Anchoring ternary CuFePd nanocatalysts on reduced graphene oxide to improve the electrocatalytic activity for the methanol oxidation reaction

Zhang, Xuan; Zhang, Yichi; Zhang, Jiawei; Zhang, Bei

doi:10.1039/c5ra19044d

Cited by 12 publications

(8 citation statements)

References 52 publications

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“…Similar to Pt-based catalysts, ternary and quaternary catalysts are also investigated in Pd-based catalyst system, including CuFePd/RGO nanocatalysts, [146] NiCoPd nanocatalyst, [147] and CuO/TiO 2 /Pd-NiO composites, [148] which can further improve the MOR performance of Pd-based catalysts. In particular, nanoporous CuO/TiO 2 /Pd-NiO-3 catalysts were fabricated by Zhu and co-workers and exhibited a great enhancement in the MOR electrocatalytic performance and an excellent poison resistance.…”

Section: Pd-based Noble Metal Catalystsmentioning

confidence: 99%

Metal‐Based Electrocatalysts for Methanol Electro‐Oxidation: Progress, Opportunities, and Challenges

Tong

Yan

Liang

et al. 2019

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Direct methanol fuel cells (DMFCs) are among the most promising portable power supplies because of their unique advantages, including high energy density/mobility of liquid fuels, This article is protected by copyright. All rights reserved. 2 low working temperature, and low emission of pollutants. Various metal-based anode catalysts have been extensively studied and utilized for the essential methanol oxidation reaction (MOR), due to their superior electrocatalytic performance. At present, especially with the rapid advance of nanotechnology, enormous efforts have been exerted to further enhancing the catalytic performance and minimizing the use of precious metals. Constructing multicomponent metal-based nanocatalysts with precisely designed structures can achieve this goal by providing highly tunable compositional and structural characteristics, which is promising for the modification and optimization of their related electrochemical properties. The recent advances of the metal-based electrocatalytic materials with rationally designed nanostructures and chemistries for MOR in DMFCs are highlighted and summarized herein. The effects of the well-defined nanoarchitectures on the improved electrochemical properties of the catalysts are illustrated. Finally, conclusive perspectives are provided on the opportunities and challenges for further refining the nanostructure of the metal-based catalysts and improving the electrocatalytic performance, as well as the commercial viability.

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Section: Pd-based Noble Metal Catalystsmentioning

confidence: 99%

Metal‐Based Electrocatalysts for Methanol Electro‐Oxidation: Progress, Opportunities, and Challenges

Tong

Yan

Liang

et al. 2019

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153

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“…Pd-based electrocatalysts are known to achieve better alcohol electrocatalytic oxidation activity than Pt-based ones. [3][4][5][6] Moreover, the incorporation between one or multiple transition metals and Pd to design carbon-supported Pd-based bimetallic-alloy [7][8][9][10][11][12][13][14] and trimetallicalloy [15][16][17][18][19] catalysts or surface modification of Pd-based catalyst, such as PdCu@C [12,20,21], PdCo@C [7,22,23], PdAg@C [10], and PdNi@C [8,24], not only promotes the electrochemical activity and stability but also proposes an efficient way to reduce cost at the same time due to their adjusted d-band electronic structure and surface atom rearrangement. [19,25,26] Rostami and coworkers [27] reported the enhancement of ethanol electrooxidation of ternary PdCuNi catalyst when Ni was incorporated; the addition of Ni accelerated the removal of adsorbed carbonaceous intermediate species during ethanol oxidation.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Carbon-Supported Ternary Nanocatalysts Palladium-Vanadium-Cobalt for Alcohol Electrooxidation

