A zinc-air battery capable of working in anaerobic conditions and …
Metal-air batteries with high energy densities have achieved worldwide attention in recent years, such as Mg-air, Li-air, and Al-air batteries. 1–7 Among them, Zn-air batteries are especially interesting, as their merits include high theoretical capacity (820 mAh g −1), low price, and intrinsic safety. 8–11 A typical Zn-air battery consists of a Zn metal …