| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing silicon not being mixed with cathode-derived impurities by the electrolysis reduction of silicon dioxide using silicon for a cathode. SOLUTION: Silicon is manufactured by the method that the electrolysis reduction is performed in a molten salt using the cathode which is constituted of a material being mainly silicon and where silicon oxide is contacted. COPYRIGHT: (C)2007,JPO&INPIT
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