4. Conclusion
In conclusion, the pre-lithiation method could effectively enhance the
battery performance compared to CM. In particular, the EM4C sample shows
the highest battery performance with the discharged capacity of 137.06
and 97.87 mAh.g-1 in the first and
80th cycle, while the CM30 demonstrates a capacity of
71.40 mAh.g-1 in the 80th cycle,
respectively. In addition, the EM4C exhibits remarkable cycling
performance, with a retention capacity of 71.4% after 80 cycles at a
C/3 current density compared to the other samples. The remarkable
improvement in the performance of
SiO2/C||NMC622 full-cell using the EM
technique can be attributed to a stable artificial SEI layer on the
anode surface which enhance the mobility of Li+ ions
and remained enough Li+ ions stored capacity for
stabilizing the SEI layer. Therefore, the EM is a promising
pre-lithiation method for the silicon or silicon-based anode material to
enhance battery performance in LIB applications.