Aluminum anode alloy

Details Aluminum anode alloy Aluminum anode alloy

1987-07-24

1988-12-20

Rutledge, L. Dewayne

Alloys or metallic compositions

Aluminum base

Silicon containing

429218, C22C 2100

Patent

active

047924306

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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Keir, et al., "Galvanic Corrosion Characteristics of Aluminum Alloyed With Group IV Metals", Journal of Electrochem. Soc., 114, (8), 777, 1967.

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