CATALYST FOR A FUEL CELLThe present invention provides a process for preparing a catalyst precursor, said process comprising the steps of (i) providing PtXalloy particles on a support material and (ii) applying a shell of X …DRIVE·Jun 9·1 min readFollowH01M4/921JOHNSON MATTHEY FUEL CELLS LIMITED
NANOPARTICLES AND PREPARATION METHODThe present invention concerns methods of forming metal-containing nanoparticles or oxide thereof, especially metal alloy nanoparticles. The method the steps of providing at least two different kinds …DRIVE·Jul 22·1 min readFollowB22F9/24JOHNSON MATTHEY FUEL CELLS LIMITED
CATALYSTAn electrocatalyst material comprising: (i) a support material comprising a plurality of individual support particles or aggregates; (ii) first particles comprising a first metal and an alloying metal…DRIVE·Oct 8·1 min readFollowH01M4/8652JOHNSON MATTHEY FUEL CELLS LIMITED
CATALYSTA platinum alloy catalyst PtXY, wherein X is a transition metal (other than platinum, palladium or iridium) and Y is a transition metal (other than platinum, palladium or iridium) which is less leacha…DRIVE·Aug 15·1 min readFollowH01M4/921JOHNSON MATTHEY FUEL CELLS LIMITED