Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Subhash K. Dhar0
Hong Wang0
Srinivasan Venkatesan0
Stanford R. Ovshinsky0
Date of Patent
February 13, 2007
Patent Application Number
10427272
Date Filed
May 1, 2003
Patent Primary Examiner
Patent abstract
A method and system for electrochemically purifying an impure stream of hydrogen. Hydrogen is absorbed into a gas diffusion anode from the impure hydrogen stream and oxidized to form hydrogen ions and electrons which are released into an alkaline solution. An electrolytic cathode also positioned in the alkaline solution decomposes water to form hydrogen and hydroxyl ions which combine with the hydrogen ions to maintain equilibrium of the system.
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