气-液界面法制备二氧化锰/聚苯胺复合材料教学实验  

Teaching Experiment of the Preparation of Manganese Dioxide/Polyaniline via Gas-Liquid Interfacial Reaction

作　　者：黄华波[1] 白慧 张旗[1] 曾小平[1] 刘玉兰[1] 游峰[1] HUANG Huabo;BAI Hui;ZHANG Qi;ZENG Xiaoping;LIU Yulan;YOU Feng(School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205,China)

机构地区：[1]武汉工程大学材料科学与工程学院,武汉430205

出　　处：《实验室研究与探索》2023年第12期31-34,41,共5页Research and Exploration In Laboratory

基　　金：武汉工程大学教学研究项目(X2021023,X2021022);湖北省自然科学基金项目(2021CFB507)。

摘　　要：为了提高实验教学质量,培养学生的创新能力,设计了气-液界面法制备二氧化锰/聚苯胺复合材料教学实验。基于红外光谱和X射线衍射等方法分析了复合材料中聚苯胺和二氧化锰的化学组成与结构,利用扫描电子显微镜观察了复合材料的纳米多孔结构,最后通过电池充放电测试验证了复合材料优异的质量比容量(>300 mAh/g)。教学实践表明,在培养学生的操作技能、安全意识、团队合作、数据处理和总结思考等方面取得了较好的教学效果。In order to improve the experimental teaching quality and cultivate the creativity of students,an experiment is designed to preparation the polyaniline/manganese dioxide composites based on gas-liquid interfacial method.The chemical composition and structure of polyaniline and manganese dioxide in the composite material are confirmed using methods such as infrared spectroscopy and X-ray diffraction.The porous nanostructure of the composites is observed through scanning electron microscopy.Finally,the excellent energy storage specific capacity of the composite material(>300 mAh/g)is verified by the battery charge-discharge measurement.Teaching practice shows that this experiment achieves good results in cultivating students’practical skills,safety awareness,teamwork,data processing,and analytical thinking.

关 键 词：实验教学 复合材料 聚苯胺 二氧化锰 气-液界面法 

分 类 号：G642.23[文化科学—高等教育学]