PECM Issue 69 2024 | Page 14

Advancing Pressure Measurement in the Hydrogen Industry with Silicon-on-Sapphire Technology

EDITOR ’ S CHOICE TRANSFORMATIVE TECHNOLOGY

ESI
Advancing Pressure Measurement in the Hydrogen Industry with Silicon-on-Sapphire Technology
The hydrogen industry is poised to revolutionise the global energy landscape , promising reduced carbon footprints and mitigating climate change . Accurate and reliable pressure measurement is critical in harnessing hydrogen ’ s potential , ensuring safety , efficiency , and precision . Silicon-on-sapphire ( SoS ) pressure transducers and transmitters are at the forefront of this advancement , transforming pressure measurement technology in the hydrogen industry .
Understanding Silicon-on- Sapphire Technology
Silicon-on-sapphire technology integrates a thin layer of silicon on a sapphire substrate , combining silicon ’ s semiconductor properties with sapphire ’ s mechanical strength and thermal stability . This results in a robust and highly sensitive pressure measurement device capable of performing in extreme environments .
Advantages of Silicon-on- Sapphire Pressure Transmitters
High Precision and Sensitivity : SoS pressure transmitters offer superior precision and sensitivity , essential for hydrogen systems where minor pressure variations can significantly impact safety and efficiency .
Temperature Stability :
Operating in extreme temperatures , hydrogen systems benefit from SoS technology ’ s minimal thermal drift . The sapphire substrate ’ s low thermal expansion coefficient ensures accurate pressure readings across a wide temperature range .
Durability and Corrosion Resistance :
Hydrogen environments can be harsh . Sapphire ’ s chemical inertness and mechanical robustness make SoS pressure transmitters highly resistant to corrosion and wear , ensuring long-term reliability and reduced maintenance costs .
High Pressure Capability :
Designed to withstand highpressure conditions , SoS pressure transmitters are ideal for hydrogen applications demanding robust performance under stress .
Applications in the Hydrogen Industry Hydrogen Production :
In methods like water electrolysis , precise pressure control is crucial . SoS pressure transmitters ensure optimal performance and safety by providing accurate monitoring and control .
Storage and Transportation : Accurate pressure management is essential in hydrogen storage and transportation . SoS pressure transmitters monitor storage tanks and vessels , ensuring safe operation and alerting operators to potential issues .
Fuel Cells : Hydrogen fuel cells require precise pressure regulation for optimal performance . SoS pressure transmitters maintain the necessary conditions , enhancing efficiency and longevity .
Hydrogen Refuelling Stations : Refuelling hydrogen-powered vehicles demands accurate pressure control . SoS pressure transmitters provide real-time data to manage the refuelling process safely and efficiently .
Enhancing Safety through Reliable Pressure Measurement
Safety is paramount in the hydrogen industry due to hydrogen gas ’ s high flammability and potential hazards . SoS pressure transmitters enhance safety with features such as :
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