State of the Art of Hydrogen Production via Pyrolysis of Natural Gas

Fossil fuels have to be substituted by climate neutral fuels to contribute to CO₂ reduction in the future energy system. Pyrolysis of natural gas is a well-known technical process applied for production of, e. g., carbon black.
In the future it might contribute to carbon dioxide-free hydrogen production. Production of hydrogen from natural gas pyrolysis has thus gained interest in research and energy technology in the near past. If the carbon by-product of this process can be used for material production or can be sequestrated, the produced hydrogen has a low carbon footprint.
This article reviews literature on the state of the art of methane/ natural gas pyrolysis process developments and at-tempts to assess the technology readiness level (TRL).