Batteries

Special Issue Editor

Prof. Dr. Masashi Kotobuki

E-Mail Website
Guest Editor

Battery Research Center of Green Energy, Ming Chi University of Technology, 84 Gungjuan Road, Taishan District, New Taipei City 24301 Taiwan
Interests: electrochemical batteries; lithium battery; material science
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

To respond to the growing demand for energy storage devices, Li-ion batteries have become the top choice for electronic devices because of their high energy density. In the past two decades of material and cell design innovation and development, the performance of Li-ion batteries has improved drastically.

However, the organic electrolytes used in Li-ion batteries have sometimes caused safety issues such as fire hazards and electrolyte leakage. Therefore, less flammable solid electrolytes and all-solid-state batteries have been intensively researched; this Special Issue, therefore, focuses on these two technologies.

The fundamental and practical research in this issue will cover solid electrolytes (i.e., ceramic electrolytes, polymer electrolytes, and ceramic–polymer composite electrolytes) and all-solid-state batteries. The scope is not limited to novel materials; research on synthetic and characterization techniques, as well as theoretical research, is also welcome.

We invite submissions in the following areas:

Ceramic electrolytes;
Polymer electrolytes;
Composite electrolytes;
Ion conduction mechanism;
Novel synthetic techniques;
Novel characterization techniques;
All-solid-state batteries.

Prof. Dr. Masashi Kotobuki
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

solid electrolyte
ceramic electrolyte
polymer electrolyte
composite electrolyte
solid-state ionics
electrochemistry
material synthesis
analytical chemistry
all-solid-state battery

Published Papers (3 papers)

Download All Papers

Research

Jump to: Review

10 pages, 2133 KiB

Open AccessArticle

Stabilization of the Interface between a PEO-Based Lithium Solid Polymer Electrolyte and a 4-Volt Class Cathode, LiCoO₂, by the Addition of LiPF₆ as a Lithium Salt

by Sou Taminato, Akino Tsuka, Kento Sobue, Daisuke Mori, Yasuo Takeda, Osamu Yamamoto and Nobuyuki Imanishi

Batteries 2024, 10(4), 140; https://doi.org/10.3390/batteries10040140 - 19 Apr 2024

Viewed by 382

Abstract

Here, the time dependence of the interfacial resistance for Li/polyethylene oxide (PEO)-Li(CF₃SO₂)₂N (LiTFSI)-LiPF₆/LiCoO₂ cells was measured to investigate the stabilization effect of LiPF₆ on the interface between a solid polymer electrolyte (SPE) and a 4-volt class cathode, LiCoO₂. Impedance measurements under the applied potentials between 4.1 V and 4.4 V vs. Li/Li⁺ indicated that the addition of LiPF₆ to LiTFSI was effective in improving the stability at high potentials such as 4.4 V vs. Li/Li⁺. In contrast, the resistance of the non-doped PEO-LiTFSI/LiCoO₂ interface increased with time under the lower potential of 4.1 V vs. Li/Li⁺. Fairly good cycle performance was obtained for the LiPF₆-doped cell, even at a cut-off voltage of 4.5 V vs. Li/Li⁺. Full article

(This article belongs to the Special Issue Solid Electrolytes for All-Solid-State Batteries: Recent Progress and Future Perspectives)

► Show Figures

Figure 1

9 pages, 2505 KiB

Open AccessArticle

Influence of Solid Fraction on Particle Size during Wet-Chemical Synthesis of β-Li₃PS₄ in Tetrahydrofuran

by Aurelia Gries, Frederieke Langer, Julian Schwenzel and Matthias Busse

Batteries 2024, 10(4), 132; https://doi.org/10.3390/batteries10040132 - 16 Apr 2024

Viewed by 700

Abstract

For all-solid-state batteries, the particle size distribution of the solid electrolyte is a critical factor. Small particles are preferred to obtain a high active mass loading of cathode active material and a small porosity in composite cathodes. In this work, the influence of the solid fraction in the wet-chemical synthesis of β-Li₃PS₄ in tetrahydrofuran (THF) is investigated. The solid fraction is varied between 50 and 200 mg/mL, and the obtained samples are evaluated using X-ray diffraction, SEM and electrochemical impedance measurements. The sizes of the resulting particles show a significant dependency on the solid fraction, while a good ionic conductivity is maintained. For the highest concentration, the particle sizes do not exceed 10 µm, but for the lowest concentration, particles up to ~73 µm can be found. The ionic conductivities at room temperature are determined to be 0.63 ± 0.01 × 10⁻⁴ S/cm and 0.78 ± 0.01 × 10⁻⁴ S/cm for the highest and lowest concentrations, respectively. These findings lead to an improvement towards the production of tailored sulfide solid electrolytes. Full article

(This article belongs to the Special Issue Solid Electrolytes for All-Solid-State Batteries: Recent Progress and Future Perspectives)

► Show Figures

Graphical abstract

Review

Jump to: Research

29 pages, 2896 KiB

Open AccessReview

Recent Research Progress on All-Solid-State Mg Batteries

by Jayaraman Pandeeswari, Gunamony Jenisha, Kumlachew Zelalem Walle and Masashi Kotobuki

Batteries 2023, 9(12), 570; https://doi.org/10.3390/batteries9120570 - 27 Nov 2023

Viewed by 2103

Abstract

Current Li battery technology employs graphite anode and flammable organic liquid electrolytes. Thus, the current Li battery is always facing the problems of low energy density and safety. Additionally, the sustainable supply of Li due to the scarce abundance of Li sources is another problem. An all-solid-state Mg battery is expected to solve the problems owing to non-flammable solid-state electrolytes, high capacity/safety of divalent Mg metal anode and high abundance of Mg sources; therefore, solid-state electrolytes and all-solid-state Mg batteries have been researched intensively last two decades. However, the realization of all-solid-state Mg batteries is still far off. In this article, we review the recent research progress on all-solid-state Mg batteries so that researchers can pursue recent research trends of an all-solid-state Mg battery. At first, the solid-state electrolyte research is described briefly in the categories of inorganic, organic and inorganic/organic composite electrolytes. After that, the recent research progress of all-solid-state Mg batteries is summarized and analyzed. To help readers, we tabulate electrode materials, experimental conditions and performances of an all-solid-state Mg battery so that the readers can find the necessary information at a glance. In the last, challenges to realize the all-solid-state Mg batteries are visited. Full article

(This article belongs to the Special Issue Solid Electrolytes for All-Solid-State Batteries: Recent Progress and Future Perspectives)

► Show Figures