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Hydrogen as a clean new energy, combustion will only produce water in the process of use, and the advantage of zero emission has always been concerned by manufacturers in the industry, but because of its storage problems and its flammability with air, it has not been effectively used in the production of commercial vehicles.

Researchers at the Cham University of Technology in Sweden have developed an optical nano-sensor using metal curium, which works by generating electrons to hydrogen pressure from the outside world through nano-sized metal anodes. and the electron changes to produce different colors of light at the same time. Palladium alloy absorbs a large amount of hydrogen. Therefore, when the hydrogen content in the environment changes, the plasma effect will cause the sensor to change color. Hydrogen is chemically active and easily reacts with air and some flammable metals, so the detection of hydrogen leakage must be reacted in a very short time.

Researchers from the Department of Physics at Chalms University of Technology said that the metal sensors studied by the research team will not affect the life span because of time, and the working effect is stable. The research results are not only suitable for hydrogen pressure detection of hydrogen fuel cell models, but also suitable for chemical industry, aerospace and other fields.

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