Sodium‐Ion Batteries: High Energy Density Sodium‐Ion Battery with Industrially Feasible and Air‐Stable O3‐Type Layered Oxide Cathode (Adv. Energy Mater. 5/2018)

In article number 1701610, Wen-Bin Luo, Shi-Xue Dou, and co-workers synthesize high energy density air-stable O3-type Na[Li0.05Mn0.50Ni0.30Cu0.10Mg0.05]O2 by a co-precipitation method, followed by high temperature annealing, a method suitable for mass production. It offers good compatibility with pristine hard carbon as the anode in the sodium-ion full cell system, delivering a high energy density of up to 215 W h kg−1 at 0.1 C and excellent electrochemical performance.