Advanced Electrode Materials for High-Performance Sodium-Ion Batteries—2nd Edition

Special Issue Editors


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Guest Editor
Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
Interests: sodium-ion batteries; separators; interphases and interfaces; cathode materials; anode materials; energy storage materials
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Guest Editor
School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
Interests: energy storage material; electrochemistry; sodium-ion battery; solid-state battery
Special Issues, Collections and Topics in MDPI journals

grade E-Mail Website
Guest Editor
College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials of Ministry of Education, Wuhan University, Wuhan 430072, China
Interests: sodium-ion batteries; lithium metal anodes; electrolytes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Low-cost and high-performance grid-scale energy storage systems are needed to meet the requirements of sustainable energy systems. Sodium-ion batteries have attracted great attention in recent years due to their low cost, the wide abundance of sodium resources, and their similar chemical/electrochemical properties to well-established lithium-ion batteries. The past decade has witnessed the renaissance and rapid development of sodium-ion batteries. Additionally, tremendous efforts have been made to explore different components such as cathode and anode materials and electrolytes for sodium-ion batteries, and their chemical and electrochemical properties have been comprehensively investigated using various experimental techniques and computational methods.

Though significant advances have been achieved, further improvements are still required in terms of energy/power density and cyclic stability for the commercialization of sodium-ion batteries. With the growing interest from both the academic and industrial battery communities, we believe more inspiring work will emerge to facilitate the commercialization of sodium-ion batteries with a low cost and long life span for large-scale energy storage applications in the future.

Despite recent advances in sodium-ion battery technology, discoveries and further improvements are still required. In this Special Issue, we are seeking contributions related to advanced electrode materials and electrolytes for sodium-ion batteries. Topics of interest include high-energy electrode materials, advanced electrolytes and salts, aqueous sodium-ion batteries, battery design and commercialization, battery failure mechanisms, electrochemical performance enhancement, mechanism studies, interfaces and interphases studies, binders, sodium anodes, and computational methods. We also encourage the submission of reviews and perspectives on the development of sodium-ion batteries.

Prof. Dr. Weihua Chen
Prof. Dr. Mingzhe Chen
Prof. Dr. Yongjin Fang
Guest Editors

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Keywords

  • sodium-ion batteries
  • cathode materials
  • anode materials
  • electrolytes
  • electrochemical energy storage

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Research

17 pages, 3364 KB  
Article
Investigation of Pr3+ and Nd3+ Doping Effects on Sodium Gadolinium Silicate Ceramics as Fast Na+ Conductors
by Abinaya Sivakumaran, Shantel Butler, Samuel Reid and Venkataraman Thangadurai
Batteries 2025, 11(10), 354; https://doi.org/10.3390/batteries11100354 (registering DOI) - 27 Sep 2025
Abstract
Sodium metal batteries (SMBs) with ceramic solid electrolytes offer a promising route to improve the energy density of conventional Na-ion batteries (SIBs). Silicate-based ceramics have recently gained attention for their favourable properties, including better ionic conduction and wider stability windows. In this study, [...] Read more.
Sodium metal batteries (SMBs) with ceramic solid electrolytes offer a promising route to improve the energy density of conventional Na-ion batteries (SIBs). Silicate-based ceramics have recently gained attention for their favourable properties, including better ionic conduction and wider stability windows. In this study, 10% Pr3+ and Nd3+ were doped into sodium gadolinium silicate ceramics to examine the effects on phase purity, ionic conductivity, and interfacial compatibility with sodium metal anodes. The materials were synthesized via solid-state methods and sintered at 950–1075 °C to study the impact of sintering temperature on densification and microstructure. Na5Gd0.9Pr0.1Si4O12 (NGPS) and Na5Gd0.9Nd0.1Si4O12 (NGNS) sintered at 1075 °C showed the highest room temperature total ionic conductivities of 1.64 and 1.74 mS cm−1, respectively. The highest critical current density of 0.5 mA cm−2 is achieved with a low interfacial area-specific resistance of 29.47 Ω cm2 for NGPS and 22.88 Ω cm2 for NGNS after Na plating/stripping experiments. These results highlight how doping enhances phase purity, ionic conductivity, and interfacial stability of silicates with Na metal anodes. Full article
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