Separator-Free Aqueous Zinc-Iodine Batteries: An In-Situ Dual-Confinement Interface Enabling Electrostatic Reversible Polyiodide Capture/Release

Key Points

• The research aims to enhance the performance of zinc-iodine batteries by eliminating the need for a separator.
• Developed a separator-free design for zinc-iodine batteries.
• Implemented an in-situ dual-confinement interface to manage polyiodide shuttling.
• Conducted tests to assess energy density and electrostatic interactions.
• The separator-free design successfully maximized volumetric energy density.
• Significant reduction in polyiodide shuttling was observed.
• Enhanced electrostatic capture and release of polyiodides were achieved.