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Wang R, Lee JM. High-Energy Facet Engineering for Electrocatalytic Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401546. [PMID: 38705853 DOI: 10.1002/smll.202401546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/15/2024] [Indexed: 05/07/2024]
Abstract
The design of high-energy facets in electrocatalysts has attracted significant attention due to their potential to enhance electrocatalytic activity. In this review, the significance of high-energy facets in various electrochemical reactions are highlighted, including oxygen reduction reaction (ORR), oxygen evolution reaction (OER), hydrogen evolution reaction (HER), nitrogen reduction reaction (NRR), and carbon dioxide reduction reaction (CRR). Their importance in various electrochemical reactions and present strategies for constructing high-energy facets are discussed, including alloying, heterostructure formation, selective etching, capping agents, and coupling with substrates. These strategies enable control over crystallographic orientation and surface morphology, fine-tuning electrocatalytic properties. This study also addresses future directions and challenges, emphasizing the need to better understand fundamental mechanisms. Overall, high-energy facets offer exciting opportunities for advancing electrocatalysis.
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Affiliation(s)
- Rui Wang
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Jong-Min Lee
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
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2
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Chen R, Wang Z, Chen S, Wang L, Wu W, Zhu Y, Cheng N. Optimizing Intermediate Adsorption on Pt Sites via Triple-Phase Interface Electronic Exchange for Methanol Oxidation. Inorg Chem 2024; 63:4364-4372. [PMID: 38373009 DOI: 10.1021/acs.inorgchem.3c04634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
For the most commonly applied platinum-based catalysts of direct methanol fuel cells, the adsorption ability toward reaction intermediates, including CO and OH, plays a vital role in their catalytic activity and antipoisoning in anodic methanol oxidation reaction (MOR). Herein, guided by a theoretical mechanism study, a favorable modulation of the electronic structure and intermediate adsorption energetics for Pt active sites is achieved by constructing the triple-phase interfacial structure between tin oxide (SnO2), platinum (Pt), and nitrogen-doped graphene (NG). From the strong electronic exchange at the triple-phase interface, the adsorption ability toward MOR reaction intermediates on Pt sites could be efficiently optimized, which not only inhibits the adsorption of CO* on active sites but also facilitates the adsorption of OH* to strip the poisoning species from the catalyst surface. Accordingly, the resulting catalyst delivers excellent catalytic activity and antipoisoning ability for MOR catalysis. The mass activity reaches 1098 mA mg-1Pt, 3.23 times of commercial Pt/C. Meanwhile, the initial potentials and main peak for CO oxidation are also located at a much lower potential (0.51 and 0.74 V) against commercial Pt/C (0.83 and 0.89 V).
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Affiliation(s)
- Runzhe Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou ,Fujian 350108, China
- College of Materials and Chemical Engineering, Minjiang University, Fuzhou ,Fujian 350108, China
| | - Zichen Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou ,Fujian 350108, China
| | - Suhao Chen
- College of Materials Science and Engineering, Fuzhou University, Fuzhou ,Fujian 350108, China
| | - Liang Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou ,Fujian 350108, China
| | - Wei Wu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou ,Fujian 350108, China
| | - Yu Zhu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou ,Fujian 350108, China
| | - Niancai Cheng
- College of Materials Science and Engineering, Fuzhou University, Fuzhou ,Fujian 350108, China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
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3
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Fu H, Chen Z, Chen X, Jing F, Yu H, Chen D, Yu B, Hu YH, Jin Y. Modification Strategies for Development of 2D Material-Based Electrocatalysts for Alcohol Oxidation Reaction. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2306132. [PMID: 38044296 DOI: 10.1002/advs.202306132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/01/2023] [Indexed: 12/05/2023]
Abstract
2D materials, such as graphene, MXenes (metal carbides and nitrides), graphdiyne (GDY), layered double hydroxides, and black phosphorus, are widely used as electrocatalyst supports for alcohol oxidation reactions (AORs) owing to their large surface area and unique 2D charge transport channels. Furthermore, the development of highly efficient electrocatalysts for AORs via tuning the structure of 2D support materials has recently become a hot area. This article provides a critical review on modification strategies to develop 2D material-based electrocatalysts for AOR. First, the principles and influencing factors of electrocatalytic oxidation of alcohols (such as methanol and ethanol) are introduced. Second, surface molecular functionalization, heteroatom doping, and composite hybridization are deeply discussed as the modification strategies to improve 2D material catalyst supports for AORs. Finally, the challenges and perspectives of 2D material-based electrocatalysts for AORs are outlined. This review will promote further efforts in the development of electrocatalysts for AORs.
