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New Horizons in Experimental Synthesis and Characterization of Advanced Metallic...
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New Horizons in Experimental Synthesis and Characterization of Advanced Metallic Nanomaterials and Nanocomposites for Energy Storage and Conversion

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (30 June 2024) | Viewed by 3497

Special Issue Editor

Dr. Yong Liu

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, China
Interests: metal-based nanomaterials; metal-based nanocomposites; metal batteries; electrocatalysis; advanced characterization techniques
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Ever-increasing environmental problems and energy challenges call for the urgent utilization of green, efficient, and sustainable energy production to promote the development of new technologies associated with energy storage and conversion. The past decade has witnessed the rapid and widespread development of metal-based energy conversion and storage technologies, such as Li/Na/K/Zn/Mg/Al metal and metal-air batteries, solar cells, hydrogen production, etc. Meanwhile, with the upsurge in electronic products, smart devices, and electric vehicles, both academic and industrial communities are devoting increasing efforts to designing and manufacturing more advanced energy-related devices, modules, and power source systems with high energy density, high power density, high capacity, long life cycle, and high security. However, the development of advanced power sources relies heavily on advances in material chemistry innovation. Exploring new metallic electrode materials with high performance is highly desirable to satisfy widespread energy storage/conversion applications.

The rapid development of materials science and nanotechnology has led to significant advances in understanding the controllable synthesis, mechanisms, and structure–performance relationships of metallic electrode materials, which have inspired this Research Topic. We cordially invite investigators to contribute original research articles and reviews that will stimulate further research activities in this area and improve our understanding of the key scientific and technological problems in advanced metallic nanomaterials and nanocomposites for energy storage/conversion. In this Special Issue, we welcome articles that focus on describing advanced materials for energy storage devices (Li/Na/K/Zn/Mg/Al metal batteries, metal-air batteries, supercapacitors) and energy conversion (solar cells, fuel cells).

Dr. Yong Liu
Guest Editor

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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Metals is an international peer-reviewed open access monthly 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

  • metallic nanomaterials and nanocomposites
  • metals and alloys
  • metal properties
  • experimental synthesis
  • advanced characterization methods
  • energy storage technology
  • energy conversion technology

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Published Papers (2 papers)

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Research

13 pages, 9194 KiB  
Article
Effect of Calefaction and Stress Relaxation on Grain Boundaries/Textures of Cu–Cr–Ni Alloy
by Haitao Liu, Guojie Wang, Kexing Song, Yunxiao Hua, Yong Liu and Tao Huang
Metals 2024, 14(7), 837; https://doi.org/10.3390/met14070837 - 22 Jul 2024
Viewed by 1294
Abstract
The Cu–Cr–Ni alloy is a key material for the manufacturing of connectors, which requires excellent resistance to stress relaxation. However, the inherent correlation among microstructure, texture, and properties is still unclear. In this study, we investigated the influence of calefaction and stress relaxation [...] Read more.
The Cu–Cr–Ni alloy is a key material for the manufacturing of connectors, which requires excellent resistance to stress relaxation. However, the inherent correlation among microstructure, texture, and properties is still unclear. In this study, we investigated the influence of calefaction and stress relaxation on the grain boundaries (GBs), textures, and properties of the Cu–Cr–Ni alloy. The results showed that calefaction and stress relaxation had opposite effects on GBs and textures. Calefaction led to a decrease in the proportion of low-angle grain boundaries (LAGBs), an increase in the Schmidt factor (SF) value of the grains, and a transition of texture from <111> to <113>. The grains with higher SF values were more susceptible to plastic deformation, which deteriorated the stress relaxation resistance. By comparison, stress relaxation led to an increase in the proportion of LAGBs, a decrease in SF values of the grains, and a transition of texture from <113> to <111> and <001>. After stress relaxation, the variation trends of the GBs and textures were consistent with those of other plastic deformations, indicating that stress relaxation can be verified by the variations in GBs and textures. Our findings provide a theoretical basis for improvements in stress relaxation resistance of the Cu-based alloys used in connector industry. Full article
(This article belongs to the Special Issue New Horizons in Experimental Synthesis and Characterization of Advanced Metallic Nanomaterials and Nanocomposites for Energy Storage and Conversion)
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15 pages, 15324 KiB  
Article
Improved Discharge Performance of AZ72-0.05La Alloy Anode via Refining Mg17Al12 Phase
by Junqing Guo, Bo Wang and Shizhong An
Metals 2024, 14(3), 344; https://doi.org/10.3390/met14030344 - 17 Mar 2024
Cited by 1 | Viewed by 1377
Abstract
The morphology of phases in magnesium alloys is vitally important for their performance. It is found that improved discharge performance is achieved in AZ72-0.05La alloy via a refining Mg17Al12 phase by means of hot rolling. Before rolling, as-cast AZ72-0.05La alloy [...] Read more.
The morphology of phases in magnesium alloys is vitally important for their performance. It is found that improved discharge performance is achieved in AZ72-0.05La alloy via a refining Mg17Al12 phase by means of hot rolling. Before rolling, as-cast AZ72-0.05La alloy has a relatively coarse and strip-like Mg17Al12 phase. After rolling, the Mg17Al12 phase becomes much finer, showing a granulated shape. Due to the refinement of the Mg17Al12 phase, the discharge voltage and energy density of an Mg-air battery with as-rolled AZ72-0.05La alloy as the anode increases by 6% and 3% under a discharge current density of 20 mA·cm−2 in a 3.5% NaCl solution, respectively. The corrosion rate of the as-rolled AZ72-0.05La alloy is slightly larger than the as-cast AZ72-0.05La alloy, but still much lower than as-cast AZ72 alloy. The as-rolled AZ72-0.05La alloy possesses a discharge voltage of 0.74 V and an energy density of 918 mWh·g−1 under a discharge current density of 20 mA·cm−2, and a relatively low corrosion rate of 0.51 mg·cm−2·h−1, demonstrating good overall discharge performance. This work provides a method for improving the discharge performance of Mg-air batteries. Full article
(This article belongs to the Special Issue New Horizons in Experimental Synthesis and Characterization of Advanced Metallic Nanomaterials and Nanocomposites for Energy Storage and Conversion)
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