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Electrode assemblies, plasma apparatuses and systems including electrode assemblies, and methods for generating plasma

United States Patent

8,536,481
September 17, 2013
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
Electrode assemblies for plasma reactors include a structure or device for constraining an arc endpoint to a selected area or region on an electrode. In some embodiments, the structure or device may comprise one or more insulating members covering a portion of an electrode. In additional embodiments, the structure or device may provide a magnetic field configured to control a location of an arc endpoint on the electrode. Plasma generating modules, apparatus, and systems include such electrode assemblies. Methods for generating a plasma include covering at least a portion of a surface of an electrode with an electrically insulating member to constrain a location of an arc endpoint on the electrode. Additional methods for generating a plasma include generating a magnetic field to constrain a location of an arc endpoint on an electrode.
Kong; Peter C (Idaho Falls, ID), Grandy; Jon D (Idaho Falls, ID), Detering; Brent A (Idaho Falls, ID), Zuck; Larry D (Idaho Falls, ID)
Battelle Energy Alliance, LLC (Idaho Falls, ID)
12/ 020,735
20090188898
January 28, 2008
GOVERNMENT RIGHTS This invention was made with government support under a Cooperative Research and Development Agreement between PPG Industries and Battelle Energy Alliance, LLC under Contract No. DE-AC07-05ID14517, awarded by the U.S. Department of Energy. The government has certain rights in the invention.