Lithium ion battery passive charge equalization
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United States of America Patent
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Issued Date -
Dec 12, 2002
app pub date -
May 14, 2001
filing date -
May 14, 2001
priority date (Note) -
Abandoned
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Abstract
An electrochemical battery includes at least two electrically interconnected electrochemical cells. Each electrochemical cell has an anode including carbon, and a cathode including a modified lithium metal oxide including at least one additional element selected from the group consisting of nickel, aluminum, magnesium, titanium, and combinations thereof. A Schottky diode is connected between the anode and the cathode. The battery is balanced by fully discharging it to a fully discharged state, and then operated in cycles of charging and discharging.
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