Progress in Preparation and Modification of LiNi_0.6Mn_0.2Co_0.2O₂ Cathode Material for High Energy Density Li-Ion Batteries

Table 2

Electrochemical performance of NCM622.

Authors	Synthesis methods	Testing conditions	Initial discharge capacity (mAh/g)	Capacity retention rate (%)	Ref.
Liang et al.	Hydroxide co-precipitation	1C, 2.8–4.3	172.1	94.3 (100 cycles)	[16]
Li et al.	Hydroxide co-precipitation	30 mA/g, 2.8–4.3	172.8	71.8 (50 cycles)	[17]
Zhang et al.	Carbonate co-precipitation	0.2C, 2.8–4.3	180.0	82.4(30 cycles)	[20]
Xu et al	Hydroxide co-precipitation	0.1C, 3.0–4.3	201.6	90.1 (100 cycles)	[19]
Zhong et al.	Carbonate co-precipitation	0.2C, 3.0–4.3 V	148.0	91.8 (30 cycles)	[23]
Yue et al.	Spray-drying	1C, 3.0–4.3 V	160.8	93.7 (40 cycles)	[26]
Yue et al.	Spray-drying	80mA/g,3.0–4.3V	155.7	89.0 (50 cycles)	[27]
Li et al.	Spray-drying	1C, 2.8–4.3 V	160.8	90.8 (100 cycles)	[28]
Xia et al.	Solid state	1C, 2.8–4.3 V	156.3	102.9 (100 cycles)	[29]
Yue et al.	Solid state	1C, 2.8–4.3 V	138.0	82.9 (100 cycles)	[30]
Ahn et al.	Combustion	0.1C, 3.0–4.3 V	170.0	98.2 (30 cycles)	[3]