tmax Pressure Compensation and Pressure Overload Valve for Lithium-Ion Battery Housings

tmax's patented pressure compensation and pressure overload valve prevents the spread of fire inside battery housings.

Tmax Patented Pco Valve
tmax

The tmax pressure compensation and pressure overload valve (PCO valve) provides increased fire protection in case of thermal runaway (i.e. fire) inside lithium-ion battery housings.

  • Releases flue gases into the environment in a controlled process once a defined overpressure has been reached to help prevent spread if fire occurs
  • Structure is fireproof
  • Ensures a very low tolerance of the individually designed burst pressure (starting at 250 mbar)
  • Features a compact design and complies with the protection class IP67 and IP6K9K
  • Parameters of the airflow and burst pressure can be easily scaled by adjusting the geometry
  • Metallic design ensures optimal EMC shielding and enables an optional connection for routed smoke degassing via a connected duct system
  • Use of a semi-permeable membrane compensates for the natural heat expansion during the charging and discharging of the battery and the air pressure fluctuations in the environments
  • Rupture disk is used for the pressure overload function (burst function)


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