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Batteries
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Multifunctional Electrode Materials for Sustainable Energy Storage Devices
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Multifunctional Electrode Materials for Sustainable Energy Storage Devices

A special issue of Batteries (ISSN 2313-0105). This special issue belongs to the section "Battery Materials and Interfaces: Anode, Cathode, Separators and Electrolytes or Others".

Deadline for manuscript submissions: 15 October 2025 | Viewed by 5068

Special Issue Editors

Prof. Dr. Xiang Wu

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
Interests: electrocatalysis; photocatalysis; metal-ion battery; zinc-ion battery; supercapacitor; energy storage and conversion
Special Issues, Collections and Topics in MDPI journals
Dr. Depeng Zhao

E-Mail Website
Guest Editor
Department of New Energy Materials and Devices, Shenyang Institute of Engineering, Shenyang 110136, China
Interests: electrocatalysis; Zn-air battery; energy storage and conversion

Special Issue Information

Dear Colleagues,

This Special Issue focuses on the cutting-edge research and recent advancements in the field of energy storage systems, specifically targeting various metal-ion batteries, supercapacitors., etc. Metal-ion batteries, known for their high energy density and long cycle life, are widely used in portable electronic devices and electric vehicles. However, challenges such as performance degradation and safety issues remain to be addressed. Supercapacitors, with their high power density and rapid charge–discharge capabilities, show great potential in power system frequency regulation and high-power demand applications. Nevertheless, their relatively low energy density limits broader application. This Special Issue aims to collect the latest research findings in these areas, including material design, performance optimization, mechanism studies, and application prospects. It seeks to explore the current technical challenges and future development directions, providing both theoretical foundations and practical guidance for the advancement of energy storage technologies.

Potential topics include, but are not limited to, the following:

  • Electrochemical reactions in rechargeable batteries and supercapacitors;  
  • Surface/interface chemistry of rechargeable batteries and supercapacitors;
  • Electrode materials design for rechargeable batteries and supercapacitors;
  • Electrolyte design for rechargeable batteries and supercapacitors;
  • Flexible batteries and supercapacitors;
  • Batteries and supercapacitors at extreme working temperatures.

Prof. Dr. Xiang Wu
Dr. Depeng Zhao
Guest Editors

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

  • Li-S battery
  • surface/interface chemistry
  • materials design
  • hybrid capacitor
  • metal ion batteries
  • Zn-air battery

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

15 pages, 4298 KiB  
Article
Synthesis of Cathode Material Li2FeTiO4 for Lithium-Ion Batteries by Sol–Gel Method
by Pengqing Hou, Qi Sun, Shengxue Yan, Guanglong Li, Yingdong Qu and Shaohua Luo
Batteries 2025, 11(4), 142; https://doi.org/10.3390/batteries11040142 - 6 Apr 2025
Viewed by 358
Abstract
The development of a simple and reliable strategy to synthesize cathode materials is crucial for achieving the overall high performance of rechargeable lithium batteries, which has proved to be quite challenging. Herein, we report a simple sol–gel method for the synthesis of Li [...] Read more.
The development of a simple and reliable strategy to synthesize cathode materials is crucial for achieving the overall high performance of rechargeable lithium batteries, which has proved to be quite challenging. Herein, we report a simple sol–gel method for the synthesis of Li2FeTiO4 cathode materials. The reaction mechanism of Li2FeTiO4 crystals can be divided into five stages: including the breakage of the coordination bond; the thermal decomposition of citric acid; the thermal decomposition of metal salts and the reduction of trivalent iron and the formation of Li2FeTiO4 crystals. Finally, the optimum calcination temperature for the preparation of Li2FeTiO4 cathode materials was explored. The Li2FeTiO4 cathode material prepared at 700 °C provides a discharge-specific capacity of 121.3 mAh/g in the first cycle and capacity retention of 89.2%. Our results provide new insights into the application of Li2FeTiO4 cathode materials. Full article
(This article belongs to the Special Issue Multifunctional Electrode Materials for Sustainable Energy Storage Devices)
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11 pages, 8364 KiB  
Article
Oxygen Vacancy-Rich δ-MnO2 Cathode Materials for Highly Stable Zinc-Ion Batteries
by Shilong Li and Xiang Wu
Batteries 2024, 10(8), 294; https://doi.org/10.3390/batteries10080294 - 22 Aug 2024
Cited by 2 | Viewed by 2063
Abstract
As an emerging secondary battery system, aqueous zinc-ion batteries (AZIBs) show a broad application prospect in the fields of large-scale energy storage and wearable devices. Manganese-based cathode materials have been widely investigated by many researchers due to their high natural abundance, low toxicity, [...] Read more.
As an emerging secondary battery system, aqueous zinc-ion batteries (AZIBs) show a broad application prospect in the fields of large-scale energy storage and wearable devices. Manganese-based cathode materials have been widely investigated by many researchers due to their high natural abundance, low toxicity, and multiple variable valence states. However, limited active sites, insufficient solvation, and reactivity kinetics of Mn2+ lead to the attenuation of their electrochemical performance. Herein, we introduce appropriate oxygen vacancies into the δ-MnO2 structure by modulating the annealing temperature. The obtained δ-MnO2-400 electrode provided 503 mAh/g capacity at 0.2 A/g and 99% capacity retention after 3000 times cycling at 1 A/g. Full article
(This article belongs to the Special Issue Multifunctional Electrode Materials for Sustainable Energy Storage Devices)
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10 pages, 3933 KiB  
Article
Optimization of the Operating Voltage of Cobalt-Free Nickel-in-Medium Cathodes for High-Performance Lithium-Ion Batteries
by Yuchuan Qi, Shuheng Hou, Ningbo Qin, Ting Huang, Jiawen Guo, Xianghua Hou, Ning Huang, Yifan Liu and Xijun Liu
Batteries 2024, 10(8), 273; https://doi.org/10.3390/batteries10080273 - 30 Jul 2024
Cited by 1 | Viewed by 1714
Abstract
Medium-nickel cobalt-free cathode materials have attracted much attention in recent years for their low cost and high energy density. However, the structural stability of nickel-based cathode materials becomes compromised when accompanied by the increasing of voltage, leading to poor cycling performance and, thus, [...] Read more.
Medium-nickel cobalt-free cathode materials have attracted much attention in recent years for their low cost and high energy density. However, the structural stability of nickel-based cathode materials becomes compromised when accompanied by the increasing of voltage, leading to poor cycling performance and, thus, hindering their widespread industrial application. In this work, we investigated the optimal charge cut-off voltage for the nickel-based cathode material LiNi0.6Mn0.4O2 (NM64). Within the voltage range of 3.0 to 4.5 V, the electrode energy density reached 784.08 Wh/kg, with an initial Coulombic efficiency of 84.49%. The reversible specific capacity at 0.1 C reached 197.84 mAh/g, and it still maintained a high reversible specific capacity of nearly 150 mAh/g, with a capacity retention rate of 86% after 150 cycles at 1 C. Furthermore, NM64 exhibited an intact morphological structure without noticeable cracking after 150 cycles, indicating excellent structural stability. This study emphasizes the relationship between the stability of NM64 cathodes and different operating voltage ranges, thereby promoting the development of high-voltage layered nickel-based cathode materials. Full article
(This article belongs to the Special Issue Multifunctional Electrode Materials for Sustainable Energy Storage Devices)
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