1
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Meng H, Song J, Zhang Y. ZIF67-ZIF8@MFC-Derived Co-Zn/NC Interconnected Frameworks Combined with Perfluorosulfonic Acid Polymer as a Highly Efficient and Stable Composite Electrocatalyst for Oxygen Reduction Reactions. Polymers (Basel) 2024; 16:505. [PMID: 38399883 PMCID: PMC10893250 DOI: 10.3390/polym16040505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/02/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
The development of precious metal-free (M-N-C) catalysts for the oxygen reduction reaction (ORR) is considered crucial for reducing fuel cell costs. Herein, Co-Zn/NC interconnected frameworks with uniformly dispersed Co nanoparticles and graphitic carbon are designed and successfully synthesized through the in situ growth of zeolitic imidazolate frameworks (ZIF67 and ZIF8) along with biomass nano-microfibrillar cellulose (MFC), followed by pyrolysis. A Co-Zn/NC composite is prepared by combining Co-Zn/NC with a perfluorosulfonic acid polymer. The Co-Zn/NC composite catalyst exhibits excellent ORR catalytic activity (E0 = 0.974 V vs. RHE, E1/2 = 0.858 V vs. RHE) and good long-term durability, with 90% current retention after 10000s, surpassing that of commercial Pt/C in alkaline media. The hierarchical porous structure, coupled with the uniform distribution of Co nanoparticles and nitrogen doping, contributes to superior electrocatalytic performance, while the interconnected frameworks and graphitic carbon ensure good stability. Additionally, the Co-Zn/NC composite demonstrates promising applications in acidic media. This strategy offers significant guidance to develop advanced non-precious metal carbon-based catalysts for highly efficient and stable ORR.
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Affiliation(s)
| | - Jingnan Song
- School of Chemistry and Chemical Engineering, Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Yongming Zhang
- School of Chemistry and Chemical Engineering, Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai 200240, China;
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2
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Zou T, Wang Y, Xu F. Defect-Engineered Charge Transfer in a PtCu/Pr xCe 1-xO 2 Carbon-Free Catalyst for Promoting the Methanol Oxidation and Oxygen Reduction Reactions. ACS APPLIED MATERIALS & INTERFACES 2023; 15:58296-58308. [PMID: 38064379 DOI: 10.1021/acsami.3c11446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Platinum (Pt) and Pt-based alloys have been extensively studied as efficient catalysts for both the anode and cathode of direct methanol fuel cells (DMFC). Defect engineering has been revealed to be practicable in tuning the charge transfer between Pt and transition metals/supports, which leads to the charge density rearrangement and facilitates the electrocatalytic performance. Herein, Pr-doped CeO2 nanocubes were used as the noncarbon support of a PtCu catalyst. The concentration and structure of oxygen vacancy (Vo) defects were engineered by Pr doping. Besides the Vo monomer, the oxygen vacancy with a linear structure is also observed, leading to the one-dimensional PtCu. The Vo concentration shows the volcanic scenario as Pr increased. Accordingly, the activities of PtCu/PrxCe1-xO2 toward methanol oxidation and oxygen reduction reactions exhibit the volcanic scenario. PtCu/Pr0.15Ce0.85O2 exhibits the optimal catalytic performance with the specific activity 3.57 times higher than that of Pt/C toward MOR and 1.34 times higher toward ORR. The MOR and ORR mass activities of PtCu/Pr0.15Ce0.85O2 reached 1.05 and 0.12 A·mg-1, which are 3.09 and 0.92 times the values of Pt/C, respectively. The abundant Vo afforded surplus electrons, which tailored the electron transfer between PtCu and PrxCe1-xO2, leading to enhanced catalytic performance of PtCu/PrxCe1-xO2. DFT calculations on PtCu/Pr0.15Ce0.85O2 revealed that Pr doping reduced the band gap of CeO2 and lowered the overpotential.
