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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 11 Issue 6
Dec.  2020
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Article Contents
Abstract
References
HUANG Qingyan, LIANG Yali, WANG Junrong, XIE Guangming, WANG Chunxiang, LI Zhifeng. Effect of sintering temperature on properties of LiNi0.8Co0.1Mn0.1O2 material synthesized by sol-gel method[J]. Nonferrous Metals Science and Engineering, 2020, 11(6): 64-70. DOI: 10.13264/j.cnki.ysjskx.2020.06.009
Citation: HUANG Qingyan, LIANG Yali, WANG Junrong, XIE Guangming, WANG Chunxiang, LI Zhifeng. Effect of sintering temperature on properties of LiNi0.8Co0.1Mn0.1O2 material synthesized by sol-gel method[J]. Nonferrous Metals Science and Engineering, 2020, 11(6): 64-70. DOI: 10.13264/j.cnki.ysjskx.2020.06.009
shu

Effect of sintering temperature on properties of LiNi0.8Co0.1Mn0.1O2 material synthesized by sol-gel method

  • a.

    Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China

  • b.

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

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  • Received Date: June 30, 2020
  • Published Date: December 30, 2020
    Graphical Abstract
    • Abstract
  • LiNi0.8Co0.1Mn0.1O2 cathode materials were prepared by sol-gel method. The structure, morphology and electrochemical performance of the materials synthesized by the different sintering temperature were characterized through XRD, SEM and constant current charge and discharge tests. The results show that all the materials are characterized by a typical α-NaFeO2 layered structure with good cation order. The morphology of the cathode materials shows irregular block shape. The particle size increases with the higher sintering temperature. At the same time, the crystal face is not well developed with poor crystallinity when the sintering temperature is lower than 780 ℃. However, the primary particles are easy to agglomerate when the sintering temperature is higher than 800 ℃. The cathode materials sintered at 800 ℃ has the best electrochemical performance: the first discharge specific capacity is 147.95 mAh/g at 5 C high rate charge and discharge after 200 cycles. The capacity retention rate reaches 76.71%.
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    • References (23)
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