Cycle testing step for research on sodium ion battery MoS2-based anode material

Latest updated: May 15, 2024
Video recording version: 8.0.0.516, compatible with BTS 8.0 software.
  • Turn on the pre-set cycle test work step file.

  • First set aside for 3 hour to allow the battery to stabilize internally.

  • Since the study was on anode materials, the battery was first discharged.

  • Setting the constant current discharger step.

  • After selecting the multiplier mode, enter a nominal specific capacity of 670 mAh/g and an activator mass of 2 mg.

  • Set the activation rate to 0.1C.

  • It is also possible to input current directly without selecting the multiplication mode

  • Small current activation helps to adjust the internal structure of the battery, including the uniform distribution of active substances and the stability of the solid-liquid interface.

  • It also reduces the polarization of the battery during cycling and improves the cycle stability and consistency of the battery.

  • According to the literature, the embedded sodium potential of MoS2 is mainly in the range of 0.5~1.0V.

  • Therefore, a voltage window of 0.1~3.0 V was chosen to cover the embedded sodium potential range of MoS2.

  • Ensures that the charging and discharging process takes place within the appropriate potential range.

  • It can also effectively avoid overcharging and overdischarging of battery materials.

  • Over-charging and over-discharging can lead to degradation of battery performance and safety, and even damage the structural stability of battery materials.

  • So here the cutoff discharge voltage is set to 0.1V and the charging cutoff voltage is set to 3.0V.

  • Cycle start step is 2, cycle number is 10.

  • Set the cycle rate to 2C and the number of cycles to 5000.

  • Because of the long cycle life of the material under study, a higher number of cycles is set.

  • You can set the cycle rate and the number of cycles according to your own needs.

  • The above demo parameters are for reference only, please refer to your own experiments.

  • After setting the parameters of the work step, just click start.

  •  

This operation video tutorial is applicable to the following products:
● CT-4000 Battery Testing System Series (CT-4008Q-5V100mA, CT-4008Q-5V6A-S1, CT-4008Q-5V6A-164, CT-4008Q-5V12A-S1, CT-4008Q-5V12A-164, etc.)
● CE-6000 Battery Testing System Series (Cell, Module, Pack, etc.)
● CT/CTE-8000 Battery Testing System Series (CT-8002Q-5V100mA, CTE-8008-5V200A, etc.)
● All-in-One Battery Testing System Series (WHW-25L-S-16CH, WIHW-200-160CH-B, WHW-100L-2-160CH, WHW-500L-5V6A80CH-380V, WGDW-380L-2-40BFC-5V600A8CH, etc.)



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