US Patent Issued to TOYOTA JIDOSHA on Oct. 14 for "All-solid battery" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,773, issued on Oct. 14, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"All-solid battery" was invented by Hiroshi Tsubouchi (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an all-solid battery that can reduce electrical resistance after a cycle. The all-solid battery includes a cathode layer, an anode layer, and a solid electrolyte layer. The solid electrolyte layer is formed between the cathode layer and the anode layer. The anode layer contains a Si-based active material. The Si-based active material is a secondary particle having a plurality of primary particles. When a sum of void volume inside the primary partic...