Anomalously Faster Deterioration of LiNi_0.8Co_0.15Al_0.05O₂/Graphite High-Energy 18650 Cells at 1.5 C than 2.0 C

Figure 2

Characteristics of different electrodes for fresh and aged cells. (a) Discharge curves of different electrodes at 0.2 C; (b) discharge rate performances of different electrodes; (c) ICA curves of different electrodes; (d) and Nyquist plots of the negative electrodes.

(a)

(b)

(c)

(d)