Metal-air cathode can having reduced corner radius and electrochemical cells made therewith
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United States of America Patent
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Aug 31, 1999
Issued Date -
N/A
app pub date -
Jan 6, 1997
filing date -
May 5, 1995
priority date (Note) -
Expired
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Abstract
This invention pertains to electrode cans and metal air electrochemical cells made with the electrode cans. The invention provides improved structure, and methods for making the outer edge of the closed end of the can at the joinder of the closed end of the can with an side wall extending from the closed end. A substantially flat portion of the outer surface of the closed end of the can extends outwardly of the inner surface of the side wall. The electrochemical cells are assembled using improved assembly methods. Button-type electrochemical cells made using the invention are free of the inward dishing common to especially cathode cans in such button cells.
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