ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,796, issued on Sept. 1, was assigned to Jiangsu Xiangying New Energy Technology Co. LTD. (Changzhou City, China).

"Cathode active material for sodium-ion batteries, and preparation method therefore and application thereof" was invented by Liming Gong (Changzhou City, China), Huan Zhong (Changzhou City, China), Jie Huang (Changzhou City, China), Wen Jiang (Changzhou City, China) and Liang Chen (Changzhou City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a cathode active material for sodium-ion batteries and a preparation method therefor and an application thereof. The cathode active material has a chemical formula of NaxNiyFezM...