US Patent Issued to TOYOTA JIDOSHA on March 11 for "All solid state battery" (Japanese Inventor)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,687, issued on March 11, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"All solid state battery" was invented by Hideaki Watanabe (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A main object of the present disclosure is to provide an all solid state battery capable of decreasing the heating value. The present disclosure achieves the object by providing an all solid state battery comprising a cathode layer, an anode layer, and a solid electrolyte layer formed between the cathode layer and the anode layer, and the cathode layer includes a complex cathode active material containing a spinel type active material, and a lithium oxi...