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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）。
Author NameAffiliationPostcode
WANG Yanting College of Light Industry and Food Engineering， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 210037
LI Penghui College of Light Industry and Food Engineering， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 		210037
FANG Manyu College of Materials Science and Engineering，Nanjing Forestry University，Nanjing， Jiangsu Province， 210037 210037
WU Wenjuan* College of Light Industry and Food Engineering， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 		210037
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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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