Advanced Energy Storage in Aqueous Zinc Batteries

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31 October 2025

Manuscript submission deadline

31 December 2025

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Topic Information

Dear Colleagues,

Dear Colleagues, Renewable energy sources have intermittent features for their access, which can be easily influenced by external conditions. Thus, it is necessary to develop more appropriate technologies to capture and store such generated energy. In recent years, Zn metal has been shown to possess the advantages of cost-effectiveness, enhanced safety, outstanding stability, remarkable theoretical capacity (820 mAh g⁻¹), and lower redox potential (−0.76 V vs. SHE) in aqueous environments, making aqueous Zn-ion batteries a highly promising candidate in energy storage systems. However, the cycling performance of aqueous Zn-ion batteries is significantly affected by the presence of Zn dendrites and side reactions occurring at the Zn anode, leading to reduced stability and lifespan. Furthermore, their energy density is greatly affected by the lower capacity and lower electrode potential of the cathode. As a result, the practicality of aqueous Zn-ion batteries as energy storage systems is greatly diminished. In this Topic, we aim to promote the development of aqueous Zn-ion batteries, including the anode, cathode, electrolyte, and devices of aqueous Zn-ion batteries. As aqueous Zn-ion batteries have great potential in terms of application, this Topic will be of great interest for our readers. The Topic “Advanced Energy Storage in Aqueous Zinc Batteries” provides a platform to publish both reviews and original research papers (in support of the anode, cathode, electrolyte, and devices of aqueous Zn-ion batteries). Please join us in creating a diverse collection of articles for a variety of topics. We look forward to receiving contributions.

Dr. Chenggang Wang
Dr. Lu Wang
Dr. Xiaoyu Luan
Topic Editors

Keywords

Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Batteries batteries	4.6	4.0	2015	19.7 Days	CHF 2700	Submit
Chemistry chemistry	2.4	3.2	2019	17.2 Days	CHF 1800	Submit
Energies energies	3.0	6.2	2008	16.8 Days	CHF 2600	Submit
Materials materials	3.1	5.8	2008	13.9 Days	CHF 2600	Submit
Nanomaterials nanomaterials	4.4	8.5	2010	14.1 Days	CHF 2400	Submit

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Published Papers (3 papers)

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All Batteries Chemistry Energies Materials Nanomaterials

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Open AccessArticle

Insights on Polyidide Shuttling of Zn-I₂ Batteries by I₃⁻/I⁻ Electrolytes Based on the Dual-Ion Battery System

by Xingqi Chang and Andreu Cabot

Nanomaterials 2025, 15(10), 738; https://doi.org/10.3390/nano15100738 - 14 May 2025

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Abstract

The rechargeable zinc-iodine (Zn-I₂) battery is a promising energy storage system due to its high theoretical capacity, low cost, and safety. So far, most researchers agree that the poor electrical conductivity of iodine and the shuttling of polyiodide lead to a [...] Read more.

The rechargeable zinc-iodine (Zn-I₂) battery is a promising energy storage system due to its high theoretical capacity, low cost, and safety. So far, most researchers agree that the poor electrical conductivity of iodine and the shuttling of polyiodide lead to a rapid decrease in capacity and low coulombic efficiency (CE) during cycling, which seriously hinders their further development and application. Herein, to understand the polyidide shuttling effects in Zn-I₂ battery, we utilize I₃⁻/I⁻ electrolytes as the active capacity source coupled with carbon cloth, devoid-of-iodine (I₂) loading cathode, to simulate the behavior of the shuttling of polyidide in the Zn-I₂ battery, based on the concept of a dual-ion battery system. Experiments show that these batteries exhibit a specific capacity of 0.24 mAh·cm⁻² at 1.0 A·cm⁻² and 0.2 mAh·cm⁻² at 20 A·cm⁻², corresponding to 1.0~1.3 mg active mass of I₂, based on the 2I⁻/I₂ redox couple (221 mAh·g⁻¹). It is noteworthy that the inclusion of polyiodide enhances the electrochemical and redox activity, which is advantageous for electrochemical performance; however, it is limited to the polyiodine reduction on the Zn surface (Zn + I₃⁻ → 3I⁻ + Zn²⁺). Full article

