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U.S. Department of Energy
Office of Scientific and Technical Information

Cathode for a hall-heroult type electrolytic cell for producing aluminum

Patent ·
OSTI ID:1174807

A method of producing aluminum from alumina in an electrolytic cell including using a cathode comprised of a base material having low electrical conductivity and wettable with molten aluminum to form a reaction layer having a high electrical conductivity on said base layer and a cathode bar extending from said reaction layer through said base material to conduct electrical current from said reaction layer.

Research Organization:
Northwest Aluminum Technologies, Seattle, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC07-00ID13901
Assignee:
Northwest Aluminum Technologies (Seattle, WA)
Patent Number(s):
6,719,890
Application Number:
10/126,068
OSTI ID:
1174807
Country of Publication:
United States
Language:
English