Facile synthesis of porous Mn2O3 microsphere as an anode material for lithium ion batteries

1st International Conference on Frontiers of Materials Synthesis and Processing

材料科学;化学

Zheng, Hao^1 ; Wang, Ting^1 ; Chen, Jinsong^1 ; Liu, Qing^1 ; Zhao, Rongfei^1 ; Li, Lin^1

Key Laboratory of Functional Materials, Chemistry for Performance and Resource of Guizhou Education Department, Anshun University, Anshun

561000, China^1

关键词: Anode material for lithium ion batteries;    Constant current;    Coprecipitation method;    Cycling performance;    Electrochemical process;    Facile synthesis;    Reversible capacity;    Specific capacities;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/274/1/012162/pdf
DOI  :  10.1088/1757-899X/274/1/012162

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

The precursors of Mn2O3was synthesized through co-precipitation method using MnAc2•4H2O, NaHCO3as raw materials. The precursors were heat-treated at 400°C, 500°C, and 600°C, respectively. The samples were characterized by X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. The electrochemical properties of the samples were investigated also. The test results showed that the Mn2O3(heat-treated at and 600°C) featured higher reversible capacity and better cycling performance than that of other samples. The specific capacity of the Mn2O3 samples (heat-treated at and 600°C) was 745 mAh/g respectively after 100 cycles at a constant current of 100 mA/g in the voltage range of 0.01-3 V. The preparation principle for the formation of the Mn2O3 samples and its electrochemical process of Mn2O3were discussed also.