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April 10, 2026Advanced Functional Materials0 citations

π-Conjugation Engineering of Polyimide Cathode for Zinc-Iodine Battery Stability

π‐Conjugation Engineering Induced Polyimide Cathode with Electrostatic Confinement for Ultra‐Stable Zinc‐Iodine Batteries

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Authors

WZWenbo ZhaoLZLiang ZhangTWTianlu Wang

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Overview

Dual-engineered polyimide cathode enhances charge transfer and stability in zinc-iodine batteries, indicating a novel design approach.

Key Points

  • The research aims to improve the stability and performance of zinc-iodine batteries using an enhanced polyimide cathode.
  • Developed a carbonyl-bridged polyimide cathode with π-conjugation engineering.
  • Utilized side-chain engineering to create quaternary ammonium-functionalized polyimide.
  • Measured polyiodide binding energy and electrochemical performance over multiple cycles.
  • Achieved a reversible capacity of 150.6 mAh g−1 at 1 C rate.
  • Maintained 92.8% capacity after 10,000 cycles at 20 C.
  • Increased polyiodide binding energy to −4.47 eV.
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Cite This Study

Zhao et al. (2026) studied this question.

synapsesocial.com/papers/69d895a86c1944d70ce06adehttps://doi.org/10.1002/adfm.75289
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Electrostatic–Immobilized Polyiodides via Bifunctional Quaternary Ammonium Binder for Shuttle–Free and Ultra–Stable Zn–I<sub>2</sub> Batteries2025 · 25 citations
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  3. 3Concomitant Zinc Dendrite Mitigation and Iodide Shuttle Confinement: A Bifunctional Zwitterionic Hydrogel Electrolyte Unlocking Ultralong‐Cycling Aqueous Zinc‐Iodine Batteries2025 · 8 citations
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  5. 5Confining Polyiodide in Polymer Cathode Boosts Cycling Stability in High Energy‐Dense Aqueous Zinc‐Sulfur Batteries2026 · 1 citations