US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on April 21 for "Secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,305, issued on April 21, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Secondary battery" was invented by Yosuke Sato (Osaka Fu, Japan), Yusuke Saito (Osaka Fu, Japan) and Naoki Seki (Osaka Fu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary battery including a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a carbon material, a first silicon-containing material, and a second silicon-containing material. The first silicon-containing material includes a silicate phase, and first silicon phases dispersed in the silicate phase. The second silicon-cont...