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Preparation of Acid-doped PANI Electrode Materials and Its Electrochemical Properties |
Received:August 18, 2023 |
DOI:10.11980/j.issn.0254-508X.2024.03.004 |
Key Words:PANI electrode materials supercapacitors electrochemical properties |
Fund Project:国家自然科学基金项目(32271797);南京林业大学大学生创新训练计划项目(2023NFUSPITP0569)。 |
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Abstract:In this study, aniline was used as the monomer, ammonium persulfate as the oxidizing agent, phytic acid as the dopant acid, and lignosulfonate were chemically polymerized to synthesize lignosulfonate/polyaniline (LS/PANI) electrode materials with the good electron-conducting ability and excellent capacitance. The LS/PANI electrode materials were analytically characterized by using Field Emission Scanning Electron Microscope (FESEM), Fourier-transform Infrared Spectrometry (FT-IR), and Brunauer-emmett-teller (BET). The electrochemical properties of LS/PANI electrode materials were tested by cyclic voltammetry,alternating current impedance, etc. The results showed that LS/PANI electrode materials as the electrode material had good capacitance performance and good cycling stability. Their specific capacitance could reach 509.3 F/g at a current density of charge/discharge of 0.5 A/g, and the capacitance could be retained by 63.23% after cycling for 5 000 times at a charge/discharge current density of 10 A/g. |
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