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Roy N, Ahmed MS, Lee HK, Jeon S. Intermetallic Pd-Y nanoparticles/N-doped carbon nanotubes as multi-active catalysts for oxygen reduction reaction, ethanol oxidation reaction, and zinc-air batteries. NANOSCALE 2024; 16:7532-7546. [PMID: 38501222 DOI: 10.1039/d3nr06188d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Intermetallic nanomaterials are unique in terms of their band gap, atomic-level arrangement, and well-defined stoichiometry, which allows them to exhibit significantly enhanced catalytic performance in electrochemical applications. However, the preparation of durable intermetallic catalysts with a lower content of platinum group metals is challenging, while the lack of control over the loss of active components limits their long-term application due to weak interaction between the support and the nanostructure. Here, we have designed the intermetallic alloyed nanoparticles (NPs) of PdY on N-doped carbon nanotubes (PdY/NCNTs) as a multifunctional catalyst for the oxygen reduction reaction (ORR), the ethanol oxidation reaction (EOR), and zinc-air batteries (ZABs). The strong adhesion through nitrogen ensures the anchoring of alloyed PdY NPs on the NCNTs, which restrains atomic migration and sintering during their conversion to intermetallic phases. This study confirms that there is negligible active site leaching owing to the strong and multiple dative bonds between the NCNTs and PdY NPs. Therefore, this catalyst exhibits remarkable catalytic activity, resulting in a mass activity of 1317 and 2902 mA mgPd-1 at jk and jf for the ORR and the EOR, respectively, and remains stable for a longer period. In addition, the PdY/NCNT-containing air cathode-fabricated ZAB achieved a higher power density (0.236 W cm-2) compared to the benchmark Pt/C.
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Affiliation(s)
- Nipa Roy
- Department of Chemistry and Institute of Basic Science, Chonnam National University, Gwangju 500-757, Republic of Korea.
- Department of Physics, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Mohammad Shamsuddin Ahmed
- Institute of Energy Studies, University of North Dakota, Grand Forks, North Dakota, 58202, USA
- Department of Materials Science and Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Hyo Kyoung Lee
- School of Architecture, Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju, 61452, Republic of Korea
| | - Seungwon Jeon
- Department of Chemistry and Institute of Basic Science, Chonnam National University, Gwangju 500-757, Republic of Korea.
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2
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Zeng X, Liao L, Wang M, Wang H. Rare-earth metal-N 6 centers in porous carbon for electrocatalytic CO 2 reduction. Phys Chem Chem Phys 2023. [PMID: 37465923 DOI: 10.1039/d3cp02314a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Single-atom catalysts fabricated using rare earth elements have emerged for electrocatalytic carbon dioxide reduction, but they need to be studied systematically and intensively. Herein, density functional theory was employed to determine the electrocatalytic CO2 reduction activity of rare earth-N6 porous carbon (Re = Ce, Nd, Sm, Eu, Gd, Tb, Er, Tm, Yb, and Lu) single-atom catalysts. The results revealed that the binding energy of the rare-earth atoms to the N6C monolayers in the ten studied Re-N6C monatomic catalysts is much more negative than the cohesion energy of the bulk rare-earth metal, which makes rare-earth atoms stably dispersed in the N6C skeleton. CO is the primary chemical product of electrocatalytic CO2 reduction by Ce, Eu, and Lu. The primary product of the six monatomic species, i.e., Nd, Sm, Tb, Er, Tm, and Yb, is HCOOH. The dominant product of Gd is CH4. The limiting potentials of these catalysts are in the range of 0.31-0.786 V and their overpotentials are in the range of 0.06-0.707 V, all of which are relatively low, showing that they are potential and promising electrocatalysts for CO2 reduction. Subsequently, Eu-N6C was experimentally synthesized and used for electrocatalytic CO2 reduction to obtain CO products, and the overpotential showed good agreement with the theoretically calculated values.
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Affiliation(s)
- Xianshi Zeng
- Institute for Advanced Study, Nanchang University, Nanchang 330031, China.
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
| | - Luliang Liao
- Institute for Advanced Study, Nanchang University, Nanchang 330031, China.
| | - Meishan Wang
- School of Integrated Circuits, Ludong University, Yantai city, 264025, China.
| | - Hongming Wang
- Institute for Advanced Study, Nanchang University, Nanchang 330031, China.
