Individual cell-level temperature monitoring of a lithium-ion battery pack

Alcock, Keith M. ORCID: https://orcid.org/0000-0003-0958-9141, González-Vila, Álvaro, Beg, Mustehsan, Vedreño-Santos, Francisco, Cai, Zuansi, Alwis, Lourdes S. M. and Goh, Keng (2023) Individual cell-level temperature monitoring of a lithium-ion battery pack. Sensors, 23 (9). ISSN 1424-8220

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Abstract

The work described herein details the deployment of an optical fibre strand with five fibre Bragg grating (FBG) sensors for individual cell-level temperature monitoring of a three-cell lithium-ion battery pack. A polymer guide tube with 3D printed plinths is employed, resulting in high precision temperature readings with an average error of 0.97 °C, 1.33 °C, and 1.27 °C for FBG sensors on each battery cell, surpassing traditional thermocouple and platinum resistance sensors in some circumstances. The temperature response of FBGs positioned between battery cells demonstrates that, in addition to sensing temperature at the cell level, temperature data can be effectively acquired between cells, suggesting that FBGs may be used to monitor the heat radiated from individual cells in a battery pack.

Item Type: Article
Uncontrolled Keywords: fos,fbg,bragg,lithium-ion,battery,temperature monitoring,guide tube,analytical chemistry,information systems,instrumentation,atomic and molecular physics, and optics,electrical and electronic engineering,biochemistry,sdg 7 - affordable and clean energy ,/dk/atira/pure/subjectarea/asjc/1600/1602
Faculty \ School: Faculty of Science
Faculty of Science > School of Engineering
Related URLs:
Depositing User: LivePure Connector
Date Deposited: 23 Jan 2024 01:39
Last Modified: 27 Jan 2024 03:14
URI: https://ueaeprints.uea.ac.uk/id/eprint/94216
DOI: 10.3390/s23094306

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