In operando measuring circumferential internal strain of 18650 Li-ion batteries by thin film strain gauge sensors

Zhu, Shengxin; Yang, Le; Wen, Jiawei; Feng, Xiaolong; Zhou, Peijun; Xie, Fuguo; Zhou, Jiang; Wang, Yana

doi:10.1016/j.jpowsour.2021.230669

Cited by 30 publications

(22 citation statements)

References 27 publications

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“…However, the limited information obtained by current external sensors makes it hard for accurate and robust estimations under different scenarios. On the other hand, the internal sensing technology promotes smart battery development with highly efficient detection and management, such as thin film strain gauge and fiber sensing methods 146,147 . For example, Wei et al 148 proposed a joint estimation framework with an embedded and distributed fiber optical sensor for internal and surface temperature measurement.…”

Section: Acquisition Of Battery Aging Data Setsmentioning

confidence: 99%

“…On the other hand, the internal sensing technology promotes smart battery development with highly efficient detection and management, such as thin film strain gauge and fiber sensing methods. 146,147 For example, Wei et al 148 proposed a joint estimation framework with an embedded and distributed fiber optical sensor for internal and surface temperature measurement. After understanding the internal structure of the cylindrical battery by computerized tomography scanning, a 0.9 mm hole is drilled into the center of the negative terminal.…”

Section: Energy and Environmental Science Reviewmentioning

confidence: 99%

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Health prognostics for lithium-ion batteries: mechanisms, methods, and prospects

Che

Lin

et al. 2023

Energy Environ. Sci.

110

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Section: Acquisition Of Battery Aging Data Setsmentioning

confidence: 99%

Section: Energy and Environmental Science Reviewmentioning

confidence: 99%

Health prognostics for lithium-ion batteries: mechanisms, methods, and prospects

Che

Lin

et al. 2023

Energy Environ. Sci.

110

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“…More recently, Wang et al [42] developed a new concept of strain gauge compatible with the in-situ integration in cylindrical 18,650 cells. Figure 7 shows the approach used for the integration of the sensor in cathode layer of the cell: to create the space for placing the thin film strain gauge, a small area of the active material of the cathode was removed from the aluminum support using N-Methyl pyrrolidone (NMP).…”

Section: Strain Gaugesmentioning

confidence: 99%

A Review of Mechanical and Chemical Sensors for Automotive Li-Ion Battery Systems

Rocca

Giuliano

Nicol

et al. 2022

Sensors

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The electrification of passenger cars is one of the most effective approaches to reduce noxious emissions in urban areas and, if the electricity is produced using renewable sources, to mitigate the global warming. This profound change of paradigm in the transport sector requires the use of Li-ion battery packages as energy storage systems to substitute conventional fossil fuels. An automotive battery package is a complex system that has to respect several constraints: high energy and power densities, long calendar and cycle lives, electrical and thermal safety, crash-worthiness, and recyclability. To comply with all these requirements, battery systems integrate a battery management system (BMS) connected to an complex network of electric and thermal sensors. On the other hand, since Li-ion cells can suffer from degradation phenomena with consequent generation of gaseous emissions or determine dimensional changes of the cell packaging, chemical and mechanical sensors should be integrated in modern automotive battery packages to guarantee the safe operation of the system. Mechanical and chemical sensors for automotive batteries require further developments to reach the requested robustness and reliability; in this review, an overview of the current state of art on such sensors will be proposed.

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“…The most direct approach to detect electrode deformation is by embedding fiber-optic sensors [4] or thin-film strain gauge sensors [5] on the internal electrode surfaces of the battery. The strain of the electrode has shown a high correlation with its state of charge and can be used to assess the battery's health and charge status.…”

Section: Introductionmentioning

confidence: 99%

A Novel Temperature Compensation Method for Surface Strain of Cylindrical Lithium-ion Batteries

Sun,

Mao

2023

J. Phys.: Conf. Ser.

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In order to ensure the safe operation of lithium-ion batteries, real-time monitoring of battery status is necessary. The surface strain signal of lithium-ion batteries has the potential to evaluate the battery’s state, but it is significantly affected by temperature. Generally, measuring the battery surface temperature and the thermal expansion coefficient can be performed to quantify and eliminate the influence of temperature on strain, but this increases the cost and complexity of strain measurement. This article proposes a method that eliminates the need to measure the battery temperature and material parameters. By simultaneously measuring the circumferential and axial strains on the battery surface and calculating their difference, the influence of temperature on strain can be minimized. Furthermore, the effectiveness of the proposed method is experimentally tested. Results demonstrate that after applying temperature compensation to commercial lithium-ion batteries, the influence of temperature on strain can be reduced from 16.4 ppm/°C to 1.7 ppm/°C. The strain no longer exhibits sensitivity to current, making it more suitable for evaluating the state of lithium-ion batteries.

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In operando measuring circumferential internal strain of 18650 Li-ion batteries by thin film strain gauge sensors

Cited by 30 publications

References 27 publications

Health prognostics for lithium-ion batteries: mechanisms, methods, and prospects

Health prognostics for lithium-ion batteries: mechanisms, methods, and prospects

A Review of Mechanical and Chemical Sensors for Automotive Li-Ion Battery Systems

A Novel Temperature Compensation Method for Surface Strain of Cylindrical Lithium-ion Batteries

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