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Zhu Q, Xiang T, Chen C, Zhang J, Wu Z, Rao S, Li B, Yang J. Enhancing activity and stability of FeNC catalysts through co incorporation for oxygen reduction reaction. J Colloid Interface Sci 2024; 663:53-60. [PMID: 38387186 DOI: 10.1016/j.jcis.2024.02.144] [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: 01/03/2024] [Revised: 02/14/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
FeNC single atom catalysts (SACs) have attracted great interest due to their highly active FeN4 sites. However, the pyrolysis treatment often leads to inevitable metal migration and aggregation, which reduces the catalytic activity. Moreover, due to the Fenton reaction caused by FeNC in alkaline and acidic solutions, the presence of Fe and peroxide in electrodes may generate free radicals, resulting in serious degradation of the organic ionomer and the membrane. Herein, we report an original strategy of introducing Co single atoms into FeNC catalysts, forming atomically dispersed bimetallic active sites (FeCoNC) and improving the activity and stability of the catalyst. Benefiting from this strategy, FeCoNC catalyst exhibits excellent oxygen reduction reaction (ORR) activity in alkaline media (E1/2 = 0.88 V) and in acidic media (E1/2 = 0.77 V). As the cathode of Zn-air battery (ZAB), FeCoNC shows an excellent peak power density of 142.8 mW cm-2 and a specific capacity of 806.6 mAh/gZn. This work provides a novel avenue to optimize and enhance the ORR performance of atomic dispersed FeNC catalysts.
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Affiliation(s)
- Qingchao Zhu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Tingting Xiang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Chenglong Chen
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jiali Zhang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Zirui Wu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Shaosheng Rao
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Bing Li
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Juan Yang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China.
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Cardoso ESF, Fortunato GV, Rodrigues CD, Lanza MRV, Maia G. Exploring the Potential of Heteroatom-Doped Graphene Nanoribbons as a Catalyst for Oxygen Reduction. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2831. [PMID: 37947677 PMCID: PMC10650208 DOI: 10.3390/nano13212831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/26/2023] [Accepted: 08/29/2023] [Indexed: 11/12/2023]
Abstract
In this study, we created a series of N, S, and P-doped and co-doped carbon catalysts using a single graphene nanoribbon (GNR) matrix and thoroughly evaluated the impact of doping on ORR activity and selectivity in acidic, neutral, and alkaline conditions. The results obtained showed no significant changes in the GNR structure after the doping process, though changes were observed in the surface chemistry in view of the heteroatom insertion and oxygen depletion. Of all the dopants investigated, nitrogen (mainly in the form of pyrrolic-N and graphitic-N) was the most easily inserted and detected in the carbon matrix. The electrochemical analyses conducted showed that doping impacted the performance of the catalyst in ORR through changes in the chemical composition of the catalyst, as well as in the double-layer capacitance and electrochemically accessible surface area. In terms of selectivity, GNR doped with phosphorus and sulfur favored the 2e- ORR pathway, while nitrogen favored the 4e- ORR pathway. These findings can provide useful insights into the design of more efficient and versatile catalytic materials for ORR in different electrolyte solutions, based on functionalized carbon.
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Grants
- grants #465571/2014-0, #302874/2017-8, #427452/2018-0, #303351/2018-7, #405742/2018-5, #380886/2020-0, #303943/2021-1, #302561/2022-6, # 151161/2023-2 National Council for Scientific and Technological Development
- grants #71/020.168/2021, #71/027.195/2022 and #71/039.199/2022 Fundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul
- PrInt grant #88881.311799/2018-01, PNPD-CAPES, and CAPES - Finance Code 001 Coordenação de Aperfeicoamento de Pessoal de Nível Superior
- grants 2014/50945-4, 2017/10118-0, #2019/04421-7, and #2023/01425-7 São Paulo Research Foundation
- grant # 2023/10772-2 São Paulo Research Foundation
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Affiliation(s)
- Eduardo S. F. Cardoso
- Institute of Chemistry, Federal University of Mato Grosso do Sul, Av. Senador Filinto Muller 1555, Campo Grande 79074-460, MS, Brazil;
| | - Guilherme V. Fortunato
- São Carlos Institute of Chemistry, University of São Paulo, Avenida Trabalhador São-Carlense 400, São Carlos 13566-590, SP, Brazil; (G.V.F.); (M.R.V.L.)
