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Nanomaterials
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Advanced Functional Nanomaterials Used as Potential Energy Production and Storage
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Advanced Functional Nanomaterials Used as Potential Energy Production and Storage

A special issue of Nanomaterials (ISSN 2079-4991).

Deadline for manuscript submissions: closed (18 July 2025) | Viewed by 2622

Special Issue Editors

Dr. Bogdan Stefan Vasile

E-Mail Website
Guest Editor
Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania
Interests: advanced unconventional synthesis of micro and nanomaterials; structural and morphological characterization; transmission electron microscopy; X-ray diffraction; thin films and nanotechnology
Special Issues, Collections and Topics in MDPI journals
Dr. Iulian Boerasu

E-Mail Website
Guest Editor
National Research Center for Micro and Nanomaterials, National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania
Interests: solar cells; photovoltaics; material characterization; thin film deposition; thin films and nanotechnology; nanotechnology; energy storage; materials for energy applications; materials genomics

Special Issue Information

Dear Colleagues,

Nowadays, significant efforts are devoted to developing innovative materials for pushing forward existing achievements for the production and storage of clean, sustainable, and renewable energy. The last decade’s progress in the processing of nanomaterials paved the way for their integration in applications for energy conversion and storage, such as photovoltaic, lithium-ion batteries, supercapacitors, and electro-catalysts for fuel cells.

We kindly invite you to submit your contribution to the Special Issue “Advanced Functional Nanomaterials Used as Potential Energy Production and Storage”.

This Special Issue aims to present the current state-of-the-art functional nanomaterials in the whole value chain, from new game-changing nanomaterial synthesis to energy conversion and storage solutions.

Up-to-date original research and reviews related to functional nanomaterials and integrated devices are welcome, and we look forward to receiving your interesting work.

Dr. Bogdan Stefan Vasile
Dr. Iulian Boerasu
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 250 words) can be sent to the Editorial Office for assessment.

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. Nanomaterials 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 2400 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

  • nanostructures
  • energy storage
  • catalysis
  • photocatalysis
  • electrocatalysts
  • sustainable energy
  • energy conversion
  • batteries
  • photovoltaics

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

14 pages, 2366 KB  
Article
NH4F and VO (Acac)2 Tuning of Hexagram-Shaped Co3O4 Morphology for High-Performance Supercapacitor Electrodes
by Huanping Yang, Zhiguo Zhang, Ziming Fang, Yutian Zhao, Bitao Xiong, Xiaoli Lang, Yanting Shen, Xing’ao Li and Yan Wang
Nanomaterials 2026, 16(3), 162; https://doi.org/10.3390/nano16030162 - 26 Jan 2026
Viewed by 624
Abstract
In this work, by employing NH4F as a structure-directing agent (SDA) and VO(acac)2, we have manipulated the morphology of Co3O4, leading to the creation of a novel hexagram-like structure with exceptional evenness in distribution. To [...] Read more.
In this work, by employing NH4F as a structure-directing agent (SDA) and VO(acac)2, we have manipulated the morphology of Co3O4, leading to the creation of a novel hexagram-like structure with exceptional evenness in distribution. To comprehend the growth mechanism and elucidate the functions of various agents involved, experiments were conducted under diverse conditions with varying reagent ratios. The results indicate that, under the influence of NH4F as the structure-directing agent (SDA), the hexagram-shaped Co3O4 structure exhibits sensitivity to both reaction time and temperature, implying that its growth mechanism is regulated by the Kirkendall effect and involves partial cation exchange. Additionally, with alteration of reagent ratios, Co3O4 with ball-flower morphology was synthesized successfully. Through cross-section SEM examination, the observed growth mechanisms for both the hexagram and ball-flower structures were substantiated. Lastly, electrochemical performance tests of the hexagram and ball-flower structures on SC electrode were carried out, and specific capacitances were 452 C/g (1062 F/g) and 696 C/g (1339 F/g), respectively. The hexagram-shaped Co3O4 structure displays exceptional SC electrode material characteristics, retaining an outstanding capacitance of 93.1% even after 10,000 cycles, highlighting its superior cycle performance. This paper hopes to inspire further SC electrode materials studies based on its novel morphology modulation strategy. Full article
(This article belongs to the Special Issue Advanced Functional Nanomaterials Used as Potential Energy Production and Storage)
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14 pages, 2797 KB  
Article
MoO3 Nanobelts Synthesized from Recycled Industrial Powder and Applied as Electrodes for Energy Storage Applications
by Angelo Di Mauro, Federico Ursino, Giacometta Mineo, Antonio Terrasi and Salvo Mirabella
Nanomaterials 2025, 15(17), 1380; https://doi.org/10.3390/nano15171380 - 8 Sep 2025
Cited by 1 | Viewed by 1378
Abstract
The sustainable development of our society faces significant challenges, including the need for environmentally friendly energy storage devices. Our work is concerned with the conversion of Mo-based recycled industrial waste into active nanocatalysts for energy storage applications. To reach this goal, we employed [...] Read more.
The sustainable development of our society faces significant challenges, including the need for environmentally friendly energy storage devices. Our work is concerned with the conversion of Mo-based recycled industrial waste into active nanocatalysts for energy storage applications. To reach this goal, we employed hydrothermal synthesis, a low-cost and temperature-scalable method. The proposed synthesis produces MoO3 nanobelts (50–200 nm in width and 2–5 µm in length) with a high yield, about 74%. The synthesized nanostructures were characterized in 1 M KOH and 1 M NH4OH, as alkaline environments are a promising choice for the development of eco-friendly devices. To investigate the material’s behaviour cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), and electrochemical impedance spectroscopy (EIS) measurements were carried out. From CV curves, it was possible to evaluate the specific capacitance values of 290 and 100 Fg−1 at 5 mVs−1 in 1 M KOH and 1 M NH4OH, respectively. Also, GCD was employed to evaluate the specific capacitance of the material, resulting in 75 and 60 Fg−1 in 1 M KOH and 1 M NH4OH, respectively. CV and GCD analyses revealed that MoO3 nanobelts act as two different types of energy storage devices: supercapacitors and pseudocapacitors. Additionally, EIS allowed us to distinguish between the resistive and capacitive behaviour contributions depending on the electrolyte. Furthermore, it provided a comprehensive electrochemical characterization in different alkaline electrolytes, with the intention of conjugating waste management and sustainable energy storage device production. Full article
(This article belongs to the Special Issue Advanced Functional Nanomaterials Used as Potential Energy Production and Storage)
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