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Shah SSA, Najam T, Bashir MS, Javed MS, Rahman AU, Luque R, Bao SJ. Identification of Catalytic Active Sites for Durable Proton Exchange Membrane Fuel Cell: Catalytic Degradation and Poisoning Perspectives. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106279. [PMID: 35338585 DOI: 10.1002/smll.202106279] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/31/2021] [Indexed: 06/14/2023]
Abstract
Recent progress in synthetic strategies, analysis techniques, and computational modeling assist researchers to develop more active catalysts including metallic clusters to single-atom active sites (SACs). Metal coordinated N-doped carbons (M-N-C) are the most auspicious, with a large number of atomic sites, markedly performing for a series of electrochemical reactions. This perspective sums up the latest innovative and computational comprehension, while giving credit to earlier/pioneering work in carbonaceous assembly materials towards robust electrocatalytic activity for proton exchange membrane fuel cells via inclusive performance assessment of the oxygen reduction reaction (ORR). M-Nx -Cy are exclusively defined active sites for ORR, so there is a unique possibility to intellectually design the relatively new catalysts with much improved activity, selectivity, and durability. Moreover, some SACs structures provide better performance in fuel cells testing with long-term durability. The efforts to understand the connection in SACs based M-Nx -Cy moieties and how these relate to catalytic ORR performance are also conveyed. Owing to comprehensive practical application in the field, this study has covered very encouraging aspects to the current durability status of M-N-C based catalysts for fuel cells followed by degradation mechanisms such as macro-, microdegradation, catalytic poisoning, and future challenges.
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Affiliation(s)
- Syed Shoaib Ahmad Shah
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Materials and Energy, Southwest University, Chongqing, 400715, P. R. China
| | - Tayyaba Najam
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Muhammad Sohail Bashir
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Muhammad Sufyan Javed
- School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Aziz-Ur Rahman
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Rafael Luque
- Departamento de Química Orgánica Universidad de Córdoba, Edificio Marie Curie (C-3), Campus de Rabanales, Ctra. Nnal. IV-A, Km 396, Cordoba, E14014, Spain
- Peoples Friendship University of Russia (RUDN University), 6 Miklukho Maklaya str, Moscow, 117198, Russian Federation
| | - Shu-Juan Bao
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Materials and Energy, Southwest University, Chongqing, 400715, P. R. China
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Yang J, Li W, Wang D, Li Y. Electronic Metal-Support Interaction of Single-Atom Catalysts and Applications in Electrocatalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2003300. [PMID: 33125802 DOI: 10.1002/adma.202003300] [Citation(s) in RCA: 211] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/08/2020] [Indexed: 05/03/2023]
Abstract
The electronic metal-support interaction (EMSI), which acts as a bridge between theoretical electronic study and the design of heterogenous catalysts, has attracted much attention. Utilizing the interaction between the metal and the support is one of the most essential strategies to enhance electrocatalytic efficiency due to structural and synergetic promotion. To date, as the ideal model for realizing EMSI, many types of single-atom catalysts (SACs) have been developed. The understanding of the electronic interaction on SACs has also been pushed to a higher level. However, systematic theories and operando experiments are seldom reported, and will be necessary to put forward and be carried out, respectively. Herein, the types, characterization, mechanism, and electrocatalytic applications of EMSI are comprehensively summarized and discussed. In addition to the basic information above, the challenges, opportunities, and future development of the EMSI on SACs are also proposed to present an overall view and reference to the later research.
