最新多晶硅湿法提纯与定向生长模拟研究.pdf
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ABSTRACT
ABSTRACT
With of siliconsolar isthe ofthe
the cells．it pursuit
rapiddevelopmentpolycrystal
for scientificresearchertofurtherreducethe
the costs，some
goal polysiliconproduction
new thesunof hasbeena
new and methodof rapid
technology preparationpolysilicon
methodisoneofthemost low cost
metallurgical effectivelyproduction
development．The
becauseofitsshort low
of technical cycle，thecost，lesspollution．
polysilicon production
The of andthe of
hydrometallurgypurificationpolycrystallinepreparation
process
isthetwo
silicondirectionalsolidificationmethod process
Polycrystallineby important
anewhot forresearchers．
of methodfabricate hasbeen
metallurgy SoG-Si，it spot
Basedonthe ofthe andthedistributionofthe in
shape impurities impurities
ofMG-Siwas
Silicon(MG-Si)，hydrometallurgicalpurification
Metallurgical-Grade
the conditionofthe acidas
studiedinthisresearch．In hydrochloricleaching
premise
a threelevelsof test to
fourfactorsand
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