US Patent Issued to TOYOTA JIDOSHA on May 20 for "Battery system and method for evaluating lithium-ion battery degradation" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,260, issued on May 20, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Battery system and method for evaluating lithium-ion battery degradation" was invented by Hiroki Nagai (Aichi-ken, Japan), Hiroki Tashiro (Nisshin, Japan), Yoshihiro Uchida (Nagakute, Japan), Mitsuhiro Kuzuba (Kasugai, Japan) and Yuki Sugo (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "ECU evaluates high-rate degradation of a lithium-ion battery, using a score and an in-plane score. The score is an index for evaluating unevenness in salt concentration of an electrode body in a lamination direction of the electrode body. The in-plane score is an index for eval...