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| Construction of Nano-conjugated Carbon Material Coatings with Ellagic Acid/Fe3+ Oligomers and Their Applications |
| Received:April 25, 2025 Revised:May 14, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.09.006 |
| Key Words:ellagic acid Fe3+ oligomers nano-conjuated carbon materials coatings lithium battery anodes |
| Fund Project:国家自然科学基金（52263012，52563011和31901258）；云南省“兴滇人才”计划项目（KKRD202205060，2022）；云南省基础研究项目（202101BE070001-064）；云南省教育厅工程研究中心项目（KKPU202205001）。 |
| Author Name | Affiliation | Postcode | | LIAO Liqiong* | Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500 | 650500 | | CHEN Xin | Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500 | 650500 | | LI Kai* | Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500
The Degradable Plastics Engineering Research Center of Yunnan Provincial Education Department, Kunming, Yunnan Province, 650000 | 650000 |
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| Abstract:In this study， ellagic acid (EA) and FeCl3·6H2O were used as raw materials to construct EA/Fe3+ oligomers through coordination interactions. These oligomers were combined with nano-conjuated carbon materials (graphene， carbon nanotubes) via π-π stacking interactions to prepare aqueous-phase stable functional nanocarbon material dispersions. By adjusting the pH and EA mass fraction， the particle size distribution， Zeta potential， and microstructure of the dispersions were systematically investigated， and the dispersions were applied to chitosan hydrogel coatings and lithium battery anode materials. The results showed that the EA/Fe3+ oligomers significantly improved the dispersibility of nano-conjuated carbon materials through coordination interactions and steric hindrance effects. The coatings exhibited excellent electrical conductivity (1.57×10-1 S/m) and piezoresistive response characteristics. When EA/Fe3+/carbon nanotubes were used as lithium battery anodes， the specific capacitance could reach 26.75 F/g. |
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