The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2023
Filed:
Sep. 30, 2021
System for electro-magnetic induction spectroscopy (emis) of battery cells while forming and cycling
GM Global Technology Operations Llc, Detroit, MI (US);
Erik Damon Huemiller, Waterford, MI (US);
Ryan Curtis Sekol, Grosse Pointe Woods, MI (US);
Shaomao Xu, Sterling Heights, MI (US);
Duane S. Carper, Davison, MI (US);
Nahel Eshaq, Rochester, MI (US);
Raffaello Ardanese, Bloomfield Hills, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
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.