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Affiliation(s)
- Tianhua Zou
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350002, China
| | - Yifen Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350002, China
| | - Feng Xu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350002, China
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3
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Mou X, Xin X, Dong Y, Zhao B, Gao R, Liu T, Li N, Liu H, Xiao Z. Molecular Design of Porous Organic Polymer-Derived Carbonaceous Electrocatalysts for Pinpointing Active Sites in Oxygen Reduction Reaction. Molecules 2023; 28:molecules28104160. [PMID: 37241900 DOI: 10.3390/molecules28104160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/13/2023] [Accepted: 05/14/2023] [Indexed: 05/28/2023] Open
Abstract
The widespread application of fuel cells is hampered by the sluggish kinetics of the oxygen reduction reaction (ORR), which traditionally necessitates the use of high-cost platinum group metal catalysts. The indispensability of these metal catalysts stems from their ability to overcome kinetic barriers, but their high cost and scarcity necessitate alternative strategies. In this context, porous organic polymers (POPs), which are built up from the molecular level, are emerging as promising precursors to produce carbonaceous catalysts owning to their cost-effectiveness, high electrical conductivity, abundant active sites and extensive surface area accessibility. To enhance the intrinsic ORR activity and optimize the performance of these electrocatalysts, recognizing, designing, and increasing the density of active sites are identified as three crucial steps. These steps, which form the core of our review, serve to elucidate the link between the material structure design and ORR performance evaluation, thereby providing valuable insights for ongoing research in the field. Leveraging the precision of polymer skeletons based on molecular units, POP-derived carbonaceous catalysts provide an excellent platform for in-depth exploration of the role and working mechanism for the specific active site during the ORR process. In this review, the recent advances pertaining to the synthesis techniques and electrochemical functions of various types of active sites, pinpointed from POPs, are systematically summarized, including heteroatoms, surficial substituents and edge/defects. Notably, the structure-property relationship, between these active sites and ORR performance, are discussed and emphasized, which creates guidelines to shed light on the design of high-performance ORR electrocatalysts.
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Affiliation(s)
- Xiaofeng Mou
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Xiaoyu Xin
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Yanli Dong
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Bin Zhao
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Runze Gao
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Tianao Liu
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Na Li
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Huimin Liu
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
| | - Zhichang Xiao
- Department of Chemistry, College of Science, Hebei Agricultural University, Baoding 071001, China
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4
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Yang F, Ren R, Zhang X, Waqas M, Peng X, Wang L, Liu X, Chen DH, Fan Y, Chen W. Tailoring the electronic structure of PdAg alloy nanowires for high oxygen reduction reaction. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY 2023. [DOI: 10.1016/j.cjsc.2023.100068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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5
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GDE vs RDE: Impact of operation conditions on intrinsic catalytic parameters of FeNC catalyst for the oxygen reduction reaction. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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6
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Ma FX, Liu ZQ, Zhang G, Xiong YX, Zhang MT, Zheng L, Zhen L, Xu CY. Isolating Fe Atoms in N-Doped Carbon Hollow Nanorods through a ZIF-Phase-Transition Strategy for Efficient Oxygen Reduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2205033. [PMID: 36285776 DOI: 10.1002/smll.202205033] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/01/2022] [Indexed: 06/16/2023]
Abstract
Transition metal-nitrogen-carbon (TM-N-C) catalysts have been intensely investigated to tackle the sluggish oxygen reduction reactions (ORRs), but insufficient accessibility of the active sites limits their performance. Here, by using solid ZIF-L nanorods as self-sacrifice templates, a ZIF-phase-transition strategy is developed to fabricate ZIF-8 hollow nanorods with open cavities, which can be subsequently converted to atomically dispersed Fe-N-C hollow nanorods (denoted as Fe1 -N-C HNRs) through rational carbonization and following fixation of iron atoms. The microstructure observation and X-ray absorption fine structure analysis confirm abundant Fe-N4 active sites are evenly distributed in the carbon skeleton. Thanks to the highly accessible Fe-N4 active sites provided by the highly porous and open carbon hollow architecture, the Fe1 -N-C HNRs exhibit superior ORR activity and stability in alkaline and acidic electrolytes with very positive half-wave potentials of 0.91 and 0.8 V versus RHE, respectively, both of which surpass those of commercial Pt/C. Remarkably, the dynamic current density (JK ) of Fe1 -N-C HNRs at 0.85 V versus RHE in alkaline media delivers a record value of 148 mA cm-2 , 21 times higher than that of Pt/C. The assembled Zn-air battery using Fe1 -N-C HNRs as cathode catalyst exhibits a high peak power density of 208 mW cm-2 .
