Extended Data Fig. 3: Primary-particle morphology and size comparison in the pristine state.
From: Uniform pore structure enables negligible degradation in undoped and uncoated Ni-rich cathodes
a,b, Cross-sectional SEM images of the (a) 2 and (b) 10 °C/min electrodes in the pristine state, each shown as a pair of original and watershed-segmented images. c,d, Histograms of equivalent primary-particle sizes for the (c) 2 and (d) 10 °C/min samples, with mean particle sizes indicated.
