Advances in Calcium-Ion Batteries

A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Inorganic Materials".

Deadline for manuscript submissions: closed (15 October 2025) | Viewed by 1828

Special Issue Editor


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Guest Editor
Future Technology School, Shenzhen Technology University, Shenzhen 518118, China
Interests: in situ characterization; calcium ion batteries; zinc ion batteries; material synthesis

Special Issue Information

Dear Colleagues,

In the pursuit of next-generation energy storage solutions, calcium-ion batteries (CIBs) are emerging as a promising alternative to traditional lithium-ion batteries, benefiting from the abundance of calcium, cost-effectiveness, and the potential for high energy density. However, the large ionic radius and divalent nature of calcium ions pose unique challenges to achieving efficient ion intercalation and stable cycling performance. Recent studies have made significant progress in overcoming these limitations by innovatively designing materials and leveraging structural regulation techniques. For instance, organic or 3D orbital regulation of the intercalation compounds will present outstanding cycle lifespans and rate performance.

This Special Issue, “Advances in Calcium-Ion Batteries”, aims to showcase the latest findings and advancements in the field, with a focus on the fundamental and applied research that will drive calcium-ion batteries toward practical applications. We welcome original research and review articles in the following areas:

  • Cathode materials for CIBs, including transition metal oxides and phosphates;
  • Anode materials for efficient calcium storage, such as carbon-based and alloy materials;
  • Electrolyte design for improved calcium-ion conduction, covering liquid, solid-state, and gel electrolytes;
  • Mechanistic insights into calcium-ion intercalation and diffusion;
  • Optimization of electrochemical performance and stability enhancements;
  • Fabrication and testing of full calcium-ion battery cells;
  • Advances in electrode–electrolyte interface studies;
  • Comparative analyses of calcium-ion batteries and other multivalent systems, such as magnesium and zinc.

Dr. Guobin Zhang
Guest Editor

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Keywords

  • calcium-ion batteries
  • anode materials for efficient calcium storage
  • electrolyte design for improved calcium-ion conduction
  • mechanistic insights into calcium-ion intercalation and diffusion
  • electrode–electrolyte interface

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Published Papers (1 paper)

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Research

16 pages, 2644 KB  
Article
Prototypes of Highly Effective Stress Balancing AlN Interlayers in MOVPE GaN-on-Si (111)
by Cai Liu, Gaomin Li, Hassanet Sodabanlu, Masakazu Sugiyama and Yoshiaki Nakano
Inorganics 2025, 13(9), 302; https://doi.org/10.3390/inorganics13090302 - 7 Sep 2025
Cited by 1 | Viewed by 1251
Abstract
The GaN-on-Si virtual substrate is now an indispensable platform for the application of GaN in the fields of power devices, radio frequency, light-emitting devices, etc. Such applications are still in need of more effective stress balancing techniques to achieve higher quality and stress [...] Read more.
The GaN-on-Si virtual substrate is now an indispensable platform for the application of GaN in the fields of power devices, radio frequency, light-emitting devices, etc. Such applications are still in need of more effective stress balancing techniques to achieve higher quality and stress balance in GaN-on-Si at a lower thickness. In this study, three promising practical prototypes of highly effective stress-balancing structures are proposed to realize the concept of an ideal AlN interlayer (AlN-IL) featuring a completely relaxed lower AlN/GaN interface and a fully strained upper GaN/AlN interface. The first is a single-layer AlN interlayer grown via precursor pulsed-injection (PI-AlN-IL). The second combines a low-temperature AlN (LT-AlN) underlayer with a PI-AlN-IL. The third integrates LT-AlN with a high-temperature AlN cap. Compared with optimal conventional single-layer AlN interlayer references, all these designs more effectively induced compressive stress and strain in overlying GaN layers. This study opens new technical paths to balancing stress in GaN-on-Si systems at a reduced thickness more efficiently. Full article
(This article belongs to the Special Issue Advances in Calcium-Ion Batteries)
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