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Affiliation(s)
- Fei-Xiang Ma
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Zheng-Qi Liu
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Guobin Zhang
- Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Shenzhen, 518055, China
| | - Yu-Xuan Xiong
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Meng-Tian Zhang
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Liang Zhen
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
- MOE Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin, 150080, China
| | - Cheng-Yan Xu
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
- MOE Key Laboratory of Micro-Systems and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin, 150080, China
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7
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Wei J, Xia D, Wei Y, Zhu X, Li J, Gan L. Probing the Oxygen Reduction Reaction Intermediates and Dynamic Active Site Structures of Molecular and Pyrolyzed Fe–N–C Electrocatalysts by In Situ Raman Spectroscopy. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00771] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Jie Wei
- Shenzhen Geim Graphene Research Centre, Institute of Materials Research, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, P. R. China
| | - Dongsheng Xia
- Shenzhen Geim Graphene Research Centre, Institute of Materials Research, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, P. R. China
| | - Yinping Wei
- Shenzhen Geim Graphene Research Centre, Institute of Materials Research, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, P. R. China
| | - Xuya Zhu
- Shenzhen Geim Graphene Research Centre, Institute of Materials Research, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, P. R. China
| | - Jia Li
- Shenzhen Geim Graphene Research Centre, Institute of Materials Research, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, P. R. China
| | - Lin Gan
- Shenzhen Geim Graphene Research Centre, Institute of Materials Research, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, P. R. China
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8
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Xiao T, Wang Y, Wan J, Ma Y, Yan Z, Huang S, Zeng C. Fe-N-C catalyst with Fe-N X sites anchored nano carboncubes derived from Fe-Zn-MOFs activate peroxymonosulfate for high-effective degradation of ciprofloxacin: Thermal activation and catalytic mechanism. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127380. [PMID: 34879571 DOI: 10.1016/j.jhazmat.2021.127380] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 09/06/2021] [Accepted: 09/26/2021] [Indexed: 06/13/2023]
Abstract
Developing high-efficient catalysts is crucial for activating peroxymonosulfate (PMS). Fe-N-C catalysts exhibit excellent performance for PMS activation because of the contribution of doped N, Fe-Nx and Fe3C sites. In our work, a series of Fe-N-C catalysts with high-performance was obtained by pyrolyzing Fe-Zn-MOFs precursors. During pyrolysis process, the change of chemical bonds and formation of active sites in the precursor were elucidated by characterization analysis and related catalytic experiments. Graphitic N, Fe-Nx and Fe3C were confirmed to activate PMS synergistically for ciprofloxacin (CIP) degradation. Besides, the catalytic performance was proportional to the amount of doped iron and calcination temperature. Moreover, the Fe-N-C-3-800/PMS system not only displayed good recycling performance, but also had high anti-interference ability. Integrated with quenching and electron paramagnetic resonance (EPR) experiments, a non-radical pathway dominated by 1O2 was proposed. Furthermore, PMS could bond to Fe-N-C-3-800 to form intermediate for charge transfer, thus accelerate electron transfer between CIP and PMS to realize degradation of CIP. Six main pathways of CIP degradation were proposed, which include bond fission of N-C on piperazine ring and direct oxidation of CIP. This study provided a new idea for the design of heterogeneous carbon catalysts in advanced oxidation field.
