BCN电催化还原O_(2)制H_(2)O_(2)实验教学设计与实践  

Experiment Design and Teaching Practice of BCN as Electrocatalyst for Oxygen Reduction to Hydrogen Peroxide

作　　者：包永春[1,2] 王寅[3] 段莉梅[1,2] BAO Yongchun;WANG Yin;DUAN Limei(College of Chemistry and Materials ScienceInner Mongolia Minzu University,Tongliao 028000,Inner Mongolia,China;National Demonstration Center for Experimental Chemistry EducationInner Mongolia Minzu University,Tongliao 028000,Inner Mongolia,China;Nano Innovation Institute,Inner Mongolia Minzu University,Tongliao 028000,Inner Mongolia,China)

机构地区：[1]内蒙古民族大学化学与材料学院,内蒙古通辽028000 [2]内蒙古民族大学化学国家级实验教学示范中心,内蒙古通辽028000 [3]内蒙古民族大学纳米创新研究院,内蒙古通辽028000

出　　处：《实验室研究与探索》2022年第9期157-161,212,共6页Research and Exploration In Laboratory

基　　金：国家自然科学基金项目(21961025,22161036);内蒙古自然科学基金项目(2019BS02007)。

摘　　要：设计新型实用的电催化还原O_(2)制H_(2)O_(2)实验代替传统的电催化分解水实验,符合绿色化学理念和本科实验教学的发展需求。实验制备了具有2eORR活性的新型硼碳氮(BCN)催化材料,同时设计了电极制备、电催化氧还原制H_(2)O_(2)、还原产物定性及定量分析等实验内容。让学生了解无机材料的制备和表征技术、掌握H型电解池装置和电化学工作站的使用,学会利用紫外-可见分光光度法计算H_(2)O_(2)浓度等相关知识。由最新科研成果转化而成的综合性教学实验,有助于激发学生对实验和科研的兴趣,有利于培养学生的团队合作意识与探究精神,为提升本科生化学实验教学质量提供可行方案。The experiment of electrocatalytic O_(2) reduction to H_(2)O_(2) should be extended to instead of the old-fashioned water electrolysis experiment,which is benefit to promote the concept of green chemistry and improve the quality of experiment teaching.In this experiment,we prepare a novel BCN electrocatalyst as electrocatalyst for 2eORR.Then,a series experiments of electrode preparation,electrocatalytic O_(2) reduction reaction,qualitative and quantitative analysis of production are performed,which can help students to learn the knowledge and technologies of inorganic materials preparation and characterization,master the use of H-type electrochemical cell device and electrochemical workstation,calculate the concentration of H_(2)O_(2) by UV-vis spectrophotometry.This experiment is a comprehensive teaching experiment transformed from our latest scientific research achievements,which is helpful to stimulate the students’interest in experiment and scientific research,cultivate students’sense of teamwork and exploration spirit,and provide an alternative for improving the quality of undergraduate chemical experiment.

关 键 词：BCN材料制备 电催化 氧还原 过氧化氢制备 

分 类 号：TQ426.4[化学工程] G642.423[文化科学—高等教育学]