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Affiliation(s)
- Jiarui Yang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Wenhao Li
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Dingsheng Wang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yadong Li
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
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3
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Holby EF, Wang G, Zelenay P. Acid Stability and Demetalation of PGM-Free ORR Electrocatalyst Structures from Density Functional Theory: A Model for “Single-Atom Catalyst” Dissolution. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02856] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Edward F. Holby
- Sigma Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Guofeng Wang
- Department of Mechanical Engineering & Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Piotr Zelenay
- Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
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Luo F, Wagner S, Onishi I, Selve S, Li S, Ju W, Wang H, Steinberg J, Thomas A, Kramm UI, Strasser P. Surface site density and utilization of platinum group metal (PGM)-free Fe-NC and FeNi-NC electrocatalysts for the oxygen reduction reaction. Chem Sci 2020; 12:384-396. [PMID: 34168745 PMCID: PMC8179675 DOI: 10.1039/d0sc03280h] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 10/13/2020] [Indexed: 01/19/2023] Open
Abstract
Pyrolyzed iron-based platinum group metal (PGM)-free nitrogen-doped single site carbon catalysts (Fe-NC) are possible alternatives to platinum-based carbon catalysts for the oxygen reduction reaction (ORR). Bimetallic PGM-free M1M2-NC catalysts and their active sites, however, have been poorly studied to date. The present study explores the active accessible sites of mono- and bimetallic Fe-NC and FeNi-NC catalysts. Combining CO cryo chemisorption, X-ray absorption and 57Fe Mössbauer spectroscopy, we evaluate the number and chemical state of metal sites at the surface of the catalysts along with an estimate of their dispersion and utilization. Fe L3,2-edge X-ray adsorption spectra, Mössbauer spectra and CO desorption all suggested an essentially identical nature of Fe sites in both monometallic Fe-NC and bimetallic FeNi-NC; however, Ni blocks the formation of active sites during the pyrolysis and thus causes a sharp reduction in the accessible metal site density, while with only a minor direct participation as a catalytic site in the final catalyst. We also use the site density utilization factor, ϕ SDsurface/bulk , as a measure of the metal site dispersion in PGM-free ORR catalysts. ϕ SDsurface/bulk enables a quantitative evaluation and comparison of distinct catalyst synthesis routes in terms of their ratio of accessible metal sites. It gives guidance for further optimization of the accessible site density of M-NC catalysts.
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Affiliation(s)
- Fang Luo
- The Electrochemical Catalysis, Energy and Materials Science Laboratory, Department of Chemistry, Technische Universität Berlin Straße des 17. 10623 Berlin Germany
| | - Stephan Wagner
- Department of Chemistry and Department of Materials and Earth Sciences, Catalysts and Electrocatalysts Group, Technical University of Darmstadt Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | | | - Sören Selve
- Technische Universität Berlin, Center for Electron Microscopy (ZELMI) Straße des 17. Juni 135 10623 Berlin Germany
| | - Shuang Li
- Functional Materials, Department of Chemistry, Technical Universität Berlin Hardenbergstr. 40 Berlin 10623 Germany
| | - Wen Ju
- The Electrochemical Catalysis, Energy and Materials Science Laboratory, Department of Chemistry, Technische Universität Berlin Straße des 17. 10623 Berlin Germany
| | - Huan Wang
- The Electrochemical Catalysis, Energy and Materials Science Laboratory, Department of Chemistry, Technische Universität Berlin Straße des 17. 10623 Berlin Germany
| | - Julian Steinberg
- The Electrochemical Catalysis, Energy and Materials Science Laboratory, Department of Chemistry, Technische Universität Berlin Straße des 17. 10623 Berlin Germany
| | - Arne Thomas
- Functional Materials, Department of Chemistry, Technical Universität Berlin Hardenbergstr. 40 Berlin 10623 Germany
| | - Ulrike I Kramm
- Department of Chemistry and Department of Materials and Earth Sciences, Catalysts and Electrocatalysts Group, Technical University of Darmstadt Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Peter Strasser
- The Electrochemical Catalysis, Energy and Materials Science Laboratory, Department of Chemistry, Technische Universität Berlin Straße des 17. 10623 Berlin Germany
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Amin A, El-dissouky A. One-step synthesis of novel Cu2ZnNiO3 complex oxide nanowires with tuned band gap for photoelectrochemical water splitting. J Appl Crystallogr 2020. [DOI: 10.1107/s1600576720012200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Although alloying and nanostructuring offer a great opportunity for enhancing photoelectrochemical behavior and band gap tuning, these methods have not been investigated extensively. This article reports the synthesis of Cu2ZnNiO3 complex oxide nanowires (∼200 nm) grown on German silver alloy via a one-step optimized hydrothermal route and their utilization to split water photoelectrochemically. Surface characterizations were used to elucidate the formation mechanism of the Cu2ZnNiO3 complex oxide nanowires. The nanowires exhibited an exceptional visible light absorption extending from 400 to 1400 nm wavelengths with a tuned band gap of ∼2.88 eV calculated from the corresponding Tauc plot. In tests to split water photoelectrochemically, the nanowires generated a significant photocurrent of up to −2.5 mA cm−2 at −0.8 V versus Ag/AgCl and exhibited an exceptional photostability which exceeded 2 h under light-off conditions with no photocurrent decay. Band edge positions related to water redox potentials were estimated via Mott–Schottky and diffuse reflectance spectroscopy analysis with the density of charge carriers reaching as high as 5.15 × 1018 cm−3. Moreover, the nanowires generated ∼1100 µmol of H2 in 5 h. These photoelectrochemical results are much higher than the reported values for similar structures of copper oxide, zinc oxide and nickel oxide separately under the same conditions, which can be attributed to the advantages of Cu, Zn and Ni oxides (such as visible light absorption, photostability, and efficient charge carrier generation and transport) being combined in one single material. These promising results make German silver a robust material toward photoelectrochemical water splitting.
