Enabling electrochemical conversion of N2 to NH3 under ambient conditions by a CoP3 nanoneedle array

被引：53
|
作者：
Gao, Jiajia [1 ,2 ]
Lv, Xu [2 ]
Wang, Fengyi [2 ]
Luo, Yongsong [2 ]
Lu, Siyu [3 ,4 ]
Chen, Guang [5 ,6 ]
Gao, Shuyan [7 ]
Zhong, Benhe [1 ]
Guo, Xiaodong [1 ]
Sun, Xuping [2 ]
机构：
[1] Sichuan Univ, Sch Chem Engn, Chengdu 610065, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Sichuan, Peoples R China
[3] Zhengzhou Univ, Green Catalysis Ctr, Zhengzhou 450001, Henan, Peoples R China
[4] Zhengzhou Univ, Coll Chem, Zhengzhou 450001, Henan, Peoples R China
[5] Qufu Normal Univ, Sch Chem & Chem Engn, Key Lab Life Organ Anal, Qufu 273165, Shandong, Peoples R China
[6] Qufu Normal Univ, Sch Chem & Chem Engn, Key Lab Pharmaceut Intermediates & Anal Nat Med, Qufu 273165, Shandong, Peoples R China
[7] Henan Normal Univ, Sch Mat Sci & Engn, Xinxiang 453007, Henan, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2020年 / 8卷 / 35期
基金：
中国国家自然科学基金;
关键词：
NITROGEN REDUCTION; AMMONIA-SYNTHESIS; HIGH SELECTIVITY; NANOPARTICLES; CATALYSTS; FIXATION; WATER;
D O I：
10.1039/d0ta07720h
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The Haber-Bosch process for industrial-scale NH(3)production suffers from hash reaction conditions and serious greenhouse gas emission. Electrochemical N(2)reduction is a sustainable and environmentally-benign alternative for ambient NH(3)synthesis while demands efficient electrocatalysts to drive the N(2)reduction reaction. Herein, we report the ambient electrocatalytic N-2-to-NH(3)conversion with excellent selectivity enabled by a CoP(3)nanoneedle array on carbon cloth (CoP3/CC). When tested in 0.1 M Na2SO4, such CoP3/CC achieves a high faradaic efficiency of 11.94% with an NH(3)yield of 3.61 x 10(-11)mol s(-1)cm(-2)at -0.20 Vvs.the reversible hydrogen electrode. It also demonstrates high durability.
引用
收藏
页码：17956 / 17959
页数：4
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