ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,755,972, issued on Oct. 6, 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: "A secondary battery according to the present invention comprises a positive electrode, a negative electrode and an electrolyte solution; the electrolyte solution contains a lithium salt and a solvent containing water; the negative electrode comprises a negative electrode active material that contains a carbon material; with respect to the carbon material, the peak intensity ratio (D/G value) of the D ...