Isolated diatomic Zn-Fe in N-doped carbon for electrocatalytic nitrogen reduction to ammonia

被引：57

作者：

Zhang, Le ^{[1
]}

Fan, Guilan ^{[1
]}

Xu, Wence ^{[1
]}

Yu, Meng ^{[1
]}

Wang, Lei ^{[1
]}

Yan, Zhenhua ^{[1
]}

Cheng, Fangyi ^{[1
]}

机构：

[1] Nankai Univ, Coll Chem, Renewable Energy Convers & Storage Ctr RECAST, Key Lab Adv Energy Mat Chem,Minist Educ, Tianjin 300071, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 80期

关键词：

RECENT PROGRESS; N-2; FIXATION; GRAPHENE; NH3; ELECTROREDUCTION; PERFORMANCE; CATALYSTS; NANOFIBER; SITES;

D O I：

10.1039/d0cc04843g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Isolated diatomic Zn-Fe anchored on nitrogen-doped carbon is explored as an efficient and robust electrocatalyst for N(2)reduction in a neutral aqueous electrolyte, delivering a high NH(3)yield rate (30.5 mu g h(-1)mg(cat.)(-1)) and considerable faradaic efficiency (26.5%) at a low overpotential of -300 mV. Density functional theory calculations reveal that the Zn-Fe atomic pairs synergistically favor N(2)activation and reduce the reaction barrier for the rate-limiting step of intermediate *NNH formation.

引用

页码：11957 / 11960

页数：4

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