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IIT Jodhpur - hydrogen sensor
August 26 , 2019
1919 days
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- A sensor that can detect hydrogen gas even when present at extremely low concentration of 1 part per million (ppm) has been developed by researchers at the Indian Institute of Technology (IIT) Jodhpur in collaboration with IIT Hyderabad.
- The sensor has 30% sensitivity to detect hydrogen at 1 ppm concentration and as high as 74% sensitivity when the concentration of the gas is 100 ppm.
- It takes about 25 seconds to detect hydrogen.
- Hydrogen gas is a pollution-free, renewable source of energy and is seen as a fuel of choice in the future.
- However, hydrogen is highly explosive and flammable in nature.
- It is a small molecule and can readily mix with air but detecting hydrogen gas leakage become quite difficult particularly as it is colourless and tasteless.
- So, a sensor that can detect it even when present at very low concentration becomes essential.
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