广西师范大学学报（自然科学版） ›› 2025, Vol. 43 ›› Issue (4): 147-156.doi: 10.16088/j.issn.1001-6600.2024041702

• 生态环境科学研究 • 上一篇    下一篇

超级电容器用酚醛树脂/竹基复合活性炭的制备及表征

文秀婵1, 张博1, 王玺1, 桂柳成2, 黄思玉1,3*, 何旻雁1,3*   

  1. 1.广西师范大学 环境与资源学院, 广西 桂林 541006;
    2.广西师范大学 化学与药学学院, 广西 桂林 541004;
    3.珍稀濒危动植物生态与环境保护教育部重点实验室(广西师范大学), 广西 桂林 541006
  • 收稿日期:2024-04-17 修回日期:2024-05-20 出版日期:2025-07-05 发布日期:2025-07-14
  • 通讯作者: 黄思玉(1966—),男,广西桂林人,广西师范大学高级工程师。E-mail: huangsy@gxnu.edu.cn
    何旻雁(1990—),女,广西桂林人,广西师范大学工程师。E-mail: 15296585005@163.com
  • 基金资助:
    国家自然科学基金(22165003)

Preparation and Characterization of Phenolic Resin/Bamboo Based Composite Activated Carbon for Supercapacitors

WEN Xiuchan1, ZHANG Bo1, WANG Xi1, GUI Liucheng2, HUANG Siyu1,3*, HE Mingyan1,3*   

  1. 1. School of Environment and Resources, Guangxi Normal University, Guilin Guangxi 541006, China;
    2. School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin Guangxi 541006, China;
    3. Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin Guangxi 541006, China
  • Received:2024-04-17 Revised:2024-05-20 Online:2025-07-05 Published:2025-07-14

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摘要： 为探究酚醛树脂添加量对活性炭微观结构及电化学性能的影响,寻找相对经济的制备超级电容器用活性炭的方法,本文以毛竹废弃物为原材料,酚醛树脂为改性剂,通过KOH活化制备酚醛树脂/竹基复合活性炭,并对其进行表征。结果表明:复合活性炭微观结构受酚醛树脂添加量影响,树脂添加量为15%~35%的复合活性炭比表面积及总孔容均增大,平均孔径减小,为电荷的存储提供更多吸附位点。其中,树脂添加量为35%的复合活性炭相较于纯竹基活性炭比表面积及总孔容分别提高28.5%及29.2%,平均孔径减小为1.78 nm,在电流密度为0.5 A·g-1时比电容为263.85 F·g-1,相较纯竹基活性炭提高53.3%,说明加入酚醛树脂后所制备的活性炭电化学性能得到明显改善。

关键词: 复合活性炭, 酚醛树脂, 竹基, 可调控, 微观结构, 超级电容器, 电化学性能

Abstract: To investigate the effect of phenolic resin addition on the microstructure and electrochemical properties of carbon materials, and to obtain a relatively economical method of preparing carbon materials for supercapacitors, phenolic resin/bamboo based composite activated carbon was prepared by KOH activation using bamboo waste as raw material and phenolic resin as modifier. The results showed that the microstructure of the composite activated carbon was affected by the addition of phenolic resin. The specific surface area and total pore volume of the composite activated carbon with the resin addition of 15%~35% increased. The average pore diameter decreased, providing more adsorption sites for storage charge. The specific surface area and total pore volume of the composite activated carbon were increased by 28.5% and 29.2%, respectively, and the average pore size was reduced to 1.78 nm compared with that of the bamboo-based activated carbon when 35% of phenolic resin was added; the specific capacitance at a current density of 0.5 A·g-1 reached 263.85 F·g-1, which was 53.3% higher than bamboo activated carbon. The results indicated that the electrochemical properties of activated carbon prepared by adding phenolic resin were obviously improved.

Key words: composite activated carbon, phenolic resin, bamboo-based, adjustable, microstructure, supercapacitor, electrochemical performance

中图分类号:  TQ424.19;TM533

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