18381328. SECONDARY BATTERY LIFE EVALUATION DEVICE AND METHOD THEREOF simplified abstract (SAMSUNG SDI CO., LTD.)
Contents
SECONDARY BATTERY LIFE EVALUATION DEVICE AND METHOD THEREOF
Organization Name
Inventor(s)
Yong Chan Kim of Yongin-si (KR)
Seon Hye Yoon of Yongin-si (KR)
Seon Yeong Lee of Yongin-si (KR)
Hack Jun Lee of Yongin-si (KR)
Chan Yeong Kim of Yongin-si (KR)
SECONDARY BATTERY LIFE EVALUATION DEVICE AND METHOD THEREOF - A simplified explanation of the abstract
This abstract first appeared for US patent application 18381328 titled 'SECONDARY BATTERY LIFE EVALUATION DEVICE AND METHOD THEREOF
Simplified Explanation: The patent application describes a method for evaluating the life of a secondary battery based on inputting temperature, charging rate, and discharging rate, computing an evaluation period, and calculating an acceleration factor using specific equations.
- The method evaluates the life of a secondary battery by considering temperature, charging rate, and discharging rate.
- It computes an evaluation period based on the state of health, capacity degradation rate, and direct current internal resistance change rate.
- An acceleration factor is calculated using a specific equation involving the direct current internal resistance increase rate and capacity degradation rate.
Key Features and Innovation:
- Evaluation of secondary battery life based on temperature, charging rate, and discharging rate.
- Computation of evaluation period considering state of health, capacity degradation rate, and internal resistance change rate.
- Calculation of acceleration factor using a specific equation involving resistance increase rate and capacity degradation rate.
Potential Applications: This technology can be applied in the field of battery management systems for electric vehicles, renewable energy storage systems, and portable electronic devices.
Problems Solved: This technology addresses the need for accurate evaluation of secondary battery life to optimize performance and longevity.
Benefits:
- Improved battery management and performance optimization.
- Enhanced efficiency and longevity of secondary batteries.
- Better understanding of battery health and degradation factors.
Commercial Applications: The technology can be utilized in the development of advanced battery management systems for various industries, including automotive, renewable energy, and consumer electronics.
Questions about Battery Life Evaluation: 1. How does the method calculate the evaluation period for the secondary battery? 2. What are the key factors considered in determining the acceleration factor for the battery?
Frequently Updated Research: Researchers are continually exploring new methods and technologies for improving battery life evaluation and management systems. Stay updated on the latest advancements in this field for potential future applications.
Original Abstract Submitted
A method for evaluating a life of a secondary battery, including an evaluation condition input process of inputting a temperature, a charging rate, and a discharging rate to evaluate the life of the secondary battery, a data computation process of computing an evaluation period, in which a state of health of the secondary battery reaches a set range, a capacity degradation rate, and a direct current internal resistance change rate, and an acceleration factor calculation process of calculating an acceleration factor of the secondary battery using a first equation, the first equation being that the acceleration factor is equal to the direct current internal resistance increase rate divided by the capacity degradation rate.
