Illustration of Graphene Sheets and Magnesium Nanocrystal (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Illustration of Graphene Sheets and Magnesium Nanocrystal

Caption

Thin sheets of graphene oxide (red sheets) have natural, atomic-scale defects that allow hydrogen gas molecules to pass through while blocking larger molecules such as oxygen (O2) and water (H2O). Berkeley Lab researchers encapsulated nanoscale magnesium crystals (yellow) with graphene oxide sheets to produce a new formula for metal hydride fuel cells.

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(Jeong Yun Kim)

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