阴极
材料科学
兴奋剂
电解质
锂(药物)
离子
掺杂剂
阳极
化学工程
磷酸钒锂电池
复合材料
光电子学
电极
化学
医学
有机化学
物理化学
工程类
内分泌学
作者
Jinbo Zeng,Yue Shen,Xiaopeng Ren,Xiang Li,Yuhan Sun,Guotai Zhang,Zhaowei Wu,Shenglong Zhu,Chunxi Hai,Yuan Zhou
出处
期刊:Processes
[MDPI AG]
日期:2022-08-11
卷期号:10 (8): 1573-1573
被引量:2
摘要
Ni-rich layered cathode materials for lithium-ion batteries have received widespread attention due to their large capacity and low cost; however, the structural stability of the material needs to be improved. Herein, F-doped and undoped cathode materials prepared with an advanced co-precipitation method were used to measure the effect of F doping on the material. Compared to the undoped sample, the F-doped cathode materials exhibited an improved rate performance, because the porous structure of F-doped cathode materials is favorable for the infiltration of the electrolyte and the material, and the F-doped cathode material has a larger (003) crystal plane and a smaller Li+ migration barrier energy. This simple F-doping treatment strategy provides a promising way to improve the performance of Ni-rich layered cathode materials for lithium-ion batteries.
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