Health monitoring by optical fiber sensing technology for rechargeable batteries

Zhang, Yi; Li, Yanpeng; Guo, Zezhou; Li, Jianbo; Ge, Xiaoyu; Sun, Qizhen; Yan, Zhijun; Li, Zhen; Huang, Yangyang

doi:10.1016/j.esci.2023.100174

Cited by 3 publications

(2 citation statements)

References 109 publications

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“…1–7 Sodium-ion batteries (SIBs), with a high (∼2.75%) crystal content and low price, are considered to be potential substitutes for LIBs. 8–12 In the last two decades, SIBs have received unprecedented attention due to their similar physicochemical properties and operating mechanisms as LIBs. 13–16 Furthermore, research into LIBs can provide a shortcut to the pioneering of SIBs.…”

Section: Introductionmentioning

confidence: 99%

Wide-temperature-range sodium-metal batteries: from fundamentals and obstacles to optimization

Sun,

Li,

Zhou

et al. 2023

Energy Environ. Sci.

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Section: Introductionmentioning

confidence: 99%

Wide-temperature-range sodium-metal batteries: from fundamentals and obstacles to optimization

Sun,

Li,

Zhou

et al. 2023

Energy Environ. Sci.

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“…It is well known that the pressure of the cell greatly impacts the performance of the battery [1][2][3] drawing interest from numerous groups. 4,5 At higher pressures, the plating properties of lithium metals tend to form less dendritic morphology and favor smoother lithium metal plating. The smoother form of lithium metal formation is beneficial due to the decreased contact area between lithium metal surfaces and liquid electrolyte, resulting in less continuous SEI formation.…”

mentioning

confidence: 99%

Impact of Pressure Distribution and Magnitude on the Performance of Lithium Metal Anodes

Shea,

Huang,

et al. 2024

J. Electrochem. Soc.

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Li metal anodes are a critical battery technology due to their ability to substantially increase the energy density of Li-based batteries. It is well known that pressure greatly impacts the performance of a Li-metal anode. However, precisely how the pressure value and distribution of pressure affect performance is unclear. Furthermore, the solid-electrolyte interphase composition that forms under varying pressure distributions remains a key parameter for practical lithium metal anodes. In this work, different pressure distributions were employed by using differently shaped and oriented mechanical springs in the coin cells, resulting in varying contact points. Pressure-sensitive films were used to spatially map the pressure and correlate it to the performance. It was found that higher average pressure does not necessarily have a positive effect on performance. When high pressure is paired with poor pressure uniformity, the performance is in fact worse likely due to the current focusing effect, rendering unsatisfied cycling stability. This work points to the importance of controlling the relationship between average pressure and pressure uniformity.

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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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Health monitoring by optical fiber sensing technology for rechargeable batteries

Cited by 3 publications

References 109 publications

Wide-temperature-range sodium-metal batteries: from fundamentals and obstacles to optimization

Wide-temperature-range sodium-metal batteries: from fundamentals and obstacles to optimization

Impact of Pressure Distribution and Magnitude on the Performance of Lithium Metal Anodes

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

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