Graphmatech – Reducing hydrogen gas leakage from pipes and storage vessels by more than 40% using graphene.
Hydrogen is a key part of the transition to a sustainable future, but it poses engineering challenges; the gas molecules are very small, easily escaping through different types of materials. In addition, Hydrogen gas is stored at extreme pressure- and temperature conditions.
The materials currently used in Type IV pressure vessels and pipes for storage and transportation therefore leak hydrogen into the atmosphere.
Hydrogen leakage is not only an expensive waste, but it also makes the climate problem worse; hydrogen gas has an eleven times higher global warming potential (GWP) over a 100-year time horizon than CO2 according to Atmospheric implications of increased Hydrogen use.
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Graphmatech has developed and sells a graphene-enhanced, high-density polyethylene (HDPE) solution that reduces hydrogen leakage by more than 40%, among many other improvements, as shown by extensive testing.
All test results depend on masterbatch loading and production method. This opens the possibility for graphene-enhanced solutions for fuel-cell vehicles and airplanes, among other applications.
Torkel Nord Bjärneman, Business Development Manager at Graphmatech, said:
Our AROS MBTM HDPE line provides an easily accessible lane to clean mobility, and it will help the industry towards better pipes and pressure vessels.
“Graphmatech is proud of our growing contribution to the green transition.”
The AROS MBTM HDPE product line are masterbatches, suitable for extrusion, extrusion blow molding, and injection molding, now available in sample sizes of 1kg and 5kg off the shelf with technical data sheets.
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Reducing hydrogen gas leakage from pipes and storage vessels by more than 40% using graphene, Uppsala, Sweden, September 13, 2022
