Binary lead-tin alloy substrate for lead-acid electrochemical cells
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United States of America Patent
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Jun 9, 1992
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N/A
app pub date -
Aug 24, 1990
filing date -
Aug 24, 1990
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Expired
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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.
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