Electrochemicalandsolid-stateletters,2001,4(10):A170～A172.
|
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