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Affiliation(s)
- Tong Xiao
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Yan Wang
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China.
| | - Jinquan Wan
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China; Guangdong Plant Fiber High-Valued Cleaning Utilization Engineering Technology Research Center, Guangzhou 510640, China
| | - Yongwen Ma
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China; Guangdong Plant Fiber High-Valued Cleaning Utilization Engineering Technology Research Center, Guangzhou 510640, China
| | - Zhicheng Yan
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Shuhong Huang
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Cheng Zeng
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
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9
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Guo P, Liu B, Dai YK, Gong XF, Xia YF, Zhang YL, Liu B, Zhao L, Sui XL, Wang ZB. Coupling fine Pt nanoparticles and Co-N x moiety as a synergistic bi-active site catalyst for oxygen reduction reaction in acid media. J Colloid Interface Sci 2022; 613:276-284. [PMID: 35042028 DOI: 10.1016/j.jcis.2022.01.042] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 01/05/2022] [Accepted: 01/06/2022] [Indexed: 10/19/2022]
Abstract
Fabricating high-efficiency catalysts of Pt nanoparticles coupled with single-atom sites (MNC) attracts intensive attention to accelerate the oxygen reduction reaction (ORR). Here we rationally design the low-Pt hybrid catalyst containing fine Pt nanoparticles coupled with Co-Nx moieties via a microwave-assisted heating process. The well-dispersed Pt nanoparticles are anchored by CoNC supports because of the metal-support interaction. Furthermore, the Co-Nx moiety acts as an electron donor to regulate the electronic structure of Pt through the electron synergistic effect, moderating the adsorption energy of oxygen intermediates on Pt sites, and then increasing the intrinsic activity of Pt. In addition, the overflow effect from CoNC to Pt facilitates a nearly four-electron process and enhances the kinetics of ORR. In acid media, the optimized 10% Pt/CoNC hybrid catalysts with Pt nanoparticles size (2.18 nm) exhibit improved ORR activity and robust durability, delivering a half-wave potential (E1/2) of 0.886 V and negligible loss after accelerated durability test, exceeding the best-in-class commercial Pt/C. The finding of the synergy between CoNC supports and Pt nanoparticles offers a novel ideation to construct various low-loading Pt-based hybrid catalysts.
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Affiliation(s)
- Pan Guo
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Bo Liu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Yun-Kun Dai
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Xiao-Fei Gong
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Yun-Fei Xia
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Yun-Long Zhang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Bing Liu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
| | - Lei Zhao
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China.
| | - Xu-Lei Sui
- Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China.
| | - Zhen-Bo Wang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China; Shenzhen Key Laboratory of Special Functional Materials, Shenzhen Engineering Laboratory for Advance Technology of Ceramics, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China.
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10
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Modulating acid-base properties of ZIF-8 by thermal-induced structure evolution. J Catal 2022. [DOI: 10.1016/j.jcat.2021.12.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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Chang ZH, Chen YZ, Zhang YC, Wang XL. Polyoxometalate-based metal–organic complexes and their derivatives as electrocatalysts for energy conversion in aqueous systems. CrystEngComm 2022. [DOI: 10.1039/d2ce00815g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The research progress on polyoxometalate-based metal–organic complexes and their derivatives as electrocatalysts in sustainable and clean energy conversion applications in aqueous systems is summarized.
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Affiliation(s)
- Zhi-Han Chang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, P. R. China
| | - Yong-Zhen Chen
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, P. R. China
| | - Yu-Chen Zhang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, P. R. China
| | - Xiu-Li Wang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, P. R. China
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12
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Ma Q, Jin H, Zhu J, Li Z, Xu H, Liu B, Zhang Z, Ma J, Mu S. Stabilizing Fe-N-C Catalysts as Model for Oxygen Reduction Reaction. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2102209. [PMID: 34687174 PMCID: PMC8655191 DOI: 10.1002/advs.202102209] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 09/08/2021] [Indexed: 05/05/2023]
Abstract
The highly efficient energy conversion of the polymer-electrolyte-membrane fuel cell (PEMFC) is extremely limited by the sluggish oxygen reduction reaction (ORR) kinetics and poor electrochemical stability of catalysts. Hitherto, to replace costly Pt-based catalysts, non-noble-metal ORR catalysts are developed, among which transition metal-heteroatoms-carbon (TM-H-C) materials present great potential for industrial applications due to their outstanding catalytic activity and low expense. However, their poor stability during testing in a two-electrode system and their high complexity have become a big barrier for commercial applications. Thus, herein, to simplify the research, the typical Fe-N-C material with the relatively simple constitution and structure, is selected as a model catalyst for TM-H-C to explore and improve the stability of such a kind of catalysts. Then, different types of active sites (centers) and coordination in Fe-N-C are systematically summarized and discussed, and the possible attenuation mechanism and strategies are analyzed. Finally, some challenges faced by such catalysts and their prospects are proposed to shed some light on the future development trend of TM-H-C materials for advanced ORR catalysis.
