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  4. Splitting algorithm for numerical simulation of Li-ion battery electrochemical processes
 
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2017
Conference Paper
Title

Splitting algorithm for numerical simulation of Li-ion battery electrochemical processes

Abstract
In this paper we present a splitting algorithm for a numerical simulation of Li-ion battery electrochemical processes. Liion battery consists of three domains: anode, cathode and electrolyte. Mathematical model of electrochemical processes is described on a microscopic scale, and contains nonlinear equations for concentration and potential in each domain. On the interface of electrodes and electrolyte there are the Lithium ions intercalation and deintercalation processes, which are described by Butler-Volmer nonlinear equation. To approximate in spatial coordinates we use finite element methods with discontinues Galerkin elements. To simplify numerical simulations we develop the splitting algorithm, which split the original problem into three independent subproblems. We investigate the numerical convergence of the algorithm on 2D model problem.
Author(s)
Iliev, O.
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Nikiforova, M.A.
Semenov, Y.V.
Zakharov, P.E.
Mainwork
8th International Conference on Mathematical Modeling, ICMM 2017. Proceedings  
Conference
International Conference on Mathematical Modeling (ICMM) 2017  
DOI
10.1063/1.5012641
Language
English
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
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