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Cao L, Chen J, Pang J, Qu H, Liu J, Gao J. Research Progress in Enzyme Biofuel Cells Modified Using Nanomaterials and Their Implementation as Self-Powered Sensors. Molecules 2024; 29:257. [PMID: 38202838 PMCID: PMC10780655 DOI: 10.3390/molecules29010257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/26/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Enzyme biofuel cells (EBFCs) can convert chemical or biochemical energy in fuel into electrical energy, and therefore have received widespread attention. EBFCs have advantages that traditional fuel cells cannot match, such as a wide range of fuel sources, environmental friendliness, and mild reaction conditions. At present, research on EBFCs mainly focuses on two aspects: one is the use of nanomaterials with excellent properties to construct high-performance EBFCs, and the other is self-powered sensors based on EBFCs. This article reviews the applied nanomaterials based on the working principle of EBFCs, analyzes the design ideas of self-powered sensors based on enzyme biofuel cells, and looks forward to their future research directions and application prospects. This article also points out the key properties of nanomaterials in EBFCs, such as electronic conductivity, biocompatibility, and catalytic activity. And the research on EBFCs is classified according to different research goals, such as improving battery efficiency, expanding the fuel range, and achieving self-powered sensors.
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Affiliation(s)
- Lili Cao
- College of Science, Heilongjiang Bayi Agricultural University, Daqing 163319, China; (J.C.); (J.P.); (H.Q.); (J.L.); (J.G.)
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Lee H, Park E, Lee E, Lim I, Yang TH, Park GG. Ultrasound-Driven enhancement of Pt/C catalyst stability in oxygen reduction reaction. ULTRASONICS SONOCHEMISTRY 2024; 102:106730. [PMID: 38113585 PMCID: PMC10772287 DOI: 10.1016/j.ultsonch.2023.106730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/10/2023] [Accepted: 12/13/2023] [Indexed: 12/21/2023]
Abstract
Polymer electrolyte membrane fuel cells (PEMFCs) have reached the commercialization phase, representing a promising approach to curbing carbon emissions. However, greater durability of PEMFCs is of paramount importance to ensure their long-term viability and effectiveness, and catalyst development has become a focal point of research. Pt nanoparticles supported on carbon materials (Pt/C) are the primary catalysts used in PEMFCs. Accomplishing both a high dispersion of uniform metal particles on the carbon support and robust adhesion between the metal particles and the carbon support is imperative for superior stability, and will thereby, advance the practical applications of PEMFCs in sustainable energy solutions. Ultrasound-assisted polyol synthesis (UPS) has emerged as a suitable method for synthesizing catalysts with a well-defined metal-support structure, characterized by the high dispersion and uniformity of metal nanoparticles. In this study, we focused on the effect of ultrasound on the synthesis of Pt/C via UPS and the resulting enhanced stability of Pt/C catalysts. Therefore, we compared Pt/C synthesized using a conventional polyol synthesis (Pt/C_P) and Pt/C synthesized via UPS (Pt/C_U) under similar synthesis conditions. The two catalysts had a similar Pt content and the average particle size of the Pt nanoparticles was similar; however, the uniformity and dispersion of Pt nanoparticles in Pt/C_U were better than those of Pt/C_P. Moreover, ex/in-situ analyses performed in a high-temperature environment, in which nanoparticles tend to agglomerate, have revealed that Pt/C_U exhibited a notable improvement in the adhesion of Pt particles to the carbon support compared with that of Pt/C_P. The enhanced adhesion is crucial for maintaining the stability of the catalyst, ultimately contributing to a better durability in practical applications. Ultrasound was applied to the carbon support without the Pt precursor under the same UPS conditions used to synthesize Pt/C_U to identify the reason for the increased adhesion between the Pt particles and the carbon support in Pt/C_U, and we discovered that oxygen functional groups (C-O, C = O, and O-C = O) for anchoring site of Pt particles were generated in the carbon support. Pt/C_U displayed an increase in stability in an electrochemical accelerated stress test (AST) in an acidic electrolyte. The physical and chemical effects of ultrasound on the synthesis of Pt/C via UPS were identified, and we concluded that UPS is suitable for synthesizing carbon supported electrocatalysts with high stability.
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Affiliation(s)
- Hyunjoon Lee
- Fuel Cell Laboratory, Korea Institute of Energy Research (KIER), Daejeon 34129, Republic of Korea
| | - Eunbi Park
- Fuel Cell Laboratory, Korea Institute of Energy Research (KIER), Daejeon 34129, Republic of Korea; Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-Gu, Daejeon 34134, South Korea
| | - Eunjik Lee
- Fuel Cell Laboratory, Korea Institute of Energy Research (KIER), Daejeon 34129, Republic of Korea; Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-Gu, Daejeon 34134, South Korea; Department of Energy Engineering, University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea
| | - Iksung Lim
- Fuel Cell Laboratory, Korea Institute of Energy Research (KIER), Daejeon 34129, Republic of Korea; Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-Gu, Daejeon 34134, South Korea
| | - Tae-Hyun Yang
- Fuel Cell Laboratory, Korea Institute of Energy Research (KIER), Daejeon 34129, Republic of Korea
| | - Gu-Gon Park
- Fuel Cell Laboratory, Korea Institute of Energy Research (KIER), Daejeon 34129, Republic of Korea; Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-Gu, Daejeon 34134, South Korea; Department of Energy Engineering, University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea.
