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High-Rate Overcharge-Protection Separators for Rechargeable Lithium-Ion Batteries and the Method of Making the Same

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
Overcharge Protection Prevents Exploding Lithium Ion Batteries
This invention relates to low-cost, electroactive-polymer incorporated fine-fiber composite membranes for use as overcharge and/or overdischarge protection separators in non-aqueous electrochemical cells and the methods for making such membranes.
Chen, Guoying (Oakland, CA), Richardson, Thomas J. (Oakland, CA)
The Regents of the University of California (Oakland CA)
14/ 400,776
May 14, 2013
STATEMENT OF GOVERNMENTAL SUPPORT [0002] The invention described and claimed herein was made in part utilizing funds supplied by the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The government has certain rights in this invention.