On March 30, 2021, the federal government’s innovation officer for "green hydrogen" Dr. Stefan Kaufmann visited the Materials Testing Institute at the University of Stuttgart, and learned about its 40 years of experience in hydrogen material research and about how modern materials can support the implementation of the federal government’s hydrogen strategy.
As well as its excellent properties as an energy source, hydrogen can also diffuse into metals and change them, since a hydrogen atom is smaller than all other atoms. Even high-strength materials can lose their advantageous properties as a result of this process. ...