Robuta

https://www.ornl.gov/technology/202205249
type vdevelopmentprintingassistedtanks
https://www.nist.gov/publications/humidity-standard-compressed-hydrogen-fuel-cell-technology
Compressed hydrogen is one of the most important utilities in fuel cell industry.
fuel cell technologycompressed hydrogenhumiditystandardnist
https://www.atlascopco.com/en-gr/compressors/wiki/compressed-air-articles/compressed-hydrogen-safety-concerns
Working with any fuel poses some dangers, and hydrogen is no exception. However, by taking the proper steps, you can minimize any compressed hydrogen safety...
compressed hydrogensafety concernsatlas copcocommongreece
https://www.osti.gov/pages/biblio/1104286-graphene-physics-insulator-metal-transition-compressed-hydrogen
The U.S. Department of Energy's Office of Scientific and Technical Information
compressed hydrogengraphenephysicsinsulatormetal