Three Greek researchers have developed a new set of carbon nanotubes (CNT) that could store safely hydrogen for fuel-cell car applications. These researchers - Georgios Dimitrakakis, Emmanuel Tylianakis, and George Froudakis - modeled a structure made up from parallel graphene sheets, that is, layers of carbon just one atom thick. Each layer was stabilized by vertical columns of carbon nanotubes and lithium ions that helped increasing the storage capacity. These layers were found to be able to store up to 41 grams of hydrogen per liter, which almost matches the Department of Energy's requirements of 45 g/liter for transportation applications. Thanks to my buddy Chuck for the tip.

[Source: Science Daily]

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