PRODUCTION OF HIGH-DISPERSION BINARY PT-RU CLUSTER CATALYST

摘要

PURPOSE:To increase specific surface area by adding water soluble Ru compd. into an aq. soln. contg. the precursor of Pt cluster in the coexistence of H2O2 and forming a binary Pt-Ru cluster catalyst. CONSTITUTION:A precursor of water soluble substance or colloidal Pt cluster is prepared by adding a reducing agent to an aq. soln. of Pt compd. Then a binary Pt-Ru cluster catalyst is obtained by adding water soluble Ru compd. into an aq. soln. contg. this precursor in the coexistence of H2O2. When the production of such high-dispersion binary Pt-Ru cluster catalyst is applied, the diameter of a cluster is smaller in comparison with a conventional method. In other words, the specific surface area is large, control of composition is easy, and the high-performance catalyst can be produced.