(This article belongs to the Topic Advanced Energy Storage in Aqueous Zinc Batteries)

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10 pages, 2853 KiB  

Open AccessArticle

Enabling a Reversible Six-Electron Redox Reaction Based on I⁻/I⁺ and Br⁻/Br⁰ for Aqueous Zinc-Bromine Batteries

by Jing Zhang, Xiaoxing Ji, Qingxiu Yu, Xixi Zhang, Chuanlin Li, Na Li, Mengzhen Kong, Dingzheng Li, Wenjie Liu, Chenggang Wang and Xijin Xu

Chemistry 2025, 7(3), 75; https://doi.org/10.3390/chemistry7030075 - 2 May 2025

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Abstract

Zinc-halogen batteries are usually based on two-electron transfer reactions from X⁻ to X₂. However, the halogen is capable of being further oxidized to higher valence states, thereby achieving the higher capacity of zinc- halogen batteries. Here, a six-electron reaction based [...] Read more.

Zinc-halogen batteries are usually based on two-electron transfer reactions from X⁻ to X₂. However, the halogen is capable of being further oxidized to higher valence states, thereby achieving the higher capacity of zinc- halogen batteries. Here, a six-electron reaction based on I⁻/I⁺ and Br⁻/Br⁰ is activated successfully by introducing KI into the electrolyte. ZIF-8-derived porous carbon (ZPC), serving as the host of halogen, effectively suppresses polybromide/polyiodide shuttle owing to the chemisorption/physical adsorption. Additionally, the adsorption of I⁻ on the surface of the zinc anode effectively inhibits the growth of dendrites and the formation of by-products. Consequently, zinc-bromine batteries exhibit outstanding electrochemical performance, including a specific capacity of 345 mAh g⁻¹ at 1 A g⁻¹ and an excellent capacity retention of 80% after 3000 cycles at 2 A g⁻¹. This strategy provides a novel way for enhancing the electrochemical performance of zinc-halogen batteries. Full article

(This article belongs to the Topic Advanced Energy Storage in Aqueous Zinc Batteries)

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Open AccessArticle

Enhanced Aqueous Zinc-Ion Batteries Using 3D MoS₂/Conductive Polymer Composite

by Tongxin Jiang, Sijie Li, Zexiang Luo, Xue Li, Lifeng Zhang, Haisheng San, Xin Li and Yifei Ma

Energies 2025, 18(1), 34; https://doi.org/10.3390/en18010034 - 25 Dec 2024

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Abstract

MoS₂, a typical transition metal dichalcogenide, features a layered structure, multi-phase transition, and tunable band gap, which is a promising candidate for aqueous zinc-ion batteries (AZIBs). Recent studies have focused on the metastable 1T-MoS₂ phase, which exhibits superior electrical conductivity [...] Read more.

MoS₂, a typical transition metal dichalcogenide, features a layered structure, multi-phase transition, and tunable band gap, which is a promising candidate for aqueous zinc-ion batteries (AZIBs). Recent studies have focused on the metastable 1T-MoS₂ phase, which exhibits superior electrical conductivity and electrochemical activity compared to the more stable 2H phase. Herein, a straightforward one-step hydrothermal method was used to synthesize three-dimensional MoS₂/polymer composites (H-MoS₂-PEDOT). Under acidic conditions, the polymerization and intercalation of EDOT molecules in the MoS₂ layers promote the phase transition from 2H to 1T, thereby enhancing its conductivity and electrochemical performance. Additionally, it was found that the intercalated PEDOT and small amounts of water molecules have contributed to enhancing Zn²⁺ ion diffusion and cycle stability. As a result, AZIBs based on the H-MoS₂-PEDOT composite deliver a high specific capacity of 173.6 mAh g⁻¹ at 1 A g⁻¹, maintaining a specific capacity of 116 mAh g⁻¹ and a capacity retention of 82.8% after 1000 cycles at 5 A g⁻¹. Full article

(This article belongs to the Topic Advanced Energy Storage in Aqueous Zinc Batteries)

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