• Acta Photonica Sinica
  • Vol. 52, Issue 9, 0906002 (2023)
Wenhui SHI1, Hao WANG1, Hui CAO1, Yixin LIU1, Jianyu LI1, Jiajin ZHENG1、2、*, and Wei WEI1、2、*
Author Affiliations
  • 1College of Electronic and Optical Engineering & College of Flexible Electronics,Nanjing University of Posts and Telecommunications,Nanjing 210023,China
  • 2Jiangsu Special Optical Fiber Materials and Devices Preparation and Application Engineering Research Centre,Nanjing 210023,China
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    DOI: 10.3788/gzxb20235209.0906002 Cite this Article
    Wenhui SHI, Hao WANG, Hui CAO, Yixin LIU, Jianyu LI, Jiajin ZHENG, Wei WEI. In-situ Monitoring of the Internal Status of Lithium Batteries Based on Fiber Bragg Grating Sensors[J]. Acta Photonica Sinica, 2023, 52(9): 0906002 Copy Citation Text show less
    Schematic and physical photos of the internal safety monitoring experimental device for soft pack lithium-ion batteries based on FBG sensors
    Fig. 1. Schematic and physical photos of the internal safety monitoring experimental device for soft pack lithium-ion batteries based on FBG sensors
    Performance characterization of FBG2
    Fig. 2. Performance characterization of FBG2
    Performance of pouch cell implanted FBG
    Fig. 3. Performance of pouch cell implanted FBG
    Temperature and stress changes with time during the working cycles of FBG implanted in pouch cell
    Fig. 4. Temperature and stress changes with time during the working cycles of FBG implanted in pouch cell
    Serial numberWavelength /nmTemperature performanceStress properties
    FBG11 544.239.2 pm/℃1.3 pm/με
    FBG21 548.299.4 pm/℃1.4 pm/με
    FBG31 552.689.3 pm/℃1.2 pm/με
    Table 1. FBG sensors related parameters and sensing performance
    Wenhui SHI, Hao WANG, Hui CAO, Yixin LIU, Jianyu LI, Jiajin ZHENG, Wei WEI. In-situ Monitoring of the Internal Status of Lithium Batteries Based on Fiber Bragg Grating Sensors[J]. Acta Photonica Sinica, 2023, 52(9): 0906002
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