OALib Journal期刊
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固相法制备li+电池正极材料limnpo4
DOI: 10.3969/j.issn.1671-7627.2014.04.008, PP. 39-44
Keywords: li+电池,limnpo4,固相法
Abstract:
采用固相法制备橄榄石型磷酸锰锂(limnpo4)正极材料。通过热分析仪(tg-dsc)及x线衍射仪(xrd)对球磨产物前驱体进行分析,通过xrd、场发射扫描电子显微镜(fesem)及恒电流充放电等测试手段,考察不同煅烧温度及保温时间对limnpo4的物相结构、形貌及电化学性能的影响。结果表明:前驱体合理的煅烧温度范围为475~625℃。在475℃下保温10h得到纯相limnpo4颗粒,其在0.05c下的放电容量为95.7ma·h/g。
References
[1] | liuxm,yanp,xieyy,etal.synthesisofsuperiorfastcharging-dischargingnano-lifepo4/cfromnano-fepo4generatedusingaconfinedareaimpingingjetreactorapproach[j].chemicalcommunications,2013,49:5396-5398.
|
[2] | choid,wangd,baeit,etal.limnpo4nanoplategrownviasolid-statereactioninmoltenhydrocarbonforli-ionbatterycathode[j].nanoletters,2010,10:2799-2805.
|
[3] | dongy,wangl,zhangs,etal.two-phaseinterfaceinlimnpo4nanoplates[j].journalofpowersources,2012,215:116-121.
|
[4] | pivkom,belem,tchernychovae,etal.synthesisofnanometriclimnpo4viaatwo-steptechnique[j].chemistryofmaterials,2012,24:1041-1047.
|
[5] | kimth,parkhs,leemh,etal.restrictedgrowthoflimnpo4nanoparticlesevolvedfromaprecursorseed[j].journalofpowersources,2012,210:1-6.
|
[6] | sunyk,ohsm,parkhk,etal.micrometer-sized,nanoporous,high-volumetric-capacitylimn0.85fe0.15po4cathodematerialforrechargeablelithium-ionbatteries[j].advancedmaterials,2011,23:5050-5054.
|
[7] | kimj,parkyu,seodh,etal.mgandfeco-dopedmnbasedolivinecathodematerialforhighpowercapability[j].journalofelectrochemicalsociety,2011,158:a250-a254.
|
[8] | delacourtc,poizotp,morcrettem,etal.one-steplow-temperaturerouteforthepreparationofelectrochemicallyactivelimnpo4powders[j].chemistryofmaterials,2004,16:93-99.
|
[9] | 王志兴,李向群,常晓燕,等.锂离子电池橄榄石结构正极材料limnpo4的合成与性能[j].中国有色金属学报,2008,18:660-665.
|
[10] | xieg,zhuhj,liuxm,etal.acore-shelllifepo4/cnanocompositepreparedviaasol-gelmethodassistedbycitricacid[j].journalofalloysandcompounds,2013,574:155-160.
|
[11] | yanp,lul,liuxm,etal.aneconomicandscalableapproachtosynthesizehighpowerlifepo4/cnanocompositesfromnano-fepo4precipitatedfromanimpingingjetreactor[j].journalofmaterialschemistrya,2013,1:10429-10435.
|
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