Interface Engineering of CoS/CoO@N-Doped Graphene Nanocomposite for High-Performance Rechargeable Zn–Air Batteries

Nano-Micro Letters

Yuhai Dou¹  Meng Li¹  Jingxia Qiu²  Shanqing Zhang³  Yuhui Tian³  Li Xu³  Ding Yuan³  Junchao Qian⁴  Xianhu Liu⁵ 

[1] Centre for Clean Environment and Energy, School of Environment and Science, Gold Coast Campus, Griffith University, 4222, Gold Coast, Queensland, Australia;Institute for Energy Research, School of Chemistry and Chemical Engineering, Key Laboratory of Zhenjiang, Jiangsu University, 212013, Zhenjiang, People’s Republic of China;Institute for Energy Research, School of Chemistry and Chemical Engineering, Key Laboratory of Zhenjiang, Jiangsu University, 212013, Zhenjiang, People’s Republic of China;Centre for Clean Environment and Energy, School of Environment and Science, Gold Coast Campus, Griffith University, 4222, Gold Coast, Queensland, Australia;Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, 215009, Suzhou, People’s Republic of China;Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou, People’s Republic of China;

关键词: Cobalt sulfide/oxide;    Heterostructure;    Interface;    Bifunctional electrocatalyst;    Rechargeable Zn–air battery;   

DOI  :  10.1007/s40820-020-00526-x

来源: Springer

【 摘 要 】

tsInterface 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.

【 授权许可】

CC BY