Preparation and electrochemical performances of ternary LiNi1-x-yCoxMnyO2 cathode material

Zhu Yuyin; Li Jing

doi:10.11884/HPLPB201931.180352

Volume 31 Issue 5

May 2019

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Zhu Yuyin, Li Jing. Preparation and electrochemical performances of ternary LiNi1-x-yCoxMnyO2 cathode material[J]. High Power Laser and Particle Beams, 2019, 31: 059001. doi: 10.11884/HPLPB201931.180352

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Zhu Yuyin, Li Jing. Preparation and electrochemical performances of ternary LiNi_1-x-yCo_xMn_yO₂ cathode material[J]. High Power Laser and Particle Beams, 2019, 31: 059001. doi: 10.11884/HPLPB201931.180352

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Preparation and electrochemical performances of ternary LiNi_1-x-yCo_xMn_yO₂ cathode material

doi: 10.11884/HPLPB201931.180352

Zhu Yuyin^1
,,
Li Jing^{2
,
,}

1.
School of Environment and Resources, Southwest University of Science and Technology, Mianyang 621010, China
2.
School of Material Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China

Received Date: 2018-12-24
Rev Recd Date: 2019-03-11
Publish Date: 2019-05-15

Abstract

Abstract

As the most promising commercial lithium-ion battery, the LiNi_1-x-yCo_xMn_yO₂ cathode have become the focus of researchers in recent years. However, there are less researches on the synthetic process of this material. This paper discusses various sintering processes of LiNi_0.8Co_0.15Mn_0.05O₂, and the characterization and electrochemical performances testing of the prepared cathode materials. The research shows that the material has higher specific capacity (about 200 mA·h·g^-1) at 0.1C (C is battery capacity rating value) charging-discharging rate. At 1C and 100 times of charging-discharging, the capacity retention ratios of 480 ℃@3 h + 780 ℃@5 h and 500 ℃@5 h + 780 ℃@10 h sintering processes are 94% and 86%, respectively, which illustrates the synthetical properties of the cathode materials prepared by these two processes are optimal.
- ternary cathode material,
- sintering process,
- electrochemical performance,
- lithium-ion battery

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References(27)

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