公开(公告)号：US11630158B1

公开(公告)日：2023-04-18

申请号：US17490519

申请日：2021-09-30

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Erik Damon Huemiller ,  Ryan Curtis Sekol ,  Shaomao Xu ,  Duane S. Carper ,  Nahel Eshaq ,  Raffaello Ardanese

IPC: G01R31/382 ,  H01M10/48 ,  G01R31/392 ,  H01M10/0525 ,  H01M10/42

Abstract: A system for testing a battery cell includes a test fixture configured to enclose the battery cell, a battery cycler configured to alternately charge and discharge the battery cell, an antenna mounted on a surface of the test fixture, the antenna configured to detect an electromagnetic signature of the battery cell and generate a signal indicative of the electromagnetic signature, and a detection module configured to receive the signal and detect characteristics of the battery cell based on the signal.