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Batteries 2018, 4(1), 11; https://doi.org/10.3390/batteries4010011

Li-NMC Batteries Model Evaluation with Experimental Data for Electric Vehicle Application

1
Institute of Electrical Power Engineering, Lodz University of Technology, Bohdana Stefanowskiego 18/22, 90-924 Lodz, Poland
2
Instituto Superior de Engenharia de Lisboa, Polytechnic Institute of Lisbon, R. Conselheiro Emídio Navarro 1, 1959-007 Lisboa, Portugal
3
INESC-ID, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
*
Author to whom correspondence should be addressed.
Received: 30 December 2017 / Revised: 22 January 2018 / Accepted: 1 February 2018 / Published: 13 February 2018
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Abstract

The aim of the paper is to present the battery equivalent circuit for electric vehicle application. Moreover, the model described below is dedicated to lithium-ion types of batteries. The purpose of this paper is to introduce an efficient and transparent method to develop a battery equivalent circuit model. Battery modeling requires, depending on the chosen method, either significant calculations or a highly developed mathematical model for optimization. The model is evaluated in comparison to the real data measurements, to present the performance of the method. Battery measurements based on charge/discharge tests at a fixed C-rate are presented to show the relation of the output voltage profiles with the battery state of charge. The pulse discharge test is presented to obtain the electric parameters of the battery equivalent circuit model, using a Thévenin circuit. According to the Reverse Trike Ecologic Electric Vehicle (VEECO RT) characteristics used as a case study in this work, new values for vehicle autonomy and battery pack volume based on lithium nickel manganese cobalt oxide cells are evaluated. View Full-Text
Keywords: battery equivalent circuit model; battery parameters estimation; lithium-ion battery; electric vehicle battery equivalent circuit model; battery parameters estimation; lithium-ion battery; electric vehicle
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Baczyńska, A.; Niewiadomski, W.; Gonçalves, A.; Almeida, P.; Luís, R. Li-NMC Batteries Model Evaluation with Experimental Data for Electric Vehicle Application. Batteries 2018, 4, 11.

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