Combined with the RIXS measurements and the above EXAFS data, it can be concluded that the Ni-O bond length is directly related to the oxygen activity. Based on the operando XRD, P2-NaS0.10NMO follows a solid solution reaction in the high voltage region. However, the material still shows significant changes in the Ni-O and Ni-Me radial distances and the coordination numbers when charging from 4.0 V to 4.4 V, indicating that the local structural distortion caused by the oxygen redox was much higher. Similar to P2-NaNMO, P2-NaS0.10NMO also showed a large decrease in the radial distance and coordination number.