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1、NiSnCo合金电极材料的制备及性能Thisarticleiscontributedbythecabbage100PDFdocumentsmayhaveapoorbrowsingexperienceattheWAPend.ItisrecommendedthatyouchooseTXT,ordownloadthesourcefiletothenativeview.Vol.In2009,On5lOelectricity'poolBIMONTHLYNo.5Oct.2009PreparationandperformanceofNi.Sn-Coalloyelectrodematerial1,Ya
2、ngtonghuan1,guoyonglang1(1.Thechemicalengineeringoffuzhouuniversity,fuzhou350002;2.Ningdenormalcollegechemistry,fujianningde352100)abstract:Nipreparedbychemicalreductiontotaldepositionmethod,snandNi-sn-Coalloymaterials.ByXRDandSEManalysisofthestructureandmorphology,withthechargeanddischargecurve
3、s,cyclicvoltammetricandacimpedancespectroscopytostudytheembeddedlithiumbehavior.Ni,snalloyforgranulartexture.Ni-sn-Coalloyforosteoporosisspongiformpolyphasestructure.Ni,sn-Coalloyelectrode100Forthefirsttime,mA/ghasacapacityof542MHH/gand1419mAh/g.Thereversibleratioofthe20thcycleis365mAh/g,andcoul
4、ombefficiencyisnegative.Ni-sn-coalloydocumentidentificationcode:Astorynumber:1001,1579(2009)05-0251-0394.3%.Keywords:lithium-ionbatteries;Middleimageclassificationnumber:TM912.9SynthesisandperformanceofNi---CoalloymaterialLIQiu-zhon91,"YANGEngineeringTong-huan91,GUOYong-lan91University,Fuzheu,Fu
5、jian350002,China;(1)ChemistryandChemicalCDZ,FuzhouChemistryDepartment.NingdeTeachersAbstract:Ni-SnandNi-sn-coalloymaterialsMorphologycyclicWerewereCollege.Ningde,Flqirrigation352100,ChinalstructuresByThewayofchemicalreductionwereTheandanalyzedByXRDAndSEM,thelithiuminch-extractionbehaviorsW88stud
6、iedBycharge-dischargeCurves,VohammetryandACimpedanceplots.Ni-SnalloyGrainystructure,Ni-Sn-CoAlloywstork,loosecottonyandmulti-phasesThestructure.The1m/ginitial8pejcifkcharge-ThedischargeofNi-sn-CorespectifTheatalloydectrodeW:oh,542MAh/gand1,419mAh/g,ThewasThe20thcycleThewas365mAh/g,thecoulombicef
7、ficiency94.3%.Keywords:Li-ionbatterv;Anodematerial.Ni-Sn-CoalloyThecommercializedlithiumionbatterymainlyUSESgraphiteasthenegativeelectrodematerial,anditstheoreticalratiois372mAh/g,whichisonlyforthelithiumtheoryofthemetal860S
