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Showing 1 to 1 of 1 for “"Kolloides Metall"”.
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PEM-fuel cell catalysts from nanoscopic precursors : a comparative study
… Formaldehyde reduction yields a mixture of bimetallic, alloyed Pt/Ru nanopowder(1.5nm) with big agglomerated grains of 15-20nm. In another case, use of stoichiometric excess of Li[Bet3H] and LiBH4 as the reducing agents yield a redispersible Pt/Ru colloid which is not long time stable. The …