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| The Crystallization Mechanism of Si Ion in KCl-NaCl-NaF-SiO2 Molten Salt |
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Received:March 25, 2010
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.03.005 |
| KeyWord:SiO2; KCl-NaCl-NaF; Cyclic voltammetry; Chronoamperometry |
| Author | Institution |
| HE Xiao-feng |
河北理工大学 |
| LI Yun-gang |
河北理工大学 |
| LI Zhi-hui |
河北理工大学 |
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| Abstract: |
| Pt as reference and reseach electrode, high pure graphite crucible as assistant electrode, the crystallization mechanism of Si ion on Pt electrode was investigated in KCl-NaCl-NaF-SiO2 molten salt by using cyclic voltammetry and chronoamperometry. The results indicated that process of Si crystallization was hemispheric tridimensional crystal nucleus and continuous growing procedure; the density of crystal nucleus could be increased and good sedimentary formation could be obtained if excessive potential was properly increased. |
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