Pd electrodeposition on a novel substrate of reduced graphene oxide/ poly(melem-formaldehyde) nanocomposite as an active and stable catalyst for ethanol electrooxidation in alkaline media

2021 ◽  
Author(s):  
Mohammad Zhiani ◽  
Marzieh Gholamian ◽  
Saeid Barzi
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Alkaline Media ◽  
Ethanol Electrooxidation ◽  
Stable Catalyst ◽  
Reduced Graphene

Three-dimensional Au0.5/reduced graphene oxide/Au0.5/reduced graphene oxide/carbon fiber electrode and its high catalytic performance toward ethanol electrooxidation in alkaline media

2015 ◽  
Vol 3 (8) ◽  
pp. 4389-4398 ◽  
Author(s):  
Caiqin Wang ◽  
Huiwen Wang ◽  
Chunyang Zhai ◽  
Fangfang Ren ◽  
Mingshan Zhu ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Three Dimensional ◽  
Catalytic Performance ◽  
Alkaline Media ◽  
Layer By Layer ◽  
Ethanol Electrooxidation ◽  
Reduced Graphene ◽  
Carbon Fiber Electrode ◽  
Fiber Electrode

Highly efficient catalytic activity for the ethanol electrooxidation reaction was achieved using a three-dimensional layer-by-layer Au0.5/RGO/Au0.5/RGO/CF electrode in alkaline medium.

An Investigation of Methyl Viologen Functionalized Reduced Graphene Oxide: Chitosan as a Support for Pt Nanoparticles Towards Ethanol Electrooxidation

2018 ◽  
Vol 14 (5) ◽  
pp. 616-628 ◽  
Author(s):  
Mehri-Saddat Ekrami-Kakhki ◽  
Nahid Farzaneh ◽  
Sedigheh Abbasi ◽  
Hadi Beitollahi ◽  
Seyed Ali Ekrami-Kakhki
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Methyl Viologen ◽  
Pt Nanoparticles ◽  
Ethanol Electrooxidation ◽  
Reduced Graphene

Co3O4 Nanoparticles-Modified α-MnO2 Nanorods Supported on Reduced Graphene Oxide as Cathode Catalyst for Oxygen Reduction Reaction in Alkaline Media

NANO ◽  
2016 ◽  
Vol 11 (11) ◽  
pp. 1650126 ◽  
Author(s):  
GuanHua Jin ◽  
Suqin Liu ◽  
Yaomin Li ◽  
Yang Guo ◽  
Zhiying Ding
Keyword(s):  
Electron Microscopy ◽  
Graphene Oxide ◽  
Catalytic Activity ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Reduced Graphene Oxide ◽  
Reduction Reaction ◽  
Alkaline Media ◽  
X Ray ◽  
Reduced Graphene

Development of efficient electrocatalysts for the oxygen reduction reaction (ORR) remains a key issue for the commercialization of metal-air batteries. In this study, the novel structured Co3O4 nanoparticles-modified [Formula: see text]-MnO2 nanorods supported on reduced graphene oxide (Co3O4-MnO2/rGO) were synthesized with varying amounts of [Formula: see text]-MnO2 via a facile two-step hydrothermal method. The relationship between the physical properties and the electrochemical results was investigated using X-ray diffraction spectrum, scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, cyclic voltammograms, electrochemical impedance spectroscopy and rotating disk electrode. The as-prepared Co3O4–MnO2 nanohybrid exhibits enhanced catalytic activity for ORR under alkaline condition compared with MnO2/rGO and Co3O4/rGO. Furthermore, it mainly favors a direct 4e-reaction pathway for ORR, which is attributed to the well-designed structure, the synergistic effect between Co3O4 and [Formula: see text]-MnO2, and the covalent coupling between the Co3O4-MnO2 and reduced graphene oxide. The role of Co3O4 in Co3O4–MnO2 hybrid for catalyzing ORR also has been illustrated by varying the mass ratio of Co3O4 and MnO2, which reveals that the Co3O4–MnO2 with the ratio of 1:1 has better catalytic activity.

Star-shaped Pd@Pt core–shell catalysts supported on reduced graphene oxide with superior electrocatalytic performance

2014 ◽  
Vol 2 (19) ◽  
pp. 6976-6986 ◽  
Author(s):  
Youngmin Kim ◽  
Yuseong Noh ◽  
Eun Ja Lim ◽  
Seonhwa Lee ◽  
Sung Mook Choi ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Catalytic Activity ◽  
Reduced Graphene Oxide ◽  
Methanol Oxidation ◽  
Alkaline Media ◽  
Core Shell ◽  
One Pot ◽  
Electrocatalytic Performance ◽  
Reduced Graphene ◽  
Reduction Approach

A surfactantless, one-pot reduction approach for Pd@Pt core–shell nano-stars on reduced graphene oxide with enhanced catalytic activity and stability for methanol oxidation in alkaline media.

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