Pressure relief element, pressure relief device and battery
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United States of America Patent
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Jan 16, 2018
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N/A
app pub date -
Nov 16, 2012
filing date -
Nov 16, 2011
priority date (Note) -
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Abstract
The present invention relates to a pressure relief element (11) to be used as an overpressure safety means in devices where a gaseous medium must be rapidly released in case of overpressure, wherein the pressure relief element (11) has at least one notch (9) which is designed as a predetermined breaking point where the pressure relief element (11) breaks at a certain level of overpressure, thereby irreversibly opening an exhaust path for the gaseous medium. The present invention also relates to a pressure relief device of an electrochemical battery, comprising such a pressure relief element and a battery comprising such a pressure relief device.
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