Wie wird die Wasserstoffferzeugung umweltfreundlicher?

Technische Physik Wasserstofferzeugung

Wasserstoff hat gegenüber Benzin den 2,75-fachen Energieinhalt pro Kilogramm. Er könnte sich so als Energiequelle für Fahrzeuge, Flugzeuge und Schiffe eignen. Wenn die Herstellung und Speicherung effizienter und umweltfreundlicher wäre.

Dr. Manfred Scholz, Thiemo Fleck

23.09.2021

Wasserstoff als Chemie-Basisprodukt wird heute weltweit zu 96 % aus fossilen Energieträgern (vorrangig Erdgas) und zu 4 % durch Elektrolyse hergestellt. In Raffinerien wie auch in der Kohle-Stahl-Industrie fallen erhebliche Mengen an Wasserstoff an, meist werden sie aber auch vor Ort wieder genutzt. Nur ein kleiner Anteil des weltweit erzeugten Wasserstoffs wird als sogenannter Merchant Hydrogen (merchant: Händler) gehandelt. Es ist Wasserstoff, der frei in den Handel kommt und nicht in Industriekomplexen sofort wieder verbraucht wird.

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