水系非对称电极超级电容器的建模研究.pdfVIP

20 13 年 电 工 技 术 学 报 Vol.2 8 Sup.1 第28 卷增刊 1 TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY 2013 水系非对称电极超级电容器的建模研究 胡景泰 梁海泉 钱存元 阙龙凯 （同济大学 上海 201804 ） 摘要 为能更准确地描述水系非对称电极超级电容器在工作过程中的电气外特性，通过借鉴 有机系双电层电容器二分支网络建模的方法，在深入分析水系非对称电极超级电容器储能原理与 外特性的基础上，提出一种适用于该类型超级电容器的模型及其参数辨识方法。本文采用“电路 分析法”对二分支网络模型中的参数进行辨识，在 MATLAB/Simulink 环境下利用实验数据对经 典等效电路模型和二分支网络模型进行仿真比较。结果表明，二分支网络模型具有更高的精度， 可以更精确地反应水系非对称电极超级电容器的动态特性。 关键词：超级电容器 二分支网络模型 电路分析法 参数辨识 动态特性 中图分类号：TM53 The Research on Modeling of Supercapacitor with Aqueous Electrolyte and Asymmetrical Alectrode Hu Jingtai Liang Haiquan Qian Cunyuan Que Longkai （Tongji University Shanghai 201804 China ） Abstract To describe the accurate electrical characteristic in the working process of supercapacitor with aqueous electrolyte and asymmetrical electrode, a new model and parameter identification method that can adopted to supercapacitor with aqueous electrolyte and asymmetrical electrode was presented on the basis of analyzing the principle of storage and characteristics of this kind of supercapacitor by taking example of two -branch network model which was used in double layer capacitor.In this paper, circuit anylasis method is adopted to identify the parameter in two -branch network model. Then the classic equivalent circuit model and two stage network model were simulated and verified with the experimental data. The result prove that the two -branch network model has highly precision and can accurately describe the dynamic characteristics of supercapacitor with aqueous electrolyte and a