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Advanced Materials for Electrocatalysis of Oxygen
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Advanced Materials for Electrocatalysis of Oxygen

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Carbon Materials".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 10650

Special Issue Editors

Dr. Vincenzo Baglio

E-Mail Website
Guest Editor
CNR-ITAE Institute for Advanced Energy Technologies “N. Giordano”, Via Salita S. Lucia sopra Contesse 5, 98126 Messina, Italy
Interests: polymer electrolyte fuel cells; direct alcohol fuel cells; water electrolysis; metal–air batteries; dye-sensitized solar cells; photo-electrolysis; carbon dioxide electro-reduction
Special Issues, Collections and Topics in MDPI journals
Dr. Carmelo Lo Vecchio

E-Mail Website
Guest Editor
National Council of Research, Institute for Advanced Energy Technologies (CNR ITAE), Messina, Italy
Interests: materials characterization; catalyst preparation; nanomaterials; electrodes; membranes; metal oxide semiconductors; membrane electrodes assembly; direct alcohol fuel cells; metal–air batteries; photo-electrolysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) are among the most important reactions in renewable energy conversion and storage devices. The full deployment of these devices (fuel cells, electrolyzers, metal–air batteries, etc.) depends on the development of highly active, stable, and low-cost catalysts. Furthermore, bifunctional materials that are able to catalyze both reactions are still a challenge for the progress of rechargeable metal–air batteries or unitized regenerative fuel cells. Actually, noble metals, belonging to Pt-group metals (PGMs), are mainly used to catalyze these reactions; however, the high cost and the limited resource of PGMs greatly hinder the widespread commercialization of these energy conversion and storage devices. Therefore, the development of low-cost, highly active, and stable non-PGM catalysts for ORR and OER are highly desired.

This Special Issue aims to cover the most recent advances and developments regarding advanced materials for oxygen electrodes.

Dr. Vincenzo Baglio
Dr. Carmelo Lo Vecchio
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • oxygen reduction reaction
  • oxygen evolution reaction
  • polymer electrolyte fuel cell
  • water electrolyzer
  • unitized regenerative fuel cell
  • metal–air battery
  • direct alcohol fuel cell
  • anion exchange membrane fuel cell and electrolyzer
  • non-PGM catalyst
  • low-loading PGM catalyst
  • alkaline or acid electrolyte

Published Papers (3 papers)

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Review

23 pages, 4877 KiB  
Review
Recent Advances in Nanoscale Based Electrocatalysts for Metal-Air Battery, Fuel Cell and Water-Splitting Applications: An Overview
by Tse-Wei Chen, Ganesan Anushya, Shen-Ming Chen, Palraj Kalimuthu, Vinitha Mariyappan, Pandi Gajendran and Rasu Ramachandran
Materials 2022, 15(2), 458; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15020458 - 08 Jan 2022
Cited by 16 | Viewed by 3314
Abstract
Metal-air batteries and fuel cells are considered the most promising highly efficient energy storage systems because they possess long life cycles, high carbon monoxide (CO) tolerance, and low fuel crossover ability. The use of energy storage technology in the transport segment holds great [...] Read more.
Metal-air batteries and fuel cells are considered the most promising highly efficient energy storage systems because they possess long life cycles, high carbon monoxide (CO) tolerance, and low fuel crossover ability. The use of energy storage technology in the transport segment holds great promise for producing green and clean energy with lesser greenhouse gas (GHG) emissions. In recent years, nanoscale based electrocatalysts have shown remarkable electrocatalytic performance towards the construction of sustainable energy-related devices/applications, including fuel cells, metal-air battery and water-splitting processes. This review summarises the recent advancement in the development of nanoscale-based electrocatalysts and their energy-related electrocatalytic applications. Further, we focus on different synthetic approaches employed to fabricate the nanomaterial catalysts and also their size, shape and morphological related electrocatalytic performances. Following this, we discuss the catalytic reaction mechanism of the electrochemical energy generation process, which provides close insight to develop a more efficient catalyst. Moreover, we outline the future perspectives and challenges pertaining to the development of highly efficient nanoscale-based electrocatalysts for green energy storage technology. Full article
(This article belongs to the Special Issue Advanced Materials for Electrocatalysis of Oxygen)
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Graphical abstract

23 pages, 12761 KiB  
Review
Recent Progress in the Development of Advanced Functionalized Electrodes for Oxygen Evolution Reaction: An Overview
by Tse-Wei Chen, Palraj Kalimuthu, Ganesan Anushya, Shen-Ming Chen, Vinitha Mariyappan and Rasu Ramachandran
Materials 2021, 14(16), 4420; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14164420 - 06 Aug 2021
Cited by 4 | Viewed by 2748
Abstract
Presently, the global energy demand for increasing clean and green energy consumption lies in the development of low-cost, sustainable, economically viable and eco-friendly natured electrochemical conversion process, which is a significant advancement in different morphological types of advanced electrocatalysts to promote their electrocatalytic [...] Read more.
Presently, the global energy demand for increasing clean and green energy consumption lies in the development of low-cost, sustainable, economically viable and eco-friendly natured electrochemical conversion process, which is a significant advancement in different morphological types of advanced electrocatalysts to promote their electrocatalytic properties. Herein, we overviewed the recent advancements in oxygen evolution reactions (OERs), including easy electrode fabrication and significant action in water-splitting devices. To date, various synthetic approaches and modern characterization techniques have effectively been anticipated for upgraded OER activity. Moreover, the discussed electrode catalysts have emerged as the most hopeful constituents and received massive appreciation in OER with low overpotential and long-term cyclic stability. This review article broadly confers the recent progress research in OER, the general mechanistic approaches, challenges to enhance the catalytic performances and future directions for the scientific community. Full article
(This article belongs to the Special Issue Advanced Materials for Electrocatalysis of Oxygen)
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27 pages, 5965 KiB  
Review
High-Efficiency of Bi-Functional-Based Perovskite Nanocomposite for Oxygen Evolution and Oxygen Reduction Reaction: An Overview
by Tse-Wei Chen, Palraj Kalimuthu, Ganesan Anushya, Shen-Ming Chen, Rasu Ramachandran, Vinitha Mariyappan and Durai Chidambaranathan Muthumala
Materials 2021, 14(11), 2976; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14112976 - 31 May 2021
Cited by 15 | Viewed by 3613
Abstract
High efficient, low-cost and environmentally friendly-natured bi-functional-based perovskite electrode catalysts (BFPEC) are receiving increasing attention for oxygen reduction/oxygen evolution reaction (ORR/OER), playing an important role in the electrochemical energy conversion process using fuel cells and rechargeable batteries. Herein, we highlighted the different kinds [...] Read more.
High efficient, low-cost and environmentally friendly-natured bi-functional-based perovskite electrode catalysts (BFPEC) are receiving increasing attention for oxygen reduction/oxygen evolution reaction (ORR/OER), playing an important role in the electrochemical energy conversion process using fuel cells and rechargeable batteries. Herein, we highlighted the different kinds of synthesis routes, morphological studies and electrode catalysts with A-site and B-site substitution co-substitution, generating oxygen vacancies studies for boosting ORR and OER activities. However, perovskite is a novel type of oxide family, which shows the state-of-art electrocatalytic performances in energy storage device applications. In this review article, we go through different types of BFPECs that have received massive appreciation and various strategies to promote their electrocatalytic activities (ORR/OER). Based on these various properties and their applications of BFPEC for ORR/OER, the general mechanism, catalytic performance and future outlook of these electrode catalysts have also been discussed. Full article
(This article belongs to the Special Issue Advanced Materials for Electrocatalysis of Oxygen)
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