Abstract: Low-cost and efficient heteroatom-doped porous carbon materials play an important role in the development of high-performance supercapacitors. Phenolic resin based foam insulation board containing nitrogen and oxygen elements, is ‘Zero’ cost raw materials for preparing efficient porous carbon. In this work, porous carbon for electrode material of supercapacitor was prepared from waste phenolic resin insulation board by chemical activation method. The results show that the optimum conditions of electrochemical performance are as follows: KOH activator, alkali-carbon mass ratio 2∶1, activation temperature 600 ℃, activation time 2 h. The structures of porous carbon with high specific surface area of 960 m2/g are mainly micropores and mesopores under such circumstance. XRD and Raman analyses show that the graphitization degree of porous carbon is low, and its structure is mainly amorphous. What's more, through XPS and FTIR nitrogen and oxygen elements are detected in porous carbon. In the three-electrode 3 mol/L KOH aqueous solution test system, with the voltage window was -1—0 V and the current density was 0.5 A /g, the mass ratio capacitance of porous carbon can be as high as 315 F/g .Meanwhile,the capacitance retention and coulomb efficiency of the symmetric supercapacitor are still close to 100% after 20 000 cycles at the current density of 4 A/g. At the high current density of 15 A/g, the energy density of 27.1 Wh·kg-1 and the power density of 7 100 W·kg-1 were measured by the symmetric two-electrode system. Compared with other simple carbon materials, the porous carbon of waste phenolic resin insulation board shows better electrochemical performance.
作者简介: 苏英杰,2019年6月毕业于辽宁科技大学,获得工学学士学位,现为辽宁科技大学化学工程学院在读硕士研究生,师从高丽娟教授,主要从事于EDLC电极炭材料的制备研究。 赵雪飞,辽宁科技大学化学工程学院,教授,博士研究生导师。1982年1月毕业于鞍山钢铁学院,获得学士学位;1995年毕业于东北大学,获得工学硕士学位;2010年毕业于大连理工大学,获得工学博士学位。辽宁省金属学会焦化委员会理事,中国煤炭学会煤化工委员会委员,燃料与化工杂志编委会委员。主持完成国家自然基金(U1361126)、教育部博士点基金、辽宁省自然基金等纵向项目11项;主持横向科研项目20余项。在煤沥青基新型炭材料的产品开发及工程化领域开展了大量的研究工作,且在煤系针状焦制备的基础研究和工程化及连续化制备煤系中间相碳微球技术方面有较深的造诣。发表论文100余篇,包括Journal of Power Sources,Carbon Letters,Fuel,Energy & Fuels,《光谱学与光谱分析》等。
引用本文:
苏英杰, 高丽娟, 卢振杰, 杨广, 程俊霞, 赵雪飞. 废弃酚醛树脂保温材料基电极材料多孔炭的制备及构效关系[J]. 材料导报, 2022, 36(12): 21030309-7.
SU Yingjie, GAO Lijuan, LU Zhenjie, YANG Guang, CHENG Junxia, ZHAO Xuefei. The Preparation and Structure-Activity Relationship of the Electrode Material Porous Carbon Based on Waste Phenolic Resin Thermal Insulation Material. Materials Reports, 2022, 36(12): 21030309-7.
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2022, Vol. 36 
