METHOD FOR RECOVERING ELEMENTAL SILICON FROM SILICON SLUDGE BY ELECTROLYSIS IN NON-AQUEOUS ELECTROLYTE
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United States of America Patent
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Issued Date -
May 29, 2014
app pub date -
Feb 21, 2013
filing date -
Nov 23, 2012
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method for recovering elemental silicon from silicon sludge by electrolysis in a non-aqueous electrolyte. The recovery method of silicon according to the present invention can achieve direct reduction of silicon by electrolysis at a low temperature (below 200° C.), control the structure of silicon by a simple process and a change in electrolysis conditions, and perform a continuous process by adding a silicon salt.
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