ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,486, issued on Dec. 9, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).
"Negative electrode active material for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery" was invented by Shuhei Takeshita (Nagakute, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a technique that allows curtailing decreases in the durability of a nonaqueous electrolyte secondary battery. A negative electrode active material disclosed here is a particulate negative electrode active material used in a nonaqueous electrolyte secondary battery. The negative electrode active material contains graphite particles whi...