Observer design for the Doyle-Fuller-Newman Li-ion battery model without electrolyte dynamics

被引：7

作者：

Drummond, R. ^{[1
]}

Duncan, S. R. ^{[1
]}

机构：

[1] Univ Oxford, Dept Engn Sci, 17 Parks Rd, Oxford OX1 3PJ, England

来源：

JOURNAL OF ENERGY STORAGE | 2019年 / 23卷

基金：

英国工程与自然科学研究理事会;

关键词：

State-of-charge estimation; Li-ion batteries; Electrochemical models; Observer design; THERMAL-ELECTROCHEMICAL MODEL; DOUBLE-LAYER CAPACITANCE; STATE ESTIMATION; CHARGE; PERFORMANCE; SYSTEMS;

D O I：

10.1016/j.est.2019.02.012

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

An observer is designed for the Doyle-Fuller-Newman electrochemical model of a Li-ion battery under the assumption of constant ion exchange current density and MacInnes' equation being concentration independent. For this nonlinear system, the observer is shown to experience both exponential convergence and a degree of robustness. This result extends the class of electrochemical model for battery observer design, generating improved estimates for the state-of-charge and for the spatial variation of the overpotential across an electrode.

引用

页码：250 / 257

页数：8

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