ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,886, issued on Nov. 11, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).
"Lithium secondary battery" was invented by Mikako Iwahana (Nagoya, Japan), Masanori Tajima (Nagoya, Japan) and Yukinobu Yura (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a lithium secondary battery including a positive electrode layer composed of a lithium complex oxide sintered body, a negative electrode layer composed of a titanium-containing sintered body, a ceramic separator interposed between the positive electrode layer and the negative electrode layer, an electrolyte with which at least the ceramic separator is impregnated, and an exteri...