生物质多孔炭吸附双染料分子增强电化学性能

兰州理工大学学报 ›› 2025, Vol. 51 ›› Issue (2): 65-70.

生物质多孔炭吸附双染料分子增强电化学性能

马记, 徐惠^*, 包源海, 左莎莎, 康凯月

兰州理工大学石油化工学院, 甘肃兰州 730050

收稿日期:2023-09-11 出版日期:2025-04-28 发布日期:2025-04-29
通讯作者: 徐惠(1966-),女,甘肃兰州人,教授.Email:xuhui@lut.edu.cn
基金资助:
国家自然科学基金(52163025,51503092)

Biomass porous carbon adsorbs double dye molecules to enhance electrochemical performance

MA Ji, XU Hui, BAO Yuan-hai, ZUO Sha-sha, KANG Kai-yue

School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, China

Received:2023-09-11 Online:2025-04-28 Published:2025-04-29

摘要/Abstract

摘要： 利用银杏叶衍生多孔炭(KGL)同时吸附偶氮类胭脂红(AR)和蒽醌类茜素红(ARS),活性染料分子与多孔炭材料结合发挥出良好的氧化还原活性,与吸附单一染料相比,吸附双染料分子的炭材料具有更多的氧化还原活性位点,两种染料分子能够同时表现出赝电容特性,在1 A·g^－1电流密度下,优化后的复合电极材料(KGL/AR-ARS-5)的比电容为811.3 F·g^－1.以KGL为负极,KGL/AR-ARS-5为正极组装的非对称电容器在功率密度为700 W·kg^－1时,能量密度可以达到15.4 Wh·kg^－1.

关键词: 生物质多孔炭, 茜素红, 胭脂红, 电吸附, 比电容

Abstract: Ginkgo leaf-derived porous carbon (KGL) was used to simultaneously adsorb azo dye carmine (AR) and anthraquinone dye alizarin red S (ARS). The combination of active dye molecules and porous carbon materials exerted good redox activity. Compared with the adsorption of a single dye, the carbon material adsorbed with double dye molecules has more redox active sites, with both dye molecules simultaneously exhibiting pseudocapacitance characteristics. At a current density of 1 A·g^－1, the optimized composite electrode material (KGL/AR-ARS-5) exhibits a specific capacitance of 811.3 F·g^－1. The energy density of asymmetric capacitor assembled with KGL as negative electrode and KGL/AR-ARS-5 as positive electrode can reach 15.4 Wh·kg^－1 at power density of 700 W·kg^－1.

Key words: biomass porous carbon, alizarin red S, carmine, electrosorption, specific capacitance

中图分类号:

马记, 徐惠, 包源海, 左莎莎, 康凯月. 生物质多孔炭吸附双染料分子增强电化学性能[J]. 兰州理工大学学报, 2025, 51(2): 65-70.

MA Ji, XU Hui, BAO Yuan-hai, ZUO Sha-sha, KANG Kai-yue. Biomass porous carbon adsorbs double dye molecules to enhance electrochemical performance[J]. Journal of Lanzhou University of Technology, 2025, 51(2): 65-70.

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链接本文: https://journal.lut.edu.cn/CN/

https://journal.lut.edu.cn/CN/Y2025/V51/I2/65

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