ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,146, issued on Oct. 7, was assigned to Daido Steel Co. Ltd. (Nagoya, Japan).
"Electrode material for lithium-ion battery and Si alloy composite powder" was invented by Kazuki Minami (Nagoya, Japan) and Yuta Kimura (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an electrode material for lithium ion battery, containing: a graphite powder; and a Si alloy composite powder, in which the Si alloy composite powder has an average particle diameter of 5 micro metre or less and contains Si particles, Si-X compound particles (X=Fe, Ni, Cr, Co, Mn, Zr, or Ti), and at least one of Sn-Y compound particles and Al-Y co...