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Zhu W, Pei Y, Liu Y, Zhang J, Qin Y, Yin Y, Guiver MD. Mass Transfer in a Co/N/C Catalyst Layer for the Anion Exchange Membrane Fuel Cell. ACS APPLIED MATERIALS & INTERFACES 2020; 12:32842-32850. [PMID: 32589022 DOI: 10.1021/acsami.0c08829] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Developing highly efficient non-noble metal catalysts for the cathode of fuel cells is an urgent requirement for reducing the cost. Although the intrinsic activity of non-noble metal materials has been greatly improved, the fuel cell performance is also determined by the mass transfer within the catalyst layer (CL), particularly at high current density. Electrochemical impedance spectroscopy (EIS) combined with rotating disk electrode (RDE) analysis is a powerful tool to quantitatively analyze the influence of the structural properties on CL performance. Here, Co/N/C CLs with gradient pore structures are constructed based on the controllable synthesis of zeolitic imidazolate framework (ZIF)-derived catalyst. The influences of the carbon support, active site, and catalyst loading are comprehensively studied by EIS in different regions (kinetic and mixed-diffusion). The results indicate that a high micro-/mesopore ratio is beneficial to increasing the density of active sites while reducing the mass-transfer efficiency. Inversely, abundant mesopores promote mass transfer, but they result in low active site density. By carefully adjusting the pore structure and chemical composition of the ZIF-derived catalyst, the Co/N/C CL shows a low mass-transfer resistance (95.5 Ω at 0.75 V vs RHE). This work demonstrates the importance of mass transfer within the fuel cell CL, beyond seeking only high activity.
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Affiliation(s)
- Weikang Zhu
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Yabiao Pei
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Yang Liu
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Junfeng Zhang
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Yanzhou Qin
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Yan Yin
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
| | - Michael D Guiver
- State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin 300072, People's Republic of China
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7
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Applications of carbon nanotubes and graphene for third-generation solar cells and fuel cells. NANO MATERIALS SCIENCE 2019. [DOI: 10.1016/j.nanoms.2019.03.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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8
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Wang X, Liu Y, Wang Y, Ren R, Chen H, Jiang Z, He Q. Electrochemical and Spectroscopic Study of Homo- and Hetero-Dimetallic Phthalocyanines as Catalysts for the Oxygen Reduction Reaction in Acidic Media. ChemElectroChem 2018. [DOI: 10.1002/celc.201800977] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaojiang Wang
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology College of Chemical and Biological Engineering; Zhejiang University Hangzhou; Zhejiang 310027 China
| | - Yang Liu
- Shanghai Synchrotron Radiation Facility Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai 201204 China
| | - Ying Wang
- Division of Theoretical Chemistry &Biology; School of Biotechnology KTH Royal Institute of Technology; Stockholm 10691 Sweden
| | - Rong Ren
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology College of Chemical and Biological Engineering; Zhejiang University Hangzhou; Zhejiang 310027 China
| | - Hengquan Chen
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology College of Chemical and Biological Engineering; Zhejiang University Hangzhou; Zhejiang 310027 China
| | - Zheng Jiang
- Shanghai Synchrotron Radiation Facility Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai 201204 China
| | - Qinggang He
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology College of Chemical and Biological Engineering; Zhejiang University Hangzhou; Zhejiang 310027 China
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9
