Method and System for Predicting Useful Life of a Rechargeable Battery
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
Mar 30, 2015
filing date -
Apr 1, 2014
priority date (Note) -
Published
status (Latency Note)
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Abstract
System and method for predicting the remaining useful life (RUL) of a rechargeable battery, such as a lithium-ion rechargeable battery. In a method, the capacity of the battery is determined based on at least changes of state of charge values estimated at a first and second time and a net charge flow of the battery and applying a particle filter to a capacity degradation formula using the determined capacity to form a capacity degradation model and determining the RUL using the capacity degradation model using a pre-defined end of service threshold. The system and method may be used to predict the RUL of a rechargeable battery in an implantable medical device.
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International Classification(s)
- 2015 Application Filing Year
- H01M Class
- 5536 Applications Filed
- 4391 Patents Issued To-Date
- 79.32 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 30 Citation Count
- H01M Class
- 90.91 % this patent is cited more than
- 10 Age