Boron phosphide as an efficient metal-free catalyst for nitrate electroreduction to ammonia

被引：21

作者：

Zhang, Nana ^{[1
]}

Zhang, Guike ^{[1
]}

Tian, Ye ^{[2
]}

Guo, Yali ^{[1
]}

Chu, Ke ^{[1
]}

机构：

[1] Lanzhou Jiaotong Univ, Sch Mat Sci & Engn, Lanzhou 730070, Peoples R China

[2] Hebei North Univ, Coll Sci, Dept Phys, Zhangjiakou 075000, Hebei, Peoples R China

来源：

DALTON TRANSACTIONS | 2023年 / 52卷 / 14期

关键词：

NANOPARTICLES;

D O I：

10.1039/d3dt00551h

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Boron phosphide (BP) is first explored as an efficient metal-free catalyst towards the NO3RR, delivering the highest NH3-faradaic efficiency of 96.3% with a corresponding NH3 yield rate of 3.1 mg h(-1) cm(-2), outperforming most reported metal-based NO3RR catalysts. Theoretical calculations unravel that active B centers not only enable the efficient NO3- activation and hydrogenation with a low energy barrier, but also preferentially absorb NO3- over H adatoms to prohibit the competing hydrogen evolution, enhancing both NO3RR activity and selectivity.

引用

页码：4290 / 4295

页数：6

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