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Title: Cathode for aluminum producing electrolytic cell

Patent ·
OSTI ID:1174806

A method of producing aluminum in an electrolytic cell comprising the steps of providing an anode in a cell, preferably a non-reactive anode, and also providing a cathode in the cell, the cathode comprised of a base material having low electrical conductivity reactive with molten aluminum to provide a highly electrically conductive layer on the base material. Electric current is passed from the anode to the cathode and alumina is reduced and aluminum is deposited at the cathode. The cathode base material is selected from boron carbide, and zirconium oxide.

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):
6,719,889
Application Number:
10/126,104
OSTI ID:
1174806
Country of Publication:
United States
Language:
English