Πλοήγηση ανά Θέμα "Electrooxidation"
Αποτελέσματα 1-17 από 17
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Cost Effective Synthesis of Graphene Nanomaterials for Non-Enzymatic Electrochemical Sensors for Glucose: A Comprehensive Review
(2022)The high conductivity of graphene material (or its derivatives) and its very large surface area enhance the direct electron transfer, improving non-enzymatic electrochemical sensors sensitivity and its other characteristics. ... -
Cross-double dumbbell-like Pt–Ni nanostructures with enhanced catalytic performance toward the reactions of oxygen reduction and methanol oxidation
(2019)Investigating on well-defined structure-engineering and atomic arrangement of fuel cell catalysts with high activity has attracted considerable research interest the last decade. Specially, unique nanostructures, which ... -
Direct alcohol fuel cells: Challenges and future trends
(2011)Among the most considered future alternative energy conversion systems are fuel cells. A fuel cell is an electrochemical device that continuously and directly converts chemical energy to electricity with the most common ... -
The effect of microwave operation parameters on the electrochemical performance of Pt/C catalysts
(2011)In the present work, the effect of the microwave operation parameters on the heating behaviour of ethylene glycol (EG) solution and thereafter on the physicochemical and electrochemical properties of Pt/C catalysts have ... -
Effect of pore morphology of mesoporous carbons on the electrocatalytic activity of Pt nanoparticles for fuel cell reactions
(2010)In the present investigation, the role of the pore morphology of mesoporous carbons in the electrocatalytic activity of Pt nanoparticles for fuel cell reactions has been successfully revealed by adopting ordered mesoporous ... -
Efficient and poison-tolerant PdxAuy/C binary electrocatalysts for glucose electrooxidation in alkaline medium
(2014)Carbon supported PdxAuy binary catalysts for glucose electrooxidation and detection were prepared by a modified pulse microwave assisted polyol method. The physico-chemical properties were obtained by X-ray diffraction ... -
Excavated and dendritic Pt-Co nanocubes as efficient ethylene glycol and glycerol oxidation electrocatalysts
(2019)Noble metal electrocatalysts with excavated and dendritic architectures have recently attracted growing attention for their large accessible surface areas and high density of under-coordinated atoms. However, it is a tough ... -
A facile soft-template synthesis of ordered mesoporous carbon/tungsten carbide composites with high surface area for methanol electrooxidation
(2012)Ordered 2D hexagonal mesoporous carbon/tungsten carbide (OMC/WC) composite nanomaterials have been successfully synthesized for the first time by the soft-template method with ammonium metagungstate as tungsten precursor ... -
Glucose electrooxidation in alkaline medium: Performance enhancement of PdAu/C synthesized by NH3 modified pulse microwave assisted polyol method
(2015)Lack of highly efficient and stable electrocatalysts for glucose electrooxidation is a bottleneck for the real application of glucose fuel cells and electrochemical sensors. Herein we report the synthesis of the PdAu/C ... -
Glucose electrooxidation reaction in presence of dopamine and uric acid over ketjenblack carbon supported PdCo electrocatalyst
(2019)Herein, palladium-cobalt supported on ketjenblack (PCKB) electrocatalyst is synthesized and tested i) for the reaction of glucose electrooxidation (GOR) in presence of dopamine and uric acid and ii) for the simultaneous ... -
Nitrogen-doped 3D hierarchical ordered mesoporous carbon supported palladium electrocatalyst for the simultaneous detection of ascorbic acid, dopamine, and glucose
(2019)In the present work, nitrogen-doped three-dimensional (3D) hierarchical ordered mesoporous carbon supported palladium (Pd 20 wt%/N-3D) electrocatalyst was successfully synthesized with the nanocasting method. The as-prepared ... -
Ordered mesoporous tungsten carbide/carbon composites promoted Pt catalyst with high activity and stability for methanol electrooxidation
(2014)The current anode materials used for direct methanol fuel cells (DMFCs) are expensive and not sufficiently durable for commercial development. One of the major challenges lies in the development of an inexpensive, efficient ... -
PdxRuy/C binary catalysts for glucose electrooxidation
(2013)PdxRuy/C (x:y=1:2, 1:3, 2:1 and 3:1) electrocatalysts are prepared by a modified pulse microwave assisted polyol method and are studied for glucose electrooxidation in alkaline media. The effects of glucose's concentrations ... -
Selective electro-oxidation of dopamine on Co or Fe supported onto N-doped ketjenblack
(2022)Herein, we report the synthesis of Co and Fe supported onto N-doped ketjenblack (Co/KB-N and Fe/KB-N) electrocatalysts via a template-free synthesis method, using EDTA nitrogen precursor and oxidized carbon, and their ... -
Simulation of the operation of a direct ethanol fuel cell anode
(2005)Direct ethanol fuel cells (DEFCs) have motivated more and more interest in recent years due to the intrinsic advantages of ethanol such as its low toxicity, renewability, and its easy production in great quantity by the ... -
Two-step sequence for synthesis of efficient PtSn@Rh/C catalyst for oxidizing ethanol and intermediate products
(2012)PtSn@Rh/C-HT catalysts were designed and synthesized by a two-step sequence synthesis: Rh was firstly deposited on the carbon support and then PtSn through microwave assisted polyol method, followed by the heat treatment ... -
Understanding the electrocatalytic activity of PtxSny in direct ethanol fuel cells
(2011)In the present work, the activity of PtxSny/C catalysts towards ethanol, acetaldehyde and acetic acid electrooxidation reactions is investigated for each one separately by means of cyclic voltammetry. To this purpose, a ...