| | - Clauber D. Rodrigues
- Campus Glória de Dourados, State University of Mato Grosso do Sul, Rua Rogério Luis Rodrigues s/n, Glória de Dourados 79730-000, MS, Brazil;
| | - Marcos R. V. Lanza
- São Carlos Institute of Chemistry, University of São Paulo, Avenida Trabalhador São-Carlense 400, São Carlos 13566-590, SP, Brazil; (G.V.F.); (M.R.V.L.)
| | - Gilberto Maia
- Institute of Chemistry, Federal University of Mato Grosso do Sul, Av. Senador Filinto Muller 1555, Campo Grande 79074-460, MS, Brazil;
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Tang W, Mai J, Liu L, Yu N, Fu L, Chen Y, Liu Y, Wu Y, van Ree T. Recent advances of bifunctional catalysts for zinc air batteries with stability considerations: from selecting materials to reconstruction. NANOSCALE ADVANCES 2023; 5:4368-4401. [PMID: 37638171 PMCID: PMC10448312 DOI: 10.1039/d3na00074e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 07/18/2023] [Indexed: 08/29/2023]
Abstract
With the growing depletion of traditional fossil energy resources and ongoing enhanced awareness of environmental protection, research on electrochemical energy storage techniques like zinc-air batteries is receiving close attention. A significant amount of work on bifunctional catalysts is devoted to improving OER and ORR reaction performance to pave the way for the commercialization of new batteries. Although most traditional energy storage systems perform very well, their durability in practical applications is receiving less attention, with issues such as carbon corrosion, reconstruction during the OER process, and degradation, which can seriously impact long-term use. To be able to design bifunctional materials in a bottom-up approach, a summary of different kinds of carbon materials and transition metal-based materials will be of assistance in selecting a suitable and highly active catalyst from the extensive existing non-precious materials database. Also, the modulation of current carbon materials, aimed at increasing defects and vacancies in carbon and electron distribution in metal-N-C is introduced to attain improved ORR performance of porous materials with fast mass and air transfer. Finally, the reconstruction of catalysts is introduced. The review concludes with comprehensive recommendations for obtaining high-performance and highly-durable catalysts.
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Affiliation(s)
- Wanqi Tang
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
- College of Chemical Engineering, Nanjing Tech University Nanjing 210009 China
| | - Jiarong Mai
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Lili Liu
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Nengfei Yu
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Lijun Fu
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Yuhui Chen
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Yankai Liu
- Hunan Bolt Power New Energy Co., Ltd Dianjiangjun Industrial Park, Louxing District Loudi 417000 Hunan China
| | - Yuping Wu
- State Key Laboratory of Materials-oriented Chemical Engineering, Institute of Advanced Materials (IAM), School of Energy Science and Engineering, Nanjing Tech University Nanjing 211816 P. R. China
- Hunan Bolt Power New Energy Co., Ltd Dianjiangjun Industrial Park, Louxing District Loudi 417000 Hunan China
- School of Energy and Environment, Southeast University Nanjing 210096 China
| | - Teunis van Ree
- Department of Chemistry, University of Venda Thohoyandou 0950 South Africa
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Li B, Zhang J, Zhu Q, Xiang T, Wang R, Hu T, Jin R, Yang J. Nanoreactor of Fe, N Co-Doped Hollow Carbon Spheres for Oxygen Reduction Catalysis. Inorg Chem 2023; 62:6510-6517. [PMID: 37027781 DOI: 10.1021/acs.inorgchem.3c00582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
Abstract
A simple template strategy was applied to prepare a Fe, N co-doped hollow carbon (Fe-NHC) nanoreactor for the oxygen reduction reaction (ORR) by coating Fe nanoparticles (Fe-NPs) with polydopamine (PDA), followed by high temperature pyrolysis and acid-leaching. With this method, Fe-NPs were used as both the template and the metal precursor, so that the nanoreactors can preserve the original spherical morphology and embed Fe single atoms on the inner walls. The carbonized PDA contained abundant N content, offering an ideal coordination environment for Fe atoms. By regulating the mass ratio of Fe-NPs and PDA, an optimal sample with a carbon layer thickness of 12 nm (Fe-NHC-3) was obtained. The hollow spherical structure of the nanoreactors and the atomically dispersed Fe were verified by various physical characterizations. As a result, Fe-NHC-3 performed well in ORR tests under alkaline conditions, with high catalytic activity, durability, and methanol resistance, demonstrating that the as-fabricated materials have the potential to be applied in the cathodic catalysis of fuel cells.
