一种电池退役标准定义方法及系统
By defining battery capacity utilization and aging nonlinearity, a precise method for battery classification and retirement judgment is provided, which solves the problem of unscientific retirement standards for lithium-ion batteries and improves battery utilization and safety.
CN116953549BActive Publication Date: 2026-07-17SHANDONG UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANDONG UNIV
- Filing Date
- 2023-07-04
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The existing retirement standards for lithium-ion batteries lack scientific rigor, resulting in inaccurate utilization rates throughout the battery's lifespan, which poses safety hazards or leads to resource waste.
Method used
By defining battery capacity utilization rate and using the integral ratio of battery life degradation curve as a retirement indicator, the degree of aging nonlinearity is distinguished, providing an accurate method for battery classification and retirement judgment.
Benefits of technology
This improves the rationality and accuracy of battery retirement judgment, avoids misjudgments caused by traditional single capacity thresholds, and ensures battery safety and resource utilization efficiency.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN116953549B_ABST
Abstract
本发明提供了一种电池容量利用率评估与退役标准定义方法，以到达设定容量时电池寿命衰减曲线的积分与理想情况下电池寿命衰减曲线的积分的比值为容量利用率，实现了对电池寿命衰减曲线非线性的准确评估；以电池实时寿命衰减曲线的积分与到达设定容量时理想情况下电池寿命衰减曲线的积分的比值为电池退役指标，避免了单纯采用80％额定容量的一刀切判断带来的退役评估不准的问题，提高了电池退役判断的合理性和精确性。
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