An advanced electrocatalyst with exceptional eletrocatalytic activity via ultrafine Pt-based trimetallic nanoparticles on pristine graphene

Zhao, Jian; Li, Hongqi; Liu, Zhensheng; Hu, Wenbin; Zhao, Changzhi; Shi, Donglu

doi:10.1016/j.carbon.2015.01.038

Cited by 53 publications

(36 citation statements)

References 65 publications

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“…Three characteristic peaks (D, G, and 2D) can be seen in the Raman spectrum. The D-band at 1347.5 cm À1 is due to A 1g mode breathing vibrations of the six-membered sp 2 carbon ringsdthese are caused by the structural disorder or defects (sp 3 bonds) [45]. The G-band at 1580.8 cm À1 corresponds to the doubly degenerate E 2g mode of sp 2 carbon atoms in both rings and chainsdthis corresponds to a twodimensional hexagonal lattice [23].…”

Section: Resultsmentioning

confidence: 99%

Synthesis of a ZnO nanorod/CVD graphene composite for simultaneous sensing of dihydroxybenzene isomers

et al. 2015

Carbon

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Section: Resultsmentioning

confidence: 99%

Synthesis of a ZnO nanorod/CVD graphene composite for simultaneous sensing of dihydroxybenzene isomers

et al. 2015

Carbon

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“…Three major peaks located at about 1350, 1580 and 2700 cm −1 are related to the D band, G band and 2D band of graphene, respectively. The intensity ratio ( I D / I G ) of the D to G band for SEG is small (0.19), indicating low defect nature . The freeze‐fractured surfaces of unfilled PS and the composite with 0.5 wt% of SEG were characterized using SEM.…”

Section: Resultsmentioning

confidence: 99%

Reinforced polystyrene via solvent-exfoliated graphene

et al. 2017

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Solvent-exfoliated graphene (SEG)-reinforced polystyrene (PS) composites were prepared using a straightforward solution-casting method. SEG sheets, obtained by sonication-assisted solvent direct exfoliation from natural graphite, were well dispersed in the PS matrix as evidenced from scanning electron microscopy and transmission electron microscopy observations. Addition of 0.5 wt% SEG resulted in a 6% increase in tensile strength and a 77% improvement in Young's modulus over pure PS due to the effective load transfer between SEG and PS matrix. The Young's moduli of the PS/SEG composites were obtained from both tensile experiments and calculations using the well-established Halpin-Tsai model. Results from dynamic mechanical analysis indicated that the storage modulus of the PS/SEG composites was significantly improved relative to neat PS. The glass transition temperatures of the composites were found to increase substantially upon addition of SEG, consistent with differential scanning calorimetry analysis.

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“…The MOR activity of Pt-Ru-Ni catalysts has been widely investigated [12,18,20,26,[66][67][68][69][70][71][72]. Except for Papaderakis et al [66], which compared the methanol oxidation on Pt-Ru-Ni and Pt-Ni (this comparison is of little meaning, as it is trivial that the addition of Ru to Pt-Ni increase the MOR activity), in all works a comparison between Pt-Ru-Ni and Pt-Ru catalysts was made, and the MOR activity of Ni-containing catalysts was always higher than that of Pt-Ru.…”

Section: Methanol Oxidation On Ternary Pt-ru-ni Catalystsmentioning

confidence: 99%

“…The dependence of the Pt-Ru-Ni to Pt-Ru MOR specific activity (SA Pt-Ru-Ni /SA Pt-Ru ) electrochemically active surface area (ECSA P-tRu-Ni /ECSA Pt-Rut ), particle size (d Pt-Ru-Ni /d Pt-Ru ) and MOR mass activity (MA Pt-Ru-Ni /MA P-Rut ) ratios in acid media on the Ni/(Ru + Ni) atomic ratio by different datasets [20,26,[63][64][65]70,71] is shown in Figure 6a-d. The SA Pt-Ru-Ni /SA Pt-Ru vs. Ni/(Ru + Ni) plot presents a sharp peak centered at ca.…”

Section: Methanol Oxidation On Ternary Pt-ru-ni Catalystsmentioning

confidence: 99%

Pt-Ni and Pt-M-Ni (M = Ru, Sn) Anode Catalysts for Low-Temperature Acidic Direct Alcohol Fuel Cells: A Review

Antolini¹

2017

Energies

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Abstract:In view of a possible use as anode materials in acidic direct alcohol fuel cells, the electro-catalytic activity of Pt-Ni and Pt-M-Ni (M = Ru, Sn) catalysts for methanol and ethanol oxidation has been widely investigated. An overview of literature data regarding the effect of the addition of Ni to Pt and Pt-M on the methanol and ethanol oxidation activity in acid environment of the resulting binary and ternary Ni-containing Pt-based catalysts is presented, highlighting the effect of alloyed and non-alloyed nickel on the catalytic activity of these materials.

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An advanced electrocatalyst with exceptional eletrocatalytic activity via ultrafine Pt-based trimetallic nanoparticles on pristine graphene

Cited by 53 publications

References 65 publications

Synthesis of a ZnO nanorod/CVD graphene composite for simultaneous sensing of dihydroxybenzene isomers

Synthesis of a ZnO nanorod/CVD graphene composite for simultaneous sensing of dihydroxybenzene isomers

Reinforced polystyrene via solvent-exfoliated graphene

Pt-Ni and Pt-M-Ni (M = Ru, Sn) Anode Catalysts for Low-Temperature Acidic Direct Alcohol Fuel Cells: A Review

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