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Volume 20, IOCB 2024
 
 
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Mater. Proc., 2025, ANM 2024

The International Conference on Advanced Nano Materials
Aveiro, Portugal | 24–26 July 2024 

Volume Editors:
Joao Ventura, University of Porto, Portugal
Elby Titus, University of Aveiro, Portugal

Number of Papers: 6
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Cover Story (view full-size image): The International Conference on Advanced Nano Materials (ANM 2024) was held at the University of Aveiro, Portugal, on 24–26 July 2024. It provided a platform for insightful discussions on the [...] Read more.
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Editorial

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2 pages, 140 KiB  
Editorial
The International Conference on Advanced Nano Materials—ANM 2024
by Joao Ventura and Elby Titus
Mater. Proc. 2025, 21(1), 6; https://doi.org/10.3390/materproc2025021006 - 5 Mar 2025
Viewed by 115
Abstract
The ANM2024 Conference (https://www [...] Full article
(This article belongs to the Proceedings of The International Conference on Advanced Nano Materials)

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5 pages, 5500 KiB  
Proceeding Paper
Freestanding Flexible Carbon Nanofiber Mats for Energy Storage Applications
by Bennet Brockhagen, Christian Hellert, Timo Grothe, Uwe Güth, Jan Lukas Storck, Andrea Ehrmann and Martin Wortmann
Mater. Proc. 2025, 21(1), 1; https://doi.org/10.3390/materproc2025021001 - 13 Feb 2025
Viewed by 195
Abstract
Carbon nanofiber mats can be applied for diverse energy applications. Usually, they should be freestanding and show sufficient structural stability. Poly(acrylonitrile) (PAN) is often used as the base material for electrospinning due to its high carbon yield during carbonization. Carbonized PAN nanofiber mats, [...] Read more.
Carbon nanofiber mats can be applied for diverse energy applications. Usually, they should be freestanding and show sufficient structural stability. Poly(acrylonitrile) (PAN) is often used as the base material for electrospinning due to its high carbon yield during carbonization. Carbonized PAN nanofiber mats, however, may be brittle and break under mechanical load. Here, we report a study of the impact of ZnO and tetraethyl orthosilicate (TEOS) as nanoparticle additives on the stabilization, carbonization and resulting morphology of the respective nanofiber mats. By comparing morphological, mechanical, and chemical properties of these mats, it is shown that carefully tailoring nanoparticular additives and spinning parameters enables the production of flexible freestanding carbon nanofiber mats for possible applications as electrodes in energy storage devices. Full article
(This article belongs to the Proceedings of The International Conference on Advanced Nano Materials)
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5 pages, 1127 KiB  
Proceeding Paper
The Synthesis of the System SiO2-Gd2O3-Eu2O3 and Research on the Acid-Base Properties and Kinetics of Particle Formation in This System
by Sabukhi I. Niftaliev, Irina V. Kuznetsova and Nhat Anh Tran
Mater. Proc. 2025, 21(1), 2; https://doi.org/10.3390/materproc2025021002 - 13 Feb 2025
Viewed by 268
Abstract
This study investigates the synthesis and characterization of SiO2-Gd2O3-Eu2O3 nanomaterials. The sol–gel method was employed using tetraethoxysilane (TEOS), gadolinium nitrate, and europium nitrate as precursors. The influence of rare earth oxide concentration on the [...] Read more.
This study investigates the synthesis and characterization of SiO2-Gd2O3-Eu2O3 nanomaterials. The sol–gel method was employed using tetraethoxysilane (TEOS), gadolinium nitrate, and europium nitrate as precursors. The influence of rare earth oxide concentration on the hydrolysis kinetics and activation energy was evaluated. Additionally, the acid-base properties of the synthesized materials were examined using the Hammett indicator adsorption method. The results revealed that the addition of Gd2O3 and Eu2O3 oxides to the system accelerated the hydrolysis process and reduced the activation energy. The formation of a layered structure, consisting of a central Si(OH)4 nucleus, a Si-O-Si polymer layer, and hydrated metal ion layers, was observed. The acid-base properties of the synthesized nanomaterials were influenced by the drying method and the composition of the system. The findings provide valuable insights into the synthesis and properties of SiO2-Gd2O3-Eu2O3 nanomaterials, which have potential applications in various fields such as optoelectronics and catalysis. Full article
(This article belongs to the Proceedings of The International Conference on Advanced Nano Materials)
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4 pages, 1284 KiB  
Proceeding Paper
Nanomembranes and Urban Vehicles: A Simple Way to Minimize Urban Noise
by Elvis C. Monteiro and Antonio F. Avila
Mater. Proc. 2025, 21(1), 3; https://doi.org/10.3390/materproc2025021003 - 18 Feb 2025
Viewed by 158
Abstract
Urban noise is considered a growing problem in major cities around the world. This paper explores the development of a nanomembrane-based material for noise attenuation. The experimental results show that a combination of acoustic foam and nanomembranes can act as a Helmholtz resonator. [...] Read more.
