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Advancements in Battery Monitoring: Harnessing Fiber Grating Sensors for Enhanced Performance and Reliability
Kaimin Yu1, Wen Chen2, Dingrong Deng1
1School of Marine Equipment and Mechanical Engineering, Jimei University, Xiamen 361021, China.
Sensors (Basel, Switzerland)
|April 13, 2024
Summary
Fiber Bragg gratings (FBGs) offer advanced battery monitoring, improving safety and reliability. Monitoring material properties with FBGs shows promise for real-time battery health assessment, overcoming traditional limitations.
Area of Science:
- Materials Science
- Electrical Engineering
- Sensor Technology
Background:
- Batteries are vital energy storage devices, but safety concerns limit performance.
- Continuous monitoring is crucial for battery safety and reliability.
- Traditional monitoring methods lack real-time precision for battery health assessment.
Purpose of the Study:
- To investigate advancements in battery monitoring using fiber Bragg gratings (FBGs).
- To explore the potential of FBGs for real-time battery health assessment.
- To identify challenges and future directions in FBG-based battery monitoring.
Main Methods:
- Examining factors contributing to battery degradation.
- Analyzing the principles and sensing capabilities of FBGs.
- Discussing FBG mounting, monitoring targets, and optical signal correlations.
Main Results:
- FBGs demonstrate high accuracy in measuring temperature (0.1 °C), strain (0.1 με), pressure (0.14 bar), and refractive index (6 × 10-5 RIU).
- FBG sensing shows high sensitivity for various parameters.
- Real-time battery health assessment remains challenging with current FBG applications.
Conclusions:
- Monitoring battery material properties (refractive index, gas properties) via FBGs is a promising approach for real-time health assessment.
- Standardizing FBG encapsulation, parameter decoupling, and cost control are key obstacles.
- FBG technology holds significant potential for advancing battery development and safety.