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Superior Performance of an Iron-Platinum/Vulcan Carbon Fuel Cell Catalyst. Catalysts 2022. [DOI: 10.3390/catal12111369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
This work reports on the synthesis of iron-platinum on Vulcan carbon (FePt/VC) as an effective catalyst for the electrooxidation of molecular hydrogen at the anode, and electroreduction of molecular oxygen at the cathode of a proton exchange membrane fuel cell. The catalyst was synthesized by using the simple polyol route and characterized by XRD and HRTEM along with EDS. The catalyst demonstrated superior electrocatalytic activity for the oxygen reduction reaction and the oxidation of hydrogen with a 2.4- and 1.2-fold increase compared to platinum on Vulcan carbon (Pt/VC), respectively. Successful application of FePt/VC catalyst in a self-breathing fuel cell also showed a 1.7-fold increase in maximum power density compared to Pt/VC. Further analysis by accelerated stress test demonstrated the superior stability of FePt on the VC substrate with a 4% performance degradation after 60,000 cycles. In comparison, a degradation of 6% after 10,000 cycles has been reported for Pt/Ketjenblack.
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Enhanced Performance of Sn@Pt Core-Shell Nanocatalysts Supported on Two Different Carbon Structures for the Hydrogen Oxidation Reaction in Acid Media. J CHEM-NY 2022. [DOI: 10.1155/2022/2982594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Sn@Pt core-shell nanocatalysts, supported on Vulcan XC-72 and home-developed nitrogen-doped graphene (Sn@Pt/C and Sn@Pt/NG, respectively), were evaluated for the hydrogen oxidation reaction (HOR) in acid electrolyte. The nanocatalysts were synthesized by the bromide anion exchange (BAE) method. TEM characterization confirmed the nanosize nature of Sn@Pt/C and Sn@Pt/NG, with an average particle size of 2.1 and 2.3 nm, respectively. Sn@Pt/C delivered a similar mass limiting current density (jl, m) of the HOR compared to Sn@Pt/NG, which was higher than those of Pt/C and Pt/NG (ca. 2 and 2.3-fold increase, respectively). Moreover, the Sn@Pt/C and Sn@Pt/NG core-shell nanocatalysts demonstrated a higher specific activity related to Pt/C and Pt/NG. Mass and specific Tafel slopes further demonstrated the improved catalytic activity of Sn@Pt/C for the HOR, followed by Sn@Pt/NG. The application of the nanocatalysts was proposed for polymer electrolyte membrane fuel cells (PEMFC).
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Improved Oxygen Reduction on GC-Supported Large-Sized Pt Nanoparticles by the Addition of Pd. Catalysts 2022. [DOI: 10.3390/catal12090968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
PdPt bimetallic nanoparticles on carbon-based supports functioning as advanced electrode materials have attracted attention due to their low content of noble metals and high catalytic activity for fuel cell reactions. Glassy carbon (GC)-supported Pt and PdPt nanoparticles, as promising catalysts for the oxygen reduction reaction (ORR), were prepared by the electrochemical deposition of Pt and the subsequent spontaneous deposition of Pd. The obtained electrodes were examined using X-ray Photoelectron Spectroscopy (XPS), Atomic Force Microscopy (AFM), and electroanalytical techniques. An XPS analysis of the PdPt/GC with the highest ORR performance revealed that the stoichiometric ratio of Pd: Pt was 1:2, and that both Pt and Pd were partially oxidized. AFM images of PdPt2/GC showed the full coverage of GC with PdPt nanoparticles with sizes from 100–300 nm. The ORR activity of PdPt2/GC in an acid solution approached that of polycrystalline Pt (E1/2 = 0.825 V vs. RHE), while exceeding it in an alkaline solution (E1/2 = 0.841 V vs. RHE). The origin of the improved ORR on PdPt2/GC in an alkaline solution is ascribed to the presence of a higher amount of adsorbed OH species originating from both PtOH and PdOH that facilitated the 4e-reaction pathway.
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High performing platinum—copper catalyst for self—breathing polymer electrolyte membrane fuel cell. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04734-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AbstractPlatinum (Pt) is the most common catalyst in Polymer Electrolyte Membrane Fuel Cells due to its ability to effectively promote the oxidation of hydrogen and reduction of oxygen. However, as a noble metal, the use of Pt should be minimized. Alloying Pt with low-cost transition metals is an effective strategy to improve catalytic activity and reduce Pt use. In this context, we report on a one-step synthesis of a Platinum/Copper (PtCu) catalyst, which can be used at both the anode and the cathode of a fuel cell. Catalysts with various Cu to Pt ratios were synthesised and in particular the PtCu catalyst at a Cu to Pt ratio of 0.5 demonstrated a high activity for hydrogen oxidation and oxygen reduction, i.e. 2.4 times superior to Pt alone. This enhanced catalytic activity was confirmed in a self-breathing PEMFC with a power output of 45.16 mW cm−2, which corresponds to a 1.4-fold increase compared to Pt alone. This is a significant improvement because 40% more power was obtained with 22% less Pt.