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3
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Wang H, Ren H, Liu S, Deng K, Yu H, Wang X, Xu Y, Wang Z, Wang L. Rare earth Y doping induced lattice strain of mesoporous PtPd nanospheres for alkaline oxygen reduction electrocatalysis. NANOTECHNOLOGY 2022; 34:055401. [PMID: 36240698 DOI: 10.1088/1361-6528/ac9a53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
The synthesis of catalysts with controllable morphology and composition is important to enhance the catalytic performance for oxygen reduction reaction (ORR). Herein, trimetallic PtPdY mesoporous nanospheres (PtPdY MNs) are produced via a one-step chemical reduction method applying F127 as soft temple under acidic condition. The mesoporous structure provides a large contact area and also stimulates the diffusion and mass transfer of reactants and products. Besides, synergistic effect among Pt, Pd and Y elements effectively alters their electronic structure, enhancing the catalytic activity. Therefore, the PtPdY MNs show excellent ORR permanence to Pt/C under the alkaline solution. This study offers an effective channel for the preparation of mesoporous metals with rare earth metal doping towards promising electrocatalytic applications.
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Affiliation(s)
- Hongjing Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Hang Ren
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Songliang Liu
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Kai Deng
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Hongjie Yu
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Xin Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - You Xu
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Ziqiang Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Liang Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
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4
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Deposition of Pt Nanoparticles by Ascorbic Acid on Composite Electrospun Polyacrylonitrile-Based Carbon Nanofiber for HT-PEM Fuel Cell Cathodes. Catalysts 2022. [DOI: 10.3390/catal12080891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The efficient use of renewable energy sources requires development of new electrocatalytic materials for electrochemical energy storage systems, particularly fuel cells. To increase durability of high temperature polymer electrolyte fuel cell (HT-PEMFC), Pt/carbon black based catalysts should be replaced by more durable ones, for example Pt/carbon nanofibers (CNF). Here, we report for the first time the quantitative ascorbic acid assisted deposition of Pt onto electrospun polyacrylonitrile-based CNF composite materials. The effect of their subsequent post-treatment at various temperatures (250 and 500 °C) and media (vacuum or argon-hydrogen mixture) on the Pt/C catalyst morphology is investigated. All obtained samples are thoroughly studied by high resolution electron microscopy, and Pt electrochemically active specific surface area was evaluated by cyclic voltammetry.
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5
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Kluge RM, Psaltis E, Haid RW, Hou S, Schmidt TO, Schneider O, Garlyyev B, Calle-Vallejo F, Bandarenka AS. Revealing the Nature of Active Sites on Pt-Gd and Pt-Pr Alloys during the Oxygen Reduction Reaction. ACS APPLIED MATERIALS & INTERFACES 2022; 14:19604-19613. [PMID: 35442013 DOI: 10.1021/acsami.2c03604] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
For large-scale applications of hydrogen fuel cells, the sluggish kinetics of the oxygen reduction reaction (ORR) have to be overcome. So far, only platinum (Pt)-group catalysts have shown adequate performance and stability. A well-known approach to increase the efficiency and decrease the Pt loading is to alloy Pt with other metals. Still, for catalyst optimization, the nature of the active sites is crucial. In this work, electrochemical scanning tunneling microscopy (EC-STM) is used to probe the ORR active areas on Pt5Gd and Pt5Pr in acidic media under reaction conditions. The technique detects localized fluctuations in the EC-STM signal, which indicates differences in the local activity. The in situ experiments, supported by coordination-activity plots based on density functional theory calculations, show that the compressed Pt-lanthanide (111) terraces contribute the most to the overall activity. Sites with higher coordination, as found at the bottom of step edges or concavities, remain relatively inactive. Sites of lower coordination, as found near the top of step edges, show higher activity, presumably due to an interplay of strain and steric hindrance effects. These findings should be vital in designing nanostructured Pt-lanthanide electrocatalysts.
