Ternary Spinel MCo<sub>2</sub>O<sub>4</sub> (M = Mn, Fe, Ni, and Zn) Porous Nanorods as Bifunctional Cathode Materials for Lithium–O<sub>2</sub> BatteriesSaad G. Mohamed, Ru‐Shi Liu, Chih‐Jung Chen et al.|ACS Applied Materials & Interfaces|2015Cited by 207