Graphical Abstract
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Moreira TFM, Andrade AR, Kokoh KB, Morais C, Napporn TW, Olivi P. An FTIR study of the electrooxidation of C2 and C3 alcohols on carbon‐supported PdxRhy in alkaline medium. ChemElectroChem 2022. [DOI: 10.1002/celc.202200205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | | | | | - Claudia Morais
- University of Poitiers: Universite de Poitiers Chemistry FRANCE
| | - Teko Wilhelmin Napporn
- Universite de Poitiers Chemistry IC2MP UMR 7285 CNRSUniversite de Poitiers4, rue Michel Brunet B27 TSA 51106 86073 Poitiers FRANCE
| | - Paulo Olivi
- University of Sao Paulo: Universidade de Sao Paulo FFCLRP BRAZIL
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Diel JC, Franco DSP, Igansi AV, Cadaval TRS, Pereira HA, Nunes IDS, Basso CW, Alves MDCM, Morais J, Pinto D, Dotto GL. Green synthesis of carbon nanotubes impregnated with metallic nanoparticles: Characterization and application in glyphosate adsorption. CHEMOSPHERE 2021; 283:131193. [PMID: 34139444 DOI: 10.1016/j.chemosphere.2021.131193] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 06/04/2021] [Accepted: 06/07/2021] [Indexed: 06/12/2023]
Abstract
In the present work, multi-walled carbon nanotubes (MWCNTs) were used as support material for the impregnation of metallic nanoparticles (MNPs) produced by green synthesis. The influences of the plant extracts (pomegranate (Punica Granatum), Eucalyptus, and pecan (Carya illinoinensis, leaves), metal species (copper and iron), metallic concentrations, and type of functionalization (OH and COOH) on the characteristics of the obtained materials were studied. The precursor and impregnated MWCNTs were characterized through X-ray diffraction, Fourier transformed infrared spectroscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, point of charge, N2 adsorption/desorption isotherms and, X-ray photoelectron spectroscopy. All the synthesized materials were tested as adsorbents to remove glyphosate (GLY) in an aqueous medium. The MWCNTs were resistant to withstand the synthesis process, preserving its structure and morphological characteristics. The copper and iron on the surface of MWCNTS confirm the successful synthesis and impregnation of the MNPs. The MWCNTs impregnated with high metallic concentrations showed favorable adsorption of GLY. The adsorption capacity and percentage of removal were 21.17 mg g-1 and 84.08%, respectively, for the MWCNTs impregnated with iron MNPs using the pecan leaves as a reducing agent. The results indicated that an advanced adsorbent for GLY could be obtained by green synthesis, using MWCNTs as precursors and pecan leaves as a reducing agent.
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Affiliation(s)
- Júlia C Diel
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, Brazil.
| | - Dison S P Franco
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, Brazil.
| | - Andrei V Igansi
- School of Chemistry and Food, Federal University of Rio Grande-FURG, Brazil.
| | - Tito R S Cadaval
- School of Chemistry and Food, Federal University of Rio Grande-FURG, Brazil.
| | | | - Isaac Dos S Nunes
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, Brazil.
| | - Charles W Basso
- Institute of Physics, Federal University of Rio Grande do Sul-UFRGS, Brazil.
| | | | - Jonder Morais
- Institute of Physics, Federal University of Rio Grande do Sul-UFRGS, Brazil.
| | - Diana Pinto
- Department of Civil and Environmental, Universidad de la Costa, Colombia; Facultad de Ingeniería y Arquitectura, Universidad de Lima, Peru.
| | - Guilherme L Dotto
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, Brazil; Chemical Department, Federal University of Santa Maria-UFSM, Brazil.
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Carbon-Supported Trimetallic Catalysts (PdAuNi/C) for Borohydride Oxidation Reaction. NANOMATERIALS 2021; 11:nano11061441. [PMID: 34072530 PMCID: PMC8228588 DOI: 10.3390/nano11061441] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/23/2021] [Accepted: 05/24/2021] [Indexed: 12/03/2022]
Abstract
The synthesis of palladium-based trimetallic catalysts via a facile and scalable synthesis procedure was shown to yield highly promising materials for borohydride-based fuel cells, which are attractive for use in compact environments. This, thereby, provides a route to more environmentally friendly energy storage and generation systems. Carbon-supported trimetallic catalysts were herein prepared by three different routes: using a NaBH4-ethylene glycol complex (PdAuNi/CSBEG), a NaBH4-2-propanol complex (PdAuNi/CSBIPA), and a three-step route (PdAuNi/C3-step). Notably, PdAuNi/CSBIPA yielded highly dispersed trimetallic alloy particles, as determined by XRD, EDX, ICP-OES, XPS, and TEM. The activity of the catalysts for borohydride oxidation reaction was assessed by cyclic voltammetry and RDE-based procedures, with results referenced to a Pd/C catalyst. A number of exchanged electrons close to eight was obtained for PdAuNi/C3-step and PdAuNi/CSBIPA (7.4 and 7.1, respectively), while the others, PdAuNi/CSBEG and Pd/CSBIPA, presented lower values, 2.8 and 1.2, respectively. A direct borohydride-peroxide fuel cell employing PdAuNi/CSBIPA catalyst in the anode attained a power density of 47.5 mW cm−2 at room temperature, while the elevation of temperature to 75 °C led to an approximately four-fold increase in power density to 175 mW cm−2. Trimetallic catalysts prepared via this synthesis route have significant potential for future development.
