In industry, natural gas or water gas is generally used to produce hydrogen instead of electrolyzed water with high energy consumption. The prepared hydrogen is widely used in cracking reaction and synthetic ammonia production in petrochemical industry. Hydrogen molecules can enter the crystal lattice of many metals, resulting in the phenomenon of "hydrogen embrittlement", which makes the hydrogen storage tanks and pipelines need to use special materials (such as Monel alloy) and the design is more complicated.
Research history of hydrogen
Before the end of 18, many people had done experiments to make hydrogen, so it is hard to say who discovered hydrogen. Even cavendish, who has made great contributions to the discovery and research of hydrogen, thinks that the discovery of hydrogen is not only his credit. As early as16th century, the famous Swiss doctor's palace described that iron filings would produce a gas when they came into contact with acid.
/kloc-in the 0/7th century, Helmont (J.B. 1579- 1644), a famous Belgian medical chemist, accidentally came into contact with this gas, but failed to separate and collect it. Although Boyle collected this gas by accident, he didn't study it.