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Method to blend separator powders

United States Patent

December 4, 2007
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A method for making a blended powder mixture, whereby two or more powders are mixed in a container with a liquid selected from nitrogen or short-chain alcohols, where at least one of the powders has an angle of repose greater than approximately 50 degrees. The method is useful in preparing blended powders of Li halides and MgO for use in the preparation of thermal battery separators.
Guidotti; Ronald A. (Albuquerque, NM), Andazola; Arthur H. (Albuquerque, NM), Reinhardt; Frederick W. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
10/ 246,609
September 16, 2002
This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the United States Department of Energy. The Government has certain rights in the invention.