Precious metal oxide catalyst for water electrolysis
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United States of America Patent
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Jul 12, 2011
Grant Date -
Dec 20, 2007
app pub date -
Oct 29, 2004
filing date -
Oct 29, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
/g, a water solubility of lower than 0.15 g/l and is present in a quantity of less than 20 wt. % based on the total weight of the catalyst. The claimed catalyst materials are characterised by a low oxygen overvoltage and long lifetime in water electrolysis. The catalysts are used in electrodes, catalyst-coated membranes and membrane-electrode-assemblies for PEM electrolyzers as well as in regenerative fuel cells (RFC), sensors, and other electrochemical devices.
First Claim
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International Classification(s)
- C25D:PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC ....
- C25C:PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVER....
- C25B:ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE ....
- H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- B23H:WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRA....
- C25F:PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIAL....
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