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Affiliation(s)
- Haichang Fu
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang, 318000, China
| | - Zhangxin Chen
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang, 318000, China
| | - Xiaohe Chen
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang, 318000, China
| | - Fan Jing
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang, 318000, China
| | - Hua Yu
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang, 318000, China
| | - Dan Chen
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang, 318000, China
| | - Binbin Yu
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang, 318000, China
| | - Yun Hang Hu
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, MI, 49931, USA
| | - Yanxian Jin
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Jiaojiang, Zhejiang, 318000, China
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4
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Subhash B, Unocic RR, Lie WH, Gallington LC, Wright J, Cheong S, Tilley RD, Bedford NM. Resolving Atomic-Scale Structure and Chemical Coordination in High-Entropy Alloy Electrocatalysts for Structure-Function Relationship Elucidation. ACS NANO 2023; 17:22299-22312. [PMID: 37944052 DOI: 10.1021/acsnano.3c03884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
The recent breakthrough in confining five or more atomic species in nanocatalysts, referred to as high-entropy alloy nanocatalysts (HEAs), has revealed the possibilities of multielemental interactions that can surpass the limitations of binary and ternary electrocatalysts. The wide range of potential surface configurations in HEAs, however, presents a significant challenge in resolving active structural motifs, preventing the establishment of structure-function relationships for rational catalyst design and optimization. We present a methodology for creating sub-5 nm HEAs using an aqueous-based peptide-directed route. Using a combination of pair distribution function and X-ray absorption spectroscopy, HEA structure models are constructed from reverse Monte Carlo modeling of experimental data sets and showcase a clear peptide-induced influence on atomic-structure and chemical miscibility. Coordination analysis of our structure models facilitated the construction of structure-function correlations applied to electrochemical methanol oxidation reactions, revealing the complex interplay between multiple metals that leads to improved catalytic properties. Our results showcase a viable strategy for elucidating structure-function relationships in HEAs, prospectively providing a pathway for future materials design.
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Affiliation(s)
- Bijil Subhash
- School of Chemical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Raymond R Unocic
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - William Hadinata Lie
- School of Chemical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Leighanne C Gallington
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Joshua Wright
- Department of Physics, Illinois Institute of Technology, Chicago, Illinois 60616, United States
| | - Soshan Cheong
- Mark Wainwright Analytical Centre, University of New South Wales, Sydney, NSW 2052, Australia
| | - Richard D Tilley
- Mark Wainwright Analytical Centre, University of New South Wales, Sydney, NSW 2052, Australia
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
| | - Nicholas M Bedford
- School of Chemical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
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5
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Electrocatalytic performance of single nanoparticles for methanol oxidation reaction. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2022.117045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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6
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Ma H, Cheng P, Chen C, Geng X, Yang K, Lv F, Ma J, Jiang Y, Liu Q, Su Y, Li J, Zhu N. Highly Selective Wearable Alcohol Homologue Sensors Derived from Pt-Coated Truncated Octahedron Au. ACS Sens 2022; 7:3067-3076. [PMID: 36173279 DOI: 10.1021/acssensors.2c01392] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Unhealthy alcohol inhalation is among the top 10 causes of preventable death. However, the present alcohol sensors show poor selectivity among alcohol homologues. Herein, Pt-coated truncated octahedron Au (Ptm@Auto) as the electrocatalyst for a highly selective electrochemical sensor toward alcohol homologues has been designed. The alcohol sensor is realized by distinguishing the electro-oxidation behavior of methanol (MeOH), ethanol (EtOH), or isopropanol (2-propanol). Intermediates from alcohols are further oxidized to CO2 by Ptm@Auto, resulting in different oxidation peaks in cyclic voltammograms and successful distinction of alcohols. Ptm@Auto is then modified on wearable glove-based sensors for monitoring actual alcohol samples (MeOH fuel, vodka, and 2-propanol hand sanitizer), with good mechanical performance and repeatability. The exploration of the Ptm@Auto-based wearable alcohol sensor is expected to be suitable for environmental measurement with high selectivity for alcohol homologues or volatile organic compounds.