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Affiliation(s)
- Regina M Kluge
- Physik-Department ECS, Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
| | - Eleftherios Psaltis
- Physik-Department ECS, Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
| | - Richard W Haid
- Physik-Department ECS, Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
| | - Shujin Hou
- Physik-Department ECS, Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
- Catalysis Research Center TUM, Ernst-Otto-Fischer-Straße 1, 85748 Garching, Germany
| | - Thorsten O Schmidt
- Physik-Department ECS, Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
| | - Oliver Schneider
- Institut für Informatik VI, Technische Universität München, Schleißheimerstraße 90a, 85748 Garching, Germany
| | - Batyr Garlyyev
- Physik-Department ECS, Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
| | - Federico Calle-Vallejo
- Department of Materials Science and Chemical Physics & Institute of Theoretical and Computational Chemistry (IQTCUB), University of Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain
| | - Aliaksandr S Bandarenka
- Physik-Department ECS, Technische Universität München, James-Franck-Straße 1, 85748 Garching, Germany
- Catalysis Research Center TUM, Ernst-Otto-Fischer-Straße 1, 85748 Garching, Germany
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6
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Ponomarev II, Skupov KM, Zhigalina OM, Naumkin AV, Modestov AD, Basu VG, Sufiyanova AE, Razorenov DY, Ponomarev II. New Carbon Nanofiber Composite Materials Containing Lanthanides and Transition Metals Based on Electrospun Polyacrylonitrile for High Temperature Polymer Electrolyte Membrane Fuel Cell Cathodes. Polymers (Basel) 2020; 12:E1340. [PMID: 32545725 PMCID: PMC7362175 DOI: 10.3390/polym12061340] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/02/2020] [Accepted: 06/11/2020] [Indexed: 11/18/2022] Open
Abstract
Electrospinning of polyacrylonitrile/DMF dopes containing salts of nickel, cobalt, zirconium, cerium, gadolinium, and samarium, makes it possible to obtain precursor nanofiber mats which can be subsequently converted into carbon nanofiber (CNF) composites by pyrolysis at 1000-1200 °C. Inorganic additives were found to be uniformly distributed in CNFs. Metal states were investigated by transmission electron microscopy and X-ray photoelectron spectroscopy (XPS). According to XPS in CNF/Zr/Ni/Gd composites pyrolyzed at 1000 °C, nickel exists as Ni0 and as Ni2+, gadolinium as Gd3+, and zirconium as Zr4+. If CNF/Zr/Ni/Gd is pyrolyzed at 1200 °C, nickel exists only as Ni0. For CNF/Sm/Co composite, samarium is in Sm3+ form when cobalt is not found on a surface. For CNF/Zr/Ni/Ce composite, cerium exists both as Ce4+ and as Ce3+. Composite CNF mats were platinized and tested as cathodes in high-temperature polymer electrolyte membrane fuel cell (HT-PEMFC). Such approach allows to introduce Pt-M and Pt-MOx into CNF, which are more durable compared to carbon black under HT-PEMFC operation. For CNF/Zr/Ni/Gd composite cathode, higher performance in the HT-PEMFC at I >1.2 A cm-2 is achieved due to elimination of mass transfer losses in gas-diffusion electrode compared to commercial Celtec®P1000.
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Affiliation(s)
- Igor I. Ponomarev
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, 119991 Moscow, Russia; (K.M.S.); (A.V.N.); (D.Y.R.); (I.I.P.)
| | - Kirill M. Skupov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, 119991 Moscow, Russia; (K.M.S.); (A.V.N.); (D.Y.R.); (I.I.P.)
| | - Olga M. Zhigalina
- A. V. Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, Leninsky Av. 59, 119333 Moscow, Russia; (O.M.Z.); (V.G.B.); (A.E.S.)
| | - Alexander V. Naumkin
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, 119991 Moscow, Russia; (K.M.S.); (A.V.N.); (D.Y.R.); (I.I.P.)
| | - Alexander D. Modestov
- A. N. Frumkin Institute of Physical Chemistry and Electrochemistry of Russian Academy of Sciences, Leninsky Av. 31, bld. 4., 119071 Moscow, Russia;
| | - Victoria G. Basu
- A. V. Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, Leninsky Av. 59, 119333 Moscow, Russia; (O.M.Z.); (V.G.B.); (A.E.S.)
| | - Alena E. Sufiyanova
- A. V. Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, Leninsky Av. 59, 119333 Moscow, Russia; (O.M.Z.); (V.G.B.); (A.E.S.)
| | - Dmitry Y. Razorenov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, 119991 Moscow, Russia; (K.M.S.); (A.V.N.); (D.Y.R.); (I.I.P.)
| | - Ivan I. Ponomarev
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, 119991 Moscow, Russia; (K.M.S.); (A.V.N.); (D.Y.R.); (I.I.P.)