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Shahraei A, Martinaiou I, Creutz KA, Kübler M, Weidler N, Ranecky ST, Wallace WDZ, Nowroozi MA, Clemens O, Stark RW, Kramm UI. Exploring Active Sites in Multi-Heteroatom-Doped Co-Based Catalysts for Hydrogen Evolution Reactions. Chemistry 2018; 24:12480-12484. [DOI: 10.1002/chem.201802684] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Ali Shahraei
- TU Darmstadt; Graduate School of Excellence Energy Science and Engineering; Otto-Berndt-Str. 3 64287 Darmstadt Germany
- TU Darmstadt; Department of Chemistry; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Ioanna Martinaiou
- TU Darmstadt; Graduate School of Excellence Energy Science and Engineering; Otto-Berndt-Str. 3 64287 Darmstadt Germany
- TU Darmstadt; Department of Material and Earth Sciences; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - K. Alexander Creutz
- TU Darmstadt; Department of Material and Earth Sciences; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Markus Kübler
- TU Darmstadt; Department of Chemistry; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Natascha Weidler
- TU Darmstadt; Department of Material and Earth Sciences; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Simon T. Ranecky
- TU Darmstadt; Department of Material and Earth Sciences; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - W. David Z. Wallace
- TU Darmstadt; Department of Chemistry; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Mohammad Ali Nowroozi
- TU Darmstadt; Department of Material and Earth Sciences; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Oliver Clemens
- TU Darmstadt; Department of Material and Earth Sciences; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Robert W. Stark
- TU Darmstadt; Department of Material and Earth Sciences; Otto-Berndt-Str. 3 64287 Darmstadt Germany
| | - Ulrike I. Kramm
- TU Darmstadt; Graduate School of Excellence Energy Science and Engineering; Otto-Berndt-Str. 3 64287 Darmstadt Germany
- TU Darmstadt; Department of Chemistry; Otto-Berndt-Str. 3 64287 Darmstadt Germany
- TU Darmstadt; Department of Material and Earth Sciences; Otto-Berndt-Str. 3 64287 Darmstadt Germany
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10
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Osmieri L, Escudero-Cid R, Armandi M, Ocón P, Monteverde Videla AH, Specchia S. Effects of using two transition metals in the synthesis of non-noble electrocatalysts for oxygen reduction reaction in direct methanol fuel cell. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.02.036] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Zitolo A, Ranjbar-Sahraie N, Mineva T, Li J, Jia Q, Stamatin S, Harrington GF, Lyth SM, Krtil P, Mukerjee S, Fonda E, Jaouen F. Identification of catalytic sites in cobalt-nitrogen-carbon materials for the oxygen reduction reaction. Nat Commun 2017; 8:957. [PMID: 29038426 PMCID: PMC5715157 DOI: 10.1038/s41467-017-01100-7] [Citation(s) in RCA: 236] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 08/17/2017] [Indexed: 11/09/2022] Open
Abstract
Single-atom catalysts with full utilization of metal centers can bridge the gap between molecular and solid-state catalysis. Metal-nitrogen-carbon materials prepared via pyrolysis are promising single-atom catalysts but often also comprise metallic particles. Here, we pyrolytically synthesize a Co-N-C material only comprising atomically dispersed cobalt ions and identify with X-ray absorption spectroscopy, magnetic susceptibility measurements and density functional theory the structure and electronic state of three porphyrinic moieties, CoN4C12, CoN3C10,porp and CoN2C5. The O2 electro-reduction and operando X-ray absorption response are measured in acidic medium on Co-N-C and compared to those of a Fe-N-C catalyst prepared similarly. We show that cobalt moieties are unmodified from 0.0 to 1.0 V versus a reversible hydrogen electrode, while Fe-based moieties experience structural and electronic-state changes. On the basis of density functional theory analysis and established relationships between redox potential and O2-adsorption strength, we conclude that cobalt-based moieties bind O2 too weakly for efficient O2 reduction.Nitrogen-doped carbon materials with atomically dispersed iron or cobalt are promising for catalytic use. Here, the authors show that cobalt moieties have a higher redox potential, bind oxygen more weakly and are less active toward oxygen reduction than their iron counterpart, despite similar coordination.
