GETRÄGERTER, DURCH KONTROLLIERTE STROMLOSE ABSCHEIDUNG ERHÄLTLICHER PLATINMETALL-KATALYSATOR

摘要

The invention relates to a supported platinum group metal catalyst obtainable by controlled electroless deposition of at least one platinum group metal from a deposition solution which comprises i) at least one homogeneously dissolved platinum group metal compound, ii) a reducing agent and iii) at least one control agent selected from isopolyacids and heteropolyacids of niobium, tantalum, molybdenum, tungsten and vanadium or their salts.