Anode assembly for molten salt electrolysis
First Claim
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1. An anode assembly for an electrolytic cell for molten salt electrolysis comprising a cermet connector and a cermet or ceramic anode, the connector having a lower electrical resistivity than the anode at the operating temperature of the cell, wherein the connector and anode are mated together in the green or calcined state and then sintered to produce said assembly having a low resistance joint.
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Abstract
An anode assembly for an electrolytic cell for molten electrolysis has a cermet connector with a lower electrical resistivity than the anode threaded into the cermet or ceramic anode in the green or calcined state and then sintered to form an anode assembly having a low joint resistance at the cell operating temperature.
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14 Claims
- 1. An anode assembly for an electrolytic cell for molten salt electrolysis comprising a cermet connector and a cermet or ceramic anode, the connector having a lower electrical resistivity than the anode at the operating temperature of the cell, wherein the connector and anode are mated together in the green or calcined state and then sintered to produce said assembly having a low resistance joint.
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14. An anode assembly for a Hall cell comprising a Ni/Ni ferrite cermet anode connector having an electrical resistivity at the operating temperature of the cell less than the anode and not more than 1×
- 10-3 ohm-cm consisting of 40% by volume of Ni and 60% by volume of Ni ferrite and a Ni/Ni ferrite anode having 16% by volume Ni and 84% by volume of Ni ferrite, said connector and anode threaded together in the green or calcined state before sintering to form said assembly.
Specification