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Fuel cell electric vehicles (FCEV) powered by hydrogen are climate-friendly along with powerful. The growing demand for these zero-emission drives is currently focused first of all on commercial vehicles. In Switzerland for instance, the ?H2 Mobility Initiative?, in collaboration with a significant automobile manufacturer, aims to introduce 1,600 hydrogen-powered trucks to its roads by 2025. By 2040, 30,000 trucks, 40,000 buses and 80,000 taxis in South Korea will have H2 within their fuel tanks.
Compared to the now widespread electric motors with batteries, the much more expensive hydrogen fuel cells facilitate a much greater range, with a similar power rating to a petrol or perhaps a diesel engine. Also, H2 vehicles could be refuelled in almost no time at all, in comparison with the charging times necessary for batteries.
The capacity of a hydrogen tank is governed by its physical size but additionally by its storage pressure: The higher this figure (commonly 700 bar for cars and 350 bar for trucks and buses), the more fuel can be stored in the tank.
WIKA pressure sensor MH-3-HY
To monitor this pressure, also for other pressure measurement tasks in an H2 drive system, WIKA has designed the sensor model MH-3-HY. The safety requirements for sensors of this kind have become stringent. ไดอะแฟรม ซีล need to be certified as hydrogen-compatible and must have been created for use in vehicles. The latter primarily affects the mechanical construction according of shock and vibration resistance, in addition to electromagnetic compatibility (EMC).
To ramp up the sales of hydrogen-fuelled commercial vehicles and cars, the appropriate network of filling stations must be expanded. With the model IS-3, for instance, the WIKA portfolio also contains a suitable sensor for filling stations, made with explosion protection.
Note
More info on Hydrogen, the model MH-3-HY and model IS-3 pressure sensors are available on the WIKA website. Do you want to buy pressure sensors? In our WIKA online-shop you will discover some of our standard designs. In case you have any questions, your contact will gladly assist you to.