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
- Journal of Inorganic Materials
- Vol. 35, Issue 9, 972 (2020)
![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]](/richHtml/jim/2020/35/9/972/img_1.png)
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]
![Degradation mechanisms of NCM523 and phase transformation after cycle tests under high-voltage conditions[20]](/richHtml/jim/2020/35/9/972/img_2.png)
2. Degradation mechanisms of NCM523 and phase transformation after cycle tests under high-voltage conditions[20]
![5th discharge profiles of pristine and coated NCM523 (3.0~4.6 V)[49]](/Images/icon/loading.gif){kind=icon}
3. 5th discharge profiles of pristine and coated NCM523 (3.0~4.6 V)[49]
4. Schematic illustration of byproducts on the surfaces of (a) bare and (b) lithium phosphate-coated NCM622 after cycling 150 times[53]
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]
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]
7. Suggested mechanism for Ni2+ migration leading to a partial spinel nucleus[104]
8. (a) Cycling performance and (b) DSC results of different cathodes[115]
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 2. Cycling performances and rate capabilities of NCM622 with different doping agents[104]
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