ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,508, issued on Dec. 9, was assigned to South 8 Technologies Inc. (San Diego).
"Chemically inert additives for electrochemical cells" was invented by Cyrus S. Rustomji (San Diego), Jungwoo Lee (San Diego), James Royer (San Diego) and Miguel Ceja (Manteca, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safe electrolyte comprising a liquefied gas solvent that will transition from a liquid state to a gas state ("gas off") at a pressure of 100 kPa and at a temperature of 293.15 K is disclosed. The electrolyte is a mixture of a compressed gas solvent and a salt, and includes a hydrocarbon solvent of a sufficient concentration to promote solubility...