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Affiliation(s)
- Qianli Ma
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong LaboratoryXianhu Hydrogen ValleyFoshan528200P. R. China
| | - Huihui Jin
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
| | - Jiawei Zhu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
| | - Zilan Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
| | - Hanwen Xu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
| | - Bingshuai Liu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
| | - Zhiwei Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
| | - Jingjing Ma
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
| | - Shichun Mu
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong LaboratoryXianhu Hydrogen ValleyFoshan528200P. R. China
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13
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Li H, Chen X, Chen J, Shen K, Li Y. Hierarchically porous Fe,N-doped carbon nanorods derived from 1D Fe-doped MOFs as highly efficient oxygen reduction electrocatalysts in both alkaline and acidic media. NANOSCALE 2021; 13:10500-10508. [PMID: 34085689 DOI: 10.1039/d1nr01603b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Rationally designing low-cost yet highly efficient electrocatalysts for the oxygen reduction reaction (ORR) in both alkaline and acidic media remains highly challenging. Herein, we report the facile synthesis of Fe,N-doped carbon nanorods (denoted as Fe-N/C-NR) with abundant hierarchical pores and highly active sites by the pyrolysis of a one-dimensional (1D) Fe-doped zeolitic imidazolate framework (Fe-ZIF-8) as a self-sacrificing template. The unique 1D nanoarchitecture of the resultant Fe-N/C-NR can provide fast electron and electrolyte transport towards exposed active sites, and their hierarchically porous structures with large surface areas can efficiently facilitate mass diffusion and increase the density of exposed active sites. Furthermore, it is demonstrated that the coexistence of highly dispersed Fe-Nx sites and Fe3C/Fe nanoparticles (NPs) in these electrocatalysts can provide a large number of desired catalytic centers with highly intrinsic activity and structural stability. As a result, the optimized 5Fe-N/C-NR exhibits excellent catalytic activity for the ORR, with a high half-wave potential (E1/2) of 0.90 V vs. RHE in alkaline medium, superior to that of commercial Pt/C (0.86 V vs. RHE), and also a high E1/2 of 0.81 V vs. RHE in acidic medium, comparable to that of commercial Pt/C (0.81 V vs. RHE). Moreover, its robust ORR durability can far surpass that of commercial Pt/C in both acidic and alkaline media, further highlighting the merit of this MOF-templated strategy. Our findings might shed light on the rational design of cost-effective and highly efficient ORR electrocatalysts for practical applications.
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Affiliation(s)
- Hao Li
- Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Xiao Chen
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Junying Chen
- Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Kui Shen
- Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Yingwei Li
- Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
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14
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Meng H, Pei S, Li H, Zhang Y. CoFe/N, S-C Featured with Graphitic Nanoribbons and Multiple CoFe Nanoparticles as Highly Stable and Efficient Electrocatalysts for the Oxygen Reduction Reaction. ACS OMEGA 2021; 6:11059-11067. [PMID: 34056259 PMCID: PMC8153915 DOI: 10.1021/acsomega.1c01024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 04/01/2021] [Indexed: 06/12/2023]
Abstract
The stability and activity of the catalysts are crucial for the oxygen reduction reaction (ORR) in fuel cells. Herein, CoFe/N, S-codoped biomass carbon (FB-CoFe-700) with graphitic nanoribbons and multiple CoFe nanoparticles was prepared through a facile thermal pyrolysis followed by an acid treatment process. The evolution of the growth of metal nanoparticles with the formation of graphite during the carbonization process was investigated. Inseparable from graphitic carbon-encased metal nanoparticles with the coexistence of graphitized nanoribbons and graphene-like sheets, FB-CoFe-700 exhibited a remarkable long-term electrocatalytic stability with 90.7% current retention after 50 000 s much superior to that of the commercially available Pt/C (20 wt %) in an alkaline medium. Meanwhile, FB-CoFe-700 displayed promising ORR catalytic activity (E 0 = 0.92 V vs reversible hydrogen electrode (RHE), E 1/2 = 0.82 V vs RHE, and n = 3.97) very similar to that of commercial Pt/C and outstanding methanol tolerance in an alkaline medium. This work is helpful for further development of nonprecious metal-doped carbon electrocatalysts with long-term stability.
