An efficient reduction route for the production of Pd–Pt nanoparticles anchored on graphene nanosheets for use as durable oxygen reduction electrocatalysts

He, Wei; Jiang, Huijun; Zhou, Yi; Yang, Sudong; Xue, Xinzhong; Zou, Zhiqing; Zhang, Xiaogang; Akins, Daniel L.; Yang, Hui

doi:10.1016/j.carbon.2011.08.044

Cited by 169 publications

(82 citation statements)

References 50 publications

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“…Poisoning of the electrocatalysts with intermediate species produced during alcohol oxidation reaction influences their long-term performance. The resistance of the electrocatalysts to COad-poisoning has been evaluated by various stability and durability tests such as repetitive potential cycling, change in the CV profile after many cycles [66][67][68], potential holding method [69] and potential step method [70]. In this work, to evaluate the long-term stability of PtNPs/Ni-Al LDH/GCE for methanol oxidation, the forward anodic peak current density was followed over 200 successive cycles at a scan rate of 50 mV s -1 in NaOH solution containing 0.25 M methanol (1 st , 25 th and 50 th cycles was shown in inset of Figure 9.…”

Section: Stability Characterizationmentioning

confidence: 99%

Electrosynthesized Ni-Al Layered Double Hydroxide-Pt Nanoparticles as an Inorganic Nanocomposite and Potentate Anodic Material for Methanol Electrooxidation in Alkaline Media

Habibi

Ghaderi

2016

Bull. Chem. React. Eng. Catal.

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In this study, Ni-Al layered double hydroxide (LDH)-Pt nanoparticles (PtNPs) as an inorganic nanocomposite was electrosynthesized on the glassy carbon electrode (GCE) by a facile and fast two-step electrochemical process. Structure and physicochemical properties of PtNPs/Ni-Al LDH/GCE were characterized by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectrometry and electrochemical methods. Then, electrocatalytic and stability characterizations of the PtNPs/Ni-Al LDH/GCE for methanol oxidation in alkaline media were investigated in detail by cyclic voltammetry, chronoamperometry, and chronopotentiometry measurements. PtNPs/Ni-Al LDH/GCE exhibited higher electrocatalytic activity than PtNPs/GCE and Ni-Al LDH/GCE. Also, the resulted chronoamperograms indicated that the PtNPs/Ni-Al LDH/GCE has a better stability.

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Section: Stability Characterizationmentioning

confidence: 99%

Electrosynthesized Ni-Al Layered Double Hydroxide-Pt Nanoparticles as an Inorganic Nanocomposite and Potentate Anodic Material for Methanol Electrooxidation in Alkaline Media

Habibi

Ghaderi

2016

Bull. Chem. React. Eng. Catal.

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“…Graphene and its derivatives have recently emerged as a qualified candidates in this regard, with more and more reports on graphene-supported Pt NPs that demonstrate enhanced ORR activity and stability. [81]. This approach displayed uniform dispersion of ca.…”

Section: Graphene As Pt-based Electrocatalyst Supportmentioning

confidence: 96%

A Roadmap for Achieving Sustainable Energy Conversion and Storage: Graphene-Based Composites Used Both as an Electrocatalyst for Oxygen Reduction Reactions and an Electrode Material for a Supercapacitor

et al. 2018

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Based on its unique features including 2D planar geometry, high specific surface area and electron conductivity, graphene has been intensively studied as oxygen reduction reaction (ORR) electrocatalyst and supercapacitor material. On the one hand, graphene possesses standalone electrocatalytic activity. It can also provide a good support for combining with other materials to generate graphene-based electrocatalysts, where the catalyst-support structure improves the stability and performance of electrocatalysts for ORR. On the other hand, graphene itself and its derivatives demonstrate a promising electrochemical capability as supercapacitors including electric double-layer capacitors (EDLCs) and pseudosupercapacitors. A hybrid supercapacitor (HS) is underlined and the advantages are elaborated. Graphene endows many materials that are capable of faradaic redox reactions with an outstanding pseudocapacitance behavior. In addition, the characteristics of graphene-based composite are also utilized in many respects to provide a porous 3D structure, formulate a novel supercapacitor with innovative design, and construct a flexible and tailorable device. In this review, we will present an overview of the use of graphene-based composites for sustainable energy conversion and storage.

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“…Typically, 20 mL of PDDA-modified GO (1 mg mL −1 ) [28,29] was dispersed in 80 mL of EG and sonicated for 5 min. Then 4 mL K2PdCl4 (0.1 mol L −1 ) was added.…”

Section: Preparation Of Pd/uo2/go Hybridsmentioning

confidence: 99%

“…It is known that the reduction of 4-nitrophenol with NaBH4 follows the model of Langmuir Hinshelwood, that is, both reactants are adsorbed onto the surface to react [29,30]. Conventionally, Pd is regarded as the catalytic site to react with BH 4 by accepting electrons which transfer to 4-nitrophenol subsequently.…”

Section: Catalytic Activities For 4-nitrophenol Reductionmentioning

confidence: 99%

二氧化铀-钯-石墨烯纳米复合材料的合成及其催化4-硝基苯酚还原反应的研究

Ding

Zhang

2017

Sci. China Mater.

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Urania-palladium-graphene nanohybrids were synthesized via a solvothermal process in ethylene glycol. With the solvothermal treatment, the Pd nanocrystals surrounded by well-crystallized urania supported on graphene oxide was obtained. This ternary hybrid showed considerably higher catalytic activity than palladium-graphene hybrids toward the reduction of 4-nitrophenol by NaBH4. Besides the smaller sizes of palladium nanoparticles in the ternary hybrids, in which the aggregation of Pd nanoparticles was prevented by urania, the charge transfer between the nano-structured Pd and urania may also contribute to the enhancement of catalytic activity by offering more active sites for adsorption and reaction.

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An efficient reduction route for the production of Pd–Pt nanoparticles anchored on graphene nanosheets for use as durable oxygen reduction electrocatalysts

Cited by 169 publications

References 50 publications

Electrosynthesized Ni-Al Layered Double Hydroxide-Pt Nanoparticles as an Inorganic Nanocomposite and Potentate Anodic Material for Methanol Electrooxidation in Alkaline Media

Electrosynthesized Ni-Al Layered Double Hydroxide-Pt Nanoparticles as an Inorganic Nanocomposite and Potentate Anodic Material for Methanol Electrooxidation in Alkaline Media

A Roadmap for Achieving Sustainable Energy Conversion and Storage: Graphene-Based Composites Used Both as an Electrocatalyst for Oxygen Reduction Reactions and an Electrode Material for a Supercapacitor

二氧化铀-钯-石墨烯纳米复合材料的合成及其催化4-硝基苯酚还原反应的研究

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