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:
May. 26, 2026
Filed:
Aug. 19, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Jae Shin Yi, Seoul, KR;
Sang Jin Park, Bucheon, KR;
Tae Kyu Kang, Seoul, KR;
Byung Soo Park, Daejeon, KR;
Woo Sung Kim, Suwon, KR;
Soo Youn Park, Anyang, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Abstract
Disclosed are an apparatus and method for diagnosing a battery of a vehicle. The apparatus includes storage that stores a threshold value for each accumulated driving distance section corresponding to a state of the vehicle, and a controller that collects vehicle state information and battery state information from a plurality of vehicles, determines a maximum voltage difference change rate of a battery cell for an accumulated driving distance for each vehicle, and diagnoses an abnormality in a battery provided in each vehicle based on the maximum voltage difference change rate of the battery cell for the accumulated driving distance of each vehicle and a threshold value corresponding to the maximum voltage difference change rate.