US Patent Issued to TOYOTA JIDOSHA on Feb. 10 for "Method of producing lithium ion secondary battery and negative electrode material" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,793, issued on Feb. 10, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Method of producing lithium ion secondary battery and negative electrode material" was invented by Hiroto Asano (Nisshin, Japan) and Shinsuke Matsuhara (Miyoshi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a lithium ion secondary battery includes preparing an electrode body which includes a positive electrode and a negative electrode and in which the negative electrode contains a negative electrode material containing a porous graphite particle having open pores and SiO2 disposed in the open pores, producing a battery assembly including the e...