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Qi Y, Hou X, He Z, He F, Wei T, Meng G, Hu H, Liu Q, Hu G, Liu X. Phosphorus-doped Ti 3C 2T x MXene nanosheets enabling ambient NH 3 synthesis with high current densities. Chem Commun (Camb) 2024. [PMID: 39072368 DOI: 10.1039/d4cc03051f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Herein, we show that P-doped Ti3C2Tx MXene nanosheets can effectively catalyze the NO3RR-to-NH3 conversion with a high faradaic efficiency of 95% and a yield rate of 5.39 mg h-1 mgcat.-1. Moreover, the catalyst achieves an impressive high current density of -1200 mA cm-2 at a low potential of -1.51 V, accompanied by an NH3 productivity of 123.5 mg h-1 mgcat.-1. Theoretical calculations further reveal that phosphorous dopants facilitate the adsorption and activation of reactants/intermediates and thus lower the energy barrier.
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Affiliation(s)
- Yuchuan Qi
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Xianghua Hou
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Ziying He
- Guangxi Vocational & Technical Institute of Industry, Nanning 530001, Guangxi, China
| | - Fan He
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Tianran Wei
- Guangxi Vocational & Technical Institute of Industry, Nanning 530001, Guangxi, China
- MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning, 530004 Guangxi, China.
| | - Ge Meng
- Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
- Guangxi Vocational & Technical Institute of Industry, Nanning 530001, Guangxi, China
| | - Huihui Hu
- MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning, 530004 Guangxi, China.
| | - Qian Liu
- Institute for Advanced Study, Chengdu University, Chengdu 610106, Sichuan, China
| | - Guangzhi Hu
- School of Ecology and Environmental Science, Yunnan University, Kunming 650504, China
| | - Xijun Liu
- MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning, 530004 Guangxi, China.
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Liu D, Zhu X, Sun J, Wang P, Chen Y, Jiang Y. Electroenzymatic tandem catalysis for the conversion of nitrate into ammonia. Chem Commun (Camb) 2024; 60:2224-2227. [PMID: 38314638 DOI: 10.1039/d3cc05557d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
A porous silver nanostructure-supported ionic liquid-modified chloroperoxidase nanohybrid was successfully used in electroenzymatic tandem catalysis to achieve an efficient, mild, and stable approach for the conversion of nitrate into ammonia.
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Affiliation(s)
- Dongqi Liu
- Key Laboratory of Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P.R. China.
| | - Xuefang Zhu
- Key Laboratory of Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P.R. China.
| | - Jiawei Sun
- Key Laboratory of Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P.R. China.
| | - Pengfei Wang
- Key laboratory of Micro-Nano Powder and Advanced Energy Materials of Anhui Higher Education Instituts, School of Materials and Environmental Engineering, Chizhou University, Chizhou, Anhui, 247000, P.R. China.
| | - Yu Chen
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P.R. China.
| | - Yucheng Jiang
- Key Laboratory of Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P.R. China.
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Chen S, Qi G, Yin R, Liu Q, Feng L, Feng X, Hu G, Luo J, Liu X, Liu W. Electrocatalytic nitrate-to-ammonia conversion on CoO/CuO nanoarrays using Zn-nitrate batteries. NANOSCALE 2023. [PMID: 38014771 DOI: 10.1039/d3nr05254k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Zn-NO3- batteries can generate electricity while producing NH3 in an environmentally friendly manner, making them a very promising device. However, the conversion of NO3- to NH3 involves a proton-assisted 8-electron (8e-) transfer process with a high kinetic barrier, requiring high-performance catalysts to realize the potential applications of this technology. Herein, we propose a heterostructured CoO/CuO nanoarray electrocatalyst prepared on a copper foam (CoO/CuO-NA/CF) that can electrocatalytically and efficiently convert NO3- to NH3 at low potential and achieves a maximum NH3 yield of 296.9 μmol h-1 cm-2 and the Faraday efficiency (FE) of 92.9% at the -0.2 V vs. reversible hydrogen electrode (RHE). Impressively, Zn-NO3- battery based on the monolithic CoO/CuO-NA/CF electrode delivers a high NH3 yield of 60.3 μmol h-1 cm-2, FENH3 of 82.0%, and a power density of 4.3 mW cm-2. This study provides a paradigm for heterostructured catalyst preparation for the energy-efficient production of NH3 and simultaneously generating electrical energy.
