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Metals
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Metals and Alloys for Energy Conversion and Storage Applications
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Metals and Alloys for Energy Conversion and Storage Applications

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

Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 15346

Special Issue Editor

Dr. Jennifer Hampton

E-Mail Website
Guest Editor
Physics Department, Hope College, Holland, MI 49423, USA
Interests: electrochemistry; nanoscale science; batteries; fuel cells; electrocatalysis; scanning probe microscopy

Special Issue Information

Dear Colleagues,

As intermittent sources of energy become an increasing part of the world’s energy portfolio, we face an increased need for efficient, stable, and cost-effective solutions for conversion and storage of that energy. No single battery, fuel cell, or other technological solution will be the best choice for all possible applications. Thus, a variety of approaches are needed in order to meet the demands of the energy future.

Both single metals and alloys are useful in advanced energy storage and conversion applications. They can provide scaffolds on which other materials are formed or can be the active material itself. Both structure and composition can play an important role in determining the resulting materials properties. For this Special Issue of Metals, “Metals and Alloys for Energy Conversion and Storage Applications”, we invite both original research manuscripts and review papers, bringing together work focusing on the wide-ranging applications that metals and alloys have in this important technological field. Submissions focusing on new materials, fabrication techniques, characterization, testing, or a combination of methods, as well as those that involve theoretical or modeling approaches, are encouraged.

Dr. Jennifer Hampton
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

  • Energy Storage
  • Energy Conversion
  • Batteries
  • Fuel cells
  • Supercapacitors
  • Alloys

Published Papers (4 papers)

