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Batteries
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Rechargeable Aqueous Zinc-ion Batteries
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Rechargeable Aqueous Zinc-ion Batteries

A special issue of Batteries (ISSN 2313-0105).

Deadline for manuscript submissions: closed (31 December 2018) | Viewed by 31287

Special Issue Editor

Prof. Dr. Seung-Tae Hong

E-Mail Website
Guest Editor
Department of Energy Science and Engineering, DGIST (Daegu Gyeongbuk Institute of Science and Technology), Daegu 42988, Republic of Korea
Interests: all-solid-state batteries (Li, Na); Mg-ion batteries; Ca-ion batteries; Li-ion batteries; X-ray crystallography
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

In recent years, rechargeable aqueous zinc-ion batteries (RAZIBs) have received incremental attention as a divalent-ion-based battery because of the advantages of using zinc, such as safety, natural abundance, cost effectiveness, environmental friendliness, high volumetric capacity, and ease of handling in air. Research on aqueous zinc-ion batteries will continue to grow, and is gaining importance for other applications, e.g., large scale energy storage systems.

Despite recent advances in RAZIB technology, new discoveries and further improvements are still required in the fields of high-energy electrode materials, electrolytes and salts, cell design, various scale test, battery management systems, and safety. Therefore, this Special Issue will focus on the future directions of developments in RAZIBs.

Potential topics include, but are not limited to:

  • Discovering new cathode materials;
  • Anode materials;
  • Exploring the new electrolytes;
  • New principles based on zinc chemistry;
  • Electrical, thermal and electrochemical testing and modeling;
  • High performance and efficiency technologies;
  • Lifetime testing, ageing mechanisms, and lifetime prediction;
  • Safety and environmental issues;
  • Battery cell and pack design;
  • Battery management systems and methodes

Prof. Seung-Tae Hong
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. Batteries 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 2700 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

  • zinc-ion batteries
  • cathode materials
  • anode materials
  • electrode design
  • cell design
  • energy storage and conversion
  • applications
  • safety

Published Papers (3 papers)

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Research

13 pages, 3817 KiB  
Article
Prototype System of Rocking-Chair Zn-Ion Battery Adopting Zinc Chevrel Phase Anode and Rhombohedral Zinc Hexacyanoferrate Cathode
by Munseok S. Chae and Seung-Tae Hong
Batteries 2019, 5(1), 3; https://doi.org/10.3390/batteries5010003 - 02 Jan 2019
Cited by 56 | Viewed by 11396
Abstract
Zinc-ion batteries (ZIBs) have received attention as one type of multivalent-ion batteries due to their potential applications in large-scale energy storage systems. Here we report a prototype of rocking-chair ZIB system employing Zn2Mo6S8 (zinc Chevrel phase) as an [...] Read more.
Zinc-ion batteries (ZIBs) have received attention as one type of multivalent-ion batteries due to their potential applications in large-scale energy storage systems. Here we report a prototype of rocking-chair ZIB system employing Zn2Mo6S8 (zinc Chevrel phase) as an anode operating at 0.35 V, and K0.02(H2O)0.22Zn2.94[Fe(CN)6]2 (rhombohedral zinc Prussian-blue analogue) as a cathode operating at 1.75 V (vs. Zn/Zn2+) in ZnSO4 aqueous electrolyte. This type of cell has a benefit due to its intrinsic zinc-dendrite-free nature. The cell is designed to be positive-limited with a capacity of 62.3 mAh g−1. The full-cell shows a reversible cycle with an average discharge cell voltage of ~1.40 V, demonstrating a successful rocking-chair zinc-ion battery system. Full article
(This article belongs to the Special Issue Rechargeable Aqueous Zinc-ion Batteries)
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18 pages, 3588 KiB  
Article
Enhancing the Cycle Life of a Zinc–Air Battery by Means of Electrolyte Additives and Zinc Surface Protection
by Aroa R. Mainar, Luis C. Colmenares, Hans-Jürgen Grande and J. Alberto Blázquez
Batteries 2018, 4(3), 46; https://doi.org/10.3390/batteries4030046 - 13 Sep 2018
Cited by 39 | Viewed by 10352
Abstract
The commercialization of rechargeable alkaline zinc–air batteries (ZAB) requires advanced approaches to improve secondary zinc anode performance, which is hindered by the high corrosion and dissolution rate of zinc in this medium. Modified (with additives) alkaline electrolyte has been one of the most [...] Read more.
The commercialization of rechargeable alkaline zinc–air batteries (ZAB) requires advanced approaches to improve secondary zinc anode performance, which is hindered by the high corrosion and dissolution rate of zinc in this medium. Modified (with additives) alkaline electrolyte has been one of the most investigated options to reduce the high solubility of zinc. However, this strategy alone has not been fully successful in enhancing the cycle life of the battery. The combination of mitigation strategies into one joint approach, by using additives (ZnO, KF, K2CO3) in the base alkaline electrolyte and simultaneously preparing zinc electrodes that are based on ionomer (Nafion®)-coated zinc particles, was implemented and evaluated. The joint use of electrolyte additives and ionomer coating was intended to regulate the exposition of Zn, deal with zincate solubility, minimize the shape change and dendrite formation, as well as reduce the hydrogen evolution rate. This strategy provided a beneficial joint protective efficiency of 87% thanks to decreasing the corrosion rate from 10.4 (blank) to 1.3 mgZn cm−1·s−1 for coated Zn in the modified electrolyte. Although the rate capability and capacity are limited, the ionomer-coated Zn particles extended the ZAB cycle life by about 50%, providing battery roundtrip efficiency above 55% after 270 h operation. Full article
(This article belongs to the Special Issue Rechargeable Aqueous Zinc-ion Batteries)
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Graphical abstract

10 pages, 23099 KiB  
Article
Investigating the Impact of Particle Size on the Performance and Internal Resistance of Aqueous Zinc Ion Batteries with a Manganese Sesquioxide Cathode
by Christian Bischoff, Oliver Fitz, Christian Schiller, Harald Gentischer, Daniel Biro and Hans-Martin Henning
Batteries 2018, 4(3), 44; https://doi.org/10.3390/batteries4030044 - 11 Sep 2018
Cited by 10 | Viewed by 7862
Abstract
Aqueous zinc ion batteries are considered to be one of the most promising battery types for stationary energy storage applications. Due to their aqueous electrolyte, they are inherently safe concerning flammability and environmentally friendly. In this work, the strong influence of the particle [...] Read more.
Aqueous zinc ion batteries are considered to be one of the most promising battery types for stationary energy storage applications. Due to their aqueous electrolyte, they are inherently safe concerning flammability and environmentally friendly. In this work, the strong influence of the particle size of manganese sesquioxide on the performance of the battery is investigated. Ball milling was used to decrease the particle diameter. The resulting powders were used as active material for the cathodes, which were assembled in coin cells as full cells together with zinc foil anodes and aqueous electrolyte. It was shown that about one third of the original particle size can nearly triple the initial capacity when charged with constant current and constant end-of-charge voltage. Additionally, smaller particles were found to be responsible for the collapse of capacity at high current densities. By means of electrochemical impedance spectroscopy, it was shown that particle size also has a large impact on the internal resistance. Initially, the internal resistance of the cells with small particles was about half that of those with big particles, but became larger during cycling. This reveals accelerated aging processes when the reactive surface of the active material is increased by smaller particles. Full article
(This article belongs to the Special Issue Rechargeable Aqueous Zinc-ion Batteries)
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