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Affiliation(s)
- Hongjie Meng
- School
of Chemistry and Chemical Engineering, Frontiers Science Center for
Transformative Molecules, Shanghai Key Lab of Electrical Insulation
and Thermal Aging, Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Supeng Pei
- School
of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, P. R. China
| | - Hong Li
- School
of Chemistry and Chemical Engineering, Frontiers Science Center for
Transformative Molecules, Shanghai Key Lab of Electrical Insulation
and Thermal Aging, Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Yongming Zhang
- School
of Chemistry and Chemical Engineering, Frontiers Science Center for
Transformative Molecules, Shanghai Key Lab of Electrical Insulation
and Thermal Aging, Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
- State
Key Laboratory of Fluorinated Functional Membrane Materials, Shandong Huaxia Shenzhou New Material Co. Ltd., Zibo 256401, P. R. China
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15
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Meng D, Zhang C, Liang Y, Qiu W, Kong F, He X, Chen M, Liang P, Zhang Z. Electrospun cobalt Prussian blue analogue-derived nanofibers for oxygen reduction reaction and lithium-ion batteries. J Colloid Interface Sci 2021; 599:280-290. [PMID: 33945975 DOI: 10.1016/j.jcis.2021.04.102] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 10/21/2022]
Abstract
Electrospinning is an effective technique to fabricate one-dimensional materials. In this study, cobalt-embedded carbon nanofibers (Co@CNFs) are obtained via carbonization of electrospun cobalt Prussian blue analogue (Co-Co PBA) under nitrogen atmosphere. The Co@CNFs have metallic cobalt surrounded by graphitic carbon shells and possess high specific surface area, rich porosity, high graphitic degree, and rational nitrogen doping. The structure merits endow them with excellent electrocatalytic performances for oxygen reduction reaction (ORR): an onset potential of 0.867 V vs. RHE and 0.784 V vs. RHE at j = - 3 mA cm-2 with a four-electron transfer process. Through a further mild oxidation process, we obtain Co3O4 nanoparticles-embedded nitrogen-doped carbon (Co3O4@CNFs) with spindle-like morphology. When working as the anode materials for lithium-ion batteries (LIBs), Co3O4@CNFs show high specific capacity, good stability, and excellent rate capability. The Co3O4@CNFs anode delivers a discharge specific capacity of 1404 mA h g-1 after 100 cycles at a current density of 100 mA g-1 and about 500 mA h g-1 after 500 cycles at 2000 mA g-1. The diffusion- and capacitive-controlled processes both contribute to the charge storage of the Co3O4@CNFs electrode. This study provides a new strategy to fabricate the excellent electrocatalysts for ORR and anode materials for LIBs via facile electrospinning.
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Affiliation(s)
- Dingding Meng
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China
| | - Chi Zhang
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China
| | - Yi Liang
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China
| | - Weiye Qiu
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China
| | - Fanping Kong
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China
| | - Xin He
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China
| | - Mei Chen
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China
| | - Ping Liang
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China.
| | - Zhonghua Zhang
- School of Applied Physics and Materials, Wuyi University, Jiangmen, China; Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan, China.