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Affiliation(s)
- Andrea Zitolo
- Synchrotron SOLEIL, L'orme des Merisiers, BP 48 Saint Aubin, 91192, Gif-sur-Yvette, France.
| | - Nastaran Ranjbar-Sahraie
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, Place Eugène Bataillon, 34095, Montpellier, cedex 5, France
| | - Tzonka Mineva
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, Place Eugène Bataillon, 34095, Montpellier, cedex 5, France
| | - Jingkun Li
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA, 02115, USA
| | - Qingying Jia
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA, 02115, USA
| | - Serban Stamatin
- J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Prague, 18223, Czech Republic
| | - George F Harrington
- Center for Co-Evolutional Social Systems, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.,Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Stephen Mathew Lyth
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.,Energy2050, Department of Mechanical Engineering, University of Sheffield, The Arts Tower, Sheffield, S10 2TN, UK
| | - Petr Krtil
- J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Prague, 18223, Czech Republic
| | - Sanjeev Mukerjee
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA, 02115, USA
| | - Emiliano Fonda
- Synchrotron SOLEIL, L'orme des Merisiers, BP 48 Saint Aubin, 91192, Gif-sur-Yvette, France
| | - Frédéric Jaouen
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, Place Eugène Bataillon, 34095, Montpellier, cedex 5, France.
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12
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Sa YJ, Kim JH, Joo SH. Recent Progress in the Identification of Active Sites in Pyrolyzed Fe−N/C Catalysts and Insights into Their Role in Oxygen Reduction Reaction. J ELECTROCHEM SCI TE 2017. [DOI: 10.33961/jecst.2017.8.3.169] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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13
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Shahraei A, Moradabadi A, Martinaiou I, Lauterbach S, Klemenz S, Dolique S, Kleebe HJ, Kaghazchi P, Kramm UI. Elucidating the Origin of Hydrogen Evolution Reaction Activity in Mono- and Bimetallic Metal- and Nitrogen-Doped Carbon Catalysts (Me-N-C). ACS APPLIED MATERIALS & INTERFACES 2017; 9:25184-25193. [PMID: 28653526 DOI: 10.1021/acsami.7b01647] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In this work, we present a comprehensive study on the role of metal species in MOF-based Me-N-C (mono- and bimetallic) catalysts for the hydrogen evolution reaction (HER). The catalysts are investigated with respect to HER activity and stability in alkaline electrolyte. On the basis of the structural analysis by X-ray diffraction, X-ray-induced photoelectron spectroscopy, and transmission electron microscopy, it is concluded that MeN4 sites seem to dominate the HER activity of these catalysts. There is a strong relation between the amount of MeN4 sites that are formed and the energy of formation related to these sites integrated at the edge of a graphene layer, as obtained from density functional theory (DFT) calculations. Our results show, for the first time, that the combination of two metals (Co and Mo) in a bimetallic (Co,Mo)-N-C catalyst allows hydrogen production with a significantly improved overpotential in comparison to its monometallic counterparts and other Me-N-C catalysts. By the combination of experimental results with DFT calculations, we show that the origin of the enhanced performance of our (Co,Mo)-N-C catalyst seems to be provided by an improved hydrogen binding energy on one MeN4 site because of the presence of a second MeN4 site in its close vicinity, as investigated in detail for our most active (Co,Mo)-N-C catalyst. The outstanding stability and good activity make especially the bimetallic Me-N-C catalysts interesting candidates for solar fuel applications.
