Infrared spectrum belongs to molecular vibration spectrum, which is a band spectrum formed by molecular vibration level transition and molecular rotational level transition. Infrared spectroscopy is a method of qualitative and quantitative analysis of the molecular structure of substances by infrared spectroscopy. The combination of XRD and infrared spectroscopy is widely used to analyze the structure of cathode materials produced by PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC of lithium ion batteries. By investigating the change of infrared absorption peak of positive material, the crystal structure of positive material was analyzed.
Raman spectrum, like infrared spectrum, is derived from molecular vibration and rotational energy transition. The molecular structure information can be obtained directly by Raman spectroscopy. Raman spectroscopy has high resolution and good reproducibility. In the production of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC cathode material for lithium ion batteries, the structural changes of the cathode material during charging and discharging can be analyzed by Raman spectroscopy.
When non-in-situ Raman spectroscopy is used, the PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC positive electrode material stays in a charging or discharging state is taken out, and the Raman spectrum is measured to obtain the structure of the positive electrode material at this time, and then compared with the state before charging or discharging. The structural changes of cathode material before and after charging and discharging can be obtained. In addition, in-situ Raman spectroscopy can be used to obtain real-time information about the structural changes of cathode materials during charging and discharging of lithium ion batteries.
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