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Research Article

Large-Scale Synthesis of the Stable Co-Free Layered Oxide Cathode by the Synergetic Contribution of Multielement Chemical Substitution for Practical Sodium-Ion Battery

Figure 2

Atomic structure of O3-NaNCMMT cathode material. (a–d) HAADF and ABF-STEM images and the corresponding colored patterns viewed along the (010) crystallographic direction. (e–h) HAADF and ABF-STEM images and the corresponding colored patterns viewed along the (001) crystallographic direction. (i–l) EELS spectra of Ti L-edges, O K-edge, Mn L-edges, and Ni L-edges scanned from the surface to the bulk with an increment of 2 nm per spectrum.
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