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| Preparation and Performance Study of Paper-based Electrode Materials Modulated by Zirconium-Tannin Supramolecular Coordination of Polyaniline |
| Received:June 20, 2025 Revised:July 10, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.10.011 |
| Key Words:cellulose fibers supramolecular zirconium-tannin interfacial interaction |
| Fund Project:国家自然科学基金项目（32101465）；浙江科技大学基本科研业务费专项资金项目（2025QN054）。 |
| Author Name | Affiliation | Postcode | | SUN Kexin* | School of Environment and Natural Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | ZHENG Shuo | School of Environment and Natural Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | CHEN Xiaohong | School of Environment and Natural Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | CHANG Ziyang* | School of Environment and Natural Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | JIA Zhixin* | School of Environment and Natural Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | GUO Daliang | School of Environment and Natural Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | ZHAO Huifang | School of Environment and Natural Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | SHA Lizheng | School of Environment and Natural Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 |
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| Abstract:To address the problems of easy agglomeration and low loading of polyaniline on the surface of cellulose fibers， this study used a zirconium-tannin supramolecular coordination polymer to modify the fibers， thereby regulating the in-situ polymerization of aniline monomers and successfully preparing a high-loading nano-network structure of polyaniline on the fiber surface. The results showed that through modification with the zirconium-tannin supramolecular coordination polymer， the deposition rate of polyaniline on the cellulose fibers reached as high as 34.45%， and the electrical conductivity of the composite material reached 22.73 S/m. Electrochemical test results revealed that the prepared composite paper-based electrode achieved an area-specific capacitance of up to 2 947 mF/cm² at a current density of 2 mA/cm². When this electrode material was assembled into a symmetric supercapacitor， it could achieve an energy density of 33.55 mWh/cm³ at a power density of 95.47 mW/cm³. |
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