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Recent developments of supported and magnetic nanocatalysts for organic transformations: an up-to-date review. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-01888-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Lüsi M, Erikson H, Treshchalov A, Rähn M, Merisalu M, Kikas A, Kisand V, Sammelselg V, Tammeveski K. Oxygen reduction reaction on Pd nanocatalysts prepared by plasma-assisted synthesis on different carbon nanomaterials. NANOTECHNOLOGY 2021; 32:035401. [PMID: 33002885 DOI: 10.1088/1361-6528/abbd6f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this work He/H2 plasma jet treatment was used to reduce Pd ions in the aqueous solution with simultaneous deposition of created Pd nanoparticles to support materials. Graphene oxide (GO) and nitrogen-doped graphene oxide (NrGO) were both co-reduced with the Pd ions to formulate catalyst materials. Pd catalyst was also deposited on the surface of carbon black. The prepared catalyst materials were physically characterized using transmission electron microscopy, scanning electron microscopy and x-ray photoelectron spectroscopy. The plasma jet method yielded good dispersion of small Pd particles with average sizes of particles being: Pd/rGO 2.9 ± 0.6 nm, Pd/NrGO 2.3 ± 0.5 nm and Pd/Vulcan 2.8 ± 0.6 nm. The electrochemical oxygen reduction reaction (ORR) kinetics was explored using the rotating disk electrode method. Pd catalyst deposited on nitrogen-doped graphene material showed slightly improved ORR activity as compared to that on the nondoped substrate, however Vulcan carbon-supported Pd catalyst exhibited a higher specific activity for oxygen electroreduction.
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Affiliation(s)
- Madis Lüsi
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
| | - Heiki Erikson
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
| | - Alexey Treshchalov
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Mihkel Rähn
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Maido Merisalu
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Arvo Kikas
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Vambola Kisand
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Väino Sammelselg
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
- Institute of Physics, University of Tartu, W. Ostwald Str. 1, 50411 Tartu, Estonia
| | - Kaido Tammeveski
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia
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Cavalcante Lima C, Silva Fonseca W, Colmati F, Ribeiro LK, Carvalho França M, Longo E, Suller Garcia MA, Atsushi Tanaka A. Enhancing the methanol tolerance of ultrasmall platinum nanoparticles and manganese oxide onto carbon for direct methanol fuel cell: The importance of the synthesis procedure. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.137256] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Messa Moreira TF, Neto SA, Lemoine C, Kokoh KB, Morais C, Napporn TW, Olivi P. Rhodium effects on Pt anode materials in a direct alkaline ethanol fuel cell. RSC Adv 2020; 10:35310-35317. [PMID: 35515668 PMCID: PMC9056937 DOI: 10.1039/d0ra06570f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 09/17/2020] [Indexed: 12/04/2022] Open
Abstract
The development of efficient catalysts for ethanol oxidation in alkaline medium requires a synthetic approach that may prevent the surfactant molecules from being adsorbed at the catalytic sites and decreasing the electrochemical performance of the final direct ethanol fuel cell. Toward this goal, the recently reported surfactant-less Bromide Anion Exchange (BAE) method, appears as a promising route to conveniently aim at preparing PtRh alloys dispersed on carbon substrates. The catalysts prepared herein by the BAE method were characterized physicochemically to obtain structural information on the PtRh/C nanomaterials, their morphology (size and shape), and their chemical and surface composition. Electrochemical behavior and properties of these electrodes were then investigated in a half-cell before the implementation of a direct ethanol fuel cell (DEFC) in a home-made anion exchange membrane Teflon cell. The analysis of the electrolytic solution in the anodic compartment by chromatography revealed that acetate was the major reaction product and the carbonate amount increased with the Rh content in the bimetallic composition. With 2.8–3.6 nm particle sizes, the Pt50Rh50/C catalyst exhibited the highest activity towards the ethanol electrooxidation. The development of efficient catalysts for ethanol oxidation in alkaline medium requires an approach that avoids surfactant molecules from being adsorbed at active sites and decreasing the electrochemical performance of the direct ethanol fuel cell.![]()
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Affiliation(s)
- Thamyres Fernandes Messa Moreira
- Laboratório de Eletroquímica e Eletrocatálise Ambiental, Departamento de Química da Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo Av. Bandeirantes, 3900 14040-901 Ribeirão Preto SP Brazil .,Université de Poitiers, IC2MP UMR 7285 CNRS 4, Rue Michel Brunet, B27, TSA 51106 86073 Poitiers Cedex 09 France
| | - Sidney Aquino Neto
- Laboratório de Eletroquímica e Eletrocatálise Ambiental, Departamento de Química da Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo Av. Bandeirantes, 3900 14040-901 Ribeirão Preto SP Brazil
| | - Charly Lemoine
- Université de Poitiers, IC2MP UMR 7285 CNRS 4, Rue Michel Brunet, B27, TSA 51106 86073 Poitiers Cedex 09 France
