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Stabilization of battery electrodes using polymer coatings

United States Patent

9,853,318
December 26, 2017
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
An electrochemical device (e.g., a battery (cell)) including: an aqueous electrolyte and one or two electrodes (e.g., an anode and/or a cathode), one or both of which is a Prussian Blue analogue material of the general chemical formula A.sub.xP[R(CN).sub.6-jL.sub.j].sub.z.nH.sub.2O, where: A is a cation; P is a metal cation; R is a transition metal cation; L is a ligand that may be substituted in the place of a CN.sup.- ligand; 0.ltoreq.x.ltoreq.2; 0.ltoreq.z.ltoreq.1; and 0.ltoreq.n.ltoreq.5, the electrode including a polymer coating to reduce capacity loss.
Wessells; Colin Deane (Palo Alto, CA), Huggins; Robert Alan (Stanford, CA)
Natron Energy, Inc. (Santa Clara, CA)
13/ 892,982
May 13, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under ARPA-E Award No. DE-AR000300 With Alveo Energy, Inc., awarded by DOE. The government has certain rights in the invention.