Pyrolysis is a process involving the separation of covalent bonds in organic matter by thermal decomposition within an inert environment without oxygen.
Burning pieces of wood, showing various stages of pyrolysis, followed by oxidative combustion
Caramelized onions are slightly pyrolyzed.
This pizza is pyrolyzed, almost completely carbonized.
Hydrogen gas is produced by several industrial methods. Nearly all of the world's current supply of hydrogen is created from fossil fuels. Most hydrogen is gray hydrogen made through steam methane ref
H2 production cost ($-gge untaxed) at varying natural gas prices
Nano-galvanic aluminium-based powder developed by the U.S. Army Research Laboratory