Turning hydrogen into kilometres

Fuel cell electric vehicles (FCEV) powered by hydrogen are climate-friendly and also powerful. The growing demand for these zero-emission drives happens to be focused first and foremost on commercial vehicles. In Switzerland for example, the ?H2 Mobility Initiative?, in pressure gauge 10 bar with a major 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 could 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 a diesel engine. Also, H2 vehicles can be refuelled in minimal time at all, when compared to the charging times necessary for batteries.
The capability 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 within an H2 drive system, WIKA has designed the sensor model MH-3-HY. เพรสเชอร์เกจ for sensors of this kind are very stringent. They need to be certified as hydrogen-compatible and must have been designed for use in vehicles. The latter primarily affects the mechanical construction in respect of shock and vibration resistance, and also electromagnetic compatibility (EMC).
To crank up the sales of hydrogen-fuelled commercial vehicles and cars, the appropriate network of filling stations needs to be expanded. With the model IS-3, for example, the WIKA portfolio also contains a suitable sensor for filling stations, designed with explosion protection.
Note
Further information on Hydrogen, the model MH-3-HY and model IS-3 pressure sensors are available on the WIKA website. Would you like to buy pressure sensors? Inside our WIKA online-shop you will find some of our standard designs. Should you have any questions, your contact will gladly help you.

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