System and method for depassivating a passivated lithium battery in a battery powered microprocessor controlled device
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United States of America Patent
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Jun 13, 1989
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N/A
app pub date -
Jan 15, 1988
filing date -
Jan 15, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for depassivating a passivated lithium battery in a battery powered microprocessor controlled device by successively and momentarily drawing current from the passivated battery after a turn on of the device while monitoring the power delivery condition of the battery under a load condition until salt crystals on an electrode of the battery are dissipated and the battery is returned to a useful power delivery condition or until a predetermined period of time has elapsed without the battery returning to the useful power delivery condition, whichever is sooner.
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