| | - Kouakou Boniface Kokoh
- Université de Poitiers, IC2MP UMR 7285 CNRS 4, Rue Michel Brunet, B27, TSA 51106 86073 Poitiers Cedex 09 France
| | - Cláudia Morais
- Université de Poitiers, IC2MP UMR 7285 CNRS 4, Rue Michel Brunet, B27, TSA 51106 86073 Poitiers Cedex 09 France
| | - Teko Wilhelmin Napporn
- Université de Poitiers, IC2MP UMR 7285 CNRS 4, Rue Michel Brunet, B27, TSA 51106 86073 Poitiers Cedex 09 France
| | - Paulo Olivi
- Laboratório de Eletroquímica e Eletrocatálise Ambiental, Departamento de Química da Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo Av. Bandeirantes, 3900 14040-901 Ribeirão Preto SP Brazil
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Yáñez-Sedeño P, Pedrero M, Campuzano S, Pingarrón JM. Electrocatalytic (bio)platforms for the determination of tetracyclines. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04644-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Dhanasekaran P, Lokesh K, Ojha PK, Sahu AK, Bhat SD, Kalpana D. Electrochemical deposition of three-dimensional platinum nanoflowers for high-performance polymer electrolyte fuel cells. J Colloid Interface Sci 2020; 572:198-206. [PMID: 32244080 DOI: 10.1016/j.jcis.2020.03.078] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 03/18/2020] [Accepted: 03/22/2020] [Indexed: 10/24/2022]
Abstract
In the present work, the three-dimensional ultra-fine platinum nanoflowers are directly deposited on carbon-coated gas diffusion layer electrode (C-GDL) by a single-step electrodeposition method towards the application of polymer electrolyte fuel cells. The surface morphology, particle size distribution, crystallinity, and chemical oxidation state of platinum nanoflowers are examined using various techniques. The morphological features of the Pt nanostructures are highly influenced by the difference in current density. Notabely, the Pt nanospheres converts into three-dimensional nanoflower with an increase in current density from -1.6 to -32 mA cm-2. Electrodeposited Pt catalyst on C-GDL as the cathode catalyst was fabricated and steady-state polarization studies were carried out. Mainly, the fuel cell performance is analysed considering the electrodeposited Pt morphology. Among the prepared electrocatalysts, the nanoflower shaped Pt catalyst exhibit a high peak power density of 660 mW cm-2 at 0.6 V in PEFC.
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Affiliation(s)
- P Dhanasekaran
- CSIR-Central Electrochemical Research Institute - Madras Unit, CSIR-Madras Complex, Chennai 600 113, Tamil Nadu, India
| | - K Lokesh
- CSIR-Central Electrochemical Research Institute - Madras Unit, CSIR-Madras Complex, Chennai 600 113, Tamil Nadu, India
| | - P K Ojha
- Naval Materials Research Laboratory, Addl Ambernath, Thane 421506, Maharashtra, India
| | - A K Sahu
- CSIR-Central Electrochemical Research Institute - Madras Unit, CSIR-Madras Complex, Chennai 600 113, Tamil Nadu, India
| | - S D Bhat
- CSIR-Central Electrochemical Research Institute - Madras Unit, CSIR-Madras Complex, Chennai 600 113, Tamil Nadu, India.
| | - D Kalpana
- CSIR-Central Electrochemical Research Institute - Madras Unit, CSIR-Madras Complex, Chennai 600 113, Tamil Nadu, India.
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Lemoine C, Dubois L, Napporn TW, Servat K, Kokoh KB. Electrochemical Energy Conversion from Direct Oxidation of Glucose on Active Electrode Materials. Electrocatalysis (N Y) 2019. [DOI: 10.1007/s12678-019-00570-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Crisafulli R, de Lino Amorim FM, de Oliveira Marcionilio SM, Mendes Cunha W, S. de Araújo BR, Dias JA, Linares JJ. Electrochemistry for biofuels waste valorization: Vinasse as a reducing agent for Pt/C and its application to the electrolysis of glycerin and vinasse. Electrochem commun 2019. [DOI: 10.1016/j.elecom.2019.03.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Quinson J, Kacenauskaite L, Bucher J, Simonsen SB, Theil Kuhn L, Oezaslan M, Kunz S, Arenz M. Controlled Synthesis of Surfactant-Free Water-Dispersible Colloidal Platinum Nanoparticles by the Co4Cat Process. CHEMSUSCHEM 2019; 12:1229-1239. [PMID: 30673164 DOI: 10.1002/cssc.201802897] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 01/14/2019] [Indexed: 06/09/2023]
Abstract
The recently reported Co4Cat process is a synthesis method bearing ecological and economic benefits to prepare precious-metal nanoparticles (NPs) with optimized catalytic properties. In the Co4Cat process, a metal precursor (e.g., H2 PtCl6 ) is dissolved in an alkaline solution of a low-boiling-point solvent (methanol) and reduced to NPs at low temperature (<80 °C) without the use of surfactants. Here, the Co4Cat process to prepare Pt NPs is described in detail. The advantages of this new synthesis method for research and development but also industrial production are highlighted in a comparison with the popular "polyol" synthesis. The reduction of H2 PtCl6 from PtIV to PtII and further to Pt0 is followed by UV/Vis and XANES/EXAFS measurements. It is demonstrated how the synthesis can be accelerated, how size control is achieved, and how the colloidal dispersions can be stabilized without the use of surfactants. Despite being surfactant-free, the Pt NPs exhibit surprisingly long-term (up to 16 months) stability in water over a wide pH range (4-12) and in aqueous buffer solutions. The Co4Cat process is thus relevant to produce NPs for heterogeneous catalysis, electro-catalysis, or bio/medical applications.
