Yukun FU, Min ZENG, Xianfa RAO, Shengwen ZHONG, Huijuan ZHANG, Wenli YAO. Microwave-assisted Synthesis and Co, Al Co-modification of Ni-rich LiNi0.8Mn0.2O2 Materials for Li-ion Battery Electrode [J]. Journal of Inorganic Materials, 2021, 36(7): 718
- Journal of Inorganic Materials
- Vol. 36, Issue 7, 718 (2021)
1. SEM images of (a, b) NM-82, (c-l) NMCA-n (n =0, 1, 2, 3, 5)
2. XRD patterns of NM-82 and NMCA-n (n =0, 1, 2, 3, 5)
3. (a) Total survey and (b) Ni2p, (c) Co2p, (d) Al2p XPS spectra of NM-82 and NMCA-2
4. (a,c) TEM images, (b,d)HR-TEM images and (insets in (b, d)) the corresponding FFT graphs of NM-82 and NMCA-2
5. (a-c) Charge/discharge curves and (d-f) corresponding dQ/dV plots of NM-82, NMCA-0 and NMCA-2
6. Cycling performance and corresponding capacity retention rate (inset) of different materials
7. (a-c) CV curves, (d-f) EIS plots and (insert in (d)) corresponding equivalent electrical circuit of NM-82, NMCA-0 and NMCA-2
S1. Schematic diagram of microwave assisted coprecipitation
S2. SEM image and TEM-EDS elemental mappings of NMCA-2
S3. (a, b) Particle size distributions, (c) nitrogen adsorption-desorption isotherms and (d) pore size distributions of NM-82 and NMCA-2
S4. Schematic diagram of layered material structure
S5. Rietveld refinement results of (a) NM-82, (b) NMCA-0 and (c) NMCA-2
S6. Rate performances of different cathode materials
S7. DSC curves of NM-82, NMCA-0 and NMCA-2
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Table 1. Parameters of Rietveld refinement for NM-82, NMCA-0 and NMCA-2
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Table 2. Specific discharge capacities of materials at different rates/(mAh·g-1)
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Table 3. EIS fitting data of NM-82, NMCA-0 and NMCA-2
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