Doped nanomaterial could cut fuel cell costs



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Nitrogen-doped carbon nanotubes or modified grapheme nano ribbons could be effective, less costly replacements for expensive platinum in fuel cells, according to a new study.

In fuel cells, platinum is used for fast oxygen reduction, the key reaction that transforms chemical energy into electricity.

The findings come from computer simulations scientists created to see how carbon nanomaterials could be improved for fuel-cell cathodes. Their study reveals the atom-level mechanisms by which doped nanomaterial’s catalyze oxygen reduction reactions (ORR).


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