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Gao YY, Yang XA, Zhang WB. High sensitivity atomic fluorescence spectroscopy for the detection of As III by selective electrolysis of arsenic on nanoflowers-like Fe/NFE. Talanta 2024; 275:126127. [PMID: 38663073 DOI: 10.1016/j.talanta.2024.126127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 05/30/2024]
Abstract
Modified electrosynthetic sample introduction technique is a reliable means of solving the problem of high sensitivity analysis of trace arsenite. This article attempts to achieve selective electroreduction of AsIII through the construction of electrode surfaces with different structures and materials from the perspective of interface reactions. Among the four transition metal modifiers, the iron modified nickel foam electrode with nano-flower structure documented higher efficiency in inducing arsenic reduction and better species selectivity. Systematic electrochemical and spectroscopic tests suggest that strong adsorption effect between Fe and AsIII, appropriate hydrogen evolution potential, and catalytic activity jointly promote efficient electroreduction of AsIII. Optimization based on electrode materials and electrolysis conditions, with high sensitivity, wide linear range (0.1-50 μg L-1), and excellent species selectivity, this paper offers an efficient and economic sample introduction method for trace AsIII/V selective atomic spectroscopy direct determination.
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Affiliation(s)
- Ying-Ying Gao
- Department of Applied Chemistry, Anhui University of Technology, Maanshan, Anhui, 243002, PR China
| | - Xin-An Yang
- Department of Applied Chemistry, Anhui University of Technology, Maanshan, Anhui, 243002, PR China
| | - Wang-Bing Zhang
- Department of Applied Chemistry, Anhui University of Technology, Maanshan, Anhui, 243002, PR China.
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2
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Afzal S, Chen L, Jin L, Pan K, Wei Y, Ahmad M, Hassan QU, Zhang M, Ashraf GA, Liu L. LaCoO 3/SBA-15 as a high surface area catalyst to activate peroxymonosulfate for degrading atrazine in water. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123885. [PMID: 38570159 DOI: 10.1016/j.envpol.2024.123885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 10/15/2023] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
An efficient perovskite-based heterogeneous catalyst is highly desired to activate peroxymonosulfate (PMS) for removing organic pollutants in water. A high surface area PMS-activator was fabricated by loading LaCoO3 on SBA-15 to degrade atrazine (ATR) in water. The LaCoO3/SBA-15 depicted better textural properties and higher catalytic activity than LaCoO3. In 6.0 min, atrazine (ATZ) degradation in the selected LaCoO3/SBA-15/PMS system, LaCoO3, adsorption by LaCoO3/SBA-15, sole PMS processes reached approximately 100%, 55.15%, 12.80%, and 16.65 % respectively. Furthermore, 0.04 mg L-1 Co was leached from LaCoO3/SBA-15 during PMS activation by LaCoO3/SBA-15. The LaCoO3/SBA-15 showed stable catalytic activity after reuse. The use of radical scavengers and electron paramagnetic resonance spectroscopy (EPR) demonstrated that ROS such as 1O2, O2•-, •OH, and SO4•- were generated by PMS activated by LaCoO3/SBA-15 owing to redox reactions [Co2+/Co3+, and O2-/O2]. EPR, XPS, ATR-FTIR, EIS, LSV, and chronoamperometric measurements were used to explain the catalytic mechanism for PMS activation. Excellent atrazine degradation was due to high surface area, porous nature, diffusion-friendly structure, and ROS. Our investigation proposes that perovskites with different A and B metals and modified perovskites can be loaded on high surface area materials to activate PMS into ROS.
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Affiliation(s)
- Shahzad Afzal
- Department of Environmental Engineering, China Jiliang University Hangzhou, Zhejiang, 310018, China; Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Lele Chen
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
| | - Lingyue Jin
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
| | - Ke Pan
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
| | - Yang Wei
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
| | - Munir Ahmad
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Qadeer Ul Hassan
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Ming Zhang
- Department of Environmental Engineering, China Jiliang University Hangzhou, Zhejiang, 310018, China
| | | | - Liangkai Liu
- Department of Environmental Engineering, China Jiliang University Hangzhou, Zhejiang, 310018, China
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3
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Bayode AA, Ore OT, Nnamani EA, Sotunde B, Koko DT, Unuabonah EI, Helmreich B, Omorogie MO. Perovskite Oxides: Syntheses and Perspectives on Their Application for Nitrate Reduction. ACS OMEGA 2024; 9:19770-19785. [PMID: 38737083 PMCID: PMC11080040 DOI: 10.1021/acsomega.4c01487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/06/2024] [Accepted: 04/12/2024] [Indexed: 05/14/2024]
Abstract
Over the decades, the rise in nitrate levels in the ecosystem has posed a serious threat to the continuous existence of humans, fauna, and flora. The deleterious effects of increasing levels of nitrates in the ecosystem have led to adverse health and environmental implications in the form of methemoglobinemia and eutrophication, respectively. Different pathways/routes for the syntheses of perovskites and their oxides were presented in this review. In recent times, electrocatalytic reduction has emerged as the most utilized technique for the conversion of nitrates into ammonia, an industrial feedstock. According to published papers, the efficiency of various perovskites and their oxides used for the electrocatalytic reduction of nitrate achieved a high Faradaic efficiency of 98%. Furthermore, studies published have shown that there is a need to improve the chemical stability of perovskites and their oxides during scale-up applications, as well as their scalability for industrial applications.
