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Journal of Inorganic Materials, Volume. 35, Issue 9, 972(2020)

Research Progress on Coating and Doping Modification of Nickel Rich Ternary Cathode Materials

Xiangtao BAI1, Liqing BAN2, and Weidong ZHUANG2
Author Affiliations
  • 1China Automotive Battery Research Institute Co., Ltd, Beijing 101407, China
  • 2General Research Institute for Nonferrous Metals, Beijing 100088, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (138)
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    Figures & Tables(11)
    Mass spectroscopy profiles for the oxygen (O2, m/z=32) collected simultaneously during measurement of TR-XRD (upper panel) and the corresponding temperature region of the phase transitions for NCM (lower panel) [19]
    1. Mass spectroscopy profiles for the oxygen (O2, m/z=32) collected simultaneously during measurement of TR-XRD (upper panel) and the corresponding temperature region of the phase transitions for NCM (lower panel) [19]

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    Degradation mechanisms of NCM523 and phase transformation after cycle tests under high-voltage conditions[20]
    2. Degradation mechanisms of NCM523 and phase transformation after cycle tests under high-voltage conditions[20]

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    5th discharge profiles of pristine and coated NCM523 (3.0~4.6 V)[49]
    3. 5th discharge profiles of pristine and coated NCM523 (3.0~4.6 V)[49]

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    Schematic illustration of byproducts on the surfaces of (a) bare and (b) lithium phosphate-coated NCM622 after cycling 150 times[53]
    4. Schematic illustration of byproducts on the surfaces of (a) bare and (b) lithium phosphate-coated NCM622 after cycling 150 times[53]

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    (a-d) SEM images of the cathode cracks in the particles cycled 100 times (4.7 V), and (e) schematic diagram showing crack formation[81]
    5. (a-d) SEM images of the cathode cracks in the particles cycled 100 times (4.7 V), and (e) schematic diagram showing crack formation[81]

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    Typical cycling performance of undoped and Mo-doped NCM523 at (a) 45 ℃ (4.3, 4.4, 4.5, and 4.6 V, C/3 rate) and (b) 30 ℃ (2.8-4.3 V, different rates)[96]
    6. Typical cycling performance of undoped and Mo-doped NCM523 at (a) 45 ℃ (4.3, 4.4, 4.5, and 4.6 V, C/3 rate) and (b) 30 ℃ (2.8-4.3 V, different rates)[96]

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    Suggested mechanism for Ni2+ migration leading to a partial spinel nucleus[104]
    7. Suggested mechanism for Ni2+ migration leading to a partial spinel nucleus[104]

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    (a) Cycling performance and (b) DSC results of different cathodes[115]
    8. (a) Cycling performance and (b) DSC results of different cathodes[115]

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    Schematic illustration of the disordered layered phase coating layer[133]
    9. Schematic illustration of the disordered layered phase coating layer[133]

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    • Table 1. Discharge capacities of Li-ion batteries with different coating amounts[52]

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      Table 1. Discharge capacities of Li-ion batteries with different coating amounts[52]

      SampleDischarge capacity /(mAh·g-1)
      0.1C/3 cycles1C/5 cycles2C/5 cycles5C/5 cycles10C/5 cycles0.1C/5 cycles*
      0196.8168.9155.8131.894.5184.6
      1wt%213.9185.5170.2148.1121.6207.2
      2wt%203.8161.1147.9122.692.1195.7

    • Table 2. Cycling performances and rate capabilities of NCM622 with different doping agents[104]

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      Table 2. Cycling performances and rate capabilities of NCM622 with different doping agents[104]

      SampleCycling performance (1C@200*)Rate performance
      3.0-4.4 V3.0-4.6 V16C/0.5C
      Pristine75.59%72.99%64.94%
      Zr87.61%81.05%73.94%
      Zr/Ti94.20%91.71%79.57%
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    Xiangtao BAI, Liqing BAN, Weidong ZHUANG. Research Progress on Coating and Doping Modification of Nickel Rich Ternary Cathode Materials[J]. Journal of Inorganic Materials, 2020, 35(9): 972

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    Paper Information

    Category: REVIEW

    Received: Nov. 7, 2019

    Accepted: --

    Published Online: Mar. 3, 2021

    The Author Email:

    DOI:10.15541/jim20190568

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology