Process for prelithiation of carbon based anodes for lithium batteries
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United States of America Patent
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Jan 21, 1997
Grant Date -
N/A
app pub date -
Apr 12, 1995
filing date -
Apr 12, 1995
priority date (Note) -
Expired
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Abstract
A method of increasing the amount of alkali metal that is available during charge/discharge of an electrochemical cell that employs carbon based intercalation anodes is provided. The method comprises of prealkaliation of the carbon anode. By subjecting the anode carbon to the prealkaliation process prior to packaging the electrochemical cell, substantially all the alkali metal (e.g., lithium) which is originally present in the cathode will be available for migration between the anode and cathode during charge/discharge.
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