Simultaneous Strain and Temperature Discrimination in 18650 Li-ion Batteries Using Polarization-Maintaining Fiber Bragg Gratings

Matuck, Lucca; Pinto, João; Marques, Carlos; Nascimento, Micael

doi:10.3390/batteries8110233

Cited by 20 publications

(12 citation statements)

References 32 publications

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“…FBG sensors have garnered significant attention in battery monitoring applications since their initial use in 2013 [94]. Originally employed to monitor the real-time surface temperature distribution, surface strain, and SOC of batteries [64,[95][96][97][98][99][100][101][102], their monitoring capabilities have subsequently expanded to include temperature, strain, pressure, and chemical reaction processes within the battery.…”

Section: Online Monitoring Of Battery Degradationmentioning

confidence: 99%

Advancements in Battery Monitoring: Harnessing Fiber Grating Sensors for Enhanced Performance and Reliability

Yu,

Chen,

Deng

et al. 2024

Sensors

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Batteries play a crucial role as energy storage devices across various industries. However, achieving high performance often comes at the cost of safety. Continuous monitoring is essential to ensure the safety and reliability of batteries. This paper investigates the advancements in battery monitoring technology, focusing on fiber Bragg gratings (FBGs). By examining the factors contributing to battery degradation and the principles of FBGs, this study discusses key aspects of FBG sensing, including mounting locations, monitoring targets, and their correlation with optical signals. While current FBG battery sensing can achieve high measurement accuracies for temperature (0.1 °C), strain (0.1 με), pressure (0.14 bar), and refractive index (6 × 10−5 RIU), with corresponding sensitivities of 40 pm/°C, 2.2 pm/με, −0.3 pm/bar, and −18 nm/RIU, respectively, accurately assessing battery health in real time remains a challenge. Traditional methods struggle to provide real-time and precise evaluations by analyzing the microstructure of battery materials or physical phenomena during chemical reactions. Therefore, by summarizing the current state of FBG battery sensing research, it is evident that monitoring battery material properties (e.g., refractive index and gas properties) through FBGs offers a promising solution for real-time and accurate battery health assessment. This paper also delves into the obstacles of battery monitoring, such as standardizing the FBG encapsulation process, decoupling multiple parameters, and controlling costs. Ultimately, the paper highlights the potential of FBG monitoring technology in driving advancements in battery development.

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Section: Online Monitoring Of Battery Degradationmentioning

confidence: 99%

Advancements in Battery Monitoring: Harnessing Fiber Grating Sensors for Enhanced Performance and Reliability

Yu,

Chen,

Deng

et al. 2024

Sensors

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“…Thus, in applications using PM-FBG sensors, a simple dual-parameter decoupling can be performed by using the matrixial method though the obtained sensitivities. PM-FBG sensors were already used to decouple strain and temperature variations in a battery shell surface [6]. Fiber loop mirror (FLM) sensors have been also reported in the literature to simultaneous discriminate parameters [7][8].…”

Section: Introductionmentioning

confidence: 99%

Dual parameters discrimination comparison between two types of optical fiber sensors during the operation of a Li-ion battery

Matuck

Pinto

Marques

et al. 2023

European Workshop on Optical Fibre Sensors (EWOFS 2023)

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In this work, a comparison between the temperature and strain decoupling performed by a bare polarization-maintaining FBG (PM-FBG) sensor and by a hybrid sensing setup, involving the slow peak of the PM-FBG and the fringe shift of the fiber loop mirror (FLM) interferometer (FLM+FBGslow), was studied and discussed. To promote such comparison, the sensors were submitted to temperature and strain variations at the surface of a cylindrical Li-ion battery (LiB), cycling between 3.0 V and 4.2 V. The data spread of the FLM+FBGslow indicates a root mean square deviation of ± 0.1 °C and ± 7.8 μ, against ± 0.5 °C and ± 9.7 μ in PM-FBG, for temperature and strain, respectively. The matrixial method through the sensitivities values of each sensor was used for data processing. Although both sensing configurations showed similar trend behavior of strain and temperature variations during all the experiment, the FLM+FBGslow setup presented better accuracy when compared to the PM-FBGs, however, it could only perform measurements in all the LiB extension, while the PM-FBG could provide data regarding a specific spot of the LiB. The highest temperature and strain variations were achieved in the end of the discharge processes. Keywords: Fiber loop mirror, polarization-maintaining

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“…In this connection, a power splitter split the power of the light signal with 90 % going to the optical power meter and 10 % to the polarimeter. Compared to other types of fiber optic sensors [6][7][8][9][10][11][12][13][14][15][16][17][18][19], the sensor described here was developed with particular emphasis on security systems, military facilities, Ex-Proof and biomedical environments.…”

Section: Introductionmentioning

confidence: 99%

Optimization of a polarized light detector for a polarizing optical fiber sensor

Kyselak¹,

Slavíček²,

Grenar³

et al. 2023

SPIE Future Sensing Technologies 2023

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This paper analyzes the method of measuring optical power with an emphasis on the known methods of measuring the power of polarized light propagating through an optical fiber by two polarization axes. The method relies on monitoring the change in the behavior of the sensor fiber parameters when the temperature conditions in its surroundings change. This work deals with the possibilities of measuring the optical power for each propagation axis separately. Simultaneous measurement of the instantaneous state of polarization and a very accurate measurement of the wavelength makes it possible to obtain the necessary information about nonlinear phenomena in the optical fiber. The design of various connections that were selected for implementation in the laboratory is described in detail. The practical implementation includes a set of measurements under different conditions in which a source of temperature change was applied and the response of the parameters to these changes was monitored. The results were measured with a polarimeter and a power meter and are presented in graphs and summarized in the discussion.

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Simultaneous Strain and Temperature Discrimination in 18650 Li-ion Batteries Using Polarization-Maintaining Fiber Bragg Gratings

Cited by 20 publications

References 32 publications

Advancements in Battery Monitoring: Harnessing Fiber Grating Sensors for Enhanced Performance and Reliability

Advancements in Battery Monitoring: Harnessing Fiber Grating Sensors for Enhanced Performance and Reliability

Dual parameters discrimination comparison between two types of optical fiber sensors during the operation of a Li-ion battery

Optimization of a polarized light detector for a polarizing optical fiber sensor

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