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Hydrogen production by high-temperature water splitting using electron-conducting membranes

United States Patent

6,726,893
April 27, 2004
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
A device and method for separating water into hydrogen and oxygen is disclosed. A first substantially gas impervious solid electron-conducting membrane for selectively passing hydrogen is provided and spaced from a second substantially gas impervious solid electron-conducting membrane for selectively passing oxygen. When steam is passed between the two membranes at disassociation temperatures the hydrogen from the disassociation of steam selectively and continuously passes through the first membrane and oxygen selectively and continuously passes through the second membrane, thereby continuously driving the disassociation of steam producing hydrogen and oxygen.
Lee; Tae H. (Naperville, IL), Wang; Shuangyan (Hinsdale, IL), Dorris; Stephen E. (LaGrange Park, IL), Balachandran; Uthamalingam (Hinsdale, IL)
The University of Chicago (Chicago, IL)
10/ 245,039
20040050801
September 17, 2002
The United States Government has rights in this invention pursuant to Contract No. W-31-109-ENG-38 between the U.S. Department of Energy (DOE) and The University of Chicago representing Argonne National Laboratory.