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산업기술연구 vol.42.jpg
KCI등재후보 학술저널

구조 및 우수한 전기화학적 성능

Although the mileage of electric vehicles can be increased based on the excellent energy density of the LiNi0.9Co0.05Mn0.05O2, it is known that the reason for limiting its use is the low lifespan and poor surface stability due to the structural deformation of the LiNi0.9Co0.05Mn0.05O2. To improve the structural stability of LiNi0.9Co0.05Mn0.05O2, electrochemical performance is improved by La coating on the surface. La-modified LiNi0.9Co0.05Mn0.05O2 shows an initial capacity of 210.6 mAh/g, a capacity retention rate of 89.9 % after 50 cycles, and a retention rate of 52.5% at 6.0 C. These are superior performances than the pristine sample, because the structural stability of the LiNi0.9Co0.05Mn0.05O2 cathode is improved by the La coating.

1. Introduction

2. Result and Discussion

3. Experimental

4. Conclusion

Acknowledgement

References

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