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Affiliation(s)
- Jonathan Quinson
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
| | - Laura Kacenauskaite
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
| | - Jan Bucher
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Søren B Simonsen
- Imaging and Structural Analysis, Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399, 4000, Roskilde, Denmark
| | - Luise Theil Kuhn
- Imaging and Structural Analysis, Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399, 4000, Roskilde, Denmark
| | - Mehtap Oezaslan
- School of Mathematics and Science, Department of Chemistry, Carl von Ossietzky Universität Oldenburg, 26111, Oldenburg, Germany
| | - Sebastian Kunz
- Institute for Applied and Physical Chemistry, University of Bremen, Leobenerstraße, 28359, Bremen, Germany
| | - Matthias Arenz
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
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19
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Itoi H, Tachikawa T, Suzuki R, Hasegawa H, Iwata H, Ohzawa Y, Beniya A, Higashi S. A dry chemical method for dispersing Ir nanoparticles in the pores of activated carbon and their X-ray absorption spectroscopy analysis. NEW J CHEM 2019. [DOI: 10.1039/c9nj04659c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Ir nanoparticles are finely dispersed inside the pores of activated carbon (AC) via the gas phase adsorption of an organoiridium complex in the AC and subsequent heat treatment. X-ray absorption spectroscopy reveals the structure of the supported Ir.
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Affiliation(s)
- Hiroyuki Itoi
- Department of Applied Chemistry
- Aichi Institute of Technology
- Toyota 470-0392
- Japan
| | | | - Ryutaro Suzuki
- Department of Applied Chemistry
- Aichi Institute of Technology
- Toyota 470-0392
- Japan
| | - Hideyuki Hasegawa
- Department of Applied Chemistry
- Aichi Institute of Technology
- Toyota 470-0392
- Japan
| | - Hiroyuki Iwata
- Department of Electrical and Electronics Engineering
- Aichi Institute of Technology
- Toyota 470-0392
- Japan
| | - Yoshimi Ohzawa
- Department of Applied Chemistry
- Aichi Institute of Technology
- Toyota 470-0392
- Japan
| | - Atsushi Beniya
- Frontier Research-Domain
- Toyota Central R&D Labs
- Inc
- Nagakute
- Japan
| | - Shougo Higashi
- Frontier Research-Domain
- Toyota Central R&D Labs
- Inc
- Nagakute
- Japan
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20
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Xu L, Yang J. Size and shape-controlled synthesis of Ru nanocrystals. PHYSICAL SCIENCES REVIEWS 2018. [DOI: 10.1515/psr-2017-0080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractMastery over the size/shape of nanocrystals (NCs) enables control of their properties and enhancement of their usefulness for a given application. Within the past decades, the development of wet-chemistry methods leads to the blossom of research in noble metal nanomaterials with tunable sizes and shapes. We herein would prefer to devote this chapter to introduce the solution-based methods for size and shape-controlled synthesis of ruthenium (Ru) NCs, which can be summarized into five categories: (i) Synthesis of spherical Ru NCs; (ii) synthesis of one-dimensional (1D) Ru NCs, e.g. wires and rods; (iii) synthesis of two-dimensional (2D) Ru NCs, e.g. nanoplates; (iv) synthesis of Ru NCs with hollow interiors and (v) synthesis of Ru NCs with other morphologies, e.g. chains, dendrites and branches. We aim at highlighting the synthetic approaches and growth mechanisms of these types of Ru NCs. We also introduce the detailed characterization tools for analysis of Ru NCs with different sizes/shapes. With respect to the creation of great opportunities and tremendous challenges due to the accumulation in noble metal nanomaterials, we briefly make some perspectives for the future development of Ru NCs so as to provide the readers a systematic and coherent picture of this promising field. We hope this reviewing effort can provide for technical bases for effectively designing and producing Ru NCs with enhanced physical/chemical properties.Graphical Abstract:The solution-based methods for size and shape-controlled synthesis of ruthenium nanocrystals as well as the mechanisms behind them are extensively reviewed.