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Affiliation(s)
- Ajibola A. Bayode
- College
of Chemical Engineering, Sichuan University
of Science and Engineering, Zigong 643000, P. R. China
- Department
of Chemical Sciences, Faculty of Natural Sciences, Redeemer’s University, P.M.B. 230, 232101 Ede, Nigeria
| | - Odunayo T. Ore
- Department
of Chemical Sciences, Achiever’s
University, P.M.B. 1030, 341101 Owo, Nigeria
| | - Esther A. Nnamani
- Department
of Chemical Sciences, Faculty of Natural Sciences, Redeemer’s University, P.M.B. 230, 232101 Ede, Nigeria
- Environmental
Science and Technology Unit, African Centre of Excellence for Water
and Environmental Research (ACEWATER), Redeemer’s
University, P.M.B. 230, 232101 Ede, Nigeria
| | - Babajide Sotunde
- Department
of Chemical Sciences, Faculty of Natural Sciences, Redeemer’s University, P.M.B. 230, 232101 Ede, Nigeria
- Environmental
Science and Technology Unit, African Centre of Excellence for Water
and Environmental Research (ACEWATER), Redeemer’s
University, P.M.B. 230, 232101 Ede, Nigeria
| | - Daniel T. Koko
- Department
of Chemical Sciences, Faculty of Natural Sciences, Redeemer’s University, P.M.B. 230, 232101 Ede, Nigeria
- Environmental
Science and Technology Unit, African Centre of Excellence for Water
and Environmental Research (ACEWATER), Redeemer’s
University, P.M.B. 230, 232101 Ede, Nigeria
| | - Emmanuel I. Unuabonah
- Department
of Chemical Sciences, Faculty of Natural Sciences, Redeemer’s University, P.M.B. 230, 232101 Ede, Nigeria
- Environmental
Science and Technology Unit, African Centre of Excellence for Water
and Environmental Research (ACEWATER), Redeemer’s
University, P.M.B. 230, 232101 Ede, Nigeria
| | - Brigitte Helmreich
- Chair
of Urban Water Systems Engineering, School
of Engineering and Design, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Martins O. Omorogie
- Department
of Chemical Sciences, Faculty of Natural Sciences, Redeemer’s University, P.M.B. 230, 232101 Ede, Nigeria
- Environmental
Science and Technology Unit, African Centre of Excellence for Water
and Environmental Research (ACEWATER), Redeemer’s
University, P.M.B. 230, 232101 Ede, Nigeria
- Chair
of Urban Water Systems Engineering, School
of Engineering and Design, Technical University of Munich (TUM), 85748 Garching, Germany
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4
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Sharif HMA, Huang J, Khan K, Afzal S, Li C. Redox mediators boost NO x reduction via trade-off electron charges using a cube-shaped (cMn@rGO) catalyst; mechanism and electrochemical study. CHEMOSPHERE 2024; 346:140510. [PMID: 37918538 DOI: 10.1016/j.chemosphere.2023.140510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/07/2023] [Accepted: 10/20/2023] [Indexed: 11/04/2023]
Abstract
Gaseous pollutants like sulfur dioxide and nitrogen oxide(s) (SO2, NOx) have been increasing exponentially for the last two decades, which have had adverse effects on human health, aquatic life, and the environment. Recently, for air pollution taming, manganese/oxide (Mn/MnO) has become a very promising heterogeneous catalyst due to its environment-friendly, low-price, and remarkable catalytic abilities for toxic gases. In this work, cube-shaped Mn nanoparticles (cMn NPs) were decorated on the surface of reduced graphene oxide (rGO) by the solvothermal method. The resulting cMn@rGO composite was employed for electrochemical NOx reduction. However, the microscopic (TEM/HRTEM) and structural analysis were utilised to investigate the morphology and characteristics of the cMn@rGO composite. This electrochemical-based treatment for NOx reduction is employed by using electron shuttle or redox mediators. Here, four distinct redox mediators are used to address electrochemical obstacles, which effectively facilitate electron transportation and promoted NOx reduction on the electrode surface. These mediators not only significantly enhanced the NOx conversion into valuable products, i.e., N2 and N2O, but also made the process smooth with high performance. Among these mediators, neutral red (N.R) exhibited extraordinary potential in enhancing NOx reduction. The obtained results indicated that the remarkable catalytic performance (∼93%) of the cMn@rGO can be attributed to several factors, including the catalyst's three-dimensional architecture structure and abundant active sites. The designed catalyst (cMn@rGO) is not only cost-effective and sustainable but also exhibits excellent potential in effectively reducing NOx, which could be beneficial for large-scale NOx abatement.
