Nanostructured Materials and Energy-Related Devices

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Nanotechnology and Applied Nanosciences".

Deadline for manuscript submissions: closed (20 December 2021) | Viewed by 2695

Special Issue Editors


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Guest Editor
Instituto de Carboquímica-CSIC, Calle Miguel Luesma Castán, 4, 50018 Zaragoza, Spain
Interests: nanostructured carbon materials; heterogeneous catalysts; nanocarbons for catalytic applications; physicochemical characterization; nanocarbons for energy storage and conversion devices

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Co-Guest Editor
University Institute of Electrochemistry, University of Alicante, 03690 Alicante, Spain
Interests: energy conversion and storage devices; electrocatalysis; nanostructured catalytic materials

Special Issue Information

Dear Colleagues,

With at least a dimension or a feature between 1 and 100 nm, nanostructure materials are the basic bricks of nanomaterials science and nanotechnology. An important part of research in nanomaterials is their synthesis and application in devices where their exceptional properties, conferred by their size, make a difference. These properties, including chemical, optical, magnetic, thermal, and electrical, contribute to the development of advanced devices.

This Special Issue aims to cover recent progress in the synthesis of nanostructured materials, and their application in energy conversion and storage devices including, but not limited to, fuel and solar cells, batteries, and supercapacitors. The objective of this Issue is to provide the readership with a collection of articles, in which emphasis is placed not only on the synthesis of new nanostructured materials, but also on an understanding of the physicochemical characteristics responsible for improved performance in the application.

Dr. Daniel Torres
Dr. Rubén Rizo
Guest Editors

Manuscript Submission Information

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Keywords

  • nanostructured materials
  • processing and production
  • physicochemical characterization
  • energy conversion devices
  • energy storage devices

Published Papers (1 paper)

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Research

14 pages, 5774 KiB  
Article
Effect of Pd on the Electrocatalytic Activity of Pt towards Oxidation of Ethanol in Alkaline Solutions
by Salma Jadali, Mohammad Ali Kamyabi, José Solla-Gullón and Enrique Herrero
Appl. Sci. 2021, 11(3), 1315; https://0-doi-org.brum.beds.ac.uk/10.3390/app11031315 - 01 Feb 2021
Cited by 14 | Viewed by 2170
Abstract
The understanding of electrocatalytic activity and poisoning resistance properties of Pt and Pd nanoparticles, recognized as the best electrocatalysts for the ethanol oxidation reaction, is an essential step for the commercialization of direct ethanol fuel cells (DEFCs). In this paper, mono and bimetallic [...] Read more.
The understanding of electrocatalytic activity and poisoning resistance properties of Pt and Pd nanoparticles, recognized as the best electrocatalysts for the ethanol oxidation reaction, is an essential step for the commercialization of direct ethanol fuel cells (DEFCs). In this paper, mono and bimetallic Pt and Pd nanoparticles with different atomic ratios have been synthesized to study their electrocatalytic properties for an ethanol oxidation reaction in alkaline solutions. The different nanoparticles were physiochemically characterized by transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The electrochemical characterization was performed by cyclic voltammetry and chronoamperometry measurements. The electrochemical measurements indicate that Pt nanoparticles have much higher electrocatalytic activity for ethanol oxidation than Pd nanoparticles. The studies with bimetallic PtPd nanoparticles showed a significant impact of their composition on the ethanol oxidation. Thus, the highest electrocatalytic activity and poisoning resistance properties were obtained for Pt3Pd2 nanoparticles. Moreover, this study demonstrates that the poisoning of the catalyst surface through ethanol oxidation is related to the prevalence of the acetaldehyde–acetate route and the polymerization of acetaldehyde through aldol condensation in the alkaline media. Full article
(This article belongs to the Special Issue Nanostructured Materials and Energy-Related Devices)
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