US Patent Issued to TONGJI UNIVERSITY on May 27 for "Method for diagnosing internal short circuit of battery based on relaxation voltage" (Chinese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,694, issued on May 27, was assigned to TONGJI UNIVERSITY (Shanghai).

"Method for diagnosing internal short circuit of battery based on relaxation voltage" was invented by Haifeng Dai (Shanghai), Xuezhe Wei (Shanghai), Xueyuan Wang (Shanghai) and Guangxu Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method for diagnosing an internal short circuit of a battery based on a relaxation voltage, including: 1) acquiring a relaxation voltage curve of each cell in a battery after a current is unloaded under same conditions of the battery; 2) extracting features from the relaxation voltage curve of each cell t...