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Title: System and method for electrorefining of silicon

The present disclosure provides methods and systems for electrorefining high-purity materials, for example, silicon. An exemplary system includes at least one cathode, an anode, and a reference electrode. At least one controller, for example a potentiostat, is used to control the potential difference between a reference electrode and a cathode or anode. The system can be operated in a single phase or multiple phase operation to produce high-purity materials, such as solar-grade silicon.
Inventors:
Issue Date:
OSTI Identifier:
1478997
Assignee:
Arizona Board of Regents on behalf of Arizona State University (Scottsdale, AZ) CHO
Patent Number(s):
10,072,345
Application Number:
14/551,747
Contract Number:
SC0008862
Resource Relation:
Patent File Date: 2014 Nov 24
Research Org:
Arizona Board of Regents on behalf of Arizona State University, Scottsdale, AZ (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English