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Affiliation(s)
| | - Ashkan Moradabadi
- Department of Chemistry and Biochemistry, Freie Universität Berlin , Taku Straße 3, 14195 Berlin, Germany
| | | | - Stefan Lauterbach
- Department of Materials and Earth Science, Institute of Applied Geosciences, Department of Geometrical Science, TU Darmstadt , Schnittspahn Straße 9, 64287 Darmstadt, Germany
| | - Sebastian Klemenz
- Eduard-Zintl-Institute for Physical and Inorganic Chemistry, TU Darmstadt , Alarich-Weiss-Straße 12, 64287 Darmstadt, Germany
| | - Stephanie Dolique
- Eduard-Zintl-Institute for Physical and Inorganic Chemistry, TU Darmstadt , Alarich-Weiss-Straße 12, 64287 Darmstadt, Germany
| | - Hans-Joachim Kleebe
- Department of Materials and Earth Science, Institute of Applied Geosciences, Department of Geometrical Science, TU Darmstadt , Schnittspahn Straße 9, 64287 Darmstadt, Germany
| | - Payam Kaghazchi
- Department of Chemistry and Biochemistry, Freie Universität Berlin , Taku Straße 3, 14195 Berlin, Germany
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Martinaiou I, Shahraei A, Grimm F, Zhang H, Wittich C, Klemenz S, Dolique SJ, Kleebe HJ, Stark RW, Kramm UI. Effect of metal species on the stability of Me-N-C catalysts during accelerated stress tests mimicking the start-up and shut-down conditions. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.04.134] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Kato M, Murotani T, Yagi I. Bioinspired Iron- and Copper-incorporated Carbon Electrocatalysts for Oxygen Reduction Reaction. CHEM LETT 2016. [DOI: 10.1246/cl.160573] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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16
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Sougrati MT, Goellner V, Schuppert AK, Stievano L, Jaouen F. Probing active sites in iron-based catalysts for oxygen electro-reduction: A temperature-dependent 57 Fe Mössbauer spectroscopy study. Catal Today 2016. [DOI: 10.1016/j.cattod.2015.10.017] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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On the structural composition and stability of Fe–N–C catalysts prepared by an intermediate acid leaching. J Solid State Electrochem 2015. [DOI: 10.1007/s10008-015-3060-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Quantifying the density and utilization of active sites in non-precious metal oxygen electroreduction catalysts. Nat Commun 2015; 6:8618. [PMID: 26486465 PMCID: PMC4639811 DOI: 10.1038/ncomms9618] [Citation(s) in RCA: 232] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Accepted: 09/12/2015] [Indexed: 12/22/2022] Open
Abstract
Carbon materials doped with transition metal and nitrogen are highly active, non-precious metal catalysts for the electrochemical conversion of molecular oxygen in fuel cells, metal air batteries, and electrolytic processes. However, accurate measurement of their intrinsic turn-over frequency and active-site density based on metal centres in bulk and surface has remained difficult to date, which has hampered a more rational catalyst design. Here we report a successful quantification of bulk and surface-based active-site density and associated turn-over frequency values of mono- and bimetallic Fe/N-doped carbons using a combination of chemisorption, desorption and 57Fe Mössbauer spectroscopy techniques. Our general approach yields an experimental descriptor for the intrinsic activity and the active-site utilization, aiding in the catalyst development process and enabling a previously unachieved level of understanding of reactivity trends owing to a deconvolution of site density and intrinsic activity. Iron and nitrogen doped carbon materials are widely studied electrocatalysts, however measurement of features such as intrinsic turn-over frequency and active site utilization has proved difficult. Here, the authors use a combination of chemisorption and spectroscopy techniques to determine these properties.
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Zitolo A, Goellner V, Armel V, Sougrati MT, Mineva T, Stievano L, Fonda E, Jaouen F. Identification of catalytic sites for oxygen reduction in iron- and nitrogen-doped graphene materials. NATURE MATERIALS 2015; 14:937-42. [PMID: 26259106 DOI: 10.1038/nmat4367] [Citation(s) in RCA: 910] [Impact Index Per Article: 101.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 06/05/2015] [Indexed: 05/22/2023]
Abstract
While platinum has hitherto been the element of choice for catalysing oxygen electroreduction in acidic polymer fuel cells, tremendous progress has been reported for pyrolysed Fe-N-C materials. However, the structure of their active sites has remained elusive, delaying further advance. Here, we synthesized Fe-N-C materials quasi-free of crystallographic iron structures after argon or ammonia pyrolysis. These materials exhibit nearly identical Mössbauer spectra and identical X-ray absorption near-edge spectroscopy (XANES) spectra, revealing the same Fe-centred moieties. However, the much higher activity and basicity of NH3-pyrolysed Fe-N-C materials demonstrates that the turnover frequency of Fe-centred moieties depends on the physico-chemical properties of the support. Following a thorough XANES analysis, the detailed structures of two FeN4 porphyrinic architectures with different O2 adsorption modes were then identified. These porphyrinic moieties are not easily integrated in graphene sheets, in contrast with Fe-centred moieties assumed hitherto for pyrolysed Fe-N-C materials. These new insights open the path to bottom-up synthesis approaches and studies on site-support interactions.
