High-Performance Secondary Batteries: Recent Processes and Future Challenges

Special Issue Editor


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Guest Editor
State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China
Interests: controllable design and device assembly of high-performance secondary battery (lithium, zinc, etc.) electrodes

Special Issue Information

Dear Colleagues,

The increased use of low-carbon energy is enhancing the demand for advanced secondary batteries. Beyond lithium-ion batteries, innovative alternatives such as sodium, potassium, aqueous zinc, and magnesium ion batteries have garnered attention in recent years. This Special Issue welcomes the submission of research addressing high-performance secondary batteries, the exploration of innovative materials, enhanced electrochemical performance, and improved safety and stability. Such studies will lead to vital advances in the development of battery technology and broaden the horizon for future energy storage solutions.

The scope of this Special Issue includes, but is not limited to, the following topics: lithium-ion batteries and post-lithium-ion batteries, including sulfur-based batteries, sodium/potassium/zinc-ion batteries, and metal–air batteries.

Dr. Yuejiao Chen
Guest Editor

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Keywords

  • Li/Na/K/Zn/Mg-ion batteries
  • electrode materials
  • electrolytes
  • separators
  • metal–air batteries
  • supercapacitors
  • advanced characterizations
  • electrochemical simulation and calculation
  • battery management

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Published Papers (2 papers)

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Research

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14 pages, 5921 KiB  
Article
Study on Mechanical Properties and Microstructural Evolution of Composite Copper Foils Following Long-Term Storage
by Yujie Yan, Haibo Chen, Hang Li, Jing Hu, Ziye Xue, Jianli Zhang, Qiang Chen, Guangya Hou and Yiping Tang
Batteries 2025, 11(5), 173; https://doi.org/10.3390/batteries11050173 - 25 Apr 2025
Viewed by 152
Abstract
Composite copper foil, a novel negative electrode current collector developed in recent years, can significantly enhance battery safety and energy density while also conserving metallic resources. It is found that after 9 months of long-term storage, the tensile strength of the composite copper [...] Read more.
Composite copper foil, a novel negative electrode current collector developed in recent years, can significantly enhance battery safety and energy density while also conserving metallic resources. It is found that after 9 months of long-term storage, the tensile strength of the composite copper foil decreases by 9.76%, and the elongation rate drops by 26.32%. The internal texture of the composite copper foil shifts from a highly oriented (111) plane to a more random crystal plane orientation and the bonding strength is significantly improved. The study reveals that the residual stress within the copper layer provides the driving force for the changes in the microstructure; the intermediate PET layer plays a buffering and absorbing role in the stress-release process. It regulates the redistribution of stress, promoting the alteration of the copper layer’s texture and the refinement of grains. Full article
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Review

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37 pages, 8167 KiB  
Review
Ionic Liquids and Ammoniates as Electrolytes for Advanced Sodium-Based Secondary Batteries
by Pablo Hiller-Vallina, Carmen Miralles, Andrés Parra-Puerto and Roberto Gómez
Batteries 2025, 11(4), 147; https://doi.org/10.3390/batteries11040147 - 9 Apr 2025
Viewed by 526
Abstract
This review aims to provide an up-to-date report on the state of the art of electrolytes based on (quasi-)ionic liquids for sodium batteries. Electrolytes based on conventional ionic liquids are classified into one-anion- and two-anion-type electrolytes according to the number of different anions [...] Read more.
This review aims to provide an up-to-date report on the state of the art of electrolytes based on (quasi-)ionic liquids for sodium batteries. Electrolytes based on conventional ionic liquids are classified into one-anion- and two-anion-type electrolytes according to the number of different anions present in the media. Their application for sodium-based batteries is revised, and the potential advantages of two-anion-type electrolytes are highlighted and rationalized based on the higher tunability of interactions among the different electrolyte components enabled by the presence of two different anionic species. Next, the synthesis and properties of liquid ammonia solvates (aka liquid ammoniates) are presented, with a focus on their use as alternative electrolytes. Attention is paid to some of the outstanding properties of ammoniates, notably, their high conductivity and sodium concentrations, together with their ability to sustain dendrite-free sodium deposition, not only on sodium but also on copper collectors. Finally, the prospects and limitations of these electrolytes for the development of new sodium-based batteries, including anode-less devices, are discussed. Full article
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