简介:摘要:薄膜拉伸技术作为材料加工领域的关键技术之一,在提升材料性能、优化产品结构及推动产业升级方面发挥着重要作用。本文聚焦于薄膜拉伸技术在工业和信息化领域的应用,重点分析了其在锂电池隔膜、太阳能背板膜及热收缩膜等产品生产中的具体应用、技术创新、市场趋势及未来发展方向。通过详细阐述薄膜拉伸技术的原理、工艺过程及其对产品性能的影响,本文旨在为相关领域的研究人员和企业提供参考与借鉴。关键词:薄膜拉伸技术;锂电池隔膜;太阳能背板膜;热收缩膜;工业信息化。
简介:IntroductionIn2O3·Snfilmshavehightransparency(>95%)withinthevisiblespectralregion,lowresistivity(10-2—10-4ohm·cm)atroomtemperatureandsuperiorthermalstability.Thesefilmshavebeenappliedtosolarcells,electronicsandphotoelectronicsfields.Inrecentyears,organometallic-CVDmethodhasemergedasasuccessfulalternatetothephysicalmethodsandgeneralCVDforthegrowthofthesefilms.TheMO-CVDtech-
简介:Zinctinoxide(ZTO)thinfilms,withzincacetateandtributyltinchlorideasrawmaterials,weredepositedonglasssubstratesbythemethodofmetalorganicchemicalvapordeposition(MOCVD).Thecrystallization,microstructureandopticalpropertieswereinvestigatedbyscanningelectronicmicroscope(SEM),X-raydiffraction(XRD)andultraviolet-visible(UV-Vis)spectrophotometer.TheresultsshowthatwiththeincreaseinSn/Znratio,thecrystalchangesfromwurtzitetorutilephase.Whentheratioreaches11:18,theintensityofZn_2SnO_4peaksappearstobethestrongestandtheopticalbandgapisabout3.27eV.Calculatedbytheenvelopemethod,thethicknessoftheZTOthinfilmsis713.24nm.MeasuredbyUV-Visspectrophotometer,thetransmittanceoftheZTOthinfilmsreachesupto80%inthewavelengthrangeof400-1000nmwhentheSn/Znratiois7:18.
简介:采用化学还原共沉积法制备SnxNiyCoz(x∶y∶z=4∶3∶1.5,4∶2∶1,4∶2∶2,4∶1∶2)三元合金材料,通过充放电测试对比材料的电化学性能。结果表明:呈较均匀分散性和表面疏松的Sn4Ni2Co材料的电化学性能最好;第20次循环,Sn4Ni2Co合金电极可逆容量为346mAh.g-1,库仑效率为94.2%。
简介:1IntroductionDengfuxianorefieldliesattheintersectionoftheQin-HangCombinedZone(QCZ)andtheNanlingMetallogenic,andcomprisesXiangdongW-Sndeposit(AlsoknownasDengfuxianW-Sndeposit),Jiguanshi
简介:利用平衡合金法,采用扫描电镜-能谱仪和X射线衍射方法对Al-Fe-Sn三元系973和593K等温截面的相关系进行实验测定。实验结果表明:在此两个截面上均未检测到三元化合物;973K时液相中Fe的最大固溶度为1.6%(摩尔分数),而593K时Fe和Al在液相中的最大固溶度分别为0.6%和5.1%(摩尔分数);在973和593K等温截面上,Sn在Fe-Al化合物中的最大固溶度分别为4.2%和2.3%(摩尔分数);Fe-Al化合物均能与液相保持平衡。
简介:ThemicrostructureandtensilepropertiesofSn-9Znsolderunderdifferentcoolingandagingconditionwerestudied.Duringsolidification,thedistributionofZn-richphasesandgrainsizeinthemicrostructureofSn-9Znsolderweredecidedbythecoolingrate.TheZn-richphaseinSn-9Znsolderunderfurnacecooling,aircoolingandwatercoolingmediawasseparatelyexistedascoarsendendriticandneedlelikeshape,fineneedlelikeshapeandveryfinerod-likeshape,respectively.Afteraging,thecoarsendendriticwasbrokenandthecoarsenneedlelikeZn-richphasewaspartlychangedintofinedistributionofZn-richphaseforSn-9Znsolderwithfurnacecooling,andtherod-likeZnphaseintheSn-9ZnsolderunderwatercoolingwaschangedtoconglomeratedZnwithneedleshape.DuringtensiletestingonSn-9Znsolder,tensilestrengthandductilityreachedthebestwithwatercooling,butdecreasedwithagingeffect.Meanwhile,theductilityofsolderwithaircoolingandthestrengthofsolderwithfurnacecoolingincreasedwithaging.Thefracturemodewasductileandwasindependentofcoolingmediaandagingeffect.Thesizeanddepthofdimplesdecreasedfromwater,furnacetoaircooling.Afteraging,numberandsizeofdimplesincreasedonthesolderwithfurnacecoolingandaircooling.ThechangeonthesizeofdimplesfortheSn-9Znsolderunderdifferentcoolingconditionandwithagingeffectwasaccordancetothetensileproperties.
简介:Chemicalreductionmethodwasemployedtopreparenano-sizedSn2SbNialloycompositesusedasanodematerialforrechargeablelithiumionbatteries.Thisstrategywasadoptedtocombinethevirtuesofbothactive/inactiveandactive/activealloystofabricateaSn2SbNialloypowderwithtwoactivecomponentsandoneinactivecomponent.Thetwoactivecomponentscanrealizethehighcapacityfeatureofelectrodeandcanmakethevolumechangeofelectrodetakeplaceinastepwisemannerduetothedifferentlithiationpotentialsoftwoactivecomponents,leadingtoastablecyclingperformance.Sn2SbNialloyprovidesareversiblespecificcapacityover640mA·h/gwithanexcellentcyclicability.TheSn-Sb-Nialloycompositematerialshowstobeagoodcandidateanodematerialforthelithiumionbatteries.