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Advanced Materials for Water Splitting and Metal–Air Batteries

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

Deadline for manuscript submissions: closed (10 November 2023) | Viewed by 1996

Special Issue Editor

School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300401, China
Interests: electrocatalysis; water splitting; hydrogen evolution reaction; oxygen evolution reaction; metal–air batteries; fuel cells

Special Issue Information

Dear Colleagues,

This Special Issue provides an international forum dedicated to exhibiting the recent progress on advanced materials, including but not limited to single-atom, zero-dimensional, one-dimensional and two-dimensional materials, as well as metal–organic frameworks for electrocatalytic water splitting, metal–air batteries and fuel cells.

The scope of the Special Issue includes basic research on the synthetic methods, composition and structure regulation, and heterostructure engineering of these advanced materials, as well as the mechanisms during hydrogen evolution reaction, oxygen evolution reaction, hydrogen oxidation reaction and oxygen reduction reaction.

We welcome submissions on topics including but not limited to:

  • Advanced materials for water splitting, including hydrogen evolution or oxygen evolution reactions;
  • Advanced materials for electrochemical oxidation reaction of small molecules;
  • Advanced materials for metal–air batteries and fuel cells; 
  • Mechanism studies for advanced materials during electrocatalysis.

Dr. Hui Liu
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. 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

  • electrode materials
  • water splitting
  • hydrogen evolution reaction
  • oxygen evolution reaction
  • oxygen reduction reaction
  • water splitting
  • metal–air batteries
  • fuel cells

Published Papers (1 paper)

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Research

11 pages, 4470 KiB  
Article
Engineering Cu/NiCu LDH Heterostructure Nanosheet Arrays for Highly-Efficient Water Oxidation
by Ao-Bing Wang, Xin Zhang, Hui-Juan Xu, Li-Jun Gao, Li Li, Rui Cao and Qiu-Yan Hao
Materials 2023, 16(9), 3372; https://doi.org/10.3390/ma16093372 - 25 Apr 2023
Cited by 3 | Viewed by 1728
Abstract
The development of stable and efficient electrocatalysts for oxygen evolution reaction is of great significance for electro-catalytic water splitting. Bimetallic layered double hydroxides (LDHs) are promising OER catalysts, in which NiCu LDH has excellent stability compared with the most robust NiFe LDH, but [...] Read more.
The development of stable and efficient electrocatalysts for oxygen evolution reaction is of great significance for electro-catalytic water splitting. Bimetallic layered double hydroxides (LDHs) are promising OER catalysts, in which NiCu LDH has excellent stability compared with the most robust NiFe LDH, but the OER activity is not satisfactory. Here, we designed a NiCu LDH heterostructure electrocatalyst (Cu/NiCu LDH) modified by Cu nanoparticles which has excellent activity and stability. The Cu/NiCu LDH electrocatalyst only needs a low over-potential of 206 mV and a low Tafel slope of 86.9 mV dec−1 at a current density of 10 mA cm−2 and maintains for 70 h at a high current density of 100 mA cm–2 in 1M KOH. X-ray photoelectron spectroscopy (XPS) showed that there was a strong electronic interaction between Cu nanoparticles and NiCu LDH. Density functional theory (DFT) calculations show that the electronic coupling between Cu nanoparticles and NiCu LDH can effectively improve the intrinsic OER activity by optimizing the conductivity and the adsorption energy of oxygen-containing intermediates. Full article
(This article belongs to the Special Issue Advanced Materials for Water Splitting and Metal–Air Batteries)
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