Fig. 1: Structural characterization of the P2-NaMNNb and P2-NaMN cathode material.
From: Niobium-doped layered cathode material for high-power and low-temperature sodium-ion batteries
a, b Rietveld refinements of X-ray diffraction measurements of P2-NaMN and P2-NaMNNb compounds. c Schematic diagram of the effect of Nb doping on crystal structure.