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16
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Probing the catalytic activity of M-N4−xOx embedded graphene for the oxygen reduction reaction by density functional theory. Front Chem Sci Eng 2021. [DOI: 10.1007/s11705-020-2017-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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17
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Delaporte N, Rivard E, Natarajan SK, Benard P, Trudeau ML, Zaghib K. Synthesis and Performance of MOF-Based Non-Noble Metal Catalysts for the Oxygen Reduction Reaction in Proton-Exchange Membrane Fuel Cells: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1947. [PMID: 33007812 PMCID: PMC7601284 DOI: 10.3390/nano10101947] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/20/2020] [Accepted: 09/21/2020] [Indexed: 12/14/2022]
Abstract
Hydrogen is widely regarded as a prime energy carrier for bridging the gap between renewable energy supply and demand. As the energy-generating component of the hydrogen cycle, affordable and reliable fuel cells are of key importance to the growth of the hydrogen economy. However, the use of scarce and costly Pt as an electrocatalyst for the oxygen reduction reaction (ORR) remains an issue to be addressed, and in this regard, metal-organic frameworks (MOFs) are viewed as promising non-noble alternatives because of their self-assembly capability and tunable properties. Herein, recent (2018-2020) works on MOF-based electrocatalysts containing N-doped C, Mn, Fe, Co, multiple metals, and multiple sites are reviewed and summarized with a focus on ORR activity, and the principal physicochemical properties and electrochemical performance of these catalysts realized using rotating electrodes are compared.
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Affiliation(s)
- Nicolas Delaporte
- Hydro-Québec, Center of Excellence in Transportation Electrification and Energy Storage, Varennes, QC J0L 1N0, Canada;
| | - Etienne Rivard
- Hydro-Québec, Center of Excellence in Transportation Electrification and Energy Storage, Varennes, QC J0L 1N0, Canada;
| | - Sadesh K. Natarajan
- Université du Québec à Trois-Rivières (UQTR), Hydrogen Research Institute, Trois-Rivières, QC G9A 5H7, Canada; (S.K.N.); (P.B.)
| | - Pierre Benard
- Université du Québec à Trois-Rivières (UQTR), Hydrogen Research Institute, Trois-Rivières, QC G9A 5H7, Canada; (S.K.N.); (P.B.)
| | - Michel L. Trudeau
- Hydro-Québec, Center of Excellence in Transportation Electrification and Energy Storage, Varennes, QC J0L 1N0, Canada;
| | - Karim Zaghib
- Department of Materials Engineering, McGill University, 3610 University, Room 2140, Montreal, QC H3A 0C5, Canada;
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18
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Liu J, Ma R, Chu Y, Gao N, Jin Z, Ge J, Liu C, Xing W. Construction and Regulation of a Surface Protophilic Environment to Enhance Oxygen Reduction Reaction Electrocatalytic Activity. ACS APPLIED MATERIALS & INTERFACES 2020; 12:41269-41276. [PMID: 32805853 DOI: 10.1021/acsami.0c10155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Pyrolytic transition metal nitrogen-carbon (M-N/C) materials are considered as the most promising alternatives for platinum-based catalysts toward oxygen reduction reaction (ORR). As the proton-coupled electron transfer step in ORR has been proven to be a rate-determining step in the M-N/C catalysts, we envisaged that building a protophilic surface might be helpful to enhance the ORR activity. Herein, a polyaniline decoration strategy was put forward and realized to confer the Fe-N/C catalyst with a surface protophilic environment. A 20 mV positive shift in half-wave potential was observed owing to the enriched interfacial proton concentration, corresponding to a tripled turnover frequency under acidic conditions (from 0.46 to 1.28 e·s-1·sites-1). Our work blazed a new path toward the design of M-N/C ORR catalysts, commencing via the ORR kinetics.