Urban noise is considered a growing problem in major cities around the world. This paper explores the development of a nanomembrane-based material for noise attenuation. The experimental results show that a combination of acoustic foam and nanomembranes can act as a Helmholtz resonator. The average sound absorption coefficient was around 90%, with peak frequencies varying from 2400 Hz to 4000 Hz. The average thickness of the nanomembranes was approximately 5.0 µm, while the acoustic foam was 13 mm thick. The mean noise reduction, around 10 dB, depends on the morphology of the nanomembranes, their thickness, and their pore size. Full article
(This article belongs to the Proceedings of The International Conference on Advanced Nano Materials)
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7 pages, 3217 KiB  
Proceeding Paper
Studying the Magnetic Properties and Corrosion Resistance of Coated NdFeB Magnets
by Fatih Doğan
Mater. Proc. 2025, 21(1), 4; https://doi.org/10.3390/materproc2025021004 - 25 Feb 2025
Viewed by 161
Abstract
Commercial NdFeB magnets are often coated with different thin layers to increase corrosion resistance. Fast and reliable test methods are being developed, especially for the automotive industry. Since corrosion test methods can inadequately describe the operating conditions of the e-motor, magnets are usually [...] Read more.
Commercial NdFeB magnets are often coated with different thin layers to increase corrosion resistance. Fast and reliable test methods are being developed, especially for the automotive industry. Since corrosion test methods can inadequately describe the operating conditions of the e-motor, magnets are usually only tested in the demagnetized state. Corrosion tests close to sintered NdFeB magnet e-motor application conditions have been applied. Corrosion tests for sintered NdFeB magnets are usually demagnetized and performed in aqueous solutions or vapor environments instead of organic substances such as oil. In this study, sintered NdFeB magnets were immersed in a pre-saturated water-based salt solution and placed in gearbox oil. The test conditions have been specially selected to test the suitability of the magnets for e-motor applications (e.g., in hybrid vehicles). The microstructural effect of magnetic properties and corrosion resistance on the NdFeB magnets have been systematically studied. The aim of the study is the realization of the coating on the sintered NdFeB magnet, which provides high corrosion resistance and significantly reduces the thickness of the coating and ensures maximum efficiency in the use of magnets. The results of these studies are thought to play an important role in determining and optimizing the usage strategy of coated NdFeB magnets. Full article
(This article belongs to the Proceedings of The International Conference on Advanced Nano Materials)
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4 pages, 179 KiB  
Proceeding Paper
The H2Excellence Project-Fuel Cells and Green Hydrogen Centers of Vocational Excellence Towards Achieving Affordable, Secure, and Sustainable Energy for Europe
by António J. Gano, Paulo J. R. Pinto, Maria A. Esteves and Carmen M. Rangel
Mater. Proc. 2025, 21(1), 5; https://doi.org/10.3390/materproc2025021005 - 28 Feb 2025
Viewed by 123
Abstract
The demand for green hydrogen (H2) and related technologies is expected to increase in the coming years, driven by climate changes and energy security of supply issues, amid the European and global energy crises. The European Green Deal and REpowerEU Plan [...] Read more.
The demand for green hydrogen (H2) and related technologies is expected to increase in the coming years, driven by climate changes and energy security of supply issues, amid the European and global energy crises. The European Green Deal and REpowerEU Plan have identified H2 as a key pillar for reaching climate neutrality by 2050 and for the intensification of hydrogen delivery targets, bringing the large-scale adoption of hydrogen production and applications, and stressing the need for a skilled workforce in emergent H2 markets. To that end, the H2Excellence project will establish a Platform of Vocational Excellence in the field of fuel cells and green hydrogen technologies, with an educational and training scheme to tackle identified skill gaps and to implement life-long learning opportunities. This project aims to become a European benchmark in training and knowledge transfer, incorporating the entire hydrogen value chain. The work is supported by the Knowledge Triangle Model, integrating education, research, and innovation efforts to build a dynamic ecosystem in the green hydrogen sector. In this work, activities conducted so far by LNEG as a project partner and expected impacts are highlighted. Those activities are based on a stakeholder needs assessment conducted by project partners and on the knowledge and experience accumulated in research activities developed in the Materials for Energy research area. Full article
(This article belongs to the Proceedings of The International Conference on Advanced Nano Materials)
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