US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on May 12 for "Secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,922, issued on May 12, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Secondary battery" was invented by Kazuhiro Iida (Nara, Japan) and Masanobu Takeuchi (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This secondary battery comprises a positive electrode, a negative electrode, and an electrolyte solution. The electrolyte solution includes a solvent containing water as a main component, and a lithium salt. The negative electrode has a negative electrode active material that includes a carbon material. The Raman spectrum of the carbon material, which is obtained by Raman spectroscopy, indicates that ...