Rechargeable electrochemical cell with modified manganese oxide positive electrode
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United States of America Patent
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Sep 14, 1999
Grant Date -
N/A
app pub date -
Jul 22, 1997
filing date -
Jul 22, 1997
priority date (Note) -
Expired
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Abstract
A rechargeable battery cell includes an anode with a major portion of active material, a cathode including MnO.sub.2 doped with bismuth, and a separator between the cathode and anode which substantially prevents bismuth from migrating from the cathode to the anode. The rechargeable battery cell has a high cycle life and does not contain toxic compounds found in conventional rechargeable batteries.
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