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Founded in 1987， Bimonthly
Supervisor：Jiangxi University Of Science And Technology
Sponsored by：Jiangxi University Of Science And Technology
Jiangxi Nonferrous Metals Society
ISSN：1674-9669
CN：36-1311/TF
CODEN YJKYA9
Volume 9 Issue 4
Aug.  2018
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CHENG Boming, YANG Jinmeng, LIU Baolu, ZHONG Shengwen. Effect of sintering temperature on the structure and electrochemical properties of LiNi0.8Co0.15Al0.05O2[J]. Nonferrous Metals Science and Engineering, 2018, 9(4): 47-52. DOI: 10.13264/j.cnki.ysjskx.2018.04.008
Citation: CHENG Boming, YANG Jinmeng, LIU Baolu, ZHONG Shengwen. Effect of sintering temperature on the structure and electrochemical properties of LiNi0.8Co0.15Al0.05O2[J]. Nonferrous Metals Science and Engineering, 2018, 9(4): 47-52. DOI: 10.13264/j.cnki.ysjskx.2018.04.008
shu

Effect of sintering temperature on the structure and electrochemical properties of LiNi0.8Co0.15Al0.05O2

  • a.

    School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

  • b.

    Jiangxi Key Laboratory of Power Battery and Materials, Jiangxi University of Science and Technology, Ganzhou 341000, China

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  • Received Date: May 14, 2018
  • Published Date: August 30, 2018
    Graphical Abstract
    • Abstract
  • A series of LiNi0.8Co0.15Al0.05O2 cathode materials were prepared at 740~820℃ by co-precipitation and high temperature solid phase method. The effect of small temperature changes on the structure and properties of the materials was investigated. The material properties were characterized by X ray analyzer, electrochemical workstation and battery charging and discharging test system. The results show that the material sintered at 780℃ has a pure hexagonal phase and is optimal in layered structure. It achieves 188.11 mAh/g at 2.75~4.2 V and 0.1 C rate. The capacity stability rate is 88.55 % after 0.5 C cycle for 100 times, which is higher than that of other temperature prepared materials. The irreversible capacity loss of materials sintered at 780℃ after different rate discharges is much lower than that of materials prepared at other temperatures.
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    • References (22)
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