High Voltage Mg-Doped Na<sub>0.67</sub>Ni<sub>0.3–<i>x</i></sub>Mg<sub><i>x</i></sub>Mn<sub>0.7</sub>O<sub>2</sub> (<i>x</i> = 0.05, 0.1) Na-Ion Cathodes with Enhanced Stability and Rate CapabilityGurpreet Singh, Peter G. Bruce|Chemistry of Materials|2016Cited by 326