Unveiling Organic Electrode Materials in Aqueous Zinc-Ion Batteries: From Structural Design to Electrochemical Performance

Abstract

Highlights A comprehensive introduction into organic cathode materials for aqueous zinc-ion batteries with specific focus on their structural–property relationship based on the variations in composition, geometry, and molecular size. For each representative organic cathode, the unique electrochemistry has been discussed to provide insight into the underlying working mechanism. Summarized pros and cons of different organic cathodes and outlined challenges plus future research directions.

Keywords

• Aqueous zinc-ion batteries
• Organic electrodes
• Functional groups
• Molecular size/geometry
• Electrochemical performances