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Affiliation(s)
- Andrea Zitolo
- Synchrotron SOLEIL, L'orme des Merisiers, BP 48 Saint Aubin, 91192 Gif-sur-Yvette, France
| | - Vincent Goellner
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, 34095 Montpellier, France
| | - Vanessa Armel
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, 34095 Montpellier, France
| | - Moulay-Tahar Sougrati
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, 34095 Montpellier, France
| | - Tzonka Mineva
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, 34095 Montpellier, France
| | - Lorenzo Stievano
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, 34095 Montpellier, France
| | - Emiliano Fonda
- Synchrotron SOLEIL, L'orme des Merisiers, BP 48 Saint Aubin, 91192 Gif-sur-Yvette, France
| | - Frédéric Jaouen
- Institut Charles Gerhardt Montpellier, UMR 5253, CNRS, Université Montpellier, 34095 Montpellier, France
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Masa J, Xia W, Muhler M, Schuhmann W. On the Role of Metals in Nitrogen-Doped Carbon Electrocatalysts for Oxygen Reduction. Angew Chem Int Ed Engl 2015; 54:10102-20. [DOI: 10.1002/anie.201500569] [Citation(s) in RCA: 524] [Impact Index Per Article: 58.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Indexed: 01/30/2023]
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Masa J, Xia W, Muhler M, Schuhmann W. Über die Rolle von Metallen in Elektrokatalysatoren auf Basis von stickstoffdotiertem Kohlenstoff für die Sauerstoffreduktion. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201500569] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Activity of N-coordinated multi-metal-atom active site structures for Pt-free oxygen reduction reaction catalysis: role of *OH ligands. Sci Rep 2015; 5:9286. [PMID: 25788358 PMCID: PMC4365393 DOI: 10.1038/srep09286] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 02/12/2015] [Indexed: 01/08/2023] Open
Abstract
We report calculated oxygen reduction reaction energy pathways on multi-metal-atom structures that have previously been shown to be thermodynamically favorable. We predict that such sites have the ability to spontaneously cleave the O2 bond and then will proceed to over-bind reaction intermediates. In particular, the *OH bound state has lower energy than the final 2 H2O state at positive potentials. Contrary to traditional surface catalysts, this *OH binding does not poison the multi-metal-atom site but acts as a modifying ligand that will spontaneously form in aqueous environments leading to new active sites that have higher catalytic activities. These *OH bound structures have the highest calculated activity to date.
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Electrochemical, spectroscopic and morphological characterization of electrostatic self-assembled hybrids of tetracationic phosphonium porphyrins and CdTe quantum dots. J APPL ELECTROCHEM 2014. [DOI: 10.1007/s10800-014-0741-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Liu M, Zhang R, Chen W. Graphene-supported nanoelectrocatalysts for fuel cells: synthesis, properties, and applications. Chem Rev 2014; 114:5117-60. [PMID: 24666160 DOI: 10.1021/cr400523y] [Citation(s) in RCA: 807] [Impact Index Per Article: 80.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Minmin Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, Jilin, China
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Larouche N, Chenitz R, Lefèvre M, Proietti E, Dodelet JP. Activity and stability in proton exchange membrane fuel cells of iron-based cathode catalysts synthesized with addition of carbon fibers. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.10.102] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Wang ZL, Xu D, Xu JJ, Zhang XB. Oxygen electrocatalysts in metal–air batteries: from aqueous to nonaqueous electrolytes. Chem Soc Rev 2014; 43:7746-86. [DOI: 10.1039/c3cs60248f] [Citation(s) in RCA: 1110] [Impact Index Per Article: 111.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Kumar A, Singh RK, Singh HK, Srivastava P, Singh R. Impact ofp-toluenesulfonate on polypyrrole-cobalt catalyst for oxygen reduction reaction. J Appl Polym Sci 2013. [DOI: 10.1002/app.39467] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Rajiv K. Singh
- National Physical Laboratory, Council of Scientific and Industrial Research; Dr. K. S. Krishnan Marg; New Delhi; 110012; India
| | - Hari K. Singh
- National Physical Laboratory, Council of Scientific and Industrial Research; Dr. K. S. Krishnan Marg; New Delhi; 110012; India
| | - Pankaj Srivastava
