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1、无锡职业技术学院毕业设计说明书（中英文翻译）PolycrystallinesiliconsolarcellmanufacturecraftoutlineItiswellknown,willhavemanymeritsusingthesolarenergy,thelightbendsdowntheelectricitygenerationtoprovidethemainenergyforthehumanity,butatpresentsays,willhaveenablethesolarenergyelectricitygenerationtohavethebi
2、gmarket,bygeneralconsumeracceptance,isenhancedthesolarcellthephotoelectricitytransferefficiency,reducesbiggestgoalwhichtheproductioncostshouldbewepursues,mayseeitstrendofdevelopmentfromatpresentinternationalsolarcelldevelopingprocessforthemonocrystallinesilicon,thepolycrystallinesil
3、icon,thebelt-shapedsilicon,themembranousmaterial(includingmicritesilicon-basedthinfilm,compoundbasethinfilmanddyethinfilm).Lookedfromtheindustrializationdevelopmentthat,thecenterofgravityhasdevelopedbytheunitcrystaltothepolytropismdirection,theprimarycauseis;[1]maysupplythesolarcell
4、toexpectfrombeginningtoendfewincreasingly;[2]saystothesolarcell,thesquareshapesubstrateismoreworthwhile,obtainsthepolycrystallinesiliconthroughthecastinglawandthedirectcoagulationlawtobepossibletoobtainthesquareshapematerialdirectly;The[3]polycrystallinesiliconproductioncraftmakesth
5、eprogressunceasingly,thecompletelyautomaticcastingstoveeachproductioncycle(50hours)mayproduce200kilogramabovesiliconspindles,thecrystalgrainsizeachievesacentimeterlevel;Because[4]neartenyearmonocrystallinesiliconcrafttheresearchanddevelopmentareveryquick,inwhichcraftisalsoappliedint
6、hepolytropismsiliconcellproduction,forexamplethechoicecorrosionlaunchknot,thebacksurfacefield,thecorrosionfabricsurface,superficialandthebodydeactivation,thethinwirenettingelectrode,usesthesilk-screenprintingtechnologytobepossibletocausethegridelectrodethewidthtoreduceto50microns,ac
7、hievedhighlyabove15microns,thefasthotannealingtechnologyusesinthepolycrystallinesilicontheproductionbeingpossibletoreducethecrafttimegreatly,themonolithichotworkingproceduretimemaycompleteinaminute,usesthiscraftthebatterytransferefficiencywhichmakeson100squarecentimeterpolytropismsi
8、liconchipstosurpass
