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Plasma synthesis of lithium based intercalation powders for solid polymer electrolyte batteries

United States Patent

January 4, 2005
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
The invention relates to a process for preparing lithium intercalation compounds by plasma reaction comprising the steps of: forming a feed solution by mixing lithium nitrate or lithium hydroxide or lithium oxide and the required metal nitrate or metal hydroxide or metal oxide and between 10-50% alcohol by weight; mixing the feed solution with O.sub.2 gas wherein the O.sub.2 gas atomizes the feed solution into fine reactant droplets, inserting the atomized feed solution into a plasma reactor to form an intercalation powder; and if desired, heating the resulting powder to from a very pure single phase product.
Kong; Peter C. (Idaho Falls, ID), Pink; Robert J. (Pocatello, ID), Nelson; Lee O. (Idaho Falls, ID)
The United States of America as represented by the United States Department of Energy (Washington, DC)
10/ 261,675
October 2, 2002
U.S. GOVERNMENT RIGHTS The United States Government has rights in this invention pursuant to Contract No. DE-AC07-941D13223 between the U.S. Department of Energy and Bechtel BWXT Idaho, LLC, representing Idaho National Engineering & Environmental Laboratory.