Experimental Design for High Value Utilization of Polymer Waste:Preparation and electrochemical performance of lignin-based porous carbon
Professional comprehensive experiments are the key teaching segment to strengthen the practical and innovative abilities of undergraduates majoring in applied chemistry. Based on the concept of high-value utilization of polymer waste,with the teaching goal of improving students′ self-learning ability and engineering practice ability,the research results are organically integrated into the professional comprehensive experimental teaching process,and an exploratory experiment called "Preparation and Electrochemical Performance of Lignin Porous Carbon" is designed. Using industrial sulfate lignin as raw material,porous carbon materials were prepared by carbonization activation method,and then prepared into elec-trode materials for supercapacitors. Their application performance was tested using an electrochemical workstation. This ex-periment enhances students′ understanding of polymer waste conversion processes and supercapacitor energy storage mechanisms,enabling them to independently complete experimental step design,characterization,and application test-ing,effectively expanding the breadth and depth of experimental teaching.
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