US Patent Issued to NGK INSULATORS on April 14 for "Lithium secondary cell" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,327, issued on April 14, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).

"Lithium secondary cell" was invented by Haruo Otsuka (Ichinomiya-City, Japan) and Tetsushige Yoshida (Nagoya-City, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a lithium secondary cell, a positive electrode includes a sheet-like positive current collector having conductivity and a positive active material plate that is a plate-like ceramic sintered body containing a lithium composite oxide. The positive active material plate is bonded to the positive current collector via a conductive bonding layer. The positive active material plate is penetrated by the condu...