Energy Storage Science and Technology ›› 2019, Vol. 8 ›› Issue (5): 975-996.doi: 10.12028/j.issn.2095-4239.2019.0082

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Experimental measurement and analysis of Raman/infrared methods for lithium batteries

SUN Shuwei, ZHAO Huiling, YU Caiyan, BAI Ying   

  1. School of Physics and Electronics, Henan University, Kaifeng 475004, Henan, China
  • Received:2019-05-09 Revised:2019-06-01 Online:2019-09-01 Published:2019-06-11

Abstract: Raman spectroscopy and Fourier transform infrared spectroscopy (FTIR) are important physical characterization methods. They are widely used in the field of electrochemistry, especially in the field of lithium batteries. They are commonly used to analyze molecular valence bonds, functional group vibration and rotational energy level transition states, phase structure changes, stability, surface phenomena and reaction mechanism, the correlation spectroscopy data can calculate the bond energy, bond length, bond angle, etc. of the chemical bond. This paper introduces the basic principles, test methods, test precautions, common test equipment and test procedures of Raman and infrared spectroscopy, and analyzes Raman and infrared spectroscopy in lithium battery electrode materials, electrolytes and binders. The application of isocomponent analysis and its influence on the electrochemical stability of the product formed in the charge and discharge cycle.

Key words: Raman spectroscopy, Fourier transform infrared spectroscopy, test methods, analysis methods, lithium batteries

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