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21
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22
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Holade Y, Servat K, Tingry S, Napporn TW, Remita H, Cornu D, Kokoh KB. Advances in Electrocatalysis for Energy Conversion and Synthesis of Organic Molecules. Chemphyschem 2017; 18:2573-2605. [DOI: 10.1002/cphc.201700447] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 06/30/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Yaovi Holade
- Institut Européen des Membranes, IEM UMR 5635, CNRS-UM-ENSCM Place Eugène Bataillon 34095 Montpellier Cedex 5 France
| | - Karine Servat
- Université de Poitiers, IC2MP UMR 7285 CNRS 4, rue Michel Brunet B-27, TSA 51106 86073 Poitiers Cedex 09 France
| | - Sophie Tingry
- Institut Européen des Membranes, IEM UMR 5635, CNRS-UM-ENSCM Place Eugène Bataillon 34095 Montpellier Cedex 5 France
| | - Teko W. Napporn
- Université de Poitiers, IC2MP UMR 7285 CNRS 4, rue Michel Brunet B-27, TSA 51106 86073 Poitiers Cedex 09 France
| | - Hynd Remita
- Université Paris-Sud, Université Paris SaclayLaboratoire de Chimie Physique, UMR 8000-CNRS, Bât. 349 91405 Orsay France
- CNRSLaboratoire de Chimie Physique, UMR 8000 91405 Orsay France
| | - David Cornu
- Institut Européen des Membranes, IEM UMR 5635, CNRS-UM-ENSCM Place Eugène Bataillon 34095 Montpellier Cedex 5 France
| | - K. Boniface Kokoh
- Université de Poitiers, IC2MP UMR 7285 CNRS 4, rue Michel Brunet B-27, TSA 51106 86073 Poitiers Cedex 09 France
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23
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Pt–Pd and Pt–Pd–(Cu or Fe or Co)/graphene nanoribbon nanocomposites as efficient catalysts toward the oxygen reduction reaction. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.06.160] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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24
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Jiang J, Soo Lim Y, Park S, Kim SH, Yoon S, Piao L. Hollow porous Cu particles from silica-encapsulated Cu 2O nanoparticle aggregates effectively catalyze 4-nitrophenol reduction. NANOSCALE 2017; 9:3873-3880. [PMID: 28256659 DOI: 10.1039/c6nr09934c] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A hollow metal micro/nanomaterial with a porous wall is one of the most attractive structures for catalysts. The synthesis of hollow porous Cu particles remains a challenge due to their air-sensitive characteristics. In this study, we report a facile and scalable method for the preparation of high-quality hollow porous Cu particles in the range of 500 nm-1.5 μm with a well-defined structure from Cu2O nanoparticle aggregates (NPAs). The synthetic procedure involves the silica-encapsulation and depth-controlled reduction of Cu2O NPAs followed by heat-treatment in air and selective removal of the encapsulating layer. The catalytic performance of the hollow porous Cu particles was evaluated through the catalytic reduction of 4-nitrophenol with NaBH4 as a model reaction. The hollow porous Cu particles exhibited a high activity factor, K = 186 s-1 g-1, which is the highest K value obtained among the unsupported Cu catalysts to date. And the K value is better than that of some noble metal catalysts, such as Au, Ag, and Pd. In addition, the catalyst could be easily separated from the reaction system and still possessed high activity as well as stability in recycled reactions.
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Affiliation(s)
- Jianwei Jiang
- Department of Bio & Nano Chemistry, Kookmin University, 861-1, Jeongneung-dong, Seongbuk-gu, Seoul 136-702, Korea.
| | - Young Soo Lim
- Department of Materials System Engineering, Pukyong National University, 365 Sinseon-ro, Nam-gu, Busan 48547, Korea
| | - Sanghyuk Park
- Department of Chemistry, Kongju National University, Chungnam 314-701, Korea.
| | - Sang-Ho Kim
- Department of Chemistry, Kongju National University, Chungnam 314-701, Korea.
| | - Sungho Yoon
- Department of Bio & Nano Chemistry, Kookmin University, 861-1, Jeongneung-dong, Seongbuk-gu, Seoul 136-702, Korea.
| | - Longhai Piao
- Department of Chemistry, Kongju National University, Chungnam 314-701, Korea.
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25
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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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26
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Nanostructured Inorganic Materials at Work in Electrochemical Sensing and Biofuel Cells. Catalysts 2017. [DOI: 10.3390/catal7010031] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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27
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The New Graphene Family Materials: Synthesis and Applications in Oxygen Reduction Reaction. Catalysts 2016. [DOI: 10.3390/catal7010001] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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28
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Sirirak R, Jarulertwathana B, Laokawee V, Susingrat W, Sarakonsri T. FeNi alloy supported on nitrogen-doped graphene catalysts by polyol process for oxygen reduction reaction (ORR) in proton exchange membrane fuel cell (PEMFC) cathode. RESEARCH ON CHEMICAL INTERMEDIATES 2016. [DOI: 10.1007/s11164-016-2802-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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29
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Han SB, Kwak DH, Park HS, Choi IA, Park JY, Ma KB, Won JE, Kim DH, Kim SJ, Kim MC, Park KW. Chemically Regenerative Redox Fuel Cells Using Iron Redox Couples as a Liquid Catalyst with Cocatalysts. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01388] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sang-Beom Han
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Da-Hee Kwak
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Hyun Suk Park
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - In-Ae Choi
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Jin-Young Park
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Kyeng-Bae Ma
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Ji-Eun Won
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Do-Hyoung Kim
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Si-Jin Kim
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Min-Cheol Kim
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
| | - Kyung-Won Park
- Department
of Chemical Engineering, Soongsil University, Seoul 156743, Republic of Korea
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30
