Binary lead-tin alloy substrate for lead-acid electrochemical ce

Details Binary lead-tin alloy substrate for lead-acid electrochemical ce Binary lead-tin alloy substrate for lead-acid electrochemical ce

1990-08-24

1992-06-09

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429245, H01M 468

Patent

active

051206200

ABSTRACT:
A binary lead-tin alloy substrate for support of the electrochemically active material in lead-acid cells is disclosed having a tin concentration from about 0.3 to about 0.9 weight percent, the balance being lead. The tin impedes the formation of a passivation layer at the interface between the grid material and the active material improving cell recovery from deep discharge and improving cold cranking amperes performance.

REFERENCES:
patent: 4092462 (1978-05-01), Giess et al.
patent: 4125690 (1978-11-01), Bagshaw et al.
patent: 4137378 (1979-01-01), Nees et al.

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