Oxygen/Hydrogen-Based Electrocatalysis and Devices

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "C:Chemistry".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 4837

Special Issue Editor


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Guest Editor
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
Interests: nano materials; carbon-based materials; electrocatalysts; fuel cells; water splitting; hydrogen production; metal-air batteries; lithium ion batteries

Special Issue Information

Dear Colleagues,

Currently, as a clean source of energy, hydrogen energy has been fast developed to solve the increasingly serious problems that human beings are facing—fossil fuel energy shortage and environmental pollution. These problems make us consider green and highly efficient hydrogen production and applications. Among them, hydrogen production by water electrolysis (HER/OER), hydrogen fuel cells (HOR/ORR), and regenerative fuel cells (HOR/ORR/HER/OER), which are devices that can operate alternately as an electrolyzer and as a fuel cell, is promising to generate and make full use of hydrogen energy as an environmentally friendly and efficient solution. However, the expensive and low efficient catalyst and the irrational electrode architecture seriously hinder their development. In addition, for metal–air batteries, especially Zn–air batteries (ZABs), the ORR and OER processes are sluggish, and the issues of catalyst and electrode optimization also must be considered.

This Special Issue focuses on all topics dealing with catalysts, electrodes, and devices involving some important electrochemical reactions including ORR, OER, HOR, and HER, from fundamental to applied research. You are invited to submit recent advances in research to this Special Issue of Micromachines. Original research papers, short communications, and review articles are welcome.

Prof. Dr. Shichun Mu
Guest Editor

Manuscript Submission Information

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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. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

  • Oxygen reduction reaction (ORR)
  • Oxygen evolution reaction (OER)
  • Hydrogen oxidation reaction (HOR)
  • Hydrogen evolution reaction (HER)
  • Catalysts
  • Electrode
  • Water electrolysis
  • Polymer electrolyte membrane fuel cells (PEMFCs)
  • Zn-air batteries (ZABs)

Published Papers (1 paper)

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Review

22 pages, 6389 KiB  
Review
Two-Dimensional MoS2: Structural Properties, Synthesis Methods, and Regulation Strategies toward Oxygen Reduction
by Hanwen Xu, Jiawei Zhu, Qianli Ma, Jingjing Ma, Huawei Bai, Lei Chen and Shichun Mu
Micromachines 2021, 12(3), 240; https://doi.org/10.3390/mi12030240 - 27 Feb 2021
Cited by 42 | Viewed by 4406
Abstract
Compared with three-dimensional (3D) and other materials, two-dimensional (2D) materials with unique properties such as high specific surface area, structurally adjustable band structure, and electromagnetic properties have attracted wide attention. In recent years, great progress has been made for 2D MoS2 in [...] Read more.
Compared with three-dimensional (3D) and other materials, two-dimensional (2D) materials with unique properties such as high specific surface area, structurally adjustable band structure, and electromagnetic properties have attracted wide attention. In recent years, great progress has been made for 2D MoS2 in the field of electrocatalysis, and its exposed unsaturated edges are considered to be active sites of electrocatalytic reactions. In this review, we focus on the latest progress of 2D MoS2 in the oxygen reduction reaction (ORR) that has not received much attention. First, the basic properties of 2D MoS2 and its advantages in the ORR are introduced. Then, the synthesis methods of 2D MoS2 are summarized, and specific strategies for optimizing the performance of 2D MoS2 in ORRs, and the challenges and opportunities faced are discussed. Finally, the future of the 2D MoS2-based ORR catalysts is explored. Full article
(This article belongs to the Special Issue Oxygen/Hydrogen-Based Electrocatalysis and Devices)
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