Electrochemical and Electrocatalysis Performance of Functional Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: 25 October 2025 | Viewed by 985

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School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: miniaturized energy devices; 2D materials
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Special Issue Information

Dear Colleagues,

Due to their adjustable morphology and surface groups, nanostructured catalysts hold great significance in the fields of electrochemistry and energy storage. They have a wide range of applications, including fuel cells, water-splitting devices, and metal–air batteries. Nanoscale materials offer substantial advantages in electrocatalysis because of their unique structures and their electronic and physicochemical properties, such as high surface area, elevated surface atomic density, superior electron mobility, and excellent structural stability.

This Special Issue focuses on the latest innovative research and developments in nanoscale electrocatalysts, which have become a prominent topic of research, both domestically and internationally, in recent years. It encompasses a broad range of topics, including the design, synthesis, and application of nanoscale electrocatalysts. We welcome contributions from all related subjects that aim to enhance our understanding of this exciting and rapidly advancing field.

Dr. Qiu Jiang
Guest Editor

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Keywords

  • electrocatalysis
  • electrochemical charge transfer
  • electrochemistry
  • electrochemical devices
  • nanotechnology

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Published Papers (2 papers)

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Research

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16 pages, 5434 KiB  
Article
Facile Engineering of CoS@NiS Heterostructures for Efficient Oxygen Evolution Reaction
by Ting Yang, Aiyi Dong, Weimin Liao, Xun Zhang, Yinhua Ma, Li Che and Honglin Gao
Nanomaterials 2025, 15(16), 1216; https://doi.org/10.3390/nano15161216 - 8 Aug 2025
Viewed by 246
Abstract
Hydrogen production by the electrolysis of water has become an important way to prepare green hydrogen because of its simple process and high product purity. However, the oxygen evolution reaction (OER) in the electrolysis process has a high overpotential, which leads to the [...] Read more.
Hydrogen production by the electrolysis of water has become an important way to prepare green hydrogen because of its simple process and high product purity. However, the oxygen evolution reaction (OER) in the electrolysis process has a high overpotential, which leads to the increase of energy consumption. Developing efficient, stable and low-cost electrolytic water catalyst is the core challenge to reduce the reaction energy barrier and improve the energy conversion efficiency. CoS@NiS-80% nanosheets with rich heterogeneous interfaces were successfully synthesized by hydrothermal reaction and sulfuration. Heterogeneous interface not only promotes the effective charge transfer between different materials and reduces the charge transfer resistance but also accelerates the four-electron transfer process through the synergistic effect of nickel and cobalt atoms. Under alkaline conditions, the overpotential of CoS@NiS-80% nanosheets was only 280 mV at a current density of 10 mA cm−2, with a Tafel slope of 100.87 mV dec−1. Furthermore, it could work continuously for 100 h, exhibiting its outstanding stability. This work provides a novel approach for improving the OER performance of transition metal sulfide-based electrocatalysts through heterogeneous interface engineering. Full article
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Review

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35 pages, 10932 KiB  
Review
Recent Advances in Non-Noble Metal Electrocatalysts for Hydrogen Evolution Reaction in Water Splitting
by Aiyi Dong, Zifeng Li, Yinhua Ma, Weimin Liao, Fengjiao Zhao, Xun Zhang and Honglin Gao
Nanomaterials 2025, 15(14), 1106; https://doi.org/10.3390/nano15141106 - 16 Jul 2025
Viewed by 569
Abstract
Electrochemical water splitting is an efficient and eco-friendly method for hydrogen production, offering a sustainable energy solution. Currently, the noble metal platinum is considered to be the most efficient catalyst for electrochemical hydrogen evolution reactions (HERs). Due to the scarcity and high cost [...] Read more.
Electrochemical water splitting is an efficient and eco-friendly method for hydrogen production, offering a sustainable energy solution. Currently, the noble metal platinum is considered to be the most efficient catalyst for electrochemical hydrogen evolution reactions (HERs). Due to the scarcity and high cost of noble metal materials, there is an urgent need to find abundant and cost-effective non-noble metal catalysts to reduce the overpotential of HERs. In recent years, significant scientific advancements have been reported in non-noble metal HER catalysts. This review categorizes and reviews the recent non-noble metal HER catalysts and their reaction mechanisms. An exhaustive overview of proven effective catalyst categories is provided, offering early-career researchers a panoramic understanding of this dynamic research field. Finally, we address current challenges and future directions in this field to encourage further research efforts and the development of non-noble metal catalysts. Full article
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