湿法提纯制备太阳能级硅过程的研究

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1、万方数据1hMeofcontentsTableofContentsPerface⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯1Chapter1Literaturereview⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31．1SolarenergydevelopmentStatus⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31．1．1EnergyCrisisandChallenges⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯’31．1．2Developmentofsolarenergyindustryintheworld⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯‘41．1

2、．3DevelopmentofsolarenergyindustryinChina’·······⋯⋯·············-·⋯⋯⋯⋯·‘71．1．4ThedevelopmentdifficultiesandchallengesofChina’Sphotovoltaicindustry⋯。⋯··············⋯⋯⋯············-··⋯·⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯··’91．2TheSolarcellmaterials⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯”lO1．2．1TheSolareellmaterials⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

3、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·‘101．2．2TheSolarcellmaterials’trends⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯”131．3ProductiontechnologiesofSolargradesilicon⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯‘141．3．1ChemicalTecnologiesofSolargradesilicon⋯··············⋯·⋯··⋯··········⋯⋯151．3．2MetallurgicalTecnologiesofSolargradesilicon‘··⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。181．4Motivation．object

4、iveandmethodthestudy⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯¨19Chapter2Experimentalandanalyticalmethods⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·212．1ExperimentalReagents⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯··222．2Experimentalprocedure⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯232．3Equipmentandanalyticalmethods⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯242．4ExperimentalPrinciple⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

5、⋯⋯⋯⋯⋯⋯⋯⋯252．5Commonleachingagent⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·27Chapter3StudyofHydrometallurgyprocessofremovingBnon-metallicimpuritiesinthepolysilicon⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·283．1Thenon-metallicimpuritiesinthepolysilieonanditsaffect⋯⋯⋯⋯⋯⋯⋯．．283．2Impuritysegregation⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯293．3Thepurp

6、oseoftheexperiment⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯··303．4Experimentalresultsandanalysis⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯303．4．1Effectofw(H2S041forremovingB⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯303．4．2Effectofw(HFlforremovingB⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。313．4．3EffectofleachingtimeforremovingB⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯‘323．4．4EffectofLeachingtemperature

7、forremovingB⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·+333．4．5EffectofLiquid—SolidratioforremovingB⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯34VII万方数据T曲leofcontents3．4．6EffectofwashingtemperatureforremovingB⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯‘353．4．7Optimizedresults‘··⋯·⋯⋯··⋯‘··⋯········