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:
Oct. 06, 2026
Filed:
Dec. 29, 2023
Shandong University, Jinan, CN;
SHANDONG UNIVERSITY, Jinan, CN;
Abstract
A stress-based comprehensive method and system for evaluating state of health of a power battery, medium and device, the method including: acquiring the stress and capacity of a battery charging and discharging cycle; correlating between acquired stress and capacity, calculating the battery charge and health states based on stress; evaluating the battery charge state by correlating the stress and battery charge state; acquiring a current battery capacity and internal resistance and predicting remaining useful battery life to calculate current capacity-based and internal resistance-based states of battery health respectively; and calculating a weighted sum of the battery state of health based on stress, the capacity-based and the internal resistance-based states of battery health, and obtaining a comprehensively evaluated state of battery health by combining the weighted sum and evaluated state of battery charge.
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