Pham

et al. 2020

Journal of Chemistry

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Carbon-supported nanocatalysts palladium-vanadium-cobalt (PdVCo) were synthesized via ethylene glycol (EG) reduction reaction and NaBH4-assisted reduction. The electrocatalytic performance for alcohol oxidation in alkaline solutions was investigated. The XRD and EDX results confirmed the incorporation of V and Co with Pd lattice to form the ternary nanocatalysts PdVCo in a single phase. The NaBH4-assisted EG reduction process exhibited highly dispersed nanoparticles with a uniform size, and the electrochemical surface area (ECSA) determined by cyclic voltammetry in 1 M KOH was also superior. In electrocatalysis performance, the cyclic voltammetry (CV) and chronoamperometry (CA) results presented an excellent electrocatalytic activity and stability of the PdVCo-20EG-20NaBH4 sample in the alcohol electrooxidation as compared to other synthesized samples with the steady current of 52 mA/cm2 and 21.9 mA/cm2 in methanol and ethanol, respectively.

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“…25 Zhang and co-workers reported the synthesis of superior CuFePd electrocatalyst by one-pot reduction. 6 On the other aspect, hollow metal nanostructures have attracted a great deal of attention because of the increased surface area and cost savings of the material. 26−29 For example, Wang and co-workers employed direct galvanic displacement to synthesize ternary PdRuCo hollow nanocrystals, which showed eminent activity and stability for polyhydric alcohol oxidation reactions in alkaline medium.…”

Section: Introductionmentioning

confidence: 99%

“…Direct ethanol fuel cells (DEFCs) have been regarded as an ideal choice for the development of new-generation mobile power, owing to their environmental friendliness, high efficiency, near ambient temperature operation, low emission, as well as abundant fuel sources. − Pt has been deemed as the most effective catalyst for oxygen reduction reaction and ethanol oxidation reaction (EOR), but it confronts the problem of prohibitive costs, limited reserves, and electrochemical instability, which severely hampers the commercialization of DEFCs. − Therefore, it calls for developing low-cost non-Pt catalysts with promising catalytic activity and durability.…”

Section: Introductionmentioning

confidence: 99%

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Hollow Echinus-like PdCuCo Alloy for Superior Efficient Catalysis of Ethanol

Shu

Shi

et al. 2018

ACS Appl. Mater. Interfaces

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Large-scale preparation of hollow echinus-like PdCuCo alloy nanostructures (HENSs) with a high surface area-to-volume ratio, rich active sites, and relatively efficient catalytic activity has attracted considerable research interest. Herein, we present an economic and facile approach to synthesize HENSs by galvanic exchange reactions using Co nanospheres as sacrificial templates. Moreover, the catalytic activity could be adjusted via changing the composition of the catalyst. The composition, morphology, and crystal structure of the as-obtained nanomaterials are characterized by various techniques, such as inductively coupled plasma atomic emission spectrometry, transmission electron microscopy, and X-ray diffraction. Electrochemical catalytic measurement results prove that the PdCuCo catalyst obtained under optimal preparation conditions exhibits 10-fold higher activity for ethanol oxidation in comparison with the commercially available 20% Pd/C catalyst. The eminent performance of the PdCuCo electrochemical catalyst could be ascribed to the peculiar echinus-like nanostructures.

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Anchoring ternary CuFePd nanocatalysts on reduced graphene oxide to improve the electrocatalytic activity for the methanol oxidation reaction

Abstract: A ternary CuFePd/rGO electrocatalyst was developed facilely, which exhibited improved performance compared to binary CuPd/rGO, FePd/rGO and Pd/rGO.

Cited by 12 publications

References 52 publications

Metal‐Based Electrocatalysts for Methanol Electro‐Oxidation: Progress, Opportunities, and Challenges

Metal‐Based Electrocatalysts for Methanol Electro‐Oxidation: Progress, Opportunities, and Challenges

Preparation of Carbon-Supported Ternary Nanocatalysts Palladium-Vanadium-Cobalt for Alcohol Electrooxidation

Hollow Echinus-like PdCuCo Alloy for Superior Efficient Catalysis of Ethanol

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