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Affiliation(s)
- Hafiz Muhammad Adeel Sharif
- State Key Laboratory of Electronic Thin Film and Integrated Devices, School of Physics, University of Electronic Science and Technology of China, China; Research Center for Eco-Environmental Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Jintong Huang
- Research Center for Eco-Environmental Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Kifayatullah Khan
- Department of Environmental and Conservation Sciences, University of Swat, 19130, Pakistan
| | - Shahzad Afzal
- Department of Environmental engineering China Jiliang university Hangzhou, Zhejiang, 310018, China
| | - Changping Li
- Research Center for Eco-Environmental Engineering, Dongguan University of Technology, Dongguan, 523808, China.
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5
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Chu K, Zong W, Xue G, Guo H, Qin J, Zhu H, Zhang N, Tian Z, Dong H, Miao YE, Roeffaers MBJ, Hofkens J, Lai F, Liu T. Cation Substitution Strategy for Developing Perovskite Oxide with Rich Oxygen Vacancy-Mediated Charge Redistribution Enables Highly Efficient Nitrate Electroreduction to Ammonia. J Am Chem Soc 2023; 145:21387-21396. [PMID: 37728869 PMCID: PMC10557098 DOI: 10.1021/jacs.3c06402] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Indexed: 09/21/2023]
Abstract
The electrocatalytic nitrate (NO3-) reduction reaction (eNITRR) is a promising method for ammonia synthesis. However, its efficacy is currently limited due to poor selectivity, largely caused by the inherent complexity of the multiple-electron processes involved. To address these issues, oxygen-vacancy-rich LaFe0.9M0.1O3-δ (M = Co, Ni, and Cu) perovskite submicrofibers have been designed from the starting material LaFeO3-δ (LF) by a B-site substitution strategy and used as the eNITRR electrocatalyst. Consequently, the LaFe0.9Cu0.1O3-δ (LF0.9Cu0.1) submicrofibers with a stronger Fe-O hybridization, more oxygen vacancies, and more positive surface potential exhibit a higher ammonia yield rate of 349 ± 15 μg h-1 mg-1cat. and a Faradaic efficiency of 48 ± 2% than LF submicrofibers. The COMSOL Multiphysics simulations demonstrate that the more positive surface of LF0.9Cu0.1 submicrofibers can induce NO3- enrichment and suppress the competing hydrogen evolution reaction. By combining a variety of in situ characterizations and density functional theory calculations, the eNITRR mechanism is revealed, where the first proton-electron coupling step (*NO3 + H+ + e- → *HNO3) is the rate-determining step with a reduced energy barrier of 1.83 eV. This work highlights the positive effect of cation substitution in promoting eNITRR properties of perovskites and provides new insights into the studies of perovskite-type electrocatalytic ammonia synthesis catalysts.
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Affiliation(s)
- Kaibin Chu
- The
Key Laboratory of Synthetic and Biological Colloids, Ministry of Education,
School of Chemical and Material Engineering, International Joint Research
Laboratory for Nano Energy Composites, Jiangnan
University, Wuxi 214122, China
- Department
of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven 3001, Belgium
| | - Wei Zong
- The
Key Laboratory of Synthetic and Biological Colloids, Ministry of Education,
School of Chemical and Material Engineering, International Joint Research
Laboratory for Nano Energy Composites, Jiangnan
University, Wuxi 214122, China
| | - Guohao Xue
- The
Key Laboratory of Synthetic and Biological Colloids, Ministry of Education,
School of Chemical and Material Engineering, International Joint Research
Laboratory for Nano Energy Composites, Jiangnan
University, Wuxi 214122, China
| | - Hele Guo
- Department
of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven 3001, Belgium
| | - Jingjing Qin
- The
Key Laboratory of Synthetic and Biological Colloids, Ministry of Education,
School of Chemical and Material Engineering, International Joint Research
Laboratory for Nano Energy Composites, Jiangnan
University, Wuxi 214122, China
| | - Haiyan Zhu
- The
Key Laboratory of Synthetic and Biological Colloids, Ministry of Education,
School of Chemical and Material Engineering, International Joint Research
Laboratory for Nano Energy Composites, Jiangnan
University, Wuxi 214122, China
| | - Nan Zhang
- The
Key Laboratory of Synthetic and Biological Colloids, Ministry of Education,
School of Chemical and Material Engineering, International Joint Research
Laboratory for Nano Energy Composites, Jiangnan
University, Wuxi 214122, China
| | - Zhihong Tian
- Engineering
Research Center for Nanomaterials, Henan
University, Kaifeng 475004, China
| | - Hongliang Dong
- Center
for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
| | - Yue-E. Miao
- State
Key Laboratory for Modification of Chemical Fibers and Polymer Materials,
College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Maarten B. J. Roeffaers
- cMACS,
Department
of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, Leuven 3001, Belgium
| | - Johan Hofkens
- Department
of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven 3001, Belgium
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Feili Lai
