Effect of manganese doping on electrochemical properties of lithium iron phosphate materials

Yuxin Niu; Rui He; Xue Bai; Aijia Wei; Xiaohui Li; Qiangqiang Miao

doi:10.1117/12.3034057

5 July 2024 Effect of manganese doping on electrochemical properties of lithium iron phosphate materials

Yuxin Niu, Rui He, Xue Bai, Aijia Wei, Xiaohui Li, Qiangqiang Miao

Proceedings Volume 13183, International Conference on Optoelectronic Information and Functional Materials (OIFM 2024); 131831X (2024) https://doi.org/10.1117/12.3034057
Event: The 3rd International Conference on Optoelectronic Information and Functional Materials (OIFM 2024), 2024, Wuhan, China

Abstract

Lithium ion battery cathode material LiFe_1-xMn_xPO₄/C was prepared by high temperature solid state method, and the effects of Mn modificatin on the structure, morphology and electrochemical properties of the material were researched. The results show that the olivine structure lithium manganese iron phosphate material was obtained by high temperature solid state method, and no impurity phase existed. A small amount of Mn doping does not have much influence on the structural morphology of the material, but significantly improves the electrochemical performance. When the Mn content was 0.02 (molar content), the specific discharge capacity of the material reached 154mAh/g at 0.2C rate, which is significantly higher than that of the Mn content was 0.00 (molar content). Moreover, Mn doping can effectively improve the capacity performance at high rate. And the electrochemical reaction resistance is reduced, explaining that the addition of Mn improved the electrochemical performance of the material.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yuxin Niu, Rui He, Xue Bai, Aijia Wei, Xiaohui Li, and Qiangqiang Miao "Effect of manganese doping on electrochemical properties of lithium iron phosphate materials", Proc. SPIE 13183, International Conference on Optoelectronic Information and Functional Materials (OIFM 2024), 131831X (5 July 2024); https://doi.org/10.1117/12.3034057

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