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7
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Ochirkhuyag A, Varga T, Tóth IY, Varga ÁT, Sápi A, Kukovecz Á, Kónya Z. Cost-effective ion-tuning of Birnessite structures for efficient ORR electrocatalysts. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 2020. [DOI: 10.1016/j.ijhydene.2020.04.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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8
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Liu J, Kong X, Zheng L, Guo X, Liu X, Shui J. Rare Earth Single-Atom Catalysts for Nitrogen and Carbon Dioxide Reduction. ACS NANO 2020; 14:1093-1101. [PMID: 31934745 DOI: 10.1021/acsnano.9b08835] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Single-atom catalysts (SACs) have attracted much attention owning to their high catalytic properties. Herein, yttrium and scandium rare earth SACs are successfully synthesized on a carbon support (Y1/NC and Sc1/NC). Different from the well-known M-N4 structure of M-N-C (M = Fe, Co) catalysts, Sc and Y atoms with a large atomic radius tend to be anchored to the large-sized carbon defects through six coordination bonds of nitrogen and carbon. Although Y- and Sc-based nanomaterials are generally inactive to room-temperature electrochemical reactions, Y1/NC and Sc1/NC SACs exhibit catalytic activities to nitrogen reduction reaction and carbon dioxide reduction reaction due to the modulation of the local electronic structure of Y/Sc single atoms by N and C coordination. The catalytic functions of rare earth single atoms not only demonstrate the magical effect of SACs but also promote the application of rare earth catalysts in room-temperature electrochemical reactions.
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Affiliation(s)
- Jieyuan Liu
- School of Materials Science and Engineering , Beihang University , No. 37 Xueyuan Road , Beijing 100191 , People's Republic of China
| | - Xue Kong
- School of Materials Science and Engineering , Beihang University , No. 37 Xueyuan Road , Beijing 100191 , People's Republic of China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility , Institute of High Energy Physics, Chinese Academy of Sciences , No. 19 Yuquan Road , Beijing 100049 , People's Republic of China
| | - Xu Guo
- School of Materials Science and Engineering , Beihang University , No. 37 Xueyuan Road , Beijing 100191 , People's Republic of China
| | - Xiaofang Liu
- School of Materials Science and Engineering , Beihang University , No. 37 Xueyuan Road , Beijing 100191 , People's Republic of China
| | - Jianglan Shui
- School of Materials Science and Engineering , Beihang University , No. 37 Xueyuan Road , Beijing 100191 , People's Republic of China
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9
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Chi HZ, Wu Y, Xiong Q, Zhang C, Qin H. On the Origin of the Enhanced Performance of Pt/Dendrite-like Mn 3
O 4
for Methanol Electrooxidation. ChemCatChem 2018. [DOI: 10.1002/cctc.201800332] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hong Zhong Chi
- College of Materials and Environmental Engineering; Hangzhou Dianzi University; Hangzhou 310018 P.R. China
| | - Yongqiang Wu
- College of Materials and Environmental Engineering; Hangzhou Dianzi University; Hangzhou 310018 P.R. China
| | - Qinqin Xiong
- College of Materials and Environmental Engineering; Hangzhou Dianzi University; Hangzhou 310018 P.R. China
| | - Chunxiao Zhang
- College of Materials and Environmental Engineering; Hangzhou Dianzi University; Hangzhou 310018 P.R. China
| | - Haiying Qin
- College of Materials and Environmental Engineering; Hangzhou Dianzi University; Hangzhou 310018 P.R. China
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10
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Gao H, Liu S, Wang Z, Si L, Dai Z. A novel electrochemiluminescence biosensor based on S-doped yttrium oxide ultrathin nanosheets for the detection of anti-Dig antibodies. Analyst 2018; 143:2997-3000. [DOI: 10.1039/c8an00667a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The mechanism of a novel electrochemiluminescence biosensor based on S-doped yttrium oxide ultrathin nanosheets for detection of anti-Dig antibodies.