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Research

11 pages, 6762 KiB  
Article
Comparison of Charge Storage Properties of Prussian Blue Analogues Containing Cobalt and Copper
by Amanda Rensmo and Jennifer R. Hampton
Metals 2019, 9(12), 1343; https://doi.org/10.3390/met9121343 - 13 Dec 2019
Cited by 1 | Viewed by 4039
Abstract
Prussian blue analogues are of great interest as alternative battery materials because of their long life cycle and potential use of earth-abundant elements. In this work, thin film mixed-metal hexacyanoferrates (HCFs) based on NiCo and NiCu alloys were fabricated in an all electrochemical [...] Read more.
Prussian blue analogues are of great interest as alternative battery materials because of their long life cycle and potential use of earth-abundant elements. In this work, thin film mixed-metal hexacyanoferrates (HCFs) based on NiCo and NiCu alloys were fabricated in an all electrochemical process. The structure and composition of the samples were characterized, along with the charge storage capacity and kinetics of the charge transfer reaction. For both NiCo-HCF and NiCu-HCF samples, the total charge capacity increased with the substitution of Ni with more Co or Cu, and the increase was larger for Cu samples than for Co samples. On the other hand, the charge storage kinetics had only a modest change with substituted metal, and these effects were independent of the amount of that substitution. Thus, the mixed-metal HCFs have promise for increasing overall storage capacity without negatively influencing the rate capability when used in battery applications. Full article
(This article belongs to the Special Issue Metals and Alloys for Energy Conversion and Storage Applications)
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14 pages, 11994 KiB  
Article
Effect of Si Addition on Mechanical and Electrochemical Properties of Al-Fe-Cu-La Alloy for Current Collector of Lithium Battery
by Yawu Xu, Dongyan Ding, Xin Yang, Wenlong Zhang, Yongjin Gao, Zhanlin Wu, Guozhen Chen, Renzong Chen, Yuanwei Huang and Jinsong Tang
Metals 2019, 9(10), 1072; https://doi.org/10.3390/met9101072 - 01 Oct 2019
Cited by 4 | Viewed by 2268
Abstract
The increasing demand for high-performance current collectors of lithium ion secondary batteries requires that the employed aluminum alloys have better mechanical properties and superior electrochemical performance. The effect of Si addition on the microstructure, tensile and electrochemical performance of Al-Fe-Cu-La alloy was investigated [...] Read more.
The increasing demand for high-performance current collectors of lithium ion secondary batteries requires that the employed aluminum alloys have better mechanical properties and superior electrochemical performance. The effect of Si addition on the microstructure, tensile and electrochemical performance of Al-Fe-Cu-La alloy was investigated by optical microscopy, X-ray diffraction, scanning electron microscopy, a tensile test, conductivity test and Tafel polarization curve test. Experimental results indicated that Si addition to the Al-Fe-Cu-La alloy helped to refine the longitudinal grain size of the alloy. The Si-containing phase (AlFeSi) nucleated and grew along the surface of the AlFeLa phase. The Si addition to the Al-Fe-Cu-La alloy could greatly increase the tensile strength in the temperature range of −20 °C to 50 °C and improve high temperature stability of the alloy. Also, the addition of Si promoted the formation of the AlFeSi ternary phase, which helped to improve the corrosion resistance of the alloy. Full article
(This article belongs to the Special Issue Metals and Alloys for Energy Conversion and Storage Applications)
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13 pages, 3774 KiB  
Article
Energy Dissipation Characteristics and Dynamic Modeling of the Coated Damping Structure for Metal Rubber of Bellows
by Kenan Wu, Hongbai Bai, Xin Xue, Tuo Li and Min Li
Metals 2018, 8(7), 562; https://doi.org/10.3390/met8070562 - 23 Jul 2018
Cited by 15 | Viewed by 4218
Abstract
A novel coated damping structure for metal rubber (MR) of bellows is designed based on large-size metal rubber sheets. This structure is dynamically tested in the bending direction at normal temperature. According to the test results, a model of the nonlinear elastic restoring [...] Read more.
A novel coated damping structure for metal rubber (MR) of bellows is designed based on large-size metal rubber sheets. This structure is dynamically tested in the bending direction at normal temperature. According to the test results, a model of the nonlinear elastic restoring force is set up, which describes the dynamic characteristics of the coated damping structure for metal rubber of bellows, and identifies the parameters of the model. The results show that the coated damping structure for metal rubber of bellows has a strong damping energy dissipation ability, its dynamic vibration characteristics are related to the vibration amplitude and frequency, and it is a complex nonlinear hysteretic system with multiple damping components. After identification of the parameters, the model of nonlinear elastic restoring force shows highly accurate results. Full article
(This article belongs to the Special Issue Metals and Alloys for Energy Conversion and Storage Applications)
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15 pages, 3658 KiB  
Article
Electrochemical Properties of Nb-Substituted Zr-Ti-Ni Hydrogen Storage Alloy Negative Electrodes for Nickel-Metal Hydride Batteries
by Akihiro Matsuyama, Hironori Takito, Takumi Kozuka and Hiroshi Inoue
Metals 2018, 8(7), 473; https://doi.org/10.3390/met8070473 - 21 Jun 2018
Cited by 5 | Viewed by 3793
Abstract
Crystal structure, pressure-composition isotherms and electrochemical properties of the Zr0.6−xTi0.4NbxNi (x = 0.01, 0.02, and 0.05) alloys were investigated. Their X-ray diffraction profiles demonstrated that all the Zr0.6−xTi0.4NbxNi [...] Read more.
Crystal structure, pressure-composition isotherms and electrochemical properties of the Zr0.6−xTi0.4NbxNi (x = 0.01, 0.02, and 0.05) alloys were investigated. Their X-ray diffraction profiles demonstrated that all the Zr0.6−xTi0.4NbxNi alloys consisted of the primary phase with the B33-type orthorhombic structure and the secondary phase with the B2-type Ti0.6Zr0.4Ni cubic structure. Rietveld refinement demonstrated that the atomic fraction of the secondary phase increased with the Nb content. The Zr0.6−xTi0.4NbxNi alloys were lower in hydrogen storage capacity than the Nb-free Zr0.6Ti0.4Ni alloy due to an increase in the abundance of the secondary phase. In the charge-discharge tests with the Zr0.6−xTi0.4NbxNi alloy negative electrodes, all the initial discharge curves had two potential plateaus due to the electrochemical hydrogen desorption of trihydride to monohydride and monohydride to alloy of the primary phase. The total discharge capacities at 333 and 303 K for the Zr0.58Ti0.4Nb0.02Ni alloy negative electrode were 384 and 335 mAh g−1, respectively, which were higher than those of the other Zr0.6−xTi0.4NbxNi and Zr0.6Ti0.4Ni alloy negative electrodes. Full article
(This article belongs to the Special Issue Metals and Alloys for Energy Conversion and Storage Applications)
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