US Patent Issued to Asahi Kasei on Sept. 15 for "Nonaqueous electrolyte solution and nonaqueous secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,542, issued on Sept. 15, was assigned to Asahi Kasei K.K. (Tokyo).

"Nonaqueous electrolyte solution and nonaqueous secondary battery" was invented by Naoki Matsuoka (Tokyo) and Makoto Ito (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a nonaqueous electrolyte solution which contains a nonaqueous solvent and a lithium salt, wherein: the nonaqueous solvent contains acetonitrile in an amount of 3% by volume to 97% by volume relative to the total amount of the nonaqueous solvent; the lithium salt contains a cyclic anion-containing lithium salt that is represented by formula (1) (wherein Rf moieties may be the same ...