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Affiliation(s)
- Huan Gao
- Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
| | - Suli Liu
- Department of Chemistry
- Nanjing Xiaozhuang College
- Nanjing 211171
- P. R. China
| | - Zhaoyin Wang
- Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
| | - Ling Si
- Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
| | - Zhihui Dai
- Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
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11
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Tsuji M, Uto K, Nagami T, Muto A, Fukushima H, Hayashi JI. Synthesis of Carbon-Supported Pt-YOxand PtY Nanoparticles with High Catalytic Activity for the Oxygen Reduction Reaction Using a Microwave-based Polyol Method. ChemCatChem 2017. [DOI: 10.1002/cctc.201601479] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Masaharu Tsuji
- International Research and Education Center of Carbon Resources; Kyushu University; Kasuga 816-8580 Japan
| | - Keiko Uto
- International Research and Education Center of Carbon Resources; Kyushu University; Kasuga 816-8580 Japan
| | | | - Akiko Muto
- Institute for Materials Chemistry and Engineering; Kyushu University; Kasuga 816-8580 Japan
| | | | - Jun-ichiro Hayashi
- International Research and Education Center of Carbon Resources; Kyushu University; Kasuga 816-8580 Japan
- Institute for Materials Chemistry and Engineering; Kyushu University; Kasuga 816-8580 Japan
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12
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Zhong H, Luo Y, He S, Tang P, Li D, Alonso-Vante N, Feng Y. Electrocatalytic Cobalt Nanoparticles Interacting with Nitrogen-Doped Carbon Nanotube in Situ Generated from a Metal-Organic Framework for the Oxygen Reduction Reaction. ACS APPLIED MATERIALS & INTERFACES 2017; 9:2541-2549. [PMID: 28032991 DOI: 10.1021/acsami.6b14942] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A metal organic framework (MOF), synthesized from cobalt salt, melamine (mela), and 1,4-dicarboxybezene (BDC), was used as precursor to prepare Co/CoNx/N-CNT/C electrocatalyst via heat treatment at different temperature (700-900 °C) under nitrogen atmosphere. Crystallites size and microstrain in the 800 °C heat-treated sample (MOFs-800) were the lowest, whereas the stacking fault value was the highest among the rest of the homemade samples, as attested to by the Williamson-Hall analysis, hence assessing that the structural or/and surface modification of Co nanoparticles (NPs), found in MOFs-800, was different from that in other samples. CNTs in MOFs-800, interacting with Co NPs, were formed on the surface of the support, keeping the hexagonal shape of the initial MOF. Among the three homemade samples, the MOF-800 sample, with the best electrocatalytic performance toward oxygen reduction reaction (ORR) in 0.1 M KOH solution, showed the highest density of CNTs skin on the support, the lowest ID/IG ratio, and the largest N atomic content in form of pyridinic-N, CoNx, pyrrolic-N, graphitic-N, and oxidized-N species. Based on the binding energy shift toward lower energies, a strong interaction between the active site and the support was identified for MOFs-800 sample. The number of electron transfer was 3.8 on MOFs-800, close to the value of 4.0 determined on the Pt/C benchmark, thus implying a fast and efficient multielectron reduction of molecular oxygen on CoNx active sites. In addition, the chronoamperometric response within 24 000 s showed a more stable current density at 0.69 V/RHE on MOFs-800 as compared with that of Pt/C.
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Affiliation(s)
- Haihong Zhong
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology , No. 15 Beisanhuan East Road, Beijing 100029, China
| | - Yun Luo
- New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center , Guangzhou, Guangdong 510006, China
| | - Shi He
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology , No. 15 Beisanhuan East Road, Beijing 100029, China
| | - Pinggui Tang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology , No. 15 Beisanhuan East Road, Beijing 100029, China
| | - Dianqing Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology , No. 15 Beisanhuan East Road, Beijing 100029, China
| | | | - Yongjun Feng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology , No. 15 Beisanhuan East Road, Beijing 100029, China
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13
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Luo Y, Shroti N, Daletou MK, Estudillo-Wong LA, Alonso-Vante N. Synergistic effect of Yttrium and pyridine-functionalized carbon nanotube on platinum nanoparticles toward the oxygen reduction reaction in acid medium. J Catal 2016. [DOI: 10.1016/j.jcat.2016.09.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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14
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Temmel SE, Fabbri E, Pergolesi D, Lippert T, Schmidt TJ. Investigating the Role of Strain toward the Oxygen Reduction Activity on Model Thin Film Pt Catalysts. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01836] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sandra E. Temmel
- Energy & Environment Division, Paul Scherrer Institut, Villigen PSI 5232, Switzerland
| | - Emiliana Fabbri
- Energy & Environment Division, Paul Scherrer Institut, Villigen PSI 5232, Switzerland
| | - Daniele Pergolesi
- Energy & Environment Division, Paul Scherrer Institut, Villigen PSI 5232, Switzerland
| | - Thomas Lippert
- Energy & Environment Division, Paul Scherrer Institut, Villigen PSI 5232, Switzerland
- Laboratory
of Inorganic Chemistry, ETH Zürich, Zürich 8093, Switzerland
| | - Thomas J. Schmidt
- Energy & Environment Division, Paul Scherrer Institut, Villigen PSI 5232, Switzerland
- Laboratory
of Physical Chemistry, ETH Zürich, Zürich 8093, Switzerland
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15
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What Can We Learn in Electrocatalysis, from Nanoparticulated Precious and/or Non-Precious Catalytic Centers Interacting with Their Support? Catalysts 2016. [DOI: 10.3390/catal6090145] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
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An easy and cheap chemical route using a MOF precursor to prepare Pd–Cu electrocatalyst for efficient energy conversion cathodes. J Catal 2016. [DOI: 10.1016/j.jcat.2016.03.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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