Method for producing a catalyst

Details Method for producing a catalyst Method for producing a catalyst

B - Operations, Transporting

01

J

B01J 37/34 (2006.01) B01D 53/86 (2006.01) B01D 53/94 (2006.01) C25D 5/18 (2006.01) C25D 5/34 (2006.01) F01N 3/28 (2006.01) H01M 4/88 (2006.01) C25D 3/50 (2006.01)

Patent

CA 2367848

The invention relates to a method for producing a catalyst. Catalytically active material is electrochemically deposited onto a substrate, whilst the substrate is immersed in an electrolyte containing the catalytically active material. A voltage is applied between the substrate and a counter-electrode, whereby the catalytically active material is deposited onto a metal substrate whilst the substrate which is to be coated is subjected to current or voltage pulses of a predetermined amplitude and/or frequency, and whereby the catalytically active material is directly and immovably fixed to the substrate.

Procédé de préparation d'un catalyseur, qui consiste à déposer de manière électrochimique une matière catalytiquement active sur un substrat par immersion dudit substrat dans un électrolyte qui contient la matière catalytiquement active, et à appliquer de la tension entre le substrat et une contre-électrode. La matière catalytiquement active est déposée sur le substrat métallique par le fait que ledit substrat à recouvrir est soumis à des impulsions de courant ou de tension d'amplitude et/ou de fréquence prédéterminées, la matière catalytiquement active adhérant ainsi immédiatement et solidement au substrat.

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