Facile synthesis of a MOF-derived Co-N-C nanostructure as a bi-functional oxygen electrocatalyst for rechargeable Zn-air batteries

被引：3
|
作者：
Luo, Xinlei [1 ]
Zheng, Ziheng [1 ]
Hou, Bingxue [2 ]
Xie, Xianpan [1 ]
Wang, Cheng Cheng [1 ]
机构：
[1] Shenzhen Polytech, Sch Entrepreneurship & Innovat, Shenzhen 518055, Peoples R China
[2] Civil Aviat Flight Univ China, Aviat Engn Inst, Guanghan 618037, Peoples R China
来源：
RSC ADVANCES | 2023年 / 13卷 / 27期
关键词：
BIFUNCTIONAL ELECTROCATALYSTS; REDUCTION REACTION; CARBON; CATALYSTS; IRON; POLYANILINE; EVOLUTION;
D O I：
10.1039/d3ra02191b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel catalyst obtained from the pyrolysis of a Co/Fe/Zn zeolitic imidazolite framework was prepared as an oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) electrocatalyst. The Co-N-C-900 catalyst displays promising ORR and OER activity with E-1/2 = 0.854 V and E-j=10 = 1.780 V. The rechargeable Zn-air battery equipped with a Co-N-C-900 cathode electrocatalyst illustrates a high peak power density of 275 mW cm(-2), which is much superior than that of commercial 20% Pt/C. Significantly, the designed Zn-air battery with the Co-N-C-900 catalyst presents good cycling stability for 180 h in the rechargeable Zn-air battery.
引用
收藏
页码：18888 / 18897
页数：10
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