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Lead Acid Battery Slurry Comprising Polyelectrolyte Comb Copolymers

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
The invention provides a slurry, such as a lead-acid battery slurry, comprising a polyelectrolyte comb copolymer and lead oxide. Use of polyelectrolyte comb copolymers results in a slurry with low viscosity. In addition, the use of polyelectrolyte comb copolymers controls the growth (e.g., size, morphology and location) of the inactive species, and thus, improves battery cycle life.
Armstrong, Beth L. (Clinton, TN), Kirby, Glen H. (Liberty Township, OH)
12/ 237,504
September 25, 2008
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] The United States Government has rights in this invention pursuant to contract no. DE-AC05-000R22725 between the United States Department of Energy and UT-Battelle, LLC.