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Navlani-García M, Mori K, Nozaki A, Kuwahara Y, Yamashita H. Investigation of Size Sensitivity in the Hydrogen Production from Formic Acid over Carbon-Supported Pd Nanoparticles. ChemistrySelect 2016. [DOI: 10.1002/slct.201600559] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Miriam Navlani-García
- Division of Materials and Manufacturing Science; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka Suita Japan
| | - Kohsuke Mori
- Division of Materials and Manufacturing Science; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka Suita Japan
- Unit of Elements Strategy Initiative for Catalysts & Batteries; Kyoto University; Katsura Kyoto 615-8520 Japan
- PRESTO; JST; Honcho; Kawaguchi; Saitama 332-0012 Japan
| | - Ai Nozaki
- Division of Materials and Manufacturing Science; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka Suita Japan
| | - Yasutaka Kuwahara
- Division of Materials and Manufacturing Science; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka Suita Japan
- Unit of Elements Strategy Initiative for Catalysts & Batteries; Kyoto University; Katsura Kyoto 615-8520 Japan
| | - Hiromi Yamashita
- Division of Materials and Manufacturing Science; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka Suita Japan
- Unit of Elements Strategy Initiative for Catalysts & Batteries; Kyoto University; Katsura Kyoto 615-8520 Japan
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31
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Holade Y, Servat K, Napporn TW, Morais C, Berjeaud JM, Kokoh KB. Highly Selective Oxidation of Carbohydrates in an Efficient Electrochemical Energy Converter: Cogenerating Organic Electrosynthesis. CHEMSUSCHEM 2016; 9:252-263. [PMID: 26777210 DOI: 10.1002/cssc.201501593] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Indexed: 06/05/2023]
Abstract
The selective electrochemical conversion of highly functionalized organic molecules into electricity, heat, and added-value chemicals for fine chemistry requires the development of highly selective, durable, and low-cost catalysts. Here, we propose an approach to make catalysts that can convert carbohydrates into chemicals selectively and produce electrical power and recoverable heat. A 100% Faradaic yield was achieved for the selective oxidation of the anomeric carbon of glucose and its related carbohydrates (C1-position) without any function protection. Furthermore, the direct glucose fuel cell (DGFC) enables an open-circuit voltage of 1.1 V in 0.5 m NaOH to be reached, a record. The optimized DGFC delivers an outstanding output power Pmax =2 mW cm(-2) with the selective conversion of 0.3 m glucose, which is of great interest for cogeneration. The purified reaction product will serve as a raw material in various industries, which thereby reduces the cost of the whole sustainable process.
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Affiliation(s)
- Yaovi Holade
- Department of Chemistry, IC2MP CNRS UMR 7285, Université de Poitiers, 4 rue Michel Brunet - B27, TSA 51106, 86073, Cedex 9, France
| | - Karine Servat
- Department of Chemistry, IC2MP CNRS UMR 7285, Université de Poitiers, 4 rue Michel Brunet - B27, TSA 51106, 86073, Cedex 9, France
| | - Teko W Napporn
- Department of Chemistry, IC2MP CNRS UMR 7285, Université de Poitiers, 4 rue Michel Brunet - B27, TSA 51106, 86073, Cedex 9, France
| | - Cláudia Morais
- Department of Chemistry, IC2MP CNRS UMR 7285, Université de Poitiers, 4 rue Michel Brunet - B27, TSA 51106, 86073, Cedex 9, France
| | - Jean-Marc Berjeaud
- EBI UMR 7267 CNRS, Université de Poitiers, 1 rue Georges Bonnet, B36/37, TSA 51106, 86073, Poitiers cedex 09, France
| | - Kouakou B Kokoh
- Department of Chemistry, IC2MP CNRS UMR 7285, Université de Poitiers, 4 rue Michel Brunet - B27, TSA 51106, 86073, Cedex 9, France.
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32
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33
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Shaikh A, Parida S. Facile sonochemical synthesis of highly dispersed ultrafine Pd nanoparticle decorated carbon nano-onions with high metal loading and enhanced electrocatalytic activity. RSC Adv 2016. [DOI: 10.1039/c6ra18190b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Highly dispersed, ultrafine Pd nanoparticle decorated carbon nano-onions (CNO) were prepared by a facile, one-step sonochemical method.
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Affiliation(s)
- Aasiya Shaikh
- Department of Metallurgical Engineering and Materials Science
- I.I.T. Bombay
- Mumbai
- India-400076
| | - Smrutiranjan Parida
- Department of Metallurgical Engineering and Materials Science
- I.I.T. Bombay
- Mumbai
- India-400076
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34
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35
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Navlani-García M, Mori K, Wen M, Kuwahara Y, Yamashita H. Size Effect of Carbon-Supported Pd Nanoparticles in the Hydrogen Production from Formic Acid. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20150223] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Miriam Navlani-García
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
| | - Kohsuke Mori
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
- Unit of Elements Strategy Initiative for Catalysts and Batteries, Kyoto University
| | - Meicheng Wen
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
| | - Yasutaka Kuwahara
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
- Unit of Elements Strategy Initiative for Catalysts and Batteries, Kyoto University
| | - Hiromi Yamashita
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
- Unit of Elements Strategy Initiative for Catalysts and Batteries, Kyoto University
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36
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Hebié S, Bayo-Bangoura M, Bayo K, Servat K, Morais C, Napporn TW, Boniface Kokoh K. Electrocatalytic activity of carbon-supported metallophthalocyanine catalysts toward oxygen reduction reaction in alkaline solution. J Solid State Electrochem 2015. [DOI: 10.1007/s10008-015-2932-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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37
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Phosphorus and Nitrogen Dual Doped and Simultaneously Reduced Graphene Oxide with High Surface Area as Efficient Metal-Free Electrocatalyst for Oxygen Reduction. Catalysts 2015. [DOI: 10.3390/catal5020981] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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