Hydrogen, a Promising Energy Carrier
10/11/2021
Hydrogen acts as a bridge between a primary energy source and its end uses. TotalEnergies is interested in the production of renewable hydrogen (green hydrogen) and low-carbon hydrogen (blue hydrogen). To meet our ambition of achieving carbon neutrality by 2050, together with society, we are also working with our suppliers and partners to decarbonize all the fossil hydrogen (grey hydrogen) we use. Read the infographic below to discover the three colors of hydrogen and their production processes.
TotalEnergies
Hydrogen, a Promising Energy Carrier
Two Production Process and Three Colors:
From fossil energies
Gray Hydrogen: When exposed to very hot steam, natural gas reacts to produce hydrogen. This is the most widely used process, but it has the disadvantage of releasing CO2.
Blue Hydrogen: To decarbonize gray hydrogen, the released CO2 can be captured and stored. This is what is known as blue hydrogen.
From renewable energies
Green hydrogen: Green hydrogen is produced via water electrolysis using renewable energies. Green hydrogen has the most attractive potential for the future.
Green hydrogen’s four areas of application:
- It can be injected into natural gas networks, thereby helping to decarbonize them.
- It offsets the intermittent nature of renewable energies by offering a storage solution.
- It promotes the development of electric mobility when combined with a fuel cell.
- It helps decarbonize industrial processes.