摘要
以循环伏安法为例,介绍了如何通过COMSOL Multiphysics有限元软件建立电化学反应模型及其数值求解。通过改变电极尺寸、电子转移速率常数、均相化学反应速率常数等参数,实现了循环伏安图与扩散层内反应物浓度分布的关联和动态演示,帮助初学者形象深刻地理解循环伏安法的基本原理。
Taking cyclic voltammetry for example, here in this paper, we introduced how to establish electrochemical reaction model and perform numerical simulation through COMSOL Multiphysics. Changing the electrode size, electron transfer kinetics and homogeneous reaction kinetics, we realized the visually dynamic display of the correlations between cyclic voltammogram and concentration distribution of reactant in diffusion layer. These correlations and dynamic display can help beginners to understand the electrochemical fundamentals involved in cyclic voltammetry.
作者
张杰
陈煅
郭佳瑶
詹东平
ZHANG Jie;CHEN Duan;GUO Jia-Yao;ZHAN Dong-Ping(Chemistry and Chemical Engineering Innovation and Entrepreneurship Education Center of Hunan Province,School of Chemistry and Chemical Engineering,Hunan University of Science and Technology,Xiangtan 411201,China;College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,China)
出处
《化学教育（中英文）》
CAS
北大核心
2019年第20期75-79,共5页
Chinese Journal of Chemical Education
基金
国家自然科学基金项目(51605404)
湖南省自然科学基金项目(2018JJ3142)
湖南省大学生研究性学习和创新性实验计划项目(201710534030)
湖南省普通高等学校教学改革研究项目(物理化学课程教学模式的探索研究与实践)