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Affiliation(s)
- Hongting Ma
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Peihao Cheng
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Chuanrui Chen
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Xiaodong Geng
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Kaizhou Yang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Fengjuan Lv
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Junlin Ma
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Yue Jiang
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Quanli Liu
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Yan Su
- School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Jian Li
- Center for Reproductive Medicine, Dalian Women and Children's Medical Center (Group), Dalian 116037, China
| | - Nan Zhu
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, China
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7
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Li Y, Li H, Li G, Wang D, Wang S, Zhao X. Low-temperature N-anchored ordered Pt 3Co intermetallic nanoparticles as electrocatalysts for methanol oxidation reaction. NANOSCALE 2022; 14:14199-14211. [PMID: 36125088 DOI: 10.1039/d2nr04316e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
To enhance nanocatalyst performance and durability for the methanol oxidation reaction (MOR) in a direct methanol fuel cell, small-sized (2.1 nm) and structurally ordered Pt3Co intermetallic nanoparticles are uniformly anchored onto nitrogen-doped carbon nanotubes (N-CNTs) via a low-temperature N-anchoring method, and the N-doping abilities of different N-containing reagents are compared. After investigating the microstructure of Pt3Co/N-CNTs and evaluating their catalytic activity for the MOR, the results show that N-doping facilitates the uniform loading of Pt3Co NPs and plays a crucial role in improving the electrocatalytic activity of Pt3Co NPs supported on CNTs. Pt3Co/N-CNT-M with melamine as the N dopant exhibits the highest MOR activity and stability among all N-CNT-supported Pt3Co NPs and Pt/N-CNT-M. Density functional theory calculations suggest that the doping of N enhances the binding energy of CNTs to Pt3Co NPs, and the MOR mechanism shows that the introduction of Co is the reason for the enhancement of MOR reaction kinetics. The excellent electrochemical performance of Pt3Co/N-CNT-M is mainly attributed to the synergistic effect of N and Pt3Co intermetallic nanoparticles. The combination of ordered alloy nanoparticles and high-performance carrier N-CNT-M described herein exhibits great potential for fuel cells and may provide an unequivocal direction for the optimization of catalyst performance.
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Affiliation(s)
- Yanru Li
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, China.
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou, 730050, China
| | - Hongwei Li
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, China.
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou, 730050, China
| | - Guixian Li
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, China.
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou, 730050, China
| | - Dongliang Wang
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, China.
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou, 730050, China
| | - Shoudeng Wang
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, China.
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou, 730050, China
| | - Xinhong Zhao
- School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, China.
- Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou, 730050, China
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8
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Abstract
Pt is widely used as the catalyst for methanol oxidation reaction (MOR) in direct methanol fuel cells (DMFC). However, the high cost and limited supply of pure Pt limit the commercialization of DMFC. Herein, MOR catalyzed by variously designed Pd-doped PtmPdn was studied with the density functional theory (DFT); the PtmPdn(111) surface was chosen since it is the most stable surface among various low-index surfaces. The hydrogens in methyl groups were priorly dehydrogenated on Pt(111), followed by hydrogen in the hydroxyl group. The effects of both the ratio of Pt:Pd and the type of the alloy on the activity of PtmPdn catalysts toward MOR were also studied; both ordered and disordered PtPd with the 1:1 ratio had better catalytic activity towards MOR than other catalysts. Specifically, the disordered Pt:Pdd with the Pt:Pd ratio of 1:1 had the best activity for the relatively stronger adsorption of COH, but the lowest binding with CO and a moderate d band center. The adsorptions of both COH and CO are key steps in the MOR, since the steps of CH3OH→CH2OH→CHOH→COH have downhill energy profiles, while COH→CO is an uphill reaction. In addition, the d band centers of the surface atoms move towards the Fermi level with the increase of the Pd content; the d band can also be tuned by changing the atom arrangement. These findings can be used as rules to design high-performance catalysts for MOR.
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9
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Poerwoprajitno AR, Gloag L, Watt J, Cheong S, Tan X, Lei H, Tahini HA, Henson A, Subhash B, Bedford NM, Miller BK, O’Mara PB, Benedetti TM, Huber DL, Zhang W, Smith SC, Gooding JJ, Schuhmann W, Tilley RD. A single-Pt-atom-on-Ru-nanoparticle electrocatalyst for CO-resilient methanol oxidation. Nat Catal 2022. [DOI: 10.1038/s41929-022-00756-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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10
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Gao Z, Li Z, Zhao C, Li T, Lu Y, Song YY. Construction of Bi-Component CoNi Nanosheet coated TiO2 Nanotube Arrays for Photocatalysis-Assisted Poisoning Tolerance toward Methanol Oxidation Reaction. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.01.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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11
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Zhai M, Chen F, Wu N, Zhang X, Guo R, Ma M, Hu T. Highly Conductive and CO‐Resistant Cobalt‐Based Monolithic Electrodes for the Catalytic Oxidation of Methanol. ChemElectroChem 2021. [DOI: 10.1002/celc.202101097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Meixu Zhai
- Department of Chemistry College of Science North University of China Taiyuan 030051 China
| | - Fei Chen
- Department of Chemistry College of Science North University of China Taiyuan 030051 China
| | - Na Wu
- Department of Chemistry College of Science North University of China Taiyuan 030051 China
| | - Xue Zhang
- Department of Chemistry College of Science North University of China Taiyuan 030051 China
| | - Ruihong Guo
- Department of Chemistry College of Science North University of China Taiyuan 030051 China
| | - Mingming Ma
- Department of Chemistry College of Science North University of China Taiyuan 030051 China
- Hefei National Laboratory for Physical Sciences at the Microscale Department of Chemistry University of Science and Technology of China Hefei 230026 Anhui China
| | - Tuoping Hu
- Department of Chemistry College of Science North University of China Taiyuan 030051 China
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Zhang J, Wu L, Xu L, Sun D, Sun H, Tang Y. Recent advances in phosphorus containing noble metal electrocatalysts for direct liquid fuel cells. NANOSCALE 2021; 13:16052-16069. [PMID: 34549765 DOI: 10.1039/d1nr04218a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Direct liquid fuel cells (DLFCs) are considered as satisfactory alternatives to traditional fossil fuels owing to their unique advantages, e.g. environmental friendliness and easy storage. Noble metal catalysts are widely used to improve the efficiency of DLFCs. However, the high cost, low utilization and poor stability of noble metals restricted their practical applications. Therefore, it is of great significance to explore cost-effective electrocatalysts and further improve their electrocatalytic performance. Reducing the content of noble metals by adding low-priced phosphorus (P) has been considered as an effective strategy, which is able to enhance their electrocatalytic activity and anti-poisoning ability through effectively changing the electronic density of active sites. In the past few years, tremendous P containing catalysts have been synthesized and utilized in DLFCs. In this review, we summarize the fundamentals of electrochemical reactions and present recent progress in P containing noble metal catalysts for DLFCs, including the discussion of their shape, composition and the relationship between P and active sites. Finally, the challenges and some potential directions in this field are pointed out.
