锂离子电池英语论文正文

锂离子电池英语论文正文

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时间:2018-12-06

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1、WORD资料整理Octadecylamineoxideasthetemplatesynthesisoflithiatedvanadiumoxideshalfopened-nanotubesSynthesisofLithiatedVanadiumOxidesHalfOpened-nanotubesasCathodeMaterialsforLithiumIonBatteriesJunliSun*InstituteofScienceandResearch,DepartmentofScienceandResearch,ChinesePeople’sArmedPoliceFo

2、rceAcademy,220XihuanRoad,AnciDistrict,LangfangCity,HebeiProvince(065000),China.Tel(86)316-2067617AbstractThelithiatedvanadiumoxideshalfopened-nanotubes(HOT)aresynthesizedbyusingsolid-stateandsolvothermalreactionwithoctadecylamineoxideasthetemplate.Transmissionelectronmicroscopy(TEM)and

3、scanningelectronmicroscopy(SEM)characterizationsshowthatthesynthesizedlithiatedvanadiumoxidesnanotubesarehalfopenedandagglomerate.X-raydiffraction(XRD)investigationdemonstratesthatthesynthesizedhalfopened-nanotubesaremostconsistedofmonoclinicphaseLiV3O8.Cyclicvoltammetry(CV)testindicat

4、esthatsomeredoxprocessesarehindered,whichispropitioustoimproveelectrochemicalperformanceofLiV3O8cathodematerial.Keywords:electrochemicalproperties;nanostructures;SEM;TEMIntroductionNanostructuredcathodeandanodematerialsinlithiumionbatterieshaveattractedgreatattention.Thisisbecausetheys

5、howhighercapacitythanconventional*Correspondingauthor.Tel.:+86-316-2067617;Fax:+86-316-2067613E-mailaddresses:sunjunli@nankai.edu.cn完美格式可编辑WORD资料整理electrodescomposedofthesamematerials,andthesurfaceareaofnanostructuredelectrodesismuchlargerthanthatofconventionalelectrodes.Vanadiumoxides

6、havebeenwidelystudiedascathodeactivematerialsinlithiumrechargeablebatteriesbecauseoftheirlowcostandhightheorycapacity[1-6].ChenWetal.usethetemplatehydrothermaltreatmenttosynthesizeV2O5nanotubes.Whentheyareusedascathode,theresultingcellhasshowninitialdischargespecificcapacityof306mAhg-1

7、at3.6-1.5V,whichissignificantlysuperiortothatofmaterialspreparedbyconventionalmethods.Thisnanotubecanmaintain80%ofitsinitialcapacity[7].ButtherewerenoreportsaboutanymethodstoprocessLiV3O8halfopened-nanotubeselectrodematerial.Inthiswork,high-orderedLiV3O8halfopened-nanotubesarraysares

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