- Department of Chemistry; Banaras Hindu University; Varanasi; 221005; India
| | - Ramadhar Singh
- National Physical Laboratory, Council of Scientific and Industrial Research; Dr. K. S. Krishnan Marg; New Delhi; 110012; India
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Tokarz W, Lota G, Frackowiak E, Czerwiński A, Piela P. Fuel cell testing of Pt–Ru catalysts supported on differently prepared and pretreated carbon nanotubes. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.03.047] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Higgins D, Chen Z. Recent Development of Non-precious Metal Catalysts. LECTURE NOTES IN ENERGY 2013. [DOI: 10.1007/978-1-4471-4911-8_9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Mani A, Birss V. Dependence of the oxygen reduction reaction at sol–gel derived Co-based catalysts on acidic solution pH and temperature. J Electroanal Chem (Lausanne) 2012. [DOI: 10.1016/j.jelechem.2012.09.041] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Lü A, Fang Y, Zhu M, Huang S, Ou Z, Kadish KM. Dioxygen reduction catalyzed by substituted iron tetraphenylporphyrins in acidic media. J PORPHYR PHTHALOCYA 2012. [DOI: 10.1142/s1088424612500356] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Five iron tetraphenylporphyrins including the (TPP)FeCl and its derivatives which contain electron-withdrawing or electron-donating substituents on the meso-phenyl rings of the porphyrin macrocycle were examined as catalysts for the electoreduction of dioxygen in 1.0 M HClO4. The investigated compounds are represented as ( T p RPP ) FeCl , where T p RPP is the dianion of the para-substituted tetraphenylporphyrin and R = NEt2, OMe , H , Br or CF3. Cyclic voltammetry and linear sweep voltammetry at a rotating disk electrode (RDE) or a rotating ring disk electrode (RRDE) were utilized to examine the catalytic activity of the compounds. The number of electrons transferred and the percentage of H2O2produced as the product of O2electroreduction were calculated. The investigated iron porphyrins containing electron-withdrawing substituents ( R = Br and CF3) were shown to be more efficient catalysts for O2reduction than the compounds having electron-donating groups ( R = NEt2and OMe ) on the four phenyl rings of the porphyrin macrocycle.
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Affiliation(s)
- Aixiang Lü
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
| | - Yuanyuan Fang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
- Department of Chemistry, University of Houston, Houston, TX 77204-5003, USA
| | - Min Zhu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
| | - Shi Huang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
| | - Zhongping Ou
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
| | - Karl M. Kadish
- Department of Chemistry, University of Houston, Houston, TX 77204-5003, USA
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Cheng N, Kemna C, Goubert-Renaudin S, Wieckowski A. Reduction Reaction by Porphyrin-Based Catalysts for Fuel Cells. Electrocatalysis (N Y) 2012. [DOI: 10.1007/s12678-012-0083-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Maruyama J, Baier C, Wolfschmidt H, Bele P, Stimming U. Enhancement of oxygen reduction at Fe tetrapyridyl porphyrin by pyridyl-N coordination to transition metal ions. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2011.12.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Electrochemical synthesis of metal–polypyrrole composites and their activation for electrocatalytic reduction of oxygen by thermal treatment. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2011.11.076] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Charreteur F, Jaouen F, Dodelet JP. Iron porphyrin-based cathode catalysts for PEM fuel cells: Influence of pyrolysis gas on activity and stability. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.06.058] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Electrocatalytic Performances of Carbon Supported Metallophthalocyanine and Pt/Metallophthalocyanine Catalysts Towards Dioxygen Reduction in Acidic Medium. Catal Letters 2009. [DOI: 10.1007/s10562-009-0075-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Koç İ, Özer M, Özkaya AR, Bekaroğlu Ö. Electrocatalytic activity, methanol tolerance and stability of perfluoroalkyl-substituted mononuclear, and ball-type dinuclear cobalt phthalocyanines for oxygen reduction in acidic medium. Dalton Trans 2009:6368-76. [DOI: 10.1039/b905614a] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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