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Affiliation(s)
- Jiachen Zhang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Li Wu
- School of Public Health, Nantong University, Nantong 226019, Jiangsu, China
| | - Lin Xu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Dongmei Sun
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Hanjun Sun
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Yawen Tang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
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13
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Yuan Q, Du Y, Chao L, Xie Q. Preparation of a uniform thin-film Pd-Au electrocatalyst via electroreduction of a palladium hexacyanoferrate(II)-Au electrodeposit for alkaline oxidation of methanol. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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14
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Abdullah MI, Hameed A, Zhang N, Islam MH, Ma M, Pollet BG. Ultrasonically Surface-Activated Nickel Foam as a Highly Efficient Monolith Electrode for the Catalytic Oxidation of Methanol to Formate. ACS APPLIED MATERIALS & INTERFACES 2021; 13:30603-30613. [PMID: 34170102 DOI: 10.1021/acsami.1c06258] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Most of the current electrocatalysts for the methanol oxidation reaction are precious group metals such as Pt, Pd, and Ru. However, their use is limited due to their high cost, scarcity, and issues with carbon monoxide poisoning. We developed a simple method to prepare a nickel foam (NF)-based monolith electrode with a NiO nanosheet array structure as an efficient electrocatalyst toward the oxidation of methanol to produce formate. By a simple ultrasonic acid treatment and air oxidation at room temperature, an inert NF was converted to NiO/NF as a catalytically active electrode due to the uniform NiO nanosheet array that was rapidly formed on the surface of NiO/NF. In alkaline electrolytes containing methanol, the as-prepared NiO/NF catalysts exhibited a lower methanol oxidation reaction (MOR) potential of +1.53 V vs RHE at 100 mA cm-2 compared to that of inert NF samples. The difference in potentials between the EMOR and the EOER at that current density was found to be 280 mV, indicating that methanol oxidation occurred at lower potentials as compared to the oxygen evolution reaction (OER). We also observed that the NiO/NF could also efficiently catalyze the oxidation of CO without being poisoned by it. NiO/NF retained close to 100% of its initial activity after 20,000 s of methanol oxidation tests at high current densities above 200 mA cm-2. Because of the simple synthesis method and the enhanced catalytic performance and stability of NiO/NF, this allows methanol to be used as an OER masking agent for the energy-efficient generation of value-added products such as formic acid and hydrogen.
