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1. WO2008043766 - CATHODE FOR ELECTROLYTIC PROCESSES

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Publication Number WO/2008/043766
Publication Date 17.04.2008
International Application No. PCT/EP2007/060728
International Filing Date 09.10.2007
Chapter 2 Demand Filed 20.10.2008
IPC
C25B 11/04 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
11Electrodes; Manufacture thereof not otherwise provided for
04characterised by the material
CPC
C23C 18/08
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
18Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
02by thermal decomposition
08characterised by the deposition of metallic material
C25B 1/34
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
1Electrolytic production of inorganic compounds or non-metals
01Products
34Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
C25B 11/0478
C25B 11/0494
Applicants
  • INDUSTRIE DE NORA S.P.A. [IT]/[IT] (AllExceptUS)
  • ANTOZZI, Antonio, Lorenzo [IT]/[IT] (UsOnly)
  • BARGIONI, Claudia, Jennifer [IT]/[IT] (UsOnly)
  • CALDERARA, Alice [IT]/[IT] (UsOnly)
  • IACOPETTI, Luciano [IT]/[IT] (UsOnly)
  • MARTELLI, Gian, Nicola [IT]/[IT] (UsOnly)
  • URGEGHE, Christian [IT]/[IT] (UsOnly)
Inventors
  • ANTOZZI, Antonio, Lorenzo
  • BARGIONI, Claudia, Jennifer
  • CALDERARA, Alice
  • IACOPETTI, Luciano
  • MARTELLI, Gian, Nicola
  • URGEGHE, Christian
Agents
  • REITSTÖTTER KINZEBACH
Priority Data
MI 2006 A 00194711.10.2006IT
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CATHODE FOR ELECTROLYTIC PROCESSES
(FR) CATHODE POUR PROCESSUS ÉLECTROLYTIQUES
Abstract
(EN)
The invention relates to a cathode for electrolytic processes, particularly suitable for hydrogen evolution in chlor-alkali electrolysis, consisting of a nickel substrate provided with a coating comprising a protective zone containing palladium and a physically distinct catalytic activation containing platinum or ruthenium optionally mixed with a highly oxidising metal oxide, preferably chromium or praseodymium oxide.
(FR)
L'invention concerne une cathode pour processus électrolytiques, convenant en particulier pour l'évolution de l'hydrogène dans l'électrolyse chloro-alcaline. Ladite cathode est constituée d'un substrat de nickel comportant un revêtement comprenant une zone protectrice contenant du palladium et une zone d'action catalytique physiquement distincte contenant du platine ou du ruthénium mélangés éventuellement avec un oxyde métallique hautement oxydant, de préférence de l'oxyde de chrome ou de praséodyme.
Also published as
AU2007306373
BRPI0719830
CA2665569
CN101522952
DK2084308
EG2009040479
EG27319
EP2084308
ES2583989
IL197751
IN1361/KOLNP/2009
ITMI20061947
JP2010506050
KR1020090098792
MXMX/a/2009/003792
NO20091653
PT2084308
RU0002446235
RU2009117607
US12422514
US20090194411
ZA2009/02129
Latest bibliographic data on file with the International Bureau
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