An Adaptive Sensorless Measurement Technique for Internal Temperature of Li-Ion Batteries Using Impedance Phase Spectroscopy

This article proposes an adaptive sensorless measurement technique for internal temperature of lithium-ion (Li-ion) batteries. The proposed technique is based on measuring the impedance phase of the battery in real time by a simple search algorithm. The proposed technique then identifies the zero-cr...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2020-05, Vol.56 (3), p.3043-3051
Main Authors: Hussein, Ala A., Fardoun, Abbas A.
Format: Article
Language:English
Subjects:
Battery charge measurement
Impedance
Impedance measurement
internal temperature
lithium-ion (Li-ion) battery
Lithium-ion batteries
Measurement techniques
Rechargeable batteries
Search algorithms
Temperature
Temperature measurement
Temperature sensors
zero-crossing frequency
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Description
Summary:This article proposes an adaptive sensorless measurement technique for internal temperature of lithium-ion (Li-ion) batteries. The proposed technique is based on measuring the impedance phase of the battery in real time by a simple search algorithm. The proposed technique then identifies the zero-crossing frequency at which the phase of the impedance is zero. From the value of the zero-crossing frequency, the cell's internal temperature is estimated. Details on the proposed technique followed by the experimental verification using a 3.8-V/2600-mAh Samsung Li-ion battery cell at temperatures between −20 °C and +50 °C are presented.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2020.2979783