• Interface engineering of heterogeneous CoS/CoO nanocrystals and N-doped graphene composite facilitates high-performance oxygen reduction reaction and oxygen evolution reaction.

• Density functional theory calculations and experimental results confirm the enhanced electrocatalytic performances via the proposed interface engineering.

• The bifunctional oxygen electrocatalyst exhibits excellent performances in rechargeable Zn–air batteries.

中文翻译：

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用于高性能可充电锌空气电池的 CoS/CoO@N 掺杂石墨烯纳米复合材料的界面工程

• 异质 CoS/CoO 纳米晶体和 N 掺杂石墨烯复合材料的界面工程促进了高性能氧还原反应和析氧反应。

• 密度泛函理论计算和实验结果证实了通过所提出的界面工程增强的电催化性能。

• 双功能氧电催化剂在可充电锌空气电池中表现出优异的性能。