B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/42 (2006.01) B01J 21/18 (2006.01) B01J 23/40 (2006.01) B01J 23/46 (2006.01) B01J 23/62 (2006.01) B01J 23/652 (2006.01) B01J 35/00 (2006.01) B01J 37/02 (2006.01) H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 4/92 (2006.01)
Patent
CA 2479261
The invention relates to heterogeneous catalysts which are particularly easy to produce. Said heterogeneous catalysts are generated by immobilizing preformed monometallic or multimetallic metal oxide particles in situ on an oxidic or non-oxidic carrier, wherefore metal oxide colloids which are stabilized by hydroxide ions and immobilized on carriers contained in the suspension are generated from conventional, water-soluble metal salts by means of hydrolysis and condensation. The inventive method makes it possible to produce fuel cell catalysts, for example.
L'invention concerne des catalyseurs hétérogènes productibles de manière particulièrement simple. Ces catalyseurs sont générés par immobilisation in situ de particules d'oxyde métallique monométalliques ou multimétalliques préformées sur un support oxydant ou non oxydant. A cet effet, des colloïdes d'oxyde métallique stabilisés par des ions hydroxyde sont produits à partir de sels métalliques hydrosolubles d'usage courant par hydrolyse et condensation et immobilisés sur les supports présents dans la solution. Le procédé selon l'invention permet entre autres de générer des catalyseurs pour cellules électrochimiques.
Lopez Marco
Reetz Manfred T.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Studiengesellschaft Kohle Mbh
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