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Study of stress evolution on lithium metal anodes via fiber Bragg grating sensing technology
Peng Wang1, Yichong Chen1, Aoyuan Chen1
1Center of Energy Storage Materials & Technology, College of Engineering and Applied Sciences, Jiangsu Key Laboratory of Artificial Functional Materials, National Laboratory of Solid State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P. R. China.
Abstract:
Fiber Bragg grating (FBG) is used for real-time monitoring of the surface stress of lithium metal anodes. By correlating stress signals with the morphology of lithium anodes operating in different electrolyte systems and at different current densities, we demonstrated the application prospects of FBG in the morphology perception, performance prediction and failure monitoring of lithium anodes.
