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      Energy & Mobility

        • Battery packs pressure equalizing and evacuation vent caps, image 1

        Battery packs pressure equalizing and evacuation vent caps

        As mobility is changing to electric and hybrid vehicle, Lithium-ion batteries acquired a leading role in the automotive market. To power vehicles, rechargeable batteries are arranged in packs and do offer a high ratio of energy per unit volume. Li-Ion Batteries do need robust protection from harsh external conditions like water, dirt, contaminants and automotive fluids, along with adequate venting to compensate different pressures between the interior of the storage unit and its environment.

        To protect battery life and safety, GVS has developed specific pressure-equalizing caps with integrated safety function that protects the battery housing against exceeding over-or under pressure which might happen for example in case of a cell failure or mechanical damage. In that case, the GVS product opens temporary a larger the cross-section for the ventilation, preventing a burst of the battery housing, allowing fast evacuation and restoring as quick as possible the controlled pressure equalization.

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        Properties

        • Pressure equalizing with integrated safety function against over/under pressure
        • Hydrophobic and oleophobic membranes
        • Standard and High-Temperature resistance series available
        • Protection against water, dirt, contaminants, and other automotive fluids
        • Different IP rating degrees of protection

        Characteristics

        Body material
        Vent body made of PBT
        O-ring material
        EPDM or Silicone depending on specific customer and temperature requirement
        High level of flexibility
        ready to be used and quick to be assembled
        Easy installation
        integration into existing equipment without additional parts needed

        Applications

        • Battery packs and Fuel Cell
        • Control Units
        • Sensors and Actuators
        • Converters and Inverters
        • Starter motors and electronic pumps
        • Lighting

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