Method of making an aluminum base alloy anode

Details Method of making an aluminum base alloy anode Method of making an aluminum base alloy anode

1988-05-17

1989-09-12

Mc Dowell, Robert

Metal treatment

Compositions

Heat treating

148 115A, C22F 104

Patent

active

048656518

ABSTRACT:
An aluminum alloy that may be used as an anode in a battery displays high voltage and high coulombic efficiency when used with a caustic electrode by the presence of about 0.03 to 0.2 percent tin. Additionally, about 0.03 to 0.07 percent gallium and/or 0.002 to 0.006 percent silicon may be added. It is preferred that the purity of the aluminum be at least as pure as 99.995%. A heat treatment enhances voltage and efficiency.

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