Cation-Engineered NaCaVOH Microspheres with Enhanced Stability for High-Capacity and Low-Temperature Aqueous Zinc-Ion Batteries
Vanadium-based oxides are promising cathodes for aqueous zinc-ion batteries (AZIB) but suffer from inferior structural stability and sluggish Zn2+ diffusion. Herein, Na0.069Ca1.06V10O24·3.2H2O (NaCaVOH) microspheres were rationally designed and synthesized via a facile, scalable, and low-energy one-step hydrothermal...