Yinyan Guan, Xiaorui Hao, Rui Xu, Hongfei Li, Yuhan Wu, Jiyan Liang
Accepted: 2025-02-25
Yinyan Guan, Xiaorui Hao, Rui Xu, Hongfei Li, Yuhan Wu, Jiyan Liang. Carbon Materials for Zinc-Iodine Battery Cathodes[J]. Progress in Chemistry, 0, ():
240610-240610.
Zinc-iodine batteries have attracted widespread attention as a novel green, low-cost, and highly safe electrochemical energy storage technology. Its basic principle is to use the electrochemical reaction between zinc and iodine to store and release energy. However, the low electronic conductivity, shuttle effect, and high solubility of iodine limit the practical application of zinc-iodine batteries. This work provides a systematic review of the research progress on carbon materials used in the cathode of zinc-iodine batteries, with a focus on several commonly used carbon materials, such as carbon nanotubes, graphene, activated carbon, biomass-derived carbon, and other porous carbon materials. Owing to their excellent conductivity, high specific surface area, and good chemical stability, these carbon materials can not only effectively adsorb and immobilize iodine molecules, preventing iodine loss and the shuttle effect, but also promote iodine redox reactions by regulating the pore structure and surface chemical properties, thereby improving the specific capacity and cycling stability of the battery. Additionally, we put forward the challenges and issues faced by carbon materials in the practical application of zinc-iodine batteries, including how to further enhance iodine adsorption capability and improve the structural stability of the electrode. Accordingly, several potential future research directions are proposed with a view to further improving the electrochemical performance and reducing the manufacturing cost, thus laying the foundation for advancing the development and application of this emerging battery technology.
Contents
1 Introduction
1.1 Research background and significance of zinc-iodine batteries
1.2 The importance of carbon materials in zinc-iodine batteries
2 Overview of zinc-iodine batteries
2.1 Reaction mechanism of zinc-iodine batteries
2.2 Advantages and problems of zinc-iodine batteries
3 The application of carbon materials in the cathode of zinc-iodine batteries
3.1 Carbon nanotube-based cathodes
3.2 Graphene-based cathodes
3.3 Activated carbon-based cathodes
3.4 Biomass-derived carbon-based cathodes
3.5 Other porous carbon material-based cathodes
4 Conclusions and outlook