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Non-aqueous electrolyte for high voltage rechargeable magnesium batteries

United States Patent

February 10, 2015
View the Complete Patent at the US Patent & Trademark Office
An electrolyte for use in electrochemical cells is provided. The properties of the electrolyte include high conductivity, high Coulombic efficiency, and an electrochemical window that can exceed 3.5 V vs. Mg/Mg.sup.+2. The use of the electrolyte promotes the electrochemical deposition and dissolution of Mg without the use of any Grignard reagents, other organometallic materials, tetraphenyl borate, or tetrachloroaluminate derived anions. Other Mg-containing electrolyte systems that are expected to be suitable for use in secondary batteries are also described.
Doe; Robert Ellis (Norwood, MA), Lane; George Hamilton (St. Helens, AU), Jilek; Robert E. (Belmont, MA), Hwang; Jaehee (Cambridge, MA)
Pellion Technologies, Inc. (Cambridge, MA)
13/ 803,456
March 14, 2013
STATEMENT REGARDING FEDERALLY FUNDED RESEARCH OR DEVELOPMENT This invention was made with government support under award number DE-AR0000062, awarded by Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy. The government has certain rights in the invention.