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Affiliation(s)
- Jie Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
- Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun 130022, China
| | - Rongpeng Ma
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
- Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun 130022, China
| | - Yuyi Chu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
- Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun 130022, China
| | - Nanxing Gao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
- Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun 130022, China
| | - Zhao Jin
- Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun 130022, China
| | - Junjie Ge
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
- Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun 130022, China
| | - Changpeng Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
- Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun 130022, China
| | - Wei Xing
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
- Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun 130022, China
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19
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Kobina Sam D, Kobina Sam E, Lv X. Application of Biomass‐Derived Nitrogen‐Doped Carbon Aerogels in Electrocatalysis and Supercapacitors. ChemElectroChem 2020. [DOI: 10.1002/celc.202000829] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Daniel Kobina Sam
- School of Chemistry and Chemical Engineering Jiangsu University Zhenjiang 212013 PR China
| | - Ebenezer Kobina Sam
- School of Chemistry and Chemical Engineering Jiangsu University Zhenjiang 212013 PR China
| | - Xiaomeng Lv
- School of Chemistry and Chemical Engineering Jiangsu University Zhenjiang 212013 PR China
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20
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N, P-co doped carbon nanotubes coupled with Co2P nanoparticles as bifunctional oxygen electrocatalyst. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114327] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Wang Y, Zhang G, Ma M, Wang Y, Zhang Y, Sun X, Yan Z. Sacrificial carbon nitride-templated hollow FeCo-NC material for highly efficient oxygen reduction reaction and Al-air battery. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136066] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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22
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Liang K, Wang L, Xu Y, Fang Y, Fang Y, Xia W, Liu YN. Carbon dots self-decorated heteroatom-doped porous carbon with superior electrocatalytic activity for oxygen reduction. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.135666] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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23
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Yu P, Liu S, Cui Y, Sun K, Zhang L, Guo H, Chai Y, Liu C, Fan L, Yang G, Wang C, Mintova S. Transformation of hollow ZnFe-ZIF-8 nanocrystals into hollow ZnFe–N/C electrocatalysts for the oxygen reduction reaction. NEW J CHEM 2020. [DOI: 10.1039/d0nj04101g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A novel approach for the preparation of a highly active hollow ZnFe–N/C electrocatalyst for the ORR in an alkaline electrolyte was reported.
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24
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Yang B, Chen Y, Shi J. Nanocatalytic Medicine. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1901778. [PMID: 31328844 DOI: 10.1002/adma.201901778] [Citation(s) in RCA: 317] [Impact Index Per Article: 63.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 04/16/2019] [Indexed: 05/24/2023]
Abstract
Catalysis and medicine are often considered as two independent research fields with their own respective scientific phenomena. Promoted by recent advances in nanochemistry, large numbers of nanocatalysts, such as nanozymes, photocatalysts, and electrocatalysts, have been applied in vivo to initiate catalytic reactions and modulate biological microenvironments for generating therapeutic effects. The rapid growth of research in biomedical applications of nanocatalysts has led to the concept of "nanocatalytic medicine," which is expected to promote the further advance of such a subdiscipline in nanomedicine. The high efficiency and selectivity of catalysis that chemists strived to achieve in the past century can be ingeniously translated into high efficacy and mitigated side effects in theranostics by using "nanocatalytic medicine" to steer catalytic reactions for optimized therapeutic outcomes. Here, the rationale behind the construction of nanocatalytic medicine is eludicated based on the essential reaction factors of catalytic reactions (catalysts, energy input, and reactant). Recent advances in this burgeoning field are then comprehensively presented and the mechanisms by which catalytic nanosystems are conferred with theranostic functions are discussed in detail. It is believed that such an emerging catalytic therapeutic modality will play a more important role in the field of nanomedicine.
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Affiliation(s)
- Bowen Yang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yu Chen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
| | - Jianlin Shi
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
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25
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Bai S, Zhang X, Yu Y, Li J, Yang Y, Wei H, Chu H. Fabricating Nitrogen‐Rich Fe−N/C Electrocatalysts through CeO
2
‐Assisted Pyrolysis for Enhanced Oxygen Reduction Reaction. ChemElectroChem 2019. [DOI: 10.1002/celc.201901167] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Suohong Bai
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Xueqiong Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Ying Yu
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Jiefei Li
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Yang Yang
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Hang Wei
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
| | - Haibin Chu
- College of Chemistry and Chemical Engineering, Inner Mongolia Engineering and Technology Research Center for Catalytic Conversion and Utilization of Carbon Resource MoleculesInner Mongolia University Hohhot 010021 P.R. China
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