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Energies
Volume 14
Issue 12
10.3390/en14123617
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Review

The Importance of Optical Fibres for Internal Temperature Sensing in Lithium-ion Batteries during Operation

by
Markus S. Wahl
1,
Lena Spitthoff
1,
Harald I. Muri
2,
Asanthi Jinasena
1,
Odne S. Burheim
1 and
Jacob J. Lamb
1,2,*
1
Department of Energy and Process Engineering & ENERSENSE, NTNU, 7491 Trondheim, Norway
2
Department of Electronic Systems & ENERSENSE, NTNU, 7491 Trondheim, Norway
*
Author to whom correspondence should be addressed.
Energies 2021, 14(12), 3617; https://doi.org/10.3390/en14123617
Submission received: 14 April 2021 / Revised: 19 May 2021 / Accepted: 15 June 2021 / Published: 17 June 2021
(This article belongs to the Special Issue Advanced Technology to Improve Energy Efficiency and Storage)
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Abstract

Lithium-ion batteries (LiBs) are widely used as energy storage systems (ESSs). The biggest challenge they face is retaining intrinsic health under all conditions, and understanding internal thermal behaviour is crucial to this. The key concern is the potentially large temperature differences at high charge/discharge rates. Excess heat created during charge/discharge will accelerate irreversible aging, eventually leading to failure. As a consequence, it is important to keep battery states within their safe operating range, which is determined by voltage, temperature, and current windows. Due to the chemically aggressive and electrically noisy environment, internal temperature measurement is difficult. As a result, non-invasive sensors must be physically stable, electromagnetic interference-resistant, and chemically inert. These characteristics are provided by fibre Bragg grating (FBG) sensors, which are also multiplexable. This review article discusses the thermal problems that arise during LiB use, as well as their significance in terms of LiB durability and protection. FBG-based sensors are described as a technology, with emphasis on their importance for direct temperature measurement within the LiB cell.
Keywords: lithium-ion batteries; thermal management; temperature measurement; optical fibre sensors; fibre Bragg grating lithium-ion batteries; thermal management; temperature measurement; optical fibre sensors; fibre Bragg grating

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MDPI and ACS Style

Wahl, M.S.; Spitthoff, L.; Muri, H.I.; Jinasena, A.; Burheim, O.S.; Lamb, J.J. The Importance of Optical Fibres for Internal Temperature Sensing in Lithium-ion Batteries during Operation. Energies 2021, 14, 3617. https://doi.org/10.3390/en14123617

AMA Style

Wahl MS, Spitthoff L, Muri HI, Jinasena A, Burheim OS, Lamb JJ. The Importance of Optical Fibres for Internal Temperature Sensing in Lithium-ion Batteries during Operation. Energies. 2021; 14(12):3617. https://doi.org/10.3390/en14123617

Chicago/Turabian Style

Wahl, Markus S., Lena Spitthoff, Harald I. Muri, Asanthi Jinasena, Odne S. Burheim, and Jacob J. Lamb. 2021. "The Importance of Optical Fibres for Internal Temperature Sensing in Lithium-ion Batteries during Operation" Energies 14, no. 12: 3617. https://doi.org/10.3390/en14123617

APA Style

Wahl, M. S., Spitthoff, L., Muri, H. I., Jinasena, A., Burheim, O. S., & Lamb, J. J. (2021). The Importance of Optical Fibres for Internal Temperature Sensing in Lithium-ion Batteries during Operation. Energies, 14(12), 3617. https://doi.org/10.3390/en14123617

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