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Affiliation(s)
- Shanshan Chen
- Institute for New Energy Materials & Low-Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Gaocan Qi
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Ruilian Yin
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Qian Liu
- Institute for Advanced Study, Chengdu University, Chengdu 610106, Sichuan, China
| | - Ligang Feng
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Xincai Feng
- ShenSi Lab, Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Longhua District, Shenzhen 518110, China
| | - Guangzhi Hu
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science Yunnan University, Kunming 650091, China
| | - Jun Luo
- ShenSi Lab, Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Longhua District, Shenzhen 518110, China
| | - Xijun Liu
- State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China.
| | - Wenxian Liu
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
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Zhu X, Yuan X, Wang Y, Ge M, Tang Y. Revealing the origin of activity in phthalocyanine-based dual-metal sites towards electrochemical nitric oxide reduction. Chem Commun (Camb) 2023; 59:9960-9963. [PMID: 37501539 DOI: 10.1039/d3cc02594b] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Coordinated ligands play crucial roles in tuning the electrochemical nitrate reduction performance of phthalocyanine (Pc)-based dual atom catalysts. With the assistance of axial O ligands, fast NO to NH3 conversion can be realized on O-Ni2-Pc and O-Cu2-Pc. A 2-N product, N2O, can be synthesized on Co2-Pc, Cr2-Pc, O-Co2-Pc, and O-Fe2-Pc through N-N coupling with high NO coverage. ΔENO can be identified as a valid descriptor to support rational M2-Pc design.
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Affiliation(s)
- Xiaorong Zhu
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Xiaolei Yuan
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Yijin Wang
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Ming Ge
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
| | - Yanfeng Tang
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China.
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Fan X, Zhao D, Deng Z, Zhang L, Li J, Li Z, Sun S, Luo Y, Zheng D, Wang Y, Ying B, Zhang J, Alshehri AA, Lin Y, Tang C, Sun X, Zheng Y. Constructing Co@TiO 2 Nanoarray Heterostructure with Schottky Contact for Selective Electrocatalytic Nitrate Reduction to Ammonia. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2208036. [PMID: 36717274 DOI: 10.1002/smll.202208036] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/13/2023] [Indexed: 06/18/2023]
Abstract
Electrochemical nitrate (NO3 - ) reduction reaction (NO3 - RR) is a potential sustainable route for large-scale ambient ammonia (NH3 ) synthesis and regulating the nitrogen cycle. However, as this reaction involves multi-electron transfer steps, it urgently needs efficient electrocatalysts on promoting NH3 selectivity. Herein, a rational design of Co nanoparticles anchored on TiO2 nanobelt array on titanium plate (Co@TiO2 /TP) is presented as a high-efficiency electrocatalyst for NO3 - RR. Density theory calculations demonstrate that the constructed Schottky heterostructures coupling metallic Co with semiconductor TiO2 develop a built-in electric field, which can accelerate the rate determining step and facilitate NO3 - adsorption, ensuring the selective conversion to NH3 . Expectantly, the Co@TiO2 /TP electrocatalyst attains an excellent Faradaic efficiency of 96.7% and a high NH3 yield of 800.0 µmol h-1 cm-2 under neutral solution. More importantly, Co@TiO2 /TP heterostructure catalyst also presents a remarkable stability in 50-h electrolysis test.
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Affiliation(s)
- Xiaoya Fan
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Donglin Zhao
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Zhiqin Deng
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Longcheng Zhang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Jun Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Zerong Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Shengjun Sun
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Yongsong Luo
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Dongdong Zheng
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Yan Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Binwu Ying
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Jing Zhang
- Interdisciplinary Materials Research Center, Institute for Advanced Study, Chengdu University, Chengdu, 610106, China
| | - Abdulmohsen Ali Alshehri
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Yuxiao Lin
- School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou, Jiangsu, 221116, China
| | - Chengwu Tang
- Huzhou Key Laboratory of Translational Medicine, First People's Hospital affiliated to Huzhou University, Huzhou, Zhejiang, 313000, China
| | - Xuping Sun
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Yinyuan Zheng
- Huzhou Key Laboratory of Translational Medicine, First People's Hospital affiliated to Huzhou University, Huzhou, Zhejiang, 313000, China
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Partovi S, Xiong Z, Kulesa KM, Smith JM. Electrocatalytic Reduction of Nitrogen Oxyanions with a Redox-Active Cobalt Macrocycle Complex. Inorg Chem 2022; 61:9034-9039. [PMID: 35666148 DOI: 10.1021/acs.inorgchem.2c00199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The cobalt complex, [Co(CR)Br2]+, where CR is the redox-active macrocycle 2,12-dimethyl-3,7,11,17-tetraazabicyclo-[11.3.1]-heptadeca-1(17),2,11,13,15-pentaene, has been investigated for the electrocatalytic reduction of aqueous NO2- and NO3-. At neutral pH, the bromide ligands are hydrolyzed, providing [Co(CR)(OH2)(OH)]2+ as the major species in aqueous solution. In the presence of nitrite, [Co(CR)(NO2)2]+ is formed as the major species in solution and is a precursor to the electrocatalytic reduction of NO2-, which is selectively converted to ammonium with high Faradaic efficiency. There is evidence for both homogeneous and heterogeneous electrocatalysis. Although similar NO3- binding is not observed, electrocatalytic reduction to ammonium also occurs, albeit with a lower Faradaic efficiency. In this case, NO2- is generated as an intermediate product of NO3- reduction.
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Affiliation(s)
- Sheyda Partovi
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Ziqing Xiong
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Krista M Kulesa
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Jeremy M Smith
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
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