Activated carbon anode including lithium

Details Activated carbon anode including lithium Activated carbon anode including lithium

1988-12-30

1989-12-05

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204 67, 204243R, 204294, 373 88, 373 89, C25C 700, C25C 312

Patent

active

048850730

ABSTRACT:
This invention relates to a lithum-containing carbon anode employed in the process of producing aluminum metal where the lithium compounds in an amount of 0.1 to 1.5 percent by weight were added into the carbon mass made of pitch and calcined coke to produce a Soderberg anode and carbon mass of prebaked anode. Compared with the ordinary carbon anode used in the production of aluminum, the anode overvoltage will be reduced about 100 to about 200 mV. Therefore, the energy consumption will be decreased by about 300 to about 600 Kwh. In addition, the current efficiency will be increased by 1 to 2 percent.

REFERENCES:
patent: 4011374 (1977-03-01), Kaun

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