ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,652, issued on March 3, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Zinc secondary battery" was invented by Hiroshi Suyama (Mishima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a zinc secondary battery with an improved cycle characteristic. The zinc secondary battery of the disclosure has a positive electrode layer, a covering film-attached porous film layer and a negative electrode layer in that order, with an electrolyte solution impregnating the positive electrode layer, the covering film-attached porous film layer and the negative electrode layer, wherein the covering film-attached porous film l...