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Thousands of hours of calculations on Rice University’s two fastest supercomputers found that the optimal architecture for packing hydrogen into “white graphene” involves making skyscraper-like frameworks of vertical columns and one-dimensional floors that are about 5.2 angstroms apart. In this illustration, hydrogen molecules (white) sit between sheet-like floors of graphene (gray) that are supported by boron-nitride pillars (pink and blue). Researchers found that identical structures made wholly of boron-nitride had unprecedented capacity for storing readily available hydrogen. (Credit: Lei Tao/Rice University)

‘Sweet spot’ in sweet material for hydrogen storage

Rice University engineers have focused in on the ideal engineering for putting away hydrogen in "white graphene" nanomaterials — an outline like a Lilliputian...