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Affiliation(s)
- Muhammad Imran Abdullah
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Asima Hameed
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Ning Zhang
- Department of Biology and Environmental Engineering, Hefei University, Hefei, Anhui 230022, China
| | - Md Hujjatul Islam
- Hydrogen Energy and Sonochemistry Research group, Department of Energy and Process Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Mingming Ma
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Bruno G Pollet
- Hydrogen Energy and Sonochemistry Research group, Department of Energy and Process Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
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15
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Yang X, Tong X, Liu X, Li K, Yang N. Methanol electrooxidation on core-shell Ag@Pd catalysts. Electrochem commun 2021. [DOI: 10.1016/j.elecom.2021.106917] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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16
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Belenov SV, Men’shchikov VS, Nikulin AY, Novikovskii NM. PtCu/C Materials Doped with Different Amounts of Gold as the Catalysts of Oxygen Electroreduction and Methanol Electrooxidation. RUSS J ELECTROCHEM+ 2020. [DOI: 10.1134/s1023193520080029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Praveen R, Ramaraj R. Electrocatalysis of Methanol on the Platinum‐Gold Bimetallic Microstructures Codeposited with Silicate Sol‐gel on Indium Tin Oxide Electrode. ELECTROANAL 2020. [DOI: 10.1002/elan.202060096] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Raju Praveen
- Department of Physical Chemistry Centre for Photoelectrochemistry, School of Chemistry Madurai Kamaraj University Madurai 625 021 India
| | - Ramasamy Ramaraj
- Department of Physical Chemistry Centre for Photoelectrochemistry, School of Chemistry Madurai Kamaraj University Madurai 625 021 India
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18
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Aramesh N, Hoseini SJ, Shahsavari HR, Nabavizadeh SM, Bahrami M, Halvagar MR, Giglio ED, Latronico M, Mastrorilli P. PtSn Nanoalloy Thin Films as Anode Catalysts in Methanol Fuel Cells. Inorg Chem 2020; 59:10688-10698. [PMID: 32701304 DOI: 10.1021/acs.inorgchem.0c01147] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reactions of SnX2 (X = Cl, Br) with [PtMe2(bipy)], 1, (bipy = 2,2'-bipyridine), followed by NaBH4 reduction at the toluene/water interface in the presence or absence of graphene oxide support rendered PtSn nanoalloy thin films. They were characterized by powder X-ray diffraction, X-ray photoelectron spectroscopy, and transmission electron microscopy. The electrocatalytical activity of the PtSn thin films was investigated in the methanol oxidation reaction. Our studies showed that the PtSn/reduced-graphene oxide (RGO) thin film gave better catalytic results for MOR in comparison to bare PtSn or Pt thin films. A maximum jf/jb ratio (jf and jb are the maximum current densities in the forward and backward scans, respectively) of 6.77 was obtained for the PtSn/RGO thin film deriving from the 1 + SnBr2 + NaBH4 sequence.
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Affiliation(s)
- Nahal Aramesh
- Department of Chemistry, Faculty of Sciences, Yasouj University, Yasouj 75918-74831, Iran
| | - S Jafar Hoseini
- Professor Rashidi Laboratory of Organometallic Chemistry, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71946-84795, Iran.,Department of Chemistry, Faculty of Sciences, Yasouj University, Yasouj 75918-74831, Iran
| | - Hamid R Shahsavari
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
| | - S Masoud Nabavizadeh
- Professor Rashidi Laboratory of Organometallic Chemistry, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71946-84795, Iran
| | - Mehrangiz Bahrami
- Professor Rashidi Laboratory of Organometallic Chemistry, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71946-84795, Iran
| | - Mohammad Reza Halvagar
- Department of Inorganic Chemistry, Chemistry and Chemical Engineering Research Center of Iran, Tehran 14968-13151, Iran
| | - Elvira De Giglio
- Dipartimento di Chimica, Università degli studi di Bari "Aldo Moro", I-70125 Bari, Italy
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19
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Li H, Wu X, Tao X, Lu Y, Wang Y. Direct Synthesis of Ultrathin Pt Nanowire Arrays as Catalysts for Methanol Oxidation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2001135. [PMID: 32583966 DOI: 10.1002/smll.202001135] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 06/03/2020] [Indexed: 06/11/2023]
Abstract
High-performance electrocatalysts are of critical importance for fuel cells. Morphological modulation of the catalyst materials is a rare but feasible strategy to improve their performance. In this work, Pt nanowire arrays are directly synthesized with a template-less wet chemical method. The effects of surface functionalization and the reduction kinetics are revealed to be vital to the nanowire growth. The growth mechanism of the Pt nanowires is studied. By adjusting the concentration of the organic ligands, Pt nanowire arrays with tunable surface roughness can be obtained on various substrate surfaces. Such arrays avoid the contact resistance of randomly packed particles and allow open diffusion channels for reactants and products alike, making them excellent electrocatalysts for the methanol oxidation reaction. In particular, Pt nanowire arrays with rough surface have a mass activity of 1.24 A mgPt -1 at 1.12 V (vs Ag/AgCl), 3.18-fold higher than that of the commercial Pt/C catalysts. It also shows more resistant against poisoning, as indicated by the higher If /Ib ratio (2.06), in comparison to the Pt/C catalysts (1.30).