- Department
of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven 3001, Belgium
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- John
A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Tianxi Liu
- The
Key Laboratory of Synthetic and Biological Colloids, Ministry of Education,
School of Chemical and Material Engineering, International Joint Research
Laboratory for Nano Energy Composites, Jiangnan
University, Wuxi 214122, China
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6
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Highly Efficient Copper Doping LaFeO3 Perovskite for Bisphenol A Removal by Activating Peroxymonosulfate. Catalysts 2023. [DOI: 10.3390/catal13030575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023] Open
Abstract
A series of copper doping LaFeO3 perovskite (LaCuxFe1−xO3, LCFO, x = 0.1, 0.4, 0.5, 0.6, 0.9) are successfully synthesized by the sol-gel method under mild conditions. In this study, it is applied for the activation of peroxymonosulfate (PMS) for bisphenol A (BPA) removal. More than 92.6% of BPA was degraded within 30 min at 0.7 g/L of LCFO and 10.0 mM of PMS over a wide pH range with limited leaching of copper and iron ions. The physical–chemical properties of the catalysts were demonstrated by using X-ray diffraction (XRD), N2 adsorption–desorption isotherms, scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). Furthermore, the effects of catalyst dosage, PMS concentration, initial pH value, and inorganic anions on the LCFO/PMS system were fully investigated. Quenching experiments were performed to verify the formation of reactive oxidant species, which showed that the radical reaction and mechanisms play a great role in the catalytic degradation of BPA. The perovskite LCFO is considered a stable, easy to synthesize, and efficient catalyst for the activation of PMS for wastewater treatment.
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7
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Zheng H, Zhang Y, Wang Y, Wu Z, Lai F, Chao G, Zhang N, Zhang L, Liu T. Perovskites with Enriched Oxygen Vacancies as a Family of Electrocatalysts for Efficient Nitrate Reduction to Ammonia. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205625. [PMID: 36449575 DOI: 10.1002/smll.202205625] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/09/2022] [Indexed: 06/17/2023]
Abstract
Electrochemical nitrate reduction to ammonia (NRA) provides an efficient, sustainable approach to convert the nitrate pollutants into value-added products, which is regarded as a promising alternative to the industrial Haber-Bosch process. Recent studies have shown that oxygen vacancies of oxide catalysts can adjust the adsorption energies of intermediates and affect their catalytic performance. Compared with other metal oxides, perovskite oxides can allow their metal cations to exist in abnormal or mixed valence states, thereby resulting in enriched oxygen vacancies in their crystal structures. Here, the catalytic activities of perovskite oxides toward NRA catalysis with respect to the amount of oxygen vacancies are explored, where four perovskite oxides with different crystal structures (including cubic LaCrO3 , orthorhombic LaMnO3 and LaFeO3 , hexagonal LaCoO3 ) are chosen and investigated. By combining X-ray photoelectron spectroscopy, electron paramagnetic resonance spectroscopy and electrochemical measurements, it is found that the amount of oxygen vacancies in these perovskite oxides surprisingly follow the same order as their activities toward NRA catalysis (LaCrO3 < LaMnO3 < LaFeO3 < LaCoO3 ). Further theoretical studies reveal that the existence of oxygen vacancies in LaCoO3 perovskite can decrease the energy barriers for reduction of *HNO3 to *NO2 , leading to its superior NRA performance.
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Affiliation(s)
- Hui Zheng
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Yizhe Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Yang Wang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Zhenzhong Wu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Feili Lai
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven, 3001, Belgium
| | - Guojie Chao
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Nan Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Longsheng Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - Tianxi Liu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
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Zhou J, Liu T, Zhang J, Zhao L, He W, Wang Y. Rational design of ultrafine cobalt free electrospun nanofibers as efficient and durable binfunctional oxygen electrocatalysts for rechargeable zinc-air battery. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2022.122316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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9
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Yuan RH, Chen B, Zhang Y, Tan F, Liu T. Boosting the bifunctional electrocatalytic activity of cobalt free perovskite oxide (La0.8Sr0.2)0.95MnO3 via iron doping for high-efficiency Zn–air batteries. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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