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The research team headed by Zhang Tao, a researcher at the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, has made important progress in the deuterium decomposition hydrogen reaction. For the first time, an inexpensive nickel catalyst was used to efficiently decompose hydrogen from hydrazine hydrate at room temperature, providing a new source of hydrogen for development. Ideas.
The team led by Professor Tao Zhang has long devoted himself to the research of decomposing catalysts , and conducted systematic research on the basis of the efficient use and replacement of precious metals. This time, they used hydrotalcite as a precursor to prepare a new type of nickel-alumina catalyst. The material has both high metal dispersity and strong alkalinity, can completely decompose hydrazine hydrate at room temperature, and hydrogen selectivity can reach 98%.
It is reported that thorium is an important liquid propellant that is widely used in the attitude and orbit control of various space vehicles. The combination of hydrazine and water to form hydrazine hydrate can be used as an ideal hydrogen storage material to meet the needs of hydrogen for special applications. However, the difficulty of this process lies in the development of high-performance catalysts, and it is necessary to increase the selectivity and activity of hydrogen production under mild conditions. The research results of existing high-performance catalysts mainly focus on noble metal alloy nanoparticle catalysts, development of non-precious metal catalysts, and it is very challenging to achieve efficient decomposition of hydrazine hydride under normal temperature conditions.
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