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Journal of Inorganic Materials, Volume. 37, Issue 9, 1030(2022)

Enhanced Lithium Storage Stability Mechanism of Ultra-high Nickel LiNi0.91Co0.06Al0.03O2@Ca3(PO4)2 Cathode Materials

Hezhen ZHU1... Xuanpeng WANG2,3,*, Kang HAN1, Chen YANG1, Ruizhe WAN2, Liming WU1, and Liqiang MAI13,* |Show fewer author(s)
Author Affiliations
  • 11. School of Material Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 22. School of Science, Wuhan University of Technology, Wuhan 430070, China
  • 33. Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Foshan 528200, China
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    Figures & Tables(14)
    (a) XRD patterns of NCA and NCA@nCP (n=0.5, 1, 3), and (b) Rietveld refinement results of NCA@1CP
    1. (a) XRD patterns of NCA and NCA@nCP (n=0.5, 1, 3), and (b) Rietveld refinement results of NCA@1CP

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    (a) SEM image of NCA@1CP, high-resolution TEM images of (b) NCA and (c) NCA@1CP, and (d) EDS elemental mappings of NCA@1CP
    2. (a) SEM image of NCA@1CP, high-resolution TEM images of (b) NCA and (c) NCA@1CP, and (d) EDS elemental mappings of NCA@1CP

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    (a) Full survey, (b) Ni2p, (c) Co2p, (d) Al2p, (e) P2p and (f) Ca2p XPS spectra for NCA and NCA@1CP
    3. (a) Full survey, (b) Ni2p, (c) Co2p, (d) Al2p, (e) P2p and (f) Ca2p XPS spectra for NCA and NCA@1CP

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    CV curves for (a) NCA and (b) NCA@1CP; (c) Initial charge-discharge curves under 2.7-4.3 V at 0.2C and (d) cycling properties under 2.7-4.3 V at 1C for NCA and NCA@nCP; Cycling properties for NCA and NCA@1CP (e) under 2.7-4.5 V at 1C and (f) under 2.7-4.3 V at 2C
    4. CV curves for (a) NCA and (b) NCA@1CP; (c) Initial charge-discharge curves under 2.7-4.3 V at 0.2C and (d) cycling properties under 2.7-4.3 V at 1C for NCA and NCA@nCP; Cycling properties for NCA and NCA@1CP (e) under 2.7-4.5 V at 1C and (f) under 2.7-4.3 V at 2C

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    Voltage-time variation curves during in-situ XRD for (a) NCA and (c) NCA@1CP; In-situ XRD patterns for (b, e) NCA and (d, f) NCA@1CP; (g) Variation curves of the lattice parameter c during charging for NCA and NCA@1CP
    5. Voltage-time variation curves during in-situ XRD for (a) NCA and (c) NCA@1CP; In-situ XRD patterns for (b, e) NCA and (d, f) NCA@1CP; (g) Variation curves of the lattice parameter c during charging for NCA and NCA@1CP

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    (a) Cycling properties of full cells both NCA and NCA@1CP as cathode, graphite as anode under 2.7-4.25 V at 1C, and (b) charge-discharge curves of the second cycle for NCA@1CP in full cell
    6. (a) Cycling properties of full cells both NCA and NCA@1CP as cathode, graphite as anode under 2.7-4.25 V at 1C, and (b) charge-discharge curves of the second cycle for NCA@1CP in full cell

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    Rietveld refinement results of (a) NCA, (b) NCA@0.5CP and (c) NCA@3CP
    S1. Rietveld refinement results of (a) NCA, (b) NCA@0.5CP and (c) NCA@3CP

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    SEM images of (a, b) NCA, (c, d) NCA@0.5CP and (e, f) NCA@3CP
    S2. SEM images of (a, b) NCA, (c, d) NCA@0.5CP and (e, f) NCA@3CP

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    EDS elemental mappings of NCA
    S3. EDS elemental mappings of NCA

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    CV curves for (a) NCA@0.5CP and (b)NCA@3CP
    S4. CV curves for (a) NCA@0.5CP and (b)NCA@3CP

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    (a) Rate performance for NCA, NCA@0.5CP, NCA@1CP and NCA@3CP; Corresponding discharge curves during rate tests of (b) NCA and (c) NCA@1CP
    S5. (a) Rate performance for NCA, NCA@0.5CP, NCA@1CP and NCA@3CP; Corresponding discharge curves during rate tests of (b) NCA and (c) NCA@1CP

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    (a, b) SEM images and (c-f) XRD patterns of NCA and NCA@1CP after 100 cycles under 2.7-4.3 V at 1C
    S6. (a, b) SEM images and (c-f) XRD patterns of NCA and NCA@1CP after 100 cycles under 2.7-4.3 V at 1C

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    • Table 1. I(003)/I(104) values for NCA, NCA@0.5CP, NCA@1CP and NCA@3CP

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      Table 1. I(003)/I(104) values for NCA, NCA@0.5CP, NCA@1CP and NCA@3CP

      SampleNCANCA@0.5CPNCA@1CPNCA@3CP
      I(003)/I(104)1.4262.1202.2611.981

    • Table 2. Lattice parameters of the NCA, NCA@0.5CP, NCA@1CP and NCA@3CP calculated from XRD Rietveld refinement

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      Table 2. Lattice parameters of the NCA, NCA@0.5CP, NCA@1CP and NCA@3CP calculated from XRD Rietveld refinement

      Samplea/nm c/nm V/nm3c/aRwpRp
      NCA0.2873981.4210710.1016524.9446097.134.18
      NCA@0.5CP0.2872961.4207330.1015564.9451886.634.73
      NCA@1CP0.2872861.4204400.1015274.9443415.864.39
      NCA@3CP0.2873051.4206460.1015564.9447316.744.82
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    Hezhen ZHU, Xuanpeng WANG, Kang HAN, Chen YANG, Ruizhe WAN, Liming WU, Liqiang MAI. Enhanced Lithium Storage Stability Mechanism of Ultra-high Nickel LiNi0.91Co0.06Al0.03O2@Ca3(PO4)2 Cathode Materials [J]. Journal of Inorganic Materials, 2022, 37(9): 1030

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    Paper Information

    Category: RESEARCH ARTICLE

    Received: Dec. 17, 2021

    Accepted: --

    Published Online: Jan. 12, 2023

    The Author Email: WANG Xuanpeng (wxp122525691@whut.edu.cn), MAI Liqiang (mlq518@whut.edu.cn)

    DOI:10.15541/jim20210769

    Topics

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