ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,830, issued on Sept. 22, was assigned to LG ENERGY SOLUTION LTD. (Seoul, South Korea).
"Battery diagnosis apparatus and method" was invented by Jeong Wan Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a battery diagnosis apparatus including a calculating unit for calculating degrees of aging of a battery cell and a battery module including the battery cell, a measuring unit for measuring an alternating current (AC) impedance of a battery pack including the battery module, an estimating unit for estimating a state of health (SOH) of the battery pack based on the AC impedance of the battery pack, and a diag...