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. 28, 2026
Filed:
Sep. 08, 2022
Battery management system for determining a health of a power source based on an impedance indicator
Volkswagen Aktiengesellschaft, Wolfsburg, DE;
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Gianina Alina Negoita, San Leandro, CA (US);
William Arthur Paxton, Redwood City, CA (US);
Anirudh Allam, Stanford, CA (US);
Simona Onori, Palo Alto, CA (US);
Gabriele Pozzato, Palo Alto, CA (US);
Luca Pulvirenti, Redwood City, CA (US);
VOLKSWAGEN AKTIENGESELLSCHAFT, Wolfsburg, DE;
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, Stanford, CA (US);
Abstract
A method is provided. The method includes determining an open circuit voltage of a battery of a vehicle. The method also includes determining a voltage of a current provided to the battery of the vehicle. The method further includes determining a impedance indicator based on the voltage, the open circuit voltage, and the current provided to the battery of the vehicle. The method further includes determining a health of the battery based on the impedance indicator.