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Affiliation(s)
- Hongyan Li
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
| | - Xuesong Wu
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
| | - Xiaolin Tao
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
| | - Yan Lu
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
| | - Yawen Wang
- Institute of Advanced Synthesis (IAS), and School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China
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20
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ul Haq T, Bicer Y, Munir A, Mansour SA, Haik Y. Surface Assembling of Highly Interconnected and Vertically Aligned Porous Nanosheets of Gd−CoB on TiO
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Nanoflowers for Durable Methanol oxidation Reaction. ChemCatChem 2020. [DOI: 10.1002/cctc.202000392] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tanveer ul Haq
- College of Science and EngineeringHamad bin Khalifa University (HBKU)Qatar Foundation 34110 Doha Qatar
| | - Yusuf Bicer
- College of Science and EngineeringHamad bin Khalifa University (HBKU)Qatar Foundation 34110 Doha Qatar
| | - Akhtar Munir
- Department of Chemistry and Chemical EngineeringSBA School of Science and EngineeringLahore University of Management and Sciences (LUMS) DHA Lahore 54792 Pakistan
| | - Said A. Mansour
- Qatar Energy and Environment Research InstituteHamad bin Khalifa University (HBKU) Qatar Foundation 34110 Doha Qatar
| | - Yousef Haik
- College of Science and EngineeringHamad bin Khalifa University (HBKU)Qatar Foundation 34110 Doha Qatar
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21
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Manivannan S, An S, Jeong J, Viji M, Kim K. Hematite/M (M = Au, Pd) Catalysts Derived from a Double-Hollow Prussian Blue Microstructure: Simultaneous Catalytic Reduction of o- and p-Nitrophenols. ACS APPLIED MATERIALS & INTERFACES 2020; 12:17557-17570. [PMID: 32207290 DOI: 10.1021/acsami.0c01704] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Present study deals with hematite/M (M = Au, Pd) catalysts converted from a double-hollow Prussian blue microstructure (DHPM). The unique Prussian blue (PB) microstructure (MS) is prepared by a template-free solvothermal synthetic route in a single-step reaction. An amine-functionalized silicate sol-gel matrix (SSG) has served as the structure-directing agent cum stabilizer for making DHPM. Synthesized DHPM is having a unique structure: a hollow core and an in situ etched porous surface. Growth mechanism is explored and revealed by analyzing several experimental parameters such as HCl concentration, Fe source, effect of the added EtOH, silane concentration, and role of silanes' amine groups. It is identified that the superstructure consisted of well-aligned PB cubes growing radially from the core of the superstructure. Metal (Au and Pd) nanoparticles (NPs) are deposited on both interior and exterior of the PB MS through galvanic displacement reaction, and thus metal NP-loaded hematite phase iron oxide (α-Fe2O3) nanomaterials were derived by annealing them in air. Catalytic activities of the hematite/M(M = Au, Pd) MS are investigated toward simultaneous catalytic reduction of o-nitrophenol and p-nitrophenol. The resultant hematite/Pd MS showed high structural stability and catalytic active sites than the hematite/Au MS, which enhances the catalytic properties for the simultaneous catalytic reduction of both nitrophenols.
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Affiliation(s)
- Shanmugam Manivannan
- Electrochemistry Laboratory for Sensors & Energy (ELSE), Department of Chemistry, Incheon National University, Incheon 22012, Republic of Korea
| | - Seonghwi An
- Electrochemistry Laboratory for Sensors & Energy (ELSE), Department of Chemistry, Incheon National University, Incheon 22012, Republic of Korea
| | - Juwon Jeong
- Electrochemistry Laboratory for Sensors & Energy (ELSE), Department of Chemistry, Incheon National University, Incheon 22012, Republic of Korea
| | - Mayavan Viji
- College of Pharmacy and Medicinal Research Center (MRC), Chungbuk National University, Cheongju 28160, Republic of Korea
| | - Kyuwon Kim
- Electrochemistry Laboratory for Sensors & Energy (ELSE), Department of Chemistry, Incheon National University, Incheon 22012, Republic of Korea
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22
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Que R, Li M, Yao H, Wang X, Liao F, Shao M. Unusual Effect of Trace Water on the Structure and Activity of Ni x Co 1-x Electrocatalysts for the Methanol Oxidation Reaction. CHEMSUSCHEM 2020; 13:964-973. [PMID: 31880393 DOI: 10.1002/cssc.201903108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/25/2019] [Indexed: 06/10/2023]
Abstract
Highly active Ni-based catalysts have attracted much attention but are still facing challenges owing to the immature synthetic method. Herein, polyhedral Nix Co1-x alloy was prepared by a facile modified polyol method in which a trace amount of water could halve the particle size of the alloy. The Ni/Co ratios in Nix Co1-x alloy strictly depended on the used amount of water owing to the different solubilities of the precursors. Among them, the Ni0.6 Co0.4 nanoparticles obtained with 70 μL of deionized water exhibited the best performance in the methanol oxidation reaction with a peak current density of 116 mA cm-2 in the presence of 1 m NaOH+0.5 m CH3 OH solution, which is higher than those of Ni0.7 Co0.3 (80 mA cm-2 ) and Ni0.5 Co0.5 (33 mA cm-2 ). The excellent performance of Ni0.6 Co0.4 is attributed to the unique structure with appropriate Ni/Co ratio, which elongates the C-O bond in methanol and lowers the reaction free energy according to DFT calculations.
