Safety battery
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United States of America Patent
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Issued Date -
Oct 28, 2004
app pub date -
Jun 19, 2003
filing date -
Jun 20, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a battery comprising at least one electrochemical cell comprising a leakproof container provided with a capsule suitable for opening in the event of excess internal pressure, and a fire-proofing safety device, the battery being characterized in that said safety device is for preventing reaction products expelled from the cell igniting in the presence of air and comprises in combination: at least one collector means for collecting the products expelled via said capsule so as to convey them out from the battery; and at least one spray means for spraying an agent in the form of a fluid inside said collector means, said agent enabling the temperature of said products to be lowered and preventing or quenching ignition thereof.
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