ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,310, issued on July 7, was assigned to RESONAC Corp. (Tokyo).
"Negative electrode material for lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, lithium-ion secondary battery and method of producing negative electrode for lithium-ion secondary battery" was invented by Kento Hoshi (Tokyo) and Yoshinori Uchiyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode material for a lithium-ion secondary battery includes: graphitic particles having a standard deviation of degree of circularity of from 0.05 to 0.10 in a range in which a cumulative frequency of degree of circularity from a lower degree...