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Affiliation(s)
- Ronghui Que
- Anhui Key Laboratory of Molecule-Based Materials, The Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Maolin Li
- Anhui Key Laboratory of Molecule-Based Materials, The Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Hong Yao
- Library of Anhui Normal University, Wuhu, 241000, P. R. China
| | - Xiuhua Wang
- Anhui Key Laboratory of Molecule-Based Materials, The Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Fan Liao
- Institute of Functional Nano & Soft Materials Laboratory (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, P. R. China
| | - Mingwang Shao
- Institute of Functional Nano & Soft Materials Laboratory (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, P. R. China
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23
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Xie Y, Li C, Razek SA, Fang J, Dimitrov N. Synthesis of Nanoporous Au−Cu−Pt Alloy as a Superior Catalyst for the Methanol Oxidation Reaction. ChemElectroChem 2020. [DOI: 10.1002/celc.201901932] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yunxiang Xie
- Department of Chemistry State University of New York at Binghamton Binghamton NY 13902 USA
| | - Can Li
- Department of Chemistry State University of New York at Binghamton Binghamton NY 13902 USA
| | - Sara A Razek
- Department of Chemistry State University of New York at Binghamton Binghamton NY 13902 USA
| | - Jiye Fang
- Department of Chemistry State University of New York at Binghamton Binghamton NY 13902 USA
| | - Nikolay Dimitrov
- Department of Chemistry State University of New York at Binghamton Binghamton NY 13902 USA
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24
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Stohr T, Fischer A, Muench F, Antoni M, Wollstadt S, Lohaus C, Kunz U, Clemens O, Klein A, Ensinger W. Electroless Nanoplating of Pd−Pt Alloy Nanotube Networks: Catalysts with Full Compositional Control for the Methanol Oxidation Reaction. ChemElectroChem 2020. [DOI: 10.1002/celc.201901939] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tobias Stohr
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Angelina Fischer
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Falk Muench
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Markus Antoni
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Stephan Wollstadt
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Christian Lohaus
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Ulrike Kunz
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Oliver Clemens
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Andreas Klein
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
| | - Wolfgang Ensinger
- Department of Materials and Earth SciencesTechnische Universität Darmstadt Alarich-Weiß-Str. 2 64287 Darmstadt Germany
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25
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Higareda A, Kumar-Krishnan S, García-Ruiz AF, Maya-Cornejo J, Lopez-Miranda JL, Bahena D, Rosas G, Pérez R, Esparza R. Synthesis of Au@Pt Core-Shell Nanoparticles as Efficient Electrocatalyst for Methanol Electro-Oxidation. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1644. [PMID: 31752428 PMCID: PMC6915688 DOI: 10.3390/nano9111644] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 10/28/2019] [Accepted: 11/01/2019] [Indexed: 02/07/2023]
Abstract
Bimetallic Au@Pt nanoparticles (NPs) with Pt monolayer shell are of much interest for applications in heterogeneous catalysts because of enhanced catalytic activity and very low Pt-utilization. However, precisely controlled synthesis with uniform Pt-monolayers and stability on the AuNPs seeds remain elusive. Herein, we report the controlled deposition of Pt-monolayer onto uniform AuNPs seeds to obtain Au@Pt core-shell NPs and their Pt-coverage dependent electrocatalytic activity for methanol electro-oxidation. The atomic ratio between Au/Pt was effectively tuned by varying the precursor solution ratio in the reaction solution. The morphology and atomic structure of the Au@Pt NPs were analyzed by high-resolution scanning transmission electron microcopy (HR-STEM) and X-ray diffraction (XRD) techniques. The results demonstrated that the Au@Pt core-shell NPs with Pt-shell thickness (atomic ratio 1:2) exhibit higher electrocatalytic activity for methanol electro-oxidation reaction, whereas higher and lower Pt ratios showed less overall catalytic performance. Such higher catalytic performance of Au@Pt NPs (1:2) can be attributed to the weakened CO binding on the Pt/monolayers surface. Our present synthesis strategy and optimization of the catalytic activity of Au@Pt core-shell NPs catalysts provide promising approach to rationally design highly active catalysts with less Pt-usage for high performance electrocatalysts for applications in fuel cells.
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Affiliation(s)
- América Higareda
- Posgrado en Ciencia e Ingeniería de Materiales, Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, Santiago de Querétaro 76230, Mexico;
| | - Siva Kumar-Krishnan
- Cátedras CONACYT_Instituto de Física, Benemérita Universidad Autónoma de Puebla, Apdo. Postal J-48, Puebla 72570, Mexico;
| | - Amado F. García-Ruiz
- UPIICSA-COFAA, Instituto Politécnico Nacional, Te 950, Col. Granjas-México, Iztacalco, Ciudad de México 08400, Mexico;
| | - José Maya-Cornejo
- Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, Santiago de Querétaro 76230, Mexico; (J.M.-C.); (J.L.L.-M.)
| | - José L. Lopez-Miranda
- Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, Santiago de Querétaro 76230, Mexico; (J.M.-C.); (J.L.L.-M.)
| | - Daniel Bahena
- Laboratorio Avanzado de Nanoscopía Electrónica (LANE), Centro de Investigación y de Estudios Avanzados del I.P.N., Av. Instituto Politécnico Nacional 2508 Col. San Pedro Zacatenco, Ciudad de México 07360, Mexico;
| | - Gerardo Rosas
- Instituto de Investigaciones Metalúrgicas, UMSNH, edificio U, Ciudad Universitaria, Morelia Michoacán 58060, Mexico;
| | - Ramiro Pérez
- Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México (UNAM), Av. Universidad s/n, Cuernavaca, Morelos 62210, Mexico;
| | - Rodrigo Esparza
- Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, Santiago de Querétaro 76230, Mexico; (J.M.-C.); (J.L.L.-M.)
