Fig. 8: Structural characterization of the cycled NCM811.

a, b Cross-sectional SEM images of the cycled NCM811 in the n-IPN a and c-IPN b cathodes. c–f High-resolution transmission electron microscopy (HR-TEM) images of the cycled NCM811 in the n-IPN c, e and c-IPN d, f cathodes. g, h Corresponding fast Fourier transform (FFT) patterns of the cycled NCM811 in the n-IPN g and c-IPN h cathodes.