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:
Jul. 01, 2025
Filed:
Mar. 30, 2023
SK on Co., Ltd., Seoul, KR;
SK ON CO., LTD., Seoul, KR;
Abstract
An apparatus and a method for determining a defect of a battery cell are disclosed. The defect determination apparatus according to an aspect includes: a temperature measurement unit configured to measure an aging temperature of the battery cell; a period determination unit configured to determine an aging period of the battery cell; an SOC determination unit configured to measure and determine a state of charge (SOC) of the battery cell at the start of aging; a voltage measurement unit configured to measure open circuit voltages (OCVs) of the battery cell at the start of aging and at the end of aging; and a defect determination unit configured to determine whether the battery cell is defective based on the aging temperature, the aging period, the SOC at the start of aging, the OCV at the start of aging and the OCV at the end of aging.