Ambient ammonia production via selective electroreduction of nitrite by NiCu@TiO2 nanoribbon array

被引：2

作者：

Cai, Li ^{[1
]}

Zhang, Ailin ^{[1
]}

Liang, Yimei ^{[2
]}

Fan, Xiaoya ^{[2
]}

He, Xun ^{[2
]}

Yang, Congling ^{[1
]}

Ouyang, Ling ^{[2
]}

Zheng, Dongdong ^{[3
]}

Sun, Shengjun ^{[3
]}

Luo, Yonglan ^{[2
]}

Liu, Qian ^{[4
]}

Alfai, Sulaiman ^{[5
]}

Farouk, Asmaa ^{[6
]}

Hamdy, Mohamed S. ^{[6
]}

Zheng, Wei ^{[7
]}

Kong, Qingquan ^{[4
]}

Sun, Xuping ^{[2
,3
]}

机构：

[1] Sichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R China

[2] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Sichuan, Peoples R China

[3] Shandong Normal Univ, Coll Chem Chem Engn & Mat Sci, Jinan 250014, Shandong, Peoples R China

[4] Chengdu Univ, Inst Adv Study, Chengdu 610106, Sichuan, Peoples R China

[5] King Abdulaziz Univ, Fac Sci, Chem Dept, Jeddah 21589, Saudi Arabia

[6] King Khalid Univ, Coll Sci, Dept Chem, POB 9004, Abha 61413, Saudi Arabia

[7] Sichuan Prov Financial Supervis Adm, Chengdu 610041, Sichuan, Peoples R China

来源：

MATERIALS TODAY ENERGY | 2023年 / 38卷

关键词：

Electrocatalysis; NiCu@TiO2 nanoribbon array; NO2-; reduction; NH3; production; Density functional theory; REDUCTION; GRAPHENE; NITRATE;

D O I：

10.1016/j.mtener.2023.101428

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：

Electrochemical nitrite (NO2-) reduction has the dual nature of alleviating NO2- pollution in water and converting it into beneficial ammonia (NH3). But highly active electrocatalysts are needed to overcome the slow kinetics of six-electron transfer. Herein, we report a nickel-copper bimetallic nanoparticle-decorated TiO2 nanoribbon array on a titanium plate (NiCu@TiO2/TP) as a high-efficiency catalyst for NH3 production. As expected, such an electrocatalyst displays a maximum Faradaic efficiency (FE) of 96.25% and a high NH3 yield of 688.97 mu mol/h/cm(2) at -0.5 V. Moreover, NiCu@TiO2/TP shows remarkable durability and stability during recycling tests. And the reaction mechanism is also investigated by theoretical calculations.(c) 2023 Elsevier Ltd. All rights reserved.

引用

页数：7

共 27 条

[1] Ambient ammonia synthesis via nitrite electroreduction over NiS2 nanoparticles-decorated TiO2 nanoribbon array
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JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2023, 634 : 86 - 92
[2] Ruthenium doping: An effective strategy for boosting nitrite electroreduction to ammonia over titanium dioxide nanoribbon array
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Zhou, Qiang
Li, Jun
He, Xun
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Fang, Xiaodong
Cai, Zhengwei
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JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2023, 645 : 806 - 812
[3] Electrodeposited Ni-Mo-P nanoparticles on TiO2 nanoribbon array for electrocatalytic ammonia synthesis by reducing nitrite
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MATERIALS TODAY PHYSICS, 2023, 36
[4] High-efficiency electroreduction of nitrite to ammonia on a Cu@TiO2 nanobelt array
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Li, Zerong
He, Xun
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CHEMICAL COMMUNICATIONS, 2023, 59 (12) : 1625 - 1628
[5] Ambient ammonia production via electrocatalytic nitrite reduction catalyzed by a CoP nanoarray
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[6] High-efficiency electrosynthesis of ammonia with selective reduction of nitrite over an Ag nanoparticle-decorated TiO2 nanoribbon array
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[7] Ambient ammonia production via electrocatalytic nitrite reduction catalyzed by a CoP nanoarray
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[8] High-efficiency electrocatalytic nitrite reduction toward ammonia synthesis on CoP@TiO2 nanoribbon array
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ISCIENCE, 2023, 26 (07)
[9] Ambient ammonia production via electrocatalytic nitrite reduction over MoO2 nanoparticles self-supported on molybdenum plate
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2023, 657
[10] Ni2P nanosheet array for high-efficiency electrohydrogenation of nitrite to ammonia at ambient conditions
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