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Affiliation(s)
- Bing Li
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jiali Zhang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Qingchao Zhu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Tingting Xiang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ruibo Wang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Tieyu Hu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ran Jin
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Juan Yang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
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Zhao Q, Tan X, Liu T, Hou S, Ni W, Huang H, Zhang J, Yang Z, Li D, Hu H, Wu M. Engineering adjacent N, P and S active sites on hierarchical porous carbon nanoshells for superior oxygen reduction reaction and rechargeable Zn-air batteries. J Colloid Interface Sci 2023; 633:1022-1032. [PMID: 36516678 DOI: 10.1016/j.jcis.2022.11.144] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 11/26/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022]
Abstract
Heteroatom-doped carbon materials have been regarded as sustainable alternatives to the noble-metal catalysts for oxygen reduction reaction (ORR), while the catalytic performances still remain unsatisfactory. Herein, we develop a metal-free adjacent N, P and S-codoped hierarchical porous carbon nanoshells (NPS-HPCNs) through a novel layer-by-layer template coating method. The NPS-HPCNs is rationally fabricated by crosslinking of polyethyenemine (PEI) and phytic acid (PA) on nano-SiO2 template surface and subsequently coating of viscous sulfur-bearing petroleum pitch, followed by pyrolysis and alkaline etching. Soft X-ray absorption near-edge spectroscopy (XANES) analysis and density functional theory (DFT) calculations prove the engineering of adjacent N, P and S atoms to generate synergistic and reinforced active sites for oxygen electrocatalysis. The NPS-HPCNs manifests excellent ORR activity with a half-wave potential (E1/2) of 0.86 V, as well as promoted durability and methanol tolerance in alkaline medium. Remarkably, the NPS-HPCNs-based Zn-air battery delivers an open-circuit voltage of 1.479 V, a considerable peak power density of 206 mW cm-2 and robust cycling stability (over 200 h), even exceeding the commercial Pt/C catalyst. This study offers fundamental insights into the construction and synergistic mechanism of adjacent heteroatoms on carbon substrate, providing advanced metal-free electrocatalysts for Zn-air batteries and other energy conversion and storage devices.
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Affiliation(s)
- Qingshan Zhao
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Xiaojie Tan
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Tengfei Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Shuai Hou
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Wanxin Ni
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Hao Huang
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Jinqiang Zhang
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Zhongxue Yang
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Dawei Li
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Han Hu
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China
| | - Mingbo Wu
- State Key Laboratory of Heavy Oil Processing, College of Chemistry and Chemical Engineering, College of New Energy, China University of Petroleum (East China), Qingdao 266580, China.
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Li B, Xiang T, Shao Y, Lv F, Cheng C, Zhang J, Zhu Q, Zhang Y, Yang J. Secondary-Heteroatom-Doping-Derived Synthesis of N, S Co-Doped Graphene Nanoribbons for Enhanced Oxygen Reduction Activity. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3306. [PMID: 36234434 PMCID: PMC9565512 DOI: 10.3390/nano12193306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
The rareness and weak durability of Pt-based electrocatalysts for oxygen reduction reactions (ORRs) have hindered the large-scale application of fuel cells. Here, we developed an efficient metal-free catalyst consisting of N, S co-doped graphene nanoribbons (N, S-GNR-2s) for ORRs. GNRs were firstly synthesized via the chemical unzipping of carbon nanotubes, and then N, S co-doping was conducted using urea as the primary and sulfourea as the secondary heteroatom sources. The successful incorporation of nitrogen and sulfur was confirmed by elemental mapping analysis as well as X-ray photoelectron spectroscopy. Electrochemical testing revealed that N, S-GNR-2s exhibited an Eonset of 0.89 V, E1/2 of 0.79 V and an average electron transfer number of 3.72, as well as good stability and methanol tolerance. As a result, N, S-GNR-2s displayed better ORR property than either N-GNRs or N, S-GNRs, the control samples prepared with only a primary heteroatom source, strongly clarifying the significance of secondary-heteroatom-doping on enhancing the catalytic activity of carbon-based nanomaterials.
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Zhang Y, Zhang H, Sha W, Song Y, Liu P, Liu R, Hou Y, Wei H, Xu B, Cao T, Guo J. N-doped graphene nanoribbons intertwined on 3D graphene skeleton as superior metal-free electrocatalyst for oxygen reduction. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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