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26
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Kelly CHW, Benedetti TM, Alinezhad A, Gooding JJ, Tilley RD. Controlling Metallic Nanoparticle Redox Properties for Improved Methanol Oxidation Reaction Electrocatalysis. ChemCatChem 2019. [DOI: 10.1002/cctc.201901263] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
| | - Tania M. Benedetti
- School of ChemistryUniversity of New South Wales Sydney, NSW 2052 Australia
| | - Ali Alinezhad
- School of ChemistryUniversity of New South Wales Sydney, NSW 2052 Australia
| | - J. Justin Gooding
- School of ChemistryUniversity of New South Wales Sydney, NSW 2052 Australia
- Australian Centre for NanomedicineUniversity of New South Wales Sydney, NSW 2052 Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and TechnologyUniversity of New South Wales Sydney, NSW 2052 Australia
| | - Richard D. Tilley
- School of ChemistryUniversity of New South Wales Sydney, NSW 2052 Australia
- Electron Microscope Unit Mark Wainwright Analytical CentreMWAC – University of New South Wales Sydney, NSW 2052 Australia
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27
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Li J, Zhao L, Li X, Hao S, Wang Z. One‐Step Interfacial Functionalization and Synthesis of Mo–Modified TiO
2
Nanocrystalline as Composite PtRu Anode Catalyst Support for DMFCs. ChemistrySelect 2019. [DOI: 10.1002/slct.201900671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jia‐Long Li
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and StorageSchool of Chemistry and Chemical EngineeringHarbin Institute of Technology Harbin 150001 China
| | - Lei Zhao
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and StorageSchool of Chemistry and Chemical EngineeringHarbin Institute of Technology Harbin 150001 China
| | - Xi‐Fei Li
- Institute of Advanced Electrochemical EnergySchool of Materials Science and EngineeringXi'an University of Technology Xi'an 710048 China
| | - Su‐E Hao
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and StorageSchool of Chemistry and Chemical EngineeringHarbin Institute of Technology Harbin 150001 China
| | - Zhen‐Bo Wang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and StorageSchool of Chemistry and Chemical EngineeringHarbin Institute of Technology Harbin 150001 China
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28
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Li JL, Zhao L, Li XF, Hao SE, Wang ZB. Carbon-Coated and Interfacial-Functionalized Mixed-Phase Mo x Ti 1-x O 2-δ Nanotubes as Highly Active and Durable PtRu Catalyst Support for Methanol Electrooxidation. Chem Asian J 2019; 14:1549-1556. [PMID: 30924601 DOI: 10.1002/asia.201900264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 03/13/2019] [Indexed: 11/11/2022]
Abstract
A synchronous carbon-coating and interfacial-functionalizing approach is proposed for the fabrication of Mo-doped Mox Ti1-x O2-δ nanotubes (C@IF-MTNTs) under mild hydrothermal reaction with subsequent annealing as advanced catalyst supports for PtRu nanoparticles (NPs) towards methanol electrooxidation. The carbonation of glucose and Mo-doping takes place simultaneously at the interface of pristine anatase TiO2 nanotubes (TNTs), generating a unique concentric multilayered one-dimensional (1D) structure with crystalline an anatase/rutile mixed-phase TiO2 core and Mo-functionalized interface and subsequently a carbon shell. The obtained PtRu/C@IF-MTNTs catalyst exhibits an over 2 times higher mass activity with comparable durability than that of the unmodified PtRu/C@TNTs catalyst and over 1.7 times higher mass activity with over 20 % higher stability than that of PtRu/C catalyst. Such superior catalytic performance towards methanol electrooxidation is ascribed to the Mo-functionalized interface, concentric multilayered 1D architecture, and anatase/rutile mixed-phase core, which facilitates the charge transport through 1D structural support and electronic interaction between C@IF-MTNTs and ultrafine PtRu NPs. This work reveals the critical application of a 1D interfacial functionalized architecture for advanced energy storage and conversion.
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Affiliation(s)
- Jia-Long Li
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Lei Zhao
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Xi-Fei Li
- Institute of Advanced Electrochemical Energy, School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, 